src/com/android/browser/BrowserActivity.java

   1 /*
   2  * Copyright (C) 2006 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package com.android.browser;
  18
  19 import com.google.android.googleapps.IGoogleLoginService;
  20 import com.google.android.googlelogin.GoogleLoginServiceConstants;
  21
  22 import android.app.Activity;
  23 import android.app.AlertDialog;
  24 import android.app.ProgressDialog;
  25 import android.app.SearchManager;
  26 import android.content.ActivityNotFoundException;
  27 import android.content.BroadcastReceiver;
  28 import android.content.ComponentName;
  29 import android.content.ContentResolver;
  30 import android.content.ContentUris;
  31 import android.content.ContentValues;
  32 import android.content.Context;
  33 import android.content.DialogInterface;
  34 import android.content.Intent;
  35 import android.content.IntentFilter;
  36 import android.content.ServiceConnection;
  37 import android.content.DialogInterface.OnCancelListener;
  38 import android.content.pm.PackageInfo;
  39 import android.content.pm.PackageManager;
  40 import android.content.pm.ResolveInfo;
  41 import android.content.res.AssetManager;
  42 import android.content.res.Configuration;
  43 import android.content.res.Resources;
  44 import android.database.Cursor;
  45 import android.database.sqlite.SQLiteDatabase;
  46 import android.database.sqlite.SQLiteException;
  47 import android.graphics.Bitmap;
  48 import android.graphics.Canvas;
  49 import android.graphics.DrawFilter;
  50 import android.graphics.Paint;
  51 import android.graphics.PaintFlagsDrawFilter;
  52 import android.graphics.Picture;
  53 import android.graphics.PixelFormat;
  54 import android.graphics.Rect;
  55 import android.graphics.drawable.Drawable;
  56 import android.hardware.SensorListener;
  57 import android.hardware.SensorManager;
  58 import android.net.ConnectivityManager;
  59 import android.net.NetworkInfo;
  60 import android.net.Uri;
  61 import android.net.WebAddress;
  62 import android.net.http.EventHandler;
  63 import android.net.http.SslCertificate;
  64 import android.net.http.SslError;
  65 import android.os.AsyncTask;
  66 import android.os.Bundle;
  67 import android.os.Debug;
  68 import android.os.Environment;
  69 import android.os.Handler;
  70 import android.os.IBinder;
  71 import android.os.Message;
  72 import android.os.PowerManager;
  73 import android.os.Process;
  74 import android.os.RemoteException;
  75 import android.os.ServiceManager;
  76 import android.os.SystemClock;
  77 import android.provider.Browser;
  78 import android.provider.Contacts;
  79 import android.provider.Downloads;
  80 import android.provider.MediaStore;
  81 import android.provider.Contacts.Intents.Insert;
  82 import android.text.IClipboard;
  83 import android.text.TextUtils;
  84 import android.text.format.DateFormat;
  85 import android.text.util.Regex;
  86 import android.util.Log;
  87 import android.view.ContextMenu;
  88 import android.view.Gravity;
  89 import android.view.KeyEvent;
  90 import android.view.LayoutInflater;
  91 import android.view.Menu;
  92 import android.view.MenuInflater;
  93 import android.view.MenuItem;
  94 import android.view.View;
  95 import android.view.ViewGroup;
  96 import android.view.Window;
  97 import android.view.WindowManager;
  98 import android.view.ContextMenu.ContextMenuInfo;
  99 import android.view.MenuItem.OnMenuItemClickListener;
 100 import android.view.animation.AlphaAnimation;
 101 import android.view.animation.Animation;
 102 import android.view.animation.AnimationSet;
 103 import android.view.animation.DecelerateInterpolator;
 104 import android.view.animation.ScaleAnimation;
 105 import android.view.animation.TranslateAnimation;
 106 import android.webkit.CookieManager;
 107 import android.webkit.CookieSyncManager;
 108 import android.webkit.DownloadListener;
 109 import android.webkit.GeolocationPermissions;
 110 import android.webkit.HttpAuthHandler;
 111 import android.webkit.PluginManager;
 112 import android.webkit.SslErrorHandler;
 113 import android.webkit.URLUtil;
 114 import android.webkit.WebChromeClient;
 115 import android.webkit.WebChromeClient.CustomViewCallback;
 116 import android.webkit.WebHistoryItem;
 117 import android.webkit.WebIconDatabase;
 118 import android.webkit.WebStorage;
 119 import android.webkit.WebView;
 120 import android.webkit.WebViewClient;
 121 import android.widget.EditText;
 122 import android.widget.FrameLayout;
 123 import android.widget.LinearLayout;
 124 import android.widget.TextView;
 125 import android.widget.Toast;
 126
 127 import java.io.BufferedOutputStream;
 128 import java.io.ByteArrayOutputStream;
 129 import java.io.File;
 130 import java.io.FileInputStream;
 131 import java.io.FileOutputStream;
 132 import java.io.IOException;
 133 import java.io.InputStream;
 134 import java.net.MalformedURLException;
 135 import java.net.URI;
 136 import java.net.URISyntaxException;
 137 import java.net.URL;
 138 import java.net.URLEncoder;
 139 import java.text.ParseException;
 140 import java.util.Date;
 141 import java.util.Enumeration;
 142 import java.util.HashMap;
 143 import java.util.LinkedList;
 144 import java.util.Vector;
 145 import java.util.regex.Matcher;
 146 import java.util.regex.Pattern;
 147 import java.util.zip.ZipEntry;
 148 import java.util.zip.ZipFile;
 149
 150 public class BrowserActivity extends Activity
 151     implements KeyTracker.OnKeyTracker,
 152         View.OnCreateContextMenuListener,
 153         DownloadListener {
 154
 155     /* Define some aliases to make these debugging flags easier to refer to.
 156      * This file imports android.provider.Browser, so we can't just refer to "Browser.DEBUG".
 157      */
 158     private final static boolean DEBUG = com.android.browser.Browser.DEBUG;
 159     private final static boolean LOGV_ENABLED = com.android.browser.Browser.LOGV_ENABLED;
 160     private final static boolean LOGD_ENABLED = com.android.browser.Browser.LOGD_ENABLED;
 161
 162     private IGoogleLoginService mGls = null;
 163     private ServiceConnection mGlsConnection = null;
 164
 165     private SensorManager mSensorManager = null;
 166
 167     // These are single-character shortcuts for searching popular sources.
 168     private static final int SHORTCUT_INVALID = 0;
 169     private static final int SHORTCUT_GOOGLE_SEARCH = 1;
 170     private static final int SHORTCUT_WIKIPEDIA_SEARCH = 2;
 171     private static final int SHORTCUT_DICTIONARY_SEARCH = 3;
 172     private static final int SHORTCUT_GOOGLE_MOBILE_LOCAL_SEARCH = 4;
 173
 174     /* Whitelisted webpages
 175     private static HashSet<String> sWhiteList;
 176
 177     static {
 178         sWhiteList = new HashSet<String>();
 179         sWhiteList.add("cnn.com/");
 180         sWhiteList.add("espn.go.com/");
 181         sWhiteList.add("nytimes.com/");
 182         sWhiteList.add("engadget.com/");
 183         sWhiteList.add("yahoo.com/");
 184         sWhiteList.add("msn.com/");
 185         sWhiteList.add("amazon.com/");
 186         sWhiteList.add("consumerist.com/");
 187         sWhiteList.add("google.com/m/news");
 188     }
 189     */
 190
 191     private void setupHomePage() {
 192         final Runnable getAccount = new Runnable() {
 193             public void run() {
 194                 // Lower priority
 195                 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
 196                 // get the default home page
 197                 String homepage = mSettings.getHomePage();
 198
 199                 try {
 200                     if (mGls == null) return;
 201
 202                     if (!homepage.startsWith("http://www.google.")) return;
 203                     if (homepage.indexOf('?') == -1) return;
 204
 205                     String hostedUser = mGls.getAccount(GoogleLoginServiceConstants.PREFER_HOSTED);
 206                     String googleUser = mGls.getAccount(GoogleLoginServiceConstants.REQUIRE_GOOGLE);
 207
 208                     // three cases:
 209                     //
 210                     //   hostedUser == googleUser
 211                     //      The device has only a google account
 212                     //
 213                     //   hostedUser != googleUser
 214                     //      The device has a hosted account and a google account
 215                     //
 216                     //   hostedUser != null, googleUser == null
 217                     //      The device has only a hosted account (so far)
 218
 219                     // developers might have no accounts at all
 220                     if (hostedUser == null) return;
 221
 222                     if (googleUser == null || !hostedUser.equals(googleUser)) {
 223                         String domain = hostedUser.substring(hostedUser.lastIndexOf('@')+1);
 224                         homepage = homepage.replace("?", "/a/" + domain + "?");
 225                     }
 226                 } catch (RemoteException ignore) {
 227                     // Login service died; carry on
 228                 } catch (RuntimeException ignore) {
 229                     // Login service died; carry on
 230                 } finally {
 231                     finish(homepage);
 232                 }
 233             }
 234
 235             private void finish(final String homepage) {
 236                 mHandler.post(new Runnable() {
 237                     public void run() {
 238                         mSettings.setHomePage(BrowserActivity.this, homepage);
 239                         resumeAfterCredentials();
 240
 241                         // as this is running in a separate thread,
 242                         // BrowserActivity's onDestroy() may have been called,
 243                         // which also calls unbindService().
 244                         if (mGlsConnection != null) {
 245                             // we no longer need to keep GLS open
 246                             unbindService(mGlsConnection);
 247                             mGlsConnection = null;
 248                         }
 249                     } });
 250             } };
 251
 252         final boolean[] done = { false };
 253
 254         // Open a connection to the Google Login Service.  The first
 255         // time the connection is established, set up the homepage depending on
 256         // the account in a background thread.
 257         mGlsConnection = new ServiceConnection() {
 258             public void onServiceConnected(ComponentName className, IBinder service) {
 259                 mGls = IGoogleLoginService.Stub.asInterface(service);
 260                 if (done[0] == false) {
 261                     done[0] = true;
 262                     Thread account = new Thread(getAccount);
 263                     account.setName("GLSAccount");
 264                     account.start();
 265                 }
 266             }
 267             public void onServiceDisconnected(ComponentName className) {
 268                 mGls = null;
 269             }
 270         };
 271
 272         bindService(GoogleLoginServiceConstants.SERVICE_INTENT,
 273                     mGlsConnection, Context.BIND_AUTO_CREATE);
 274     }
 275
 276     private static class ClearThumbnails extends AsyncTask<File, Void, Void> {
 277         @Override
 278         public Void doInBackground(File... files) {
 279             if (files != null) {
 280                 for (File f : files) {
 281                     if (!f.delete()) {
 282                       Log.e(LOGTAG, f.getPath() + " was not deleted");
 283                     }
 284                 }
 285             }
 286             return null;
 287         }
 288     }
 289
 290     /**
 291      * This layout holds everything you see below the status bar, including the
 292      * error console, the custom view container, and the webviews.
 293      */
 294     private FrameLayout mBrowserFrameLayout;
 295
 296     @Override public void onCreate(Bundle icicle) {
 297         if (LOGV_ENABLED) {
 298             Log.v(LOGTAG, this + " onStart");
 299         }
 300         super.onCreate(icicle);
 301         // test the browser in OpenGL
 302         // requestWindowFeature(Window.FEATURE_OPENGL);
 303
 304         setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);
 305
 306         mResolver = getContentResolver();
 307
 308         //
 309         // start MASF proxy service
 310         //
 311         //Intent proxyServiceIntent = new Intent();
 312         //proxyServiceIntent.setComponent
 313         //    (new ComponentName(
 314         //        "com.android.masfproxyservice",
 315         //        "com.android.masfproxyservice.MasfProxyService"));
 316         //startService(proxyServiceIntent, null);
 317
 318         mSecLockIcon = Resources.getSystem().getDrawable(
 319                 android.R.drawable.ic_secure);
 320         mMixLockIcon = Resources.getSystem().getDrawable(
 321                 android.R.drawable.ic_partial_secure);
 322
 323         FrameLayout frameLayout = (FrameLayout) getWindow().getDecorView()
 324                 .findViewById(com.android.internal.R.id.content);
 325         mBrowserFrameLayout = (FrameLayout) LayoutInflater.from(this)
 326                 .inflate(R.layout.custom_screen, null);
 327         mContentView = (FrameLayout) mBrowserFrameLayout.findViewById(
 328                 R.id.main_content);
 329         mErrorConsoleContainer = (LinearLayout) mBrowserFrameLayout
 330                 .findViewById(R.id.error_console);
 331         mCustomViewContainer = (FrameLayout) mBrowserFrameLayout
 332                 .findViewById(R.id.fullscreen_custom_content);
 333         frameLayout.addView(mBrowserFrameLayout, COVER_SCREEN_PARAMS);
 334         mTitleBar = new TitleBar(this);
 335
 336         // Create the tab control and our initial tab
 337         mTabControl = new TabControl(this);
 338
 339         // Open the icon database and retain all the bookmark urls for favicons
 340         retainIconsOnStartup();
 341
 342         // Keep a settings instance handy.
 343         mSettings = BrowserSettings.getInstance();
 344         mSettings.setTabControl(mTabControl);
 345         mSettings.loadFromDb(this);
 346
 347         PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 348         mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Browser");
 349
 350         /* enables registration for changes in network status from
 351            http stack */
 352         mNetworkStateChangedFilter = new IntentFilter();
 353         mNetworkStateChangedFilter.addAction(
 354                 ConnectivityManager.CONNECTIVITY_ACTION);
 355         mNetworkStateIntentReceiver = new BroadcastReceiver() {
 356                 @Override
 357                 public void onReceive(Context context, Intent intent) {
 358                     if (intent.getAction().equals(
 359                             ConnectivityManager.CONNECTIVITY_ACTION)) {
 360                         NetworkInfo info =
 361                                 (NetworkInfo) intent.getParcelableExtra(
 362                                         ConnectivityManager.EXTRA_NETWORK_INFO);
 363                         onNetworkToggle(
 364                                 (info != null) ? info.isConnected() : false);
 365                     }
 366                 }
 367             };
 368
 369         IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED);
 370         filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
 371         filter.addDataScheme("package");
 372         mPackageInstallationReceiver = new BroadcastReceiver() {
 373             @Override
 374             public void onReceive(Context context, Intent intent) {
 375                 final String action = intent.getAction();
 376                 final String packageName = intent.getData()
 377                         .getSchemeSpecificPart();
 378                 final boolean replacing = intent.getBooleanExtra(
 379                         Intent.EXTRA_REPLACING, false);
 380                 if (Intent.ACTION_PACKAGE_REMOVED.equals(action) && replacing) {
 381                     // if it is replacing, refreshPlugins() when adding
 382                     return;
 383                 }
 384                 PackageManager pm = BrowserActivity.this.getPackageManager();
 385                 PackageInfo pkgInfo = null;
 386                 try {
 387                     pkgInfo = pm.getPackageInfo(packageName,
 388                             PackageManager.GET_PERMISSIONS);
 389                 } catch (PackageManager.NameNotFoundException e) {
 390                     return;
 391                 }
 392                 if (pkgInfo != null) {
 393                     String permissions[] = pkgInfo.requestedPermissions;
 394                     if (permissions == null) {
 395                         return;
 396                     }
 397                     boolean permissionOk = false;
 398                     for (String permit : permissions) {
 399                         if (PluginManager.PLUGIN_PERMISSION.equals(permit)) {
 400                             permissionOk = true;
 401                             break;
 402                         }
 403                     }
 404                     if (permissionOk) {
 405                         PluginManager.getInstance(BrowserActivity.this)
 406                                 .refreshPlugins(
 407                                         Intent.ACTION_PACKAGE_ADDED
 408                                                 .equals(action));
 409                     }
 410                 }
 411             }
 412         };
 413         registerReceiver(mPackageInstallationReceiver, filter);
 414
 415         // If this was a web search request, pass it on to the default web search provider.
 416         if (handleWebSearchIntent(getIntent())) {
 417             moveTaskToBack(true);
 418             return;
 419         }
 420
 421         if (!mTabControl.restoreState(icicle)) {
 422             // clear up the thumbnail directory if we can't restore the state as
 423             // none of the files in the directory are referenced any more.
 424             new ClearThumbnails().execute(
 425                     mTabControl.getThumbnailDir().listFiles());
 426             // there is no quit on Android. But if we can't restore the state,
 427             // we can treat it as a new Browser, remove the old session cookies.
 428             CookieManager.getInstance().removeSessionCookie();
 429             final Intent intent = getIntent();
 430             final Bundle extra = intent.getExtras();
 431             // Create an initial tab.
 432             // If the intent is ACTION_VIEW and data is not null, the Browser is
 433             // invoked to view the content by another application. In this case,
 434             // the tab will be close when exit.
 435             UrlData urlData = getUrlDataFromIntent(intent);
 436
 437             final TabControl.Tab t = mTabControl.createNewTab(
 438                     Intent.ACTION_VIEW.equals(intent.getAction()) &&
 439                     intent.getData() != null,
 440                     intent.getStringExtra(Browser.EXTRA_APPLICATION_ID), urlData.mUrl);
 441             mTabControl.setCurrentTab(t);
 442             attachTabToContentView(t);
 443             WebView webView = t.getWebView();
 444             if (extra != null) {
 445                 int scale = extra.getInt(Browser.INITIAL_ZOOM_LEVEL, 0);
 446                 if (scale > 0 && scale <= 1000) {
 447                     webView.setInitialScale(scale);
 448                 }
 449             }
 450             // If we are not restoring from an icicle, then there is a high
 451             // likely hood this is the first run. So, check to see if the
 452             // homepage needs to be configured and copy any plugins from our
 453             // asset directory to the data partition.
 454             if ((extra == null || !extra.getBoolean("testing"))
 455                     && !mSettings.isLoginInitialized()) {
 456                 setupHomePage();
 457             }
 458
 459             if (urlData.isEmpty()) {
 460                 if (mSettings.isLoginInitialized()) {
 461                     webView.loadUrl(mSettings.getHomePage());
 462                 } else {
 463                     waitForCredentials();
 464                 }
 465             } else {
 466                 if (extra != null) {
 467                     urlData.setPostData(extra
 468                             .getByteArray(Browser.EXTRA_POST_DATA));
 469                 }
 470                 urlData.loadIn(webView);
 471             }
 472         } else {
 473             // TabControl.restoreState() will create a new tab even if
 474             // restoring the state fails.
 475             attachTabToContentView(mTabControl.getCurrentTab());
 476         }
 477
 478         // Read JavaScript flags if it exists.
 479         String jsFlags = mSettings.getJsFlags();
 480         if (jsFlags.trim().length() != 0) {
 481             mTabControl.getCurrentWebView().setJsFlags(jsFlags);
 482         }
 483     }
 484
 485     @Override
 486     protected void onNewIntent(Intent intent) {
 487         TabControl.Tab current = mTabControl.getCurrentTab();
 488         // When a tab is closed on exit, the current tab index is set to -1.
 489         // Reset before proceed as Browser requires the current tab to be set.
 490         if (current == null) {
 491             // Try to reset the tab in case the index was incorrect.
 492             current = mTabControl.getTab(0);
 493             if (current == null) {
 494                 // No tabs at all so just ignore this intent.
 495                 return;
 496             }
 497             mTabControl.setCurrentTab(current);
 498             attachTabToContentView(current);
 499             resetTitleAndIcon(current.getWebView());
 500         }
 501         final String action = intent.getAction();
 502         final int flags = intent.getFlags();
 503         if (Intent.ACTION_MAIN.equals(action) ||
 504                 (flags & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) != 0) {
 505             // just resume the browser
 506             return;
 507         }
 508         if (Intent.ACTION_VIEW.equals(action)
 509                 || Intent.ACTION_SEARCH.equals(action)
 510                 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action)
 511                 || Intent.ACTION_WEB_SEARCH.equals(action)) {
 512             // If this was a search request (e.g. search query directly typed into the address bar),
 513             // pass it on to the default web search provider.
 514             if (handleWebSearchIntent(intent)) {
 515                 return;
 516             }
 517
 518             UrlData urlData = getUrlDataFromIntent(intent);
 519             if (urlData.isEmpty()) {
 520                 urlData = new UrlData(mSettings.getHomePage());
 521             }
 522             urlData.setPostData(intent
 523                     .getByteArrayExtra(Browser.EXTRA_POST_DATA));
 524
 525             final String appId = intent
 526                     .getStringExtra(Browser.EXTRA_APPLICATION_ID);
 527             if (Intent.ACTION_VIEW.equals(action)
 528                     && !getPackageName().equals(appId)
 529                     && (flags & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) != 0) {
 530                 TabControl.Tab appTab = mTabControl.getTabFromId(appId);
 531                 if (appTab != null) {
 532                     Log.i(LOGTAG, "Reusing tab for " + appId);
 533                     // Dismiss the subwindow if applicable.
 534                     dismissSubWindow(appTab);
 535                     // Since we might kill the WebView, remove it from the
 536                     // content view first.
 537                     removeTabFromContentView(appTab);
 538                     // Recreate the main WebView after destroying the old one.
 539                     // If the WebView has the same original url and is on that
 540                     // page, it can be reused.
 541                     boolean needsLoad =
 542                             mTabControl.recreateWebView(appTab, urlData.mUrl);
 543
 544                     if (current != appTab) {
 545                         switchToTab(mTabControl.getTabIndex(appTab));
 546                         if (needsLoad) {
 547                             urlData.loadIn(appTab.getWebView());
 548                         }
 549                     } else {
 550                         // If the tab was the current tab, we have to attach
 551                         // it to the view system again.
 552                         attachTabToContentView(appTab);
 553                         if (needsLoad) {
 554                             urlData.loadIn(appTab.getWebView());
 555                         }
 556                     }
 557                     return;
 558                 } else {
 559                     // No matching application tab, try to find a regular tab
 560                     // with a matching url.
 561                     appTab = mTabControl.findUnusedTabWithUrl(urlData.mUrl);
 562                     if (appTab != null) {
 563                         if (current != appTab) {
 564                             switchToTab(mTabControl.getTabIndex(appTab));
 565                         }
 566                         // Otherwise, we are already viewing the correct tab.
 567                     } else {
 568                         // if FLAG_ACTIVITY_BROUGHT_TO_FRONT flag is on, the url
 569                         // will be opened in a new tab unless we have reached
 570                         // MAX_TABS. Then the url will be opened in the current
 571                         // tab. If a new tab is created, it will have "true" for
 572                         // exit on close.
 573                         openTabAndShow(urlData, true, appId);
 574                     }
 575                 }
 576             } else {
 577                 if ("about:debug".equals(urlData.mUrl)) {
 578                     mSettings.toggleDebugSettings();
 579                     return;
 580                 }
 581                 // Get rid of the subwindow if it exists
 582                 dismissSubWindow(current);
 583                 urlData.loadIn(current.getWebView());
 584             }
 585         }
 586     }
 587
 588     private int parseUrlShortcut(String url) {
 589         if (url == null) return SHORTCUT_INVALID;
 590
 591         // FIXME: quick search, need to be customized by setting
 592         if (url.length() > 2 && url.charAt(1) == ' ') {
 593             switch (url.charAt(0)) {
 594             case 'g': return SHORTCUT_GOOGLE_SEARCH;
 595             case 'w': return SHORTCUT_WIKIPEDIA_SEARCH;
 596             case 'd': return SHORTCUT_DICTIONARY_SEARCH;
 597             case 'l': return SHORTCUT_GOOGLE_MOBILE_LOCAL_SEARCH;
 598             }
 599         }
 600         return SHORTCUT_INVALID;
 601     }
 602
 603     /**
 604      * Launches the default web search activity with the query parameters if the given intent's data
 605      * are identified as plain search terms and not URLs/shortcuts.
 606      * @return true if the intent was handled and web search activity was launched, false if not.
 607      */
 608     private boolean handleWebSearchIntent(Intent intent) {
 609         if (intent == null) return false;
 610
 611         String url = null;
 612         final String action = intent.getAction();
 613         if (Intent.ACTION_VIEW.equals(action)) {
 614             url = intent.getData().toString();
 615         } else if (Intent.ACTION_SEARCH.equals(action)
 616                 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action)
 617                 || Intent.ACTION_WEB_SEARCH.equals(action)) {
 618             url = intent.getStringExtra(SearchManager.QUERY);
 619         }
 620         return handleWebSearchRequest(url, intent.getBundleExtra(SearchManager.APP_DATA));
 621     }
 622
 623     /**
 624      * Launches the default web search activity with the query parameters if the given url string
 625      * was identified as plain search terms and not URL/shortcut.
 626      * @return true if the request was handled and web search activity was launched, false if not.
 627      */
 628     private boolean handleWebSearchRequest(String inUrl, Bundle appData) {
 629         if (inUrl == null) return false;
 630
 631         // In general, we shouldn't modify URL from Intent.
 632         // But currently, we get the user-typed URL from search box as well.
 633         String url = fixUrl(inUrl).trim();
 634
 635         // URLs and site specific search shortcuts are handled by the regular flow of control, so
 636         // return early.
 637         if (Regex.WEB_URL_PATTERN.matcher(url).matches()
 638                 || ACCEPTED_URI_SCHEMA.matcher(url).matches()
 639                 || parseUrlShortcut(url) != SHORTCUT_INVALID) {
 640             return false;
 641         }
 642
 643         Browser.updateVisitedHistory(mResolver, url, false);
 644         Browser.addSearchUrl(mResolver, url);
 645
 646         Intent intent = new Intent(Intent.ACTION_WEB_SEARCH);
 647         intent.addCategory(Intent.CATEGORY_DEFAULT);
 648         intent.putExtra(SearchManager.QUERY, url);
 649         if (appData != null) {
 650             intent.putExtra(SearchManager.APP_DATA, appData);
 651         }
 652         intent.putExtra(Browser.EXTRA_APPLICATION_ID, getPackageName());
 653         startActivity(intent);
 654
 655         return true;
 656     }
 657
 658     private UrlData getUrlDataFromIntent(Intent intent) {
 659         String url = null;
 660         if (intent != null) {
 661             final String action = intent.getAction();
 662             if (Intent.ACTION_VIEW.equals(action)) {
 663                 url = smartUrlFilter(intent.getData());
 664                 if (url != null && url.startsWith("content:")) {
 665                     /* Append mimetype so webview knows how to display */
 666                     String mimeType = intent.resolveType(getContentResolver());
 667                     if (mimeType != null) {
 668                         url += "?" + mimeType;
 669                     }
 670                 }
 671                 if ("inline:".equals(url)) {
 672                     return new InlinedUrlData(
 673                             intent.getStringExtra(Browser.EXTRA_INLINE_CONTENT),
 674                             intent.getType(),
 675                             intent.getStringExtra(Browser.EXTRA_INLINE_ENCODING),
 676                             intent.getStringExtra(Browser.EXTRA_INLINE_FAILURL));
 677                 }
 678             } else if (Intent.ACTION_SEARCH.equals(action)
 679                     || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action)
 680                     || Intent.ACTION_WEB_SEARCH.equals(action)) {
 681                 url = intent.getStringExtra(SearchManager.QUERY);
 682                 if (url != null) {
 683                     mLastEnteredUrl = url;
 684                     // Don't add Urls, just search terms.
 685                     // Urls will get added when the page is loaded.
 686                     if (!Regex.WEB_URL_PATTERN.matcher(url).matches()) {
 687                         Browser.updateVisitedHistory(mResolver, url, false);
 688                     }
 689                     // In general, we shouldn't modify URL from Intent.
 690                     // But currently, we get the user-typed URL from search box as well.
 691                     url = fixUrl(url);
 692                     url = smartUrlFilter(url);
 693                     String searchSource = "&source=android-" + GOOGLE_SEARCH_SOURCE_SUGGEST + "&";
 694                     if (url.contains(searchSource)) {
 695                         String source = null;
 696                         final Bundle appData = intent.getBundleExtra(SearchManager.APP_DATA);
 697                         if (appData != null) {
 698                             source = appData.getString(SearchManager.SOURCE);
 699                         }
 700                         if (TextUtils.isEmpty(source)) {
 701                             source = GOOGLE_SEARCH_SOURCE_UNKNOWN;
 702                         }
 703                         url = url.replace(searchSource, "&source=android-"+source+"&");
 704                     }
 705                 }
 706             }
 707         }
 708         return new UrlData(url);
 709     }
 710
 711     /* package */ static String fixUrl(String inUrl) {
 712         // FIXME: Converting the url to lower case
 713         // duplicates functionality in smartUrlFilter().
 714         // However, changing all current callers of fixUrl to
 715         // call smartUrlFilter in addition may have unwanted
 716         // consequences, and is deferred for now.
 717         int colon = inUrl.indexOf(':');
 718         boolean allLower = true;
 719         for (int index = 0; index < colon; index++) {
 720             char ch = inUrl.charAt(index);
 721             if (!Character.isLetter(ch)) {
 722                 break;
 723             }
 724             allLower &= Character.isLowerCase(ch);
 725             if (index == colon - 1 && !allLower) {
 726                 inUrl = inUrl.substring(0, colon).toLowerCase()
 727                         + inUrl.substring(colon);
 728             }
 729         }
 730         if (inUrl.startsWith("http://") || inUrl.startsWith("https://"))
 731             return inUrl;
 732         if (inUrl.startsWith("http:") ||
 733                 inUrl.startsWith("https:")) {
 734             if (inUrl.startsWith("http:/") || inUrl.startsWith("https:/")) {
 735                 inUrl = inUrl.replaceFirst("/", "//");
 736             } else inUrl = inUrl.replaceFirst(":", "://");
 737         }
 738         return inUrl;
 739     }
 740
 741     /**
 742      * Looking for the pattern like this
 743      *
 744      *          *
 745      *         * *
 746      *      ***   *     *******
 747      *             *   *
 748      *              * *
 749      *               *
 750      */
 751     private final SensorListener mSensorListener = new SensorListener() {
 752         private long mLastGestureTime;
 753         private float[] mPrev = new float[3];
 754         private float[] mPrevDiff = new float[3];
 755         private float[] mDiff = new float[3];
 756         private float[] mRevertDiff = new float[3];
 757
 758         public void onSensorChanged(int sensor, float[] values) {
 759             boolean show = false;
 760             float[] diff = new float[3];
 761
 762             for (int i = 0; i < 3; i++) {
 763                 diff[i] = values[i] - mPrev[i];
 764                 if (Math.abs(diff[i]) > 1) {
 765                     show = true;
 766                 }
 767                 if ((diff[i] > 1.0 && mDiff[i] < 0.2)
 768                         || (diff[i] < -1.0 && mDiff[i] > -0.2)) {
 769                     // start track when there is a big move, or revert
 770                     mRevertDiff[i] = mDiff[i];
 771                     mDiff[i] = 0;
 772                 } else if (diff[i] > -0.2 && diff[i] < 0.2) {
 773                     // reset when it is flat
 774                     mDiff[i] = mRevertDiff[i]  = 0;
 775                 }
 776                 mDiff[i] += diff[i];
 777                 mPrevDiff[i] = diff[i];
 778                 mPrev[i] = values[i];
 779             }
 780
 781             if (false) {
 782                 // only shows if we think the delta is big enough, in an attempt
 783                 // to detect "serious" moves left/right or up/down
 784                 Log.d("BrowserSensorHack", "sensorChanged " + sensor + " ("
 785                         + values[0] + ", " + values[1] + ", " + values[2] + ")"
 786                         + " diff(" + diff[0] + " " + diff[1] + " " + diff[2]
 787                         + ")");
 788                 Log.d("BrowserSensorHack", "      mDiff(" + mDiff[0] + " "
 789                         + mDiff[1] + " " + mDiff[2] + ")" + " mRevertDiff("
 790                         + mRevertDiff[0] + " " + mRevertDiff[1] + " "
 791                         + mRevertDiff[2] + ")");
 792             }
 793
 794             long now = android.os.SystemClock.uptimeMillis();
 795             if (now - mLastGestureTime > 1000) {
 796                 mLastGestureTime = 0;
 797
 798                 float y = mDiff[1];
 799                 float z = mDiff[2];
 800                 float ay = Math.abs(y);
 801                 float az = Math.abs(z);
 802                 float ry = mRevertDiff[1];
 803                 float rz = mRevertDiff[2];
 804                 float ary = Math.abs(ry);
 805                 float arz = Math.abs(rz);
 806                 boolean gestY = ay > 2.5f && ary > 1.0f && ay > ary;
 807                 boolean gestZ = az > 3.5f && arz > 1.0f && az > arz;
 808
 809                 if ((gestY || gestZ) && !(gestY && gestZ)) {
 810                     WebView view = mTabControl.getCurrentWebView();
 811
 812                     if (view != null) {
 813                         if (gestZ) {
 814                             if (z < 0) {
 815                                 view.zoomOut();
 816                             } else {
 817                                 view.zoomIn();
 818                             }
 819                         } else {
 820                             view.flingScroll(0, Math.round(y * 100));
 821                         }
 822                     }
 823                     mLastGestureTime = now;
 824                 }
 825             }
 826         }
 827
 828         public void onAccuracyChanged(int sensor, int accuracy) {
 829             // TODO Auto-generated method stub
 830
 831         }
 832     };
 833
 834     @Override protected void onResume() {
 835         super.onResume();
 836         if (LOGV_ENABLED) {
 837             Log.v(LOGTAG, "BrowserActivity.onResume: this=" + this);
 838         }
 839
 840         if (!mActivityInPause) {
 841             Log.e(LOGTAG, "BrowserActivity is already resumed.");
 842             return;
 843         }
 844
 845         mTabControl.resumeCurrentTab();
 846         mActivityInPause = false;
 847         resumeWebViewTimers();
 848
 849         if (mWakeLock.isHeld()) {
 850             mHandler.removeMessages(RELEASE_WAKELOCK);
 851             mWakeLock.release();
 852         }
 853
 854         if (mCredsDlg != null) {
 855             if (!mHandler.hasMessages(CANCEL_CREDS_REQUEST)) {
 856              // In case credential request never comes back
 857                 mHandler.sendEmptyMessageDelayed(CANCEL_CREDS_REQUEST, 6000);
 858             }
 859         }
 860
 861         registerReceiver(mNetworkStateIntentReceiver,
 862                          mNetworkStateChangedFilter);
 863         WebView.enablePlatformNotifications();
 864
 865         if (mSettings.doFlick()) {
 866             if (mSensorManager == null) {
 867                 mSensorManager = (SensorManager) getSystemService(
 868                         Context.SENSOR_SERVICE);
 869             }
 870             mSensorManager.registerListener(mSensorListener,
 871                     SensorManager.SENSOR_ACCELEROMETER,
 872                     SensorManager.SENSOR_DELAY_FASTEST);
 873         } else {
 874             mSensorManager = null;
 875         }
 876     }
 877
 878     /**
 879      * Since the actual title bar is embedded in the WebView, and removing it
 880      * would change its appearance, create a temporary title bar to go at
 881      * the top of the screen while the menu is open.
 882      */
 883     private TitleBar mFakeTitleBar;
 884
 885     /**
 886      * Holder for the fake title bar.  It will have a foreground shadow, as well
 887      * as a white background, so the fake title bar looks like the real one.
 888      */
 889     private ViewGroup mFakeTitleBarHolder;
 890
 891     /**
 892      * Layout parameters for the fake title bar within mFakeTitleBarHolder
 893      */
 894     private FrameLayout.LayoutParams mFakeTitleBarParams
 895             = new FrameLayout.LayoutParams(
 896             ViewGroup.LayoutParams.FILL_PARENT,
 897             ViewGroup.LayoutParams.WRAP_CONTENT);
 898     /**
 899      * Keeps track of whether the options menu is open.  This is important in
 900      * determining whether to show or hide the title bar overlay.
 901      */
 902     private boolean mOptionsMenuOpen;
 903
 904     /**
 905      * Only meaningful when mOptionsMenuOpen is true.  This variable keeps track
 906      * of whether the configuration has changed.  The first onMenuOpened call
 907      * after a configuration change is simply a reopening of the same menu
 908      * (i.e. mIconView did not change).
 909      */
 910     private boolean mConfigChanged;
 911
 912     /**
 913      * Whether or not the options menu is in its smaller, icon menu form.  When
 914      * true, we want the title bar overlay to be up.  When false, we do not.
 915      * Only meaningful if mOptionsMenuOpen is true.
 916      */
 917     private boolean mIconView;
 918
 919     @Override
 920     public boolean onMenuOpened(int featureId, Menu menu) {
 921         if (Window.FEATURE_OPTIONS_PANEL == featureId) {
 922             if (mOptionsMenuOpen) {
 923                 if (mConfigChanged) {
 924                     // We do not need to make any changes to the state of the
 925                     // title bar, since the only thing that happened was a
 926                     // change in orientation
 927                     mConfigChanged = false;
 928                 } else {
 929                     if (mIconView) {
 930                         // Switching the menu to expanded view, so hide the
 931                         // title bar.
 932                         hideFakeTitleBar();
 933                         mIconView = false;
 934                     } else {
 935                         // Switching the menu back to icon view, so show the
 936                         // title bar once again.
 937                         showFakeTitleBar();
 938                         mIconView = true;
 939                     }
 940                 }
 941             } else {
 942                 // The options menu is closed, so open it, and show the title
 943                 showFakeTitleBar();
 944                 mOptionsMenuOpen = true;
 945                 mConfigChanged = false;
 946                 mIconView = true;
 947             }
 948         }
 949         return true;
 950     }
 951
 952     private void showFakeTitleBar() {
 953         if (mFakeTitleBar == null && mActiveTabsPage == null
 954                 && !mActivityInPause) {
 955             final WebView webView = getTopWindow();
 956             mFakeTitleBar = new TitleBar(this);
 957             mFakeTitleBar.setTitleAndUrl(null, webView.getUrl());
 958             mFakeTitleBar.setProgress(webView.getProgress());
 959             mFakeTitleBar.setFavicon(webView.getFavicon());
 960             updateLockIconToLatest();
 961
 962             WindowManager manager
 963                     = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
 964
 965             // Add the title bar to the window manager so it can receive touches
 966             // while the menu is up
 967             WindowManager.LayoutParams params
 968                     = new WindowManager.LayoutParams(
 969                     ViewGroup.LayoutParams.FILL_PARENT,
 970                     ViewGroup.LayoutParams.WRAP_CONTENT,
 971                     WindowManager.LayoutParams.TYPE_APPLICATION_SUB_PANEL,
 972                     WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
 973                     PixelFormat.OPAQUE);
 974             params.gravity = Gravity.TOP;
 975             WebView mainView = mTabControl.getCurrentWebView();
 976             params.windowAnimations = mainView == null
 977                     || mainView.getScrollY() != 0
 978                     ? com.android.internal.R.style.Animation_DropDownDown : 0;
 979             // XXX : Without providing an offset, the fake title bar will be
 980             // placed underneath the status bar.  Use the global visible rect
 981             // of mBrowserFrameLayout to determine the bottom of the status bar
 982             Rect rectangle = new Rect();
 983             mBrowserFrameLayout.getGlobalVisibleRect(rectangle);
 984             params.y = rectangle.top;
 985             // Add a holder for the title bar.  It is a FrameLayout, which
 986             // allows it to have an overlay shadow.  It also has a white
 987             // background, which is the same as the background when it is
 988             // placed in a WebView.
 989             if (mFakeTitleBarHolder == null) {
 990                 mFakeTitleBarHolder = (ViewGroup) LayoutInflater.from(this)
 991                     .inflate(R.layout.title_bar_bg, null);
 992             }
 993             mFakeTitleBarHolder.addView(mFakeTitleBar, mFakeTitleBarParams);
 994             manager.addView(mFakeTitleBarHolder, params);
 995         }
 996     }
 997
 998     @Override
 999     public void onOptionsMenuClosed(Menu menu) {
1000         mOptionsMenuOpen = false;
1001         if (!mInLoad) {
1002             hideFakeTitleBar();
1003         } else if (!mIconView) {
1004             // The page is currently loading, and we are in expanded mode, so
1005             // we were not showing the menu.  Show it once again.  It will be
1006             // removed when the page finishes.
1007             showFakeTitleBar();
1008         }
1009     }
1010     private void hideFakeTitleBar() {
1011         if (mFakeTitleBar == null) return;
1012         WindowManager manager
1013                     = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
1014         mFakeTitleBarHolder.removeView(mFakeTitleBar);
1015         manager.removeView(mFakeTitleBarHolder);
1016         mFakeTitleBar = null;
1017     }
1018
1019     /**
1020      *  onSaveInstanceState(Bundle map)
1021      *  onSaveInstanceState is called right before onStop(). The map contains
1022      *  the saved state.
1023      */
1024     @Override protected void onSaveInstanceState(Bundle outState) {
1025         if (LOGV_ENABLED) {
1026             Log.v(LOGTAG, "BrowserActivity.onSaveInstanceState: this=" + this);
1027         }
1028         // the default implementation requires each view to have an id. As the
1029         // browser handles the state itself and it doesn't use id for the views,
1030         // don't call the default implementation. Otherwise it will trigger the
1031         // warning like this, "couldn't save which view has focus because the
1032         // focused view XXX has no id".
1033
1034         // Save all the tabs
1035         mTabControl.saveState(outState);
1036     }
1037
1038     @Override protected void onPause() {
1039         super.onPause();
1040
1041         if (mActivityInPause) {
1042             Log.e(LOGTAG, "BrowserActivity is already paused.");
1043             return;
1044         }
1045
1046         mTabControl.pauseCurrentTab();
1047         mActivityInPause = true;
1048         if (mTabControl.getCurrentIndex() >= 0 && !pauseWebViewTimers()) {
1049             mWakeLock.acquire();
1050             mHandler.sendMessageDelayed(mHandler
1051                     .obtainMessage(RELEASE_WAKELOCK), WAKELOCK_TIMEOUT);
1052         }
1053
1054         // Clear the credentials toast if it is up
1055         if (mCredsDlg != null && mCredsDlg.isShowing()) {
1056             mCredsDlg.dismiss();
1057         }
1058         mCredsDlg = null;
1059
1060         // FIXME: This removes the active tabs page and resets the menu to
1061         // MAIN_MENU.  A better solution might be to do this work in onNewIntent
1062         // but then we would need to save it in onSaveInstanceState and restore
1063         // it in onCreate/onRestoreInstanceState
1064         if (mActiveTabsPage != null) {
1065             removeActiveTabPage(true);
1066         }
1067
1068         cancelStopToast();
1069
1070         // unregister network state listener
1071         unregisterReceiver(mNetworkStateIntentReceiver);
1072         WebView.disablePlatformNotifications();
1073
1074         if (mSensorManager != null) {
1075             mSensorManager.unregisterListener(mSensorListener);
1076         }
1077     }
1078
1079     @Override protected void onDestroy() {
1080         if (LOGV_ENABLED) {
1081             Log.v(LOGTAG, "BrowserActivity.onDestroy: this=" + this);
1082         }
1083         super.onDestroy();
1084         // Remove the current tab and sub window
1085         TabControl.Tab t = mTabControl.getCurrentTab();
1086         if (t != null) {
1087             dismissSubWindow(t);
1088             removeTabFromContentView(t);
1089         }
1090         // Destroy all the tabs
1091         mTabControl.destroy();
1092         WebIconDatabase.getInstance().close();
1093         if (mGlsConnection != null) {
1094             unbindService(mGlsConnection);
1095             mGlsConnection = null;
1096         }
1097
1098         //
1099         // stop MASF proxy service
1100         //
1101         //Intent proxyServiceIntent = new Intent();
1102         //proxyServiceIntent.setComponent
1103         //   (new ComponentName(
1104         //        "com.android.masfproxyservice",
1105         //        "com.android.masfproxyservice.MasfProxyService"));
1106         //stopService(proxyServiceIntent);
1107
1108         unregisterReceiver(mPackageInstallationReceiver);
1109     }
1110
1111     @Override
1112     public void onConfigurationChanged(Configuration newConfig) {
1113         mConfigChanged = true;
1114         super.onConfigurationChanged(newConfig);
1115
1116         if (mPageInfoDialog != null) {
1117             mPageInfoDialog.dismiss();
1118             showPageInfo(
1119                 mPageInfoView,
1120                 mPageInfoFromShowSSLCertificateOnError.booleanValue());
1121         }
1122         if (mSSLCertificateDialog != null) {
1123             mSSLCertificateDialog.dismiss();
1124             showSSLCertificate(
1125                 mSSLCertificateView);
1126         }
1127         if (mSSLCertificateOnErrorDialog != null) {
1128             mSSLCertificateOnErrorDialog.dismiss();
1129             showSSLCertificateOnError(
1130                 mSSLCertificateOnErrorView,
1131                 mSSLCertificateOnErrorHandler,
1132                 mSSLCertificateOnErrorError);
1133         }
1134         if (mHttpAuthenticationDialog != null) {
1135             String title = ((TextView) mHttpAuthenticationDialog
1136                     .findViewById(com.android.internal.R.id.alertTitle)).getText()
1137                     .toString();
1138             String name = ((TextView) mHttpAuthenticationDialog
1139                     .findViewById(R.id.username_edit)).getText().toString();
1140             String password = ((TextView) mHttpAuthenticationDialog
1141                     .findViewById(R.id.password_edit)).getText().toString();
1142             int focusId = mHttpAuthenticationDialog.getCurrentFocus()
1143                     .getId();
1144             mHttpAuthenticationDialog.dismiss();
1145             showHttpAuthentication(mHttpAuthHandler, null, null, title,
1146                     name, password, focusId);
1147         }
1148         if (mFindDialog != null && mFindDialog.isShowing()) {
1149             mFindDialog.onConfigurationChanged(newConfig);
1150         }
1151     }
1152
1153     @Override public void onLowMemory() {
1154         super.onLowMemory();
1155         mTabControl.freeMemory();
1156     }
1157
1158     private boolean resumeWebViewTimers() {
1159         if ((!mActivityInPause && !mPageStarted) ||
1160                 (mActivityInPause && mPageStarted)) {
1161             CookieSyncManager.getInstance().startSync();
1162             WebView w = mTabControl.getCurrentWebView();
1163             if (w != null) {
1164                 w.resumeTimers();
1165             }
1166             return true;
1167         } else {
1168             return false;
1169         }
1170     }
1171
1172     private boolean pauseWebViewTimers() {
1173         if (mActivityInPause && !mPageStarted) {
1174             CookieSyncManager.getInstance().stopSync();
1175             WebView w = mTabControl.getCurrentWebView();
1176             if (w != null) {
1177                 w.pauseTimers();
1178             }
1179             return true;
1180         } else {
1181             return false;
1182         }
1183     }
1184
1185     // FIXME: Do we want to call this when loading google for the first time?
1186     /*
1187      * This function is called when we are launching for the first time. We
1188      * are waiting for the login credentials before loading Google home
1189      * pages. This way the user will be logged in straight away.
1190      */
1191     private void waitForCredentials() {
1192         // Show a toast
1193         mCredsDlg = new ProgressDialog(this);
1194         mCredsDlg.setIndeterminate(true);
1195         mCredsDlg.setMessage(getText(R.string.retrieving_creds_dlg_msg));
1196         // If the user cancels the operation, then cancel the Google
1197         // Credentials request.
1198         mCredsDlg.setCancelMessage(mHandler.obtainMessage(CANCEL_CREDS_REQUEST));
1199         mCredsDlg.show();
1200
1201         // We set a timeout for the retrieval of credentials in onResume()
1202         // as that is when we have freed up some CPU time to get
1203         // the login credentials.
1204     }
1205
1206     /*
1207      * If we have received the credentials or we have timed out and we are
1208      * showing the credentials dialog, then it is time to move on.
1209      */
1210     private void resumeAfterCredentials() {
1211         if (mCredsDlg == null) {
1212             return;
1213         }
1214
1215         // Clear the toast
1216         if (mCredsDlg.isShowing()) {
1217             mCredsDlg.dismiss();
1218         }
1219         mCredsDlg = null;
1220
1221         // Clear any pending timeout
1222         mHandler.removeMessages(CANCEL_CREDS_REQUEST);
1223
1224         // Load the page
1225         WebView w = mTabControl.getCurrentWebView();
1226         if (w != null) {
1227             w.loadUrl(mSettings.getHomePage());
1228         }
1229
1230         // Update the settings, need to do this last as it can take a moment
1231         // to persist the settings. In the mean time we could be loading
1232         // content.
1233         mSettings.setLoginInitialized(this);
1234     }
1235
1236     // Open the icon database and retain all the icons for visited sites.
1237     private void retainIconsOnStartup() {
1238         final WebIconDatabase db = WebIconDatabase.getInstance();
1239         db.open(getDir("icons", 0).getPath());
1240         try {
1241             Cursor c = Browser.getAllBookmarks(mResolver);
1242             if (!c.moveToFirst()) {
1243                 c.deactivate();
1244                 return;
1245             }
1246             int urlIndex = c.getColumnIndex(Browser.BookmarkColumns.URL);
1247             do {
1248                 String url = c.getString(urlIndex);
1249                 db.retainIconForPageUrl(url);
1250             } while (c.moveToNext());
1251             c.deactivate();
1252         } catch (IllegalStateException e) {
1253             Log.e(LOGTAG, "retainIconsOnStartup", e);
1254         }
1255     }
1256
1257     // Helper method for getting the top window.
1258     WebView getTopWindow() {
1259         return mTabControl.getCurrentTopWebView();
1260     }
1261
1262     @Override
1263     public boolean onCreateOptionsMenu(Menu menu) {
1264         super.onCreateOptionsMenu(menu);
1265
1266         MenuInflater inflater = getMenuInflater();
1267         inflater.inflate(R.menu.browser, menu);
1268         mMenu = menu;
1269         updateInLoadMenuItems();
1270         return true;
1271     }
1272
1273     /**
1274      * As the menu can be open when loading state changes
1275      * we must manually update the state of the stop/reload menu
1276      * item
1277      */
1278     private void updateInLoadMenuItems() {
1279         if (mMenu == null) {
1280             return;
1281         }
1282         MenuItem src = mInLoad ?
1283                 mMenu.findItem(R.id.stop_menu_id):
1284                     mMenu.findItem(R.id.reload_menu_id);
1285         MenuItem dest = mMenu.findItem(R.id.stop_reload_menu_id);
1286         dest.setIcon(src.getIcon());
1287         dest.setTitle(src.getTitle());
1288     }
1289
1290     @Override
1291     public boolean onContextItemSelected(MenuItem item) {
1292         // chording is not an issue with context menus, but we use the same
1293         // options selector, so set mCanChord to true so we can access them.
1294         mCanChord = true;
1295         int id = item.getItemId();
1296         final WebView webView = getTopWindow();
1297         if (null == webView) {
1298             return false;
1299         }
1300         final HashMap hrefMap = new HashMap();
1301         hrefMap.put("webview", webView);
1302         final Message msg = mHandler.obtainMessage(
1303                 FOCUS_NODE_HREF, id, 0, hrefMap);
1304         switch (id) {
1305             // -- Browser context menu
1306             case R.id.open_context_menu_id:
1307             case R.id.open_newtab_context_menu_id:
1308             case R.id.bookmark_context_menu_id:
1309             case R.id.save_link_context_menu_id:
1310             case R.id.share_link_context_menu_id:
1311             case R.id.copy_link_context_menu_id:
1312                 webView.requestFocusNodeHref(msg);
1313                 break;
1314
1315             default:
1316                 // For other context menus
1317                 return onOptionsItemSelected(item);
1318         }
1319         mCanChord = false;
1320         return true;
1321     }
1322
1323     private Bundle createGoogleSearchSourceBundle(String source) {
1324         Bundle bundle = new Bundle();
1325         bundle.putString(SearchManager.SOURCE, source);
1326         return bundle;
1327     }
1328
1329     /**
1330      * Overriding this to insert a local information bundle
1331      */
1332     @Override
1333     public boolean onSearchRequested() {
1334         if (mOptionsMenuOpen) closeOptionsMenu();
1335         String url = (getTopWindow() == null) ? null : getTopWindow().getUrl();
1336         startSearch(mSettings.getHomePage().equals(url) ? null : url, true,
1337                 createGoogleSearchSourceBundle(GOOGLE_SEARCH_SOURCE_SEARCHKEY), false);
1338         return true;
1339     }
1340
1341     @Override
1342     public void startSearch(String initialQuery, boolean selectInitialQuery,
1343             Bundle appSearchData, boolean globalSearch) {
1344         if (appSearchData == null) {
1345             appSearchData = createGoogleSearchSourceBundle(GOOGLE_SEARCH_SOURCE_TYPE);
1346         }
1347         super.startSearch(initialQuery, selectInitialQuery, appSearchData, globalSearch);
1348     }
1349
1350     /**
1351      * Switch tabs.  Called by the TitleBarSet when sliding the title bar
1352      * results in changing tabs.
1353      * @param index Index of the tab to change to, as defined by
1354      *              mTabControl.getTabIndex(Tab t).
1355      * @return boolean True if we successfully switched to a different tab.  If
1356      *                 the indexth tab is null, or if that tab is the same as
1357      *                 the current one, return false.
1358      */
1359     /* package */ boolean switchToTab(int index) {
1360         TabControl.Tab tab = mTabControl.getTab(index);
1361         TabControl.Tab currentTab = mTabControl.getCurrentTab();
1362         if (tab == null || tab == currentTab) {
1363             return false;
1364         }
1365         if (currentTab != null) {
1366             // currentTab may be null if it was just removed.  In that case,
1367             // we do not need to remove it
1368             removeTabFromContentView(currentTab);
1369         }
1370         mTabControl.setCurrentTab(tab);
1371         attachTabToContentView(tab);
1372         resetTitleIconAndProgress();
1373         updateLockIconToLatest();
1374         return true;
1375     }
1376
1377     /* package */ TabControl.Tab openTabToHomePage() {
1378         return openTabAndShow(mSettings.getHomePage(), false, null);
1379     }
1380
1381     /* package */ void closeCurrentWindow() {
1382         final TabControl.Tab current = mTabControl.getCurrentTab();
1383         if (mTabControl.getTabCount() == 1) {
1384             // This is the last tab.  Open a new one, with the home
1385             // page and close the current one.
1386             TabControl.Tab newTab = openTabToHomePage();
1387             closeTab(current);
1388             return;
1389         }
1390         final TabControl.Tab parent = current.getParentTab();
1391         int indexToShow = -1;
1392         if (parent != null) {
1393             indexToShow = mTabControl.getTabIndex(parent);
1394         } else {
1395             final int currentIndex = mTabControl.getCurrentIndex();
1396             // Try to move to the tab to the right
1397             indexToShow = currentIndex + 1;
1398             if (indexToShow > mTabControl.getTabCount() - 1) {
1399                 // Try to move to the tab to the left
1400                 indexToShow = currentIndex - 1;
1401             }
1402         }
1403         if (switchToTab(indexToShow)) {
1404             // Close window
1405             closeTab(current);
1406         }
1407     }
1408
1409     private ActiveTabsPage mActiveTabsPage;
1410
1411     /**
1412      * Remove the active tabs page.
1413      * @param needToAttach If true, the active tabs page did not attach a tab
1414      *                     to the content view, so we need to do that here.
1415      */
1416     /* package */ void removeActiveTabPage(boolean needToAttach) {
1417         mContentView.removeView(mActiveTabsPage);
1418         mActiveTabsPage = null;
1419         mMenuState = R.id.MAIN_MENU;
1420         if (needToAttach) {
1421             attachTabToContentView(mTabControl.getCurrentTab());
1422         }
1423         getTopWindow().requestFocus();
1424     }
1425
1426     @Override
1427     public boolean onOptionsItemSelected(MenuItem item) {
1428         if (!mCanChord) {
1429             // The user has already fired a shortcut with this hold down of the
1430             // menu key.
1431             return false;
1432         }
1433         if (null == getTopWindow()) {
1434             return false;
1435         }
1436         if (mMenuIsDown) {
1437             // The shortcut action consumes the MENU. Even if it is still down,
1438             // it won't trigger the next shortcut action. In the case of the
1439             // shortcut action triggering a new activity, like Bookmarks, we
1440             // won't get onKeyUp for MENU. So it is important to reset it here.
1441             mMenuIsDown = false;
1442         }
1443         switch (item.getItemId()) {
1444             // -- Main menu
1445             case R.id.new_tab_menu_id:
1446                 openTabToHomePage();
1447                 break;
1448
1449             case R.id.goto_menu_id:
1450                 bookmarksOrHistoryPicker(false);
1451                 break;
1452
1453             case R.id.active_tabs_menu_id:
1454                 mActiveTabsPage = new ActiveTabsPage(this, mTabControl);
1455                 removeTabFromContentView(mTabControl.getCurrentTab());
1456                 hideFakeTitleBar();
1457                 mContentView.addView(mActiveTabsPage, COVER_SCREEN_PARAMS);
1458                 mActiveTabsPage.requestFocus();
1459                 mMenuState = EMPTY_MENU;
1460                 break;
1461
1462             case R.id.add_bookmark_menu_id:
1463                 Intent i = new Intent(BrowserActivity.this,
1464                         AddBookmarkPage.class);
1465                 WebView w = getTopWindow();
1466                 i.putExtra("url", w.getUrl());
1467                 i.putExtra("title", w.getTitle());
1468                 i.putExtra("touch_icon_url", w.getTouchIconUrl());
1469                 startActivity(i);
1470                 break;
1471
1472             case R.id.stop_reload_menu_id:
1473                 if (mInLoad) {
1474                     stopLoading();
1475                 } else {
1476                     getTopWindow().reload();
1477                 }
1478                 break;
1479
1480             case R.id.back_menu_id:
1481                 getTopWindow().goBack();
1482                 break;
1483
1484             case R.id.forward_menu_id:
1485                 getTopWindow().goForward();
1486                 break;
1487
1488             case R.id.close_menu_id:
1489                 // Close the subwindow if it exists.
1490                 if (mTabControl.getCurrentSubWindow() != null) {
1491                     dismissSubWindow(mTabControl.getCurrentTab());
1492                     break;
1493                 }
1494                 closeCurrentWindow();
1495                 break;
1496
1497             case R.id.homepage_menu_id:
1498                 TabControl.Tab current = mTabControl.getCurrentTab();
1499                 if (current != null) {
1500                     dismissSubWindow(current);
1501                     current.getWebView().loadUrl(mSettings.getHomePage());
1502                 }
1503                 break;
1504
1505             case R.id.preferences_menu_id:
1506                 Intent intent = new Intent(this,
1507                         BrowserPreferencesPage.class);
1508                 startActivityForResult(intent, PREFERENCES_PAGE);
1509                 break;
1510
1511             case R.id.find_menu_id:
1512                 if (null == mFindDialog) {
1513                     mFindDialog = new FindDialog(this);
1514                 }
1515                 mFindDialog.setWebView(getTopWindow());
1516                 mFindDialog.show();
1517                 mMenuState = EMPTY_MENU;
1518                 break;
1519
1520             case R.id.select_text_id:
1521                 getTopWindow().emulateShiftHeld();
1522                 break;
1523             case R.id.page_info_menu_id:
1524                 showPageInfo(mTabControl.getCurrentTab(), false);
1525                 break;
1526
1527             case R.id.classic_history_menu_id:
1528                 bookmarksOrHistoryPicker(true);
1529                 break;
1530
1531             case R.id.share_page_menu_id:
1532                 Browser.sendString(this, getTopWindow().getUrl());
1533                 break;
1534
1535             case R.id.dump_nav_menu_id:
1536                 getTopWindow().debugDump();
1537                 break;
1538
1539             case R.id.zoom_in_menu_id:
1540                 getTopWindow().zoomIn();
1541                 break;
1542
1543             case R.id.zoom_out_menu_id:
1544                 getTopWindow().zoomOut();
1545                 break;
1546
1547             case R.id.view_downloads_menu_id:
1548                 viewDownloads(null);
1549                 break;
1550
1551             case R.id.window_one_menu_id:
1552             case R.id.window_two_menu_id:
1553             case R.id.window_three_menu_id:
1554             case R.id.window_four_menu_id:
1555             case R.id.window_five_menu_id:
1556             case R.id.window_six_menu_id:
1557             case R.id.window_seven_menu_id:
1558             case R.id.window_eight_menu_id:
1559                 {
1560                     int menuid = item.getItemId();
1561                     for (int id = 0; id < WINDOW_SHORTCUT_ID_ARRAY.length; id++) {
1562                         if (WINDOW_SHORTCUT_ID_ARRAY[id] == menuid) {
1563                             TabControl.Tab desiredTab = mTabControl.getTab(id);
1564                             if (desiredTab != null &&
1565                                     desiredTab != mTabControl.getCurrentTab()) {
1566                                 switchToTab(id);
1567                             }
1568                             break;
1569                         }
1570                     }
1571                 }
1572                 break;
1573
1574             default:
1575                 if (!super.onOptionsItemSelected(item)) {
1576                     return false;
1577                 }
1578                 // Otherwise fall through.
1579         }
1580         mCanChord = false;
1581         return true;
1582     }
1583
1584     public void closeFind() {
1585         mMenuState = R.id.MAIN_MENU;
1586     }
1587
1588     @Override public boolean onPrepareOptionsMenu(Menu menu)
1589     {
1590         // This happens when the user begins to hold down the menu key, so
1591         // allow them to chord to get a shortcut.
1592         mCanChord = true;
1593         // Note: setVisible will decide whether an item is visible; while
1594         // setEnabled() will decide whether an item is enabled, which also means
1595         // whether the matching shortcut key will function.
1596         super.onPrepareOptionsMenu(menu);
1597         switch (mMenuState) {
1598             case EMPTY_MENU:
1599                 if (mCurrentMenuState != mMenuState) {
1600                     menu.setGroupVisible(R.id.MAIN_MENU, false);
1601                     menu.setGroupEnabled(R.id.MAIN_MENU, false);
1602                     menu.setGroupEnabled(R.id.MAIN_SHORTCUT_MENU, false);
1603                 }
1604                 break;
1605             default:
1606                 if (mCurrentMenuState != mMenuState) {
1607                     menu.setGroupVisible(R.id.MAIN_MENU, true);
1608                     menu.setGroupEnabled(R.id.MAIN_MENU, true);
1609                     menu.setGroupEnabled(R.id.MAIN_SHORTCUT_MENU, true);
1610                 }
1611                 final WebView w = getTopWindow();
1612                 boolean canGoBack = false;
1613                 boolean canGoForward = false;
1614                 boolean isHome = false;
1615                 if (w != null) {
1616                     canGoBack = w.canGoBack();
1617                     canGoForward = w.canGoForward();
1618                     isHome = mSettings.getHomePage().equals(w.getUrl());
1619                 }
1620                 final MenuItem back = menu.findItem(R.id.back_menu_id);
1621                 back.setEnabled(canGoBack);
1622
1623                 final MenuItem home = menu.findItem(R.id.homepage_menu_id);
1624                 home.setEnabled(!isHome);
1625
1626                 menu.findItem(R.id.forward_menu_id)
1627                         .setEnabled(canGoForward);
1628
1629                 menu.findItem(R.id.new_tab_menu_id).setEnabled(
1630                         mTabControl.getTabCount() < TabControl.MAX_TABS);
1631
1632                 // decide whether to show the share link option
1633                 PackageManager pm = getPackageManager();
1634                 Intent send = new Intent(Intent.ACTION_SEND);
1635                 send.setType("text/plain");
1636                 ResolveInfo ri = pm.resolveActivity(send, PackageManager.MATCH_DEFAULT_ONLY);
1637                 menu.findItem(R.id.share_page_menu_id).setVisible(ri != null);
1638
1639                 boolean isNavDump = mSettings.isNavDump();
1640                 final MenuItem nav = menu.findItem(R.id.dump_nav_menu_id);
1641                 nav.setVisible(isNavDump);
1642                 nav.setEnabled(isNavDump);
1643                 break;
1644         }
1645         mCurrentMenuState = mMenuState;
1646         return true;
1647     }
1648
1649     @Override
1650     public void onCreateContextMenu(ContextMenu menu, View v,
1651             ContextMenuInfo menuInfo) {
1652         WebView webview = (WebView) v;
1653         WebView.HitTestResult result = webview.getHitTestResult();
1654         if (result == null) {
1655             return;
1656         }
1657
1658         int type = result.getType();
1659         if (type == WebView.HitTestResult.UNKNOWN_TYPE) {
1660             Log.w(LOGTAG,
1661                     "We should not show context menu when nothing is touched");
1662             return;
1663         }
1664         if (type == WebView.HitTestResult.EDIT_TEXT_TYPE) {
1665             // let TextView handles context menu
1666             return;
1667         }
1668
1669         // Note, http://b/issue?id=1106666 is requesting that
1670         // an inflated menu can be used again. This is not available
1671         // yet, so inflate each time (yuk!)
1672         MenuInflater inflater = getMenuInflater();
1673         inflater.inflate(R.menu.browsercontext, menu);
1674
1675         // Show the correct menu group
1676         String extra = result.getExtra();
1677         menu.setGroupVisible(R.id.PHONE_MENU,
1678                 type == WebView.HitTestResult.PHONE_TYPE);
1679         menu.setGroupVisible(R.id.EMAIL_MENU,
1680                 type == WebView.HitTestResult.EMAIL_TYPE);
1681         menu.setGroupVisible(R.id.GEO_MENU,
1682                 type == WebView.HitTestResult.GEO_TYPE);
1683         menu.setGroupVisible(R.id.IMAGE_MENU,
1684                 type == WebView.HitTestResult.IMAGE_TYPE
1685                 || type == WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE);
1686         menu.setGroupVisible(R.id.ANCHOR_MENU,
1687                 type == WebView.HitTestResult.SRC_ANCHOR_TYPE
1688                 || type == WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE);
1689
1690         // Setup custom handling depending on the type
1691         switch (type) {
1692             case WebView.HitTestResult.PHONE_TYPE:
1693                 menu.setHeaderTitle(Uri.decode(extra));
1694                 menu.findItem(R.id.dial_context_menu_id).setIntent(
1695                         new Intent(Intent.ACTION_VIEW, Uri
1696                                 .parse(WebView.SCHEME_TEL + extra)));
1697                 Intent addIntent = new Intent(Intent.ACTION_INSERT_OR_EDIT);
1698                 addIntent.putExtra(Insert.PHONE, Uri.decode(extra));
1699                 addIntent.setType(Contacts.People.CONTENT_ITEM_TYPE);
1700                 menu.findItem(R.id.add_contact_context_menu_id).setIntent(
1701                         addIntent);
1702                 menu.findItem(R.id.copy_phone_context_menu_id).setOnMenuItemClickListener(
1703                         new Copy(extra));
1704                 break;
1705
1706             case WebView.HitTestResult.EMAIL_TYPE:
1707                 menu.setHeaderTitle(extra);
1708                 menu.findItem(R.id.email_context_menu_id).setIntent(
1709                         new Intent(Intent.ACTION_VIEW, Uri
1710                                 .parse(WebView.SCHEME_MAILTO + extra)));
1711                 menu.findItem(R.id.copy_mail_context_menu_id).setOnMenuItemClickListener(
1712                         new Copy(extra));
1713                 break;
1714
1715             case WebView.HitTestResult.GEO_TYPE:
1716                 menu.setHeaderTitle(extra);
1717                 menu.findItem(R.id.map_context_menu_id).setIntent(
1718                         new Intent(Intent.ACTION_VIEW, Uri
1719                                 .parse(WebView.SCHEME_GEO
1720                                         + URLEncoder.encode(extra))));
1721                 menu.findItem(R.id.copy_geo_context_menu_id).setOnMenuItemClickListener(
1722                         new Copy(extra));
1723                 break;
1724
1725             case WebView.HitTestResult.SRC_ANCHOR_TYPE:
1726             case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
1727                 TextView titleView = (TextView) LayoutInflater.from(this)
1728                         .inflate(android.R.layout.browser_link_context_header,
1729                         null);
1730                 titleView.setText(extra);
1731                 menu.setHeaderView(titleView);
1732                 // decide whether to show the open link in new tab option
1733                 menu.findItem(R.id.open_newtab_context_menu_id).setVisible(
1734                         mTabControl.getTabCount() < TabControl.MAX_TABS);
1735                 PackageManager pm = getPackageManager();
1736                 Intent send = new Intent(Intent.ACTION_SEND);
1737                 send.setType("text/plain");
1738                 ResolveInfo ri = pm.resolveActivity(send, PackageManager.MATCH_DEFAULT_ONLY);
1739                 menu.findItem(R.id.share_link_context_menu_id).setVisible(ri != null);
1740                 if (type == WebView.HitTestResult.SRC_ANCHOR_TYPE) {
1741                     break;
1742                 }
1743                 // otherwise fall through to handle image part
1744             case WebView.HitTestResult.IMAGE_TYPE:
1745                 if (type == WebView.HitTestResult.IMAGE_TYPE) {
1746                     menu.setHeaderTitle(extra);
1747                 }
1748                 menu.findItem(R.id.view_image_context_menu_id).setIntent(
1749                         new Intent(Intent.ACTION_VIEW, Uri.parse(extra)));
1750                 menu.findItem(R.id.download_context_menu_id).
1751                         setOnMenuItemClickListener(new Download(extra));
1752                 break;
1753
1754             default:
1755                 Log.w(LOGTAG, "We should not get here.");
1756                 break;
1757         }
1758     }
1759
1760     // Attach the given tab to the content view.
1761     private void attachTabToContentView(TabControl.Tab t) {
1762         // Attach the container that contains the main WebView and any other UI
1763         // associated with the tab.
1764         mContentView.addView(t.getContainer(), COVER_SCREEN_PARAMS);
1765
1766         if (mShouldShowErrorConsole) {
1767             ErrorConsoleView errorConsole = mTabControl.getCurrentErrorConsole(true);
1768             if (errorConsole.numberOfErrors() == 0) {
1769                 errorConsole.showConsole(ErrorConsoleView.SHOW_NONE);
1770             } else {
1771                 errorConsole.showConsole(ErrorConsoleView.SHOW_MINIMIZED);
1772             }
1773
1774             mErrorConsoleContainer.addView(errorConsole,
1775                     new LinearLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT,
1776                                                   ViewGroup.LayoutParams.WRAP_CONTENT));
1777         }
1778
1779         if (t == mTabControl.getCurrentTab()) {
1780             setLockIconType(t.getLockIconType());
1781             setPrevLockType(t.getPrevLockIconType());
1782         }
1783
1784         WebView view = t.getWebView();
1785         view.setEmbeddedTitleBar(mTitleBar);
1786         // Attach the sub window if necessary
1787         attachSubWindow(t);
1788         // Request focus on the top window.
1789         t.getTopWindow().requestFocus();
1790     }
1791
1792     // Attach a sub window to the main WebView of the given tab.
1793     private void attachSubWindow(TabControl.Tab t) {
1794         // If a sub window exists, attach it to the content view.
1795         final WebView subView = t.getSubWebView();
1796         if (subView != null) {
1797             final View container = t.getSubWebViewContainer();
1798             mContentView.addView(container, COVER_SCREEN_PARAMS);
1799             subView.requestFocus();
1800         }
1801     }
1802
1803     // Remove the given tab from the content view.
1804     private void removeTabFromContentView(TabControl.Tab t) {
1805         // Remove the container that contains the main WebView.
1806         mContentView.removeView(t.getContainer());
1807
1808         if (mTabControl.getCurrentErrorConsole(false) != null) {
1809             mErrorConsoleContainer.removeView(mTabControl.getCurrentErrorConsole(false));
1810         }
1811
1812         WebView view = t.getWebView();
1813         if (view != null) {
1814             view.setEmbeddedTitleBar(null);
1815         }
1816
1817         // Remove the sub window if it exists.
1818         if (t.getSubWebView() != null) {
1819             mContentView.removeView(t.getSubWebViewContainer());
1820         }
1821
1822         if (t == mTabControl.getCurrentTab()) {
1823             t.setLockIconType(getLockIconType());
1824             t.setPrevLockIconType(getPrevLockType());
1825         }
1826     }
1827
1828     // Remove the sub window if it exists. Also called by TabControl when the
1829     // user clicks the 'X' to dismiss a sub window.
1830     /* package */ void dismissSubWindow(TabControl.Tab t) {
1831         final WebView mainView = t.getWebView();
1832         if (t.getSubWebView() != null) {
1833             // Remove the container view and request focus on the main WebView.
1834             mContentView.removeView(t.getSubWebViewContainer());
1835             mainView.requestFocus();
1836             // Tell the TabControl to dismiss the subwindow. This will destroy
1837             // the WebView.
1838             mTabControl.dismissSubWindow(t);
1839         }
1840     }
1841
1842     // A wrapper function of {@link #openTabAndShow(UrlData, boolean, String)}
1843     // that accepts url as string.
1844     private TabControl.Tab openTabAndShow(String url, boolean closeOnExit,
1845             String appId) {
1846         return openTabAndShow(new UrlData(url), closeOnExit, appId);
1847     }
1848
1849     // This method does a ton of stuff. It will attempt to create a new tab
1850     // if we haven't reached MAX_TABS. Otherwise it uses the current tab. If
1851     // url isn't null, it will load the given url.
1852     /* package */ TabControl.Tab openTabAndShow(UrlData urlData,
1853             boolean closeOnExit, String appId) {
1854         final boolean newTab = mTabControl.getTabCount() != TabControl.MAX_TABS;
1855         final TabControl.Tab currentTab = mTabControl.getCurrentTab();
1856         if (newTab) {
1857             final TabControl.Tab tab = mTabControl.createNewTab(
1858                     closeOnExit, appId, urlData.mUrl);
1859             WebView webview = tab.getWebView();
1860             // If the last tab was removed from the active tabs page, currentTab
1861             // will be null.
1862             if (currentTab != null) {
1863                 removeTabFromContentView(currentTab);
1864             }
1865             // We must set the new tab as the current tab to reflect the old
1866             // animation behavior.
1867             mTabControl.setCurrentTab(tab);
1868             attachTabToContentView(tab);
1869             if (!urlData.isEmpty()) {
1870                 urlData.loadIn(webview);
1871             }
1872             return tab;
1873         } else {
1874             // Get rid of the subwindow if it exists
1875             dismissSubWindow(currentTab);
1876             if (!urlData.isEmpty()) {
1877                 // Load the given url.
1878                 urlData.loadIn(currentTab.getWebView());
1879             }
1880         }
1881         return currentTab;
1882     }
1883
1884     private TabControl.Tab openTab(String url) {
1885         if (mSettings.openInBackground()) {
1886             TabControl.Tab t = mTabControl.createNewTab();
1887             if (t != null) {
1888                 WebView view = t.getWebView();
1889                 view.loadUrl(url);
1890             }
1891             return t;
1892         } else {
1893             return openTabAndShow(url, false, null);
1894         }
1895     }
1896
1897     private class Copy implements OnMenuItemClickListener {
1898         private CharSequence mText;
1899
1900         public boolean onMenuItemClick(MenuItem item) {
1901             copy(mText);
1902             return true;
1903         }
1904
1905         public Copy(CharSequence toCopy) {
1906             mText = toCopy;
1907         }
1908     }
1909
1910     private class Download implements OnMenuItemClickListener {
1911         private String mText;
1912
1913         public boolean onMenuItemClick(MenuItem item) {
1914             onDownloadStartNoStream(mText, null, null, null, -1);
1915             return true;
1916         }
1917
1918         public Download(String toDownload) {
1919             mText = toDownload;
1920         }
1921     }
1922
1923     private void copy(CharSequence text) {
1924         try {
1925             IClipboard clip = IClipboard.Stub.asInterface(ServiceManager.getService("clipboard"));
1926             if (clip != null) {
1927                 clip.setClipboardText(text);
1928             }
1929         } catch (android.os.RemoteException e) {
1930             Log.e(LOGTAG, "Copy failed", e);
1931         }
1932     }
1933
1934     /**
1935      * Resets the browser title-view to whatever it must be
1936      * (for example, if we had a loading error)
1937      * When we have a new page, we call resetTitle, when we
1938      * have to reset the titlebar to whatever it used to be
1939      * (for example, if the user chose to stop loading), we
1940      * call resetTitleAndRevertLockIcon.
1941      */
1942     /* package */ void resetTitleAndRevertLockIcon() {
1943         revertLockIcon();
1944         resetTitleIconAndProgress();
1945     }
1946
1947     /**
1948      * Reset the title, favicon, and progress.
1949      */
1950     private void resetTitleIconAndProgress() {
1951         WebView current = mTabControl.getCurrentWebView();
1952         if (current == null) {
1953             return;
1954         }
1955         resetTitleAndIcon(current);
1956         int progress = current.getProgress();
1957         mWebChromeClient.onProgressChanged(current, progress);
1958     }
1959
1960     // Reset the title and the icon based on the given item.
1961     private void resetTitleAndIcon(WebView view) {
1962         WebHistoryItem item = view.copyBackForwardList().getCurrentItem();
1963         if (item != null) {
1964             setUrlTitle(item.getUrl(), item.getTitle());
1965             setFavicon(item.getFavicon());
1966         } else {
1967             setUrlTitle(null, null);
1968             setFavicon(null);
1969         }
1970     }
1971
1972     /**
1973      * Sets a title composed of the URL and the title string.
1974      * @param url The URL of the site being loaded.
1975      * @param title The title of the site being loaded.
1976      */
1977     private void setUrlTitle(String url, String title) {
1978         mUrl = url;
1979         mTitle = title;
1980
1981         mTitleBar.setTitleAndUrl(title, url);
1982         if (mFakeTitleBar != null) {
1983             mFakeTitleBar.setTitleAndUrl(title, url);
1984         }
1985     }
1986
1987     /**
1988      * @param url The URL to build a title version of the URL from.
1989      * @return The title version of the URL or null if fails.
1990      * The title version of the URL can be either the URL hostname,
1991      * or the hostname with an "https://" prefix (for secure URLs),
1992      * or an empty string if, for example, the URL in question is a
1993      * file:// URL with no hostname.
1994      */
1995     /* package */ static String buildTitleUrl(String url) {
1996         String titleUrl = null;
1997
1998         if (url != null) {
1999             try {
2000                 // parse the url string
2001                 URL urlObj = new URL(url);
2002                 if (urlObj != null) {
2003                     titleUrl = "";
2004
2005                     String protocol = urlObj.getProtocol();
2006                     String host = urlObj.getHost();
2007
2008                     if (host != null && 0 < host.length()) {
2009                         titleUrl = host;
2010                         if (protocol != null) {
2011                             // if a secure site, add an "https://" prefix!
2012                             if (protocol.equalsIgnoreCase("https")) {
2013                                 titleUrl = protocol + "://" + host;
2014                             }
2015                         }
2016                     }
2017                 }
2018             } catch (MalformedURLException e) {}
2019         }
2020
2021         return titleUrl;
2022     }
2023
2024     // Set the favicon in the title bar.
2025     private void setFavicon(Bitmap icon) {
2026         mTitleBar.setFavicon(icon);
2027         if (mFakeTitleBar != null) {
2028             mFakeTitleBar.setFavicon(icon);
2029         }
2030     }
2031
2032     /**
2033      * Saves the current lock-icon state before resetting
2034      * the lock icon. If we have an error, we may need to
2035      * roll back to the previous state.
2036      */
2037     private void saveLockIcon() {
2038         mPrevLockType = mLockIconType;
2039     }
2040
2041     /**
2042      * Reverts the lock-icon state to the last saved state,
2043      * for example, if we had an error, and need to cancel
2044      * the load.
2045      */
2046     private void revertLockIcon() {
2047         mLockIconType = mPrevLockType;
2048
2049         if (LOGV_ENABLED) {
2050             Log.v(LOGTAG, "BrowserActivity.revertLockIcon:" +
2051                   " revert lock icon to " + mLockIconType);
2052         }
2053
2054         updateLockIconToLatest();
2055     }
2056
2057     /**
2058      * Close the tab, remove its associated title bar, and adjust mTabControl's
2059      * current tab to a valid value.
2060      */
2061     /* package */ void closeTab(TabControl.Tab t) {
2062         int currentIndex = mTabControl.getCurrentIndex();
2063         int removeIndex = mTabControl.getTabIndex(t);
2064         mTabControl.removeTab(t);
2065         if (currentIndex >= removeIndex && currentIndex != 0) {
2066             currentIndex--;
2067         }
2068         mTabControl.setCurrentTab(mTabControl.getTab(currentIndex));
2069     }
2070
2071     private void goBackOnePageOrQuit() {
2072         TabControl.Tab current = mTabControl.getCurrentTab();
2073         if (current == null) {
2074             /*
2075              * Instead of finishing the activity, simply push this to the back
2076              * of the stack and let ActivityManager to choose the foreground
2077              * activity. As BrowserActivity is singleTask, it will be always the
2078              * root of the task. So we can use either true or false for
2079              * moveTaskToBack().
2080              */
2081             moveTaskToBack(true);
2082         }
2083         WebView w = current.getWebView();
2084         if (w.canGoBack()) {
2085             w.goBack();
2086         } else {
2087             // Check to see if we are closing a window that was created by
2088             // another window. If so, we switch back to that window.
2089             TabControl.Tab parent = current.getParentTab();
2090             if (parent != null) {
2091                 switchToTab(mTabControl.getTabIndex(parent));
2092                 // Now we close the other tab
2093                 closeTab(current);
2094             } else {
2095                 if (current.closeOnExit()) {
2096                     // force mPageStarted to be false as we are going to either
2097                     // finish the activity or remove the tab. This will ensure
2098                     // pauseWebView() taking action.
2099                     mPageStarted = false;
2100                     if (mTabControl.getTabCount() == 1) {
2101                         finish();
2102                         return;
2103                     }
2104                     // call pauseWebViewTimers() now, we won't be able to call
2105                     // it in onPause() as the WebView won't be valid.
2106                     // Temporarily change mActivityInPause to be true as
2107                     // pauseWebViewTimers() will do nothing if mActivityInPause
2108                     // is false.
2109                     boolean savedState = mActivityInPause;
2110                     if (savedState) {
2111                         Log.e(LOGTAG, "BrowserActivity is already paused "
2112                                 + "while handing goBackOnePageOrQuit.");
2113                     }
2114                     mActivityInPause = true;
2115                     pauseWebViewTimers();
2116                     mActivityInPause = savedState;
2117                     removeTabFromContentView(current);
2118                     mTabControl.removeTab(current);
2119                 }
2120                 /*
2121                  * Instead of finishing the activity, simply push this to the back
2122                  * of the stack and let ActivityManager to choose the foreground
2123                  * activity. As BrowserActivity is singleTask, it will be always the
2124                  * root of the task. So we can use either true or false for
2125                  * moveTaskToBack().
2126                  */
2127                 moveTaskToBack(true);
2128             }
2129         }
2130     }
2131
2132     public KeyTracker.State onKeyTracker(int keyCode,
2133                                          KeyEvent event,
2134                                          KeyTracker.Stage stage,
2135                                          int duration) {
2136         // if onKeyTracker() is called after activity onStop()
2137         // because of accumulated key events,
2138         // we should ignore it as browser is not active any more.
2139         WebView topWindow = getTopWindow();
2140         if (topWindow == null && mCustomView == null)
2141             return KeyTracker.State.NOT_TRACKING;
2142
2143         if (keyCode == KeyEvent.KEYCODE_BACK) {
2144             // Check if a custom view is currently showing and, if it is, hide it.
2145             if (mCustomView != null) {
2146                 mWebChromeClient.onHideCustomView();
2147                 return KeyTracker.State.DONE_TRACKING;
2148             }
2149             if (stage == KeyTracker.Stage.LONG_REPEAT) {
2150                 bookmarksOrHistoryPicker(true);
2151                 return KeyTracker.State.DONE_TRACKING;
2152             } else if (stage == KeyTracker.Stage.UP) {
2153                 // FIXME: Currently, we do not have a notion of the
2154                 // history picker for the subwindow, but maybe we
2155                 // should?
2156                 WebView subwindow = mTabControl.getCurrentSubWindow();
2157                 if (subwindow != null) {
2158                     if (subwindow.canGoBack()) {
2159                         subwindow.goBack();
2160                     } else {
2161                         dismissSubWindow(mTabControl.getCurrentTab());
2162                     }
2163                 } else {
2164                     goBackOnePageOrQuit();
2165                 }
2166                 return KeyTracker.State.DONE_TRACKING;
2167             }
2168             return KeyTracker.State.KEEP_TRACKING;
2169         }
2170         return KeyTracker.State.NOT_TRACKING;
2171     }
2172
2173     @Override public boolean onKeyDown(int keyCode, KeyEvent event) {
2174         if (keyCode == KeyEvent.KEYCODE_MENU) {
2175             mMenuIsDown = true;
2176         } else if (mMenuIsDown) {
2177             // The default key mode is DEFAULT_KEYS_SEARCH_LOCAL. As the MENU is
2178             // still down, we don't want to trigger the search. Pretend to
2179             // consume the key and do nothing.
2180             return true;
2181         }
2182         boolean handled =  mKeyTracker.doKeyDown(keyCode, event);
2183         if (!handled) {
2184             switch (keyCode) {
2185                 case KeyEvent.KEYCODE_SPACE:
2186                     if (event.isShiftPressed()) {
2187                         getTopWindow().pageUp(false);
2188                     } else {
2189                         getTopWindow().pageDown(false);
2190                     }
2191                     handled = true;
2192                     break;
2193
2194                 default:
2195                     break;
2196             }
2197         }
2198         return handled || super.onKeyDown(keyCode, event);
2199     }
2200
2201     @Override public boolean onKeyUp(int keyCode, KeyEvent event) {
2202         if (keyCode == KeyEvent.KEYCODE_MENU) {
2203             mMenuIsDown = false;
2204         }
2205         return mKeyTracker.doKeyUp(keyCode, event) || super.onKeyUp(keyCode, event);
2206     }
2207
2208     /* package */ void stopLoading() {
2209         resetTitleAndRevertLockIcon();
2210         WebView w = getTopWindow();
2211         w.stopLoading();
2212         mWebViewClient.onPageFinished(w, w.getUrl());
2213
2214         cancelStopToast();
2215         mStopToast = Toast
2216                 .makeText(this, R.string.stopping, Toast.LENGTH_SHORT);
2217         mStopToast.show();
2218     }
2219
2220     private void cancelStopToast() {
2221         if (mStopToast != null) {
2222             mStopToast.cancel();
2223             mStopToast = null;
2224         }
2225     }
2226
2227     // called by a non-UI thread to post the message
2228     public void postMessage(int what, int arg1, int arg2, Object obj) {
2229         mHandler.sendMessage(mHandler.obtainMessage(what, arg1, arg2, obj));
2230     }
2231
2232     // public message ids
2233     public final static int LOAD_URL                = 1001;
2234     public final static int STOP_LOAD               = 1002;
2235
2236     // Message Ids
2237     private static final int FOCUS_NODE_HREF         = 102;
2238     private static final int CANCEL_CREDS_REQUEST    = 103;
2239     private static final int RELEASE_WAKELOCK        = 107;
2240
2241     // Private handler for handling javascript and saving passwords
2242     private Handler mHandler = new Handler() {
2243
2244         public void handleMessage(Message msg) {
2245             switch (msg.what) {
2246                 case FOCUS_NODE_HREF:
2247                     String url = (String) msg.getData().get("url");
2248                     if (url == null || url.length() == 0) {
2249                         break;
2250                     }
2251                     HashMap focusNodeMap = (HashMap) msg.obj;
2252                     WebView view = (WebView) focusNodeMap.get("webview");
2253                     // Only apply the action if the top window did not change.
2254                     if (getTopWindow() != view) {
2255                         break;
2256                     }
2257                     switch (msg.arg1) {
2258                         case R.id.open_context_menu_id:
2259                         case R.id.view_image_context_menu_id:
2260                             loadURL(getTopWindow(), url);
2261                             break;
2262                         case R.id.open_newtab_context_menu_id:
2263                             final TabControl.Tab parent = mTabControl
2264                                     .getCurrentTab();
2265                             final TabControl.Tab newTab = openTab(url);
2266                             if (newTab != parent) {
2267                                 parent.addChildTab(newTab);
2268                             }
2269                             break;
2270                         case R.id.bookmark_context_menu_id:
2271                             Intent intent = new Intent(BrowserActivity.this,
2272                                     AddBookmarkPage.class);
2273                             intent.putExtra("url", url);
2274                             startActivity(intent);
2275                             break;
2276                         case R.id.share_link_context_menu_id:
2277                             Browser.sendString(BrowserActivity.this, url);
2278                             break;
2279                         case R.id.copy_link_context_menu_id:
2280                             copy(url);
2281                             break;
2282                         case R.id.save_link_context_menu_id:
2283                         case R.id.download_context_menu_id:
2284                             onDownloadStartNoStream(url, null, null, null, -1);
2285                             break;
2286                     }
2287                     break;
2288
2289                 case LOAD_URL:
2290                     loadURL(getTopWindow(), (String) msg.obj);
2291                     break;
2292
2293                 case STOP_LOAD:
2294                     stopLoading();
2295                     break;
2296
2297                 case CANCEL_CREDS_REQUEST:
2298                     resumeAfterCredentials();
2299                     break;
2300
2301                 case RELEASE_WAKELOCK:
2302                     if (mWakeLock.isHeld()) {
2303                         mWakeLock.release();
2304                     }
2305                     break;
2306             }
2307         }
2308     };
2309
2310     private void updateScreenshot(WebView view) {
2311         // If this is a bookmarked site, add a screenshot to the database.
2312         // FIXME: When should we update?  Every time?
2313         // FIXME: Would like to make sure there is actually something to
2314         // draw, but the API for that (WebViewCore.pictureReady()) is not
2315         // currently accessible here.
2316         ContentResolver cr = getContentResolver();
2317         final Cursor c = BrowserBookmarksAdapter.queryBookmarksForUrl(
2318                 cr, view.getOriginalUrl(), view.getUrl(), false);
2319         if (c != null) {
2320             boolean succeed = c.moveToFirst();
2321             ContentValues values = null;
2322             while (succeed) {
2323                 if (values == null) {
2324                     final ByteArrayOutputStream os
2325                             = new ByteArrayOutputStream();
2326                     Picture thumbnail = view.capturePicture();
2327                     // Keep width and height in sync with BrowserBookmarksPage
2328                     // and bookmark_thumb
2329                     Bitmap bm = Bitmap.createBitmap(100, 80,
2330                             Bitmap.Config.ARGB_4444);
2331                     Canvas canvas = new Canvas(bm);
2332                     // May need to tweak these values to determine what is the
2333                     // best scale factor
2334                     canvas.scale(.5f, .5f);
2335                     thumbnail.draw(canvas);
2336                     bm.compress(Bitmap.CompressFormat.PNG, 100, os);
2337                     values = new ContentValues();
2338                     values.put(Browser.BookmarkColumns.THUMBNAIL,
2339                             os.toByteArray());
2340                 }
2341                 cr.update(ContentUris.withAppendedId(Browser.BOOKMARKS_URI,
2342                         c.getInt(0)), values, null, null);
2343                 succeed = c.moveToNext();
2344             }
2345             c.close();
2346         }
2347     }
2348
2349     // -------------------------------------------------------------------------
2350     // WebViewClient implementation.
2351     //-------------------------------------------------------------------------
2352
2353     // Use in overrideUrlLoading
2354     /* package */ final static String SCHEME_WTAI = "wtai://wp/";
2355     /* package */ final static String SCHEME_WTAI_MC = "wtai://wp/mc;";
2356     /* package */ final static String SCHEME_WTAI_SD = "wtai://wp/sd;";
2357     /* package */ final static String SCHEME_WTAI_AP = "wtai://wp/ap;";
2358
2359     /* package */ WebViewClient getWebViewClient() {
2360         return mWebViewClient;
2361     }
2362
2363     private void updateIcon(WebView view, Bitmap icon) {
2364         if (icon != null) {
2365             BrowserBookmarksAdapter.updateBookmarkFavicon(mResolver,
2366                     view, icon);
2367         }
2368         setFavicon(icon);
2369     }
2370
2371     private final WebViewClient mWebViewClient = new WebViewClient() {
2372         @Override
2373         public void onPageStarted(WebView view, String url, Bitmap favicon) {
2374             resetLockIcon(url);
2375             setUrlTitle(url, null);
2376
2377             ErrorConsoleView errorConsole = mTabControl.getCurrentErrorConsole(false);
2378             if (errorConsole != null) {
2379                 errorConsole.clearErrorMessages();
2380                 if (mShouldShowErrorConsole) {
2381                     errorConsole.showConsole(ErrorConsoleView.SHOW_NONE);
2382                 }
2383             }
2384
2385             // Call updateIcon instead of setFavicon so the bookmark
2386             // database can be updated.
2387             updateIcon(view, favicon);
2388
2389             if (mSettings.isTracing()) {
2390                 String host;
2391                 try {
2392                     WebAddress uri = new WebAddress(url);
2393                     host = uri.mHost;
2394                 } catch (android.net.ParseException ex) {
2395                     host = "browser";
2396                 }
2397                 host = host.replace('.', '_');
2398                 host += ".trace";
2399                 mInTrace = true;
2400                 Debug.startMethodTracing(host, 20 * 1024 * 1024);
2401             }
2402
2403             // Performance probe
2404             if (false) {
2405                 mStart = SystemClock.uptimeMillis();
2406                 mProcessStart = Process.getElapsedCpuTime();
2407                 long[] sysCpu = new long[7];
2408                 if (Process.readProcFile("/proc/stat", SYSTEM_CPU_FORMAT, null,
2409                         sysCpu, null)) {
2410                     mUserStart = sysCpu[0] + sysCpu[1];
2411                     mSystemStart = sysCpu[2];
2412                     mIdleStart = sysCpu[3];
2413                     mIrqStart = sysCpu[4] + sysCpu[5] + sysCpu[6];
2414                 }
2415                 mUiStart = SystemClock.currentThreadTimeMillis();
2416             }
2417
2418             if (!mPageStarted) {
2419                 mPageStarted = true;
2420                 // if onResume() has been called, resumeWebViewTimers() does
2421                 // nothing.
2422                 resumeWebViewTimers();
2423             }
2424
2425             // reset sync timer to avoid sync starts during loading a page
2426             CookieSyncManager.getInstance().resetSync();
2427
2428             mInLoad = true;
2429             WebView currentWebView = mTabControl.getCurrentWebView();
2430             if (currentWebView == null || currentWebView.getScrollY() != 0) {
2431                 // This page has begun to load, so show the title bar
2432                 showFakeTitleBar();
2433             }
2434             updateInLoadMenuItems();
2435             if (!mIsNetworkUp) {
2436                 createAndShowNetworkDialog();
2437                 if (view != null) {
2438                     view.setNetworkAvailable(false);
2439                 }
2440             }
2441         }
2442
2443         @Override
2444         public void onPageFinished(WebView view, String url) {
2445             // Reset the title and icon in case we stopped a provisional
2446             // load.
2447             resetTitleAndIcon(view);
2448
2449             // Update the lock icon image only once we are done loading
2450             updateLockIconToLatest();
2451             updateScreenshot(view);
2452
2453             // Performance probe
2454             if (false) {
2455                 long[] sysCpu = new long[7];
2456                 if (Process.readProcFile("/proc/stat", SYSTEM_CPU_FORMAT, null,
2457                         sysCpu, null)) {
2458                     String uiInfo = "UI thread used "
2459                             + (SystemClock.currentThreadTimeMillis() - mUiStart)
2460                             + " ms";
2461                     if (LOGD_ENABLED) {
2462                         Log.d(LOGTAG, uiInfo);
2463                     }
2464                     //The string that gets written to the log
2465                     String performanceString = "It took total "
2466                             + (SystemClock.uptimeMillis() - mStart)
2467                             + " ms clock time to load the page."
2468                             + "\nbrowser process used "
2469                             + (Process.getElapsedCpuTime() - mProcessStart)
2470                             + " ms, user processes used "
2471                             + (sysCpu[0] + sysCpu[1] - mUserStart) * 10
2472                             + " ms, kernel used "
2473                             + (sysCpu[2] - mSystemStart) * 10
2474                             + " ms, idle took " + (sysCpu[3] - mIdleStart) * 10
2475                             + " ms and irq took "
2476                             + (sysCpu[4] + sysCpu[5] + sysCpu[6] - mIrqStart)
2477                             * 10 + " ms, " + uiInfo;
2478                     if (LOGD_ENABLED) {
2479                         Log.d(LOGTAG, performanceString + "\nWebpage: " + url);
2480                     }
2481                     if (url != null) {
2482                         // strip the url to maintain consistency
2483                         String newUrl = new String(url);
2484                         if (newUrl.startsWith("http://www.")) {
2485                             newUrl = newUrl.substring(11);
2486                         } else if (newUrl.startsWith("http://")) {
2487                             newUrl = newUrl.substring(7);
2488                         } else if (newUrl.startsWith("https://www.")) {
2489                             newUrl = newUrl.substring(12);
2490                         } else if (newUrl.startsWith("https://")) {
2491                             newUrl = newUrl.substring(8);
2492                         }
2493                         if (LOGD_ENABLED) {
2494                             Log.d(LOGTAG, newUrl + " loaded");
2495                         }
2496                         /*
2497                         if (sWhiteList.contains(newUrl)) {
2498                             // The string that gets pushed to the statistcs
2499                             // service
2500                             performanceString = performanceString
2501                                     + "\nWebpage: "
2502                                     + newUrl
2503                                     + "\nCarrier: "
2504                                     + android.os.SystemProperties
2505                                             .get("gsm.sim.operator.alpha");
2506                             if (mWebView != null
2507                                     && mWebView.getContext() != null
2508                                     && mWebView.getContext().getSystemService(
2509                                     Context.CONNECTIVITY_SERVICE) != null) {
2510                                 ConnectivityManager cManager =
2511                                         (ConnectivityManager) mWebView
2512                                         .getContext().getSystemService(
2513                                         Context.CONNECTIVITY_SERVICE);
2514                                 NetworkInfo nInfo = cManager
2515                                         .getActiveNetworkInfo();
2516                                 if (nInfo != null) {
2517                                     performanceString = performanceString
2518                                             + "\nNetwork Type: "
2519                                             + nInfo.getType().toString();
2520                                 }
2521                             }
2522                             Checkin.logEvent(mResolver,
2523                                     Checkin.Events.Tag.WEBPAGE_LOAD,
2524                                     performanceString);
2525                             Log.w(LOGTAG, "pushed to the statistics service");
2526                         }
2527                         */
2528                     }
2529                 }
2530              }
2531
2532             if (mInTrace) {
2533                 mInTrace = false;
2534                 Debug.stopMethodTracing();
2535             }
2536
2537             if (mPageStarted) {
2538                 mPageStarted = false;
2539                 // pauseWebViewTimers() will do nothing and return false if
2540                 // onPause() is not called yet.
2541                 if (pauseWebViewTimers()) {
2542                     if (mWakeLock.isHeld()) {
2543                         mHandler.removeMessages(RELEASE_WAKELOCK);
2544                         mWakeLock.release();
2545                     }
2546                 }
2547             }
2548         }
2549
2550         // return true if want to hijack the url to let another app to handle it
2551         @Override
2552         public boolean shouldOverrideUrlLoading(WebView view, String url) {
2553             if (url.startsWith(SCHEME_WTAI)) {
2554                 // wtai://wp/mc;number
2555                 // number=string(phone-number)
2556                 if (url.startsWith(SCHEME_WTAI_MC)) {
2557                     Intent intent = new Intent(Intent.ACTION_VIEW,
2558                             Uri.parse(WebView.SCHEME_TEL +
2559                             url.substring(SCHEME_WTAI_MC.length())));
2560                     startActivity(intent);
2561                     return true;
2562                 }
2563                 // wtai://wp/sd;dtmf
2564                 // dtmf=string(dialstring)
2565                 if (url.startsWith(SCHEME_WTAI_SD)) {
2566                     // TODO
2567                     // only send when there is active voice connection
2568                     return false;
2569                 }
2570                 // wtai://wp/ap;number;name
2571                 // number=string(phone-number)
2572                 // name=string
2573                 if (url.startsWith(SCHEME_WTAI_AP)) {
2574                     // TODO
2575                     return false;
2576                 }
2577             }
2578
2579             // The "about:" schemes are internal to the browser; don't
2580             // want these to be dispatched to other apps.
2581             if (url.startsWith("about:")) {
2582                 return false;
2583             }
2584
2585             Intent intent;
2586
2587             // perform generic parsing of the URI to turn it into an Intent.
2588             try {
2589                 intent = Intent.parseUri(url, Intent.URI_INTENT_SCHEME);
2590             } catch (URISyntaxException ex) {
2591                 Log.w("Browser", "Bad URI " + url + ": " + ex.getMessage());
2592                 return false;
2593             }
2594
2595             // check whether the intent can be resolved. If not, we will see
2596             // whether we can download it from the Market.
2597             if (getPackageManager().resolveActivity(intent, 0) == null) {
2598                 String packagename = intent.getPackage();
2599                 if (packagename != null) {
2600                     intent = new Intent(Intent.ACTION_VIEW, Uri
2601                             .parse("market://search?q=pname:" + packagename));
2602                     intent.addCategory(Intent.CATEGORY_BROWSABLE);
2603                     startActivity(intent);
2604                     return true;
2605                 } else {
2606                     return false;
2607                 }
2608             }
2609
2610             // sanitize the Intent, ensuring web pages can not bypass browser
2611             // security (only access to BROWSABLE activities).
2612             intent.addCategory(Intent.CATEGORY_BROWSABLE);
2613             intent.setComponent(null);
2614             try {
2615                 if (startActivityIfNeeded(intent, -1)) {
2616                     return true;
2617                 }
2618             } catch (ActivityNotFoundException ex) {
2619                 // ignore the error. If no application can handle the URL,
2620                 // eg about:blank, assume the browser can handle it.
2621             }
2622
2623             if (mMenuIsDown) {
2624                 openTab(url);
2625                 closeOptionsMenu();
2626                 return true;
2627             }
2628
2629             return false;
2630         }
2631
2632         /**
2633          * Updates the lock icon. This method is called when we discover another
2634          * resource to be loaded for this page (for example, javascript). While
2635          * we update the icon type, we do not update the lock icon itself until
2636          * we are done loading, it is slightly more secure this way.
2637          */
2638         @Override
2639         public void onLoadResource(WebView view, String url) {
2640             if (url != null && url.length() > 0) {
2641                 // It is only if the page claims to be secure
2642                 // that we may have to update the lock:
2643                 if (mLockIconType == LOCK_ICON_SECURE) {
2644                     // If NOT a 'safe' url, change the lock to mixed content!
2645                     if (!(URLUtil.isHttpsUrl(url) || URLUtil.isDataUrl(url) || URLUtil.isAboutUrl(url))) {
2646                         mLockIconType = LOCK_ICON_MIXED;
2647                         if (LOGV_ENABLED) {
2648                             Log.v(LOGTAG, "BrowserActivity.updateLockIcon:" +
2649                                   " updated lock icon to " + mLockIconType + " due to " + url);
2650                         }
2651                     }
2652                 }
2653             }
2654         }
2655
2656         /**
2657          * Show the dialog, asking the user if they would like to continue after
2658          * an excessive number of HTTP redirects.
2659          */
2660         @Override
2661         public void onTooManyRedirects(WebView view, final Message cancelMsg,
2662                 final Message continueMsg) {
2663             new AlertDialog.Builder(BrowserActivity.this)
2664                 .setTitle(R.string.browserFrameRedirect)
2665                 .setMessage(R.string.browserFrame307Post)
2666                 .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
2667                     public void onClick(DialogInterface dialog, int which) {
2668                         continueMsg.sendToTarget();
2669                     }})
2670                 .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
2671                     public void onClick(DialogInterface dialog, int which) {
2672                         cancelMsg.sendToTarget();
2673                     }})
2674                 .setOnCancelListener(new OnCancelListener() {
2675                     public void onCancel(DialogInterface dialog) {
2676                         cancelMsg.sendToTarget();
2677                     }})
2678                 .show();
2679         }
2680
2681         // Container class for the next error dialog that needs to be
2682         // displayed.
2683         class ErrorDialog {
2684             public final int mTitle;
2685             public final String mDescription;
2686             public final int mError;
2687             ErrorDialog(int title, String desc, int error) {
2688                 mTitle = title;
2689                 mDescription = desc;
2690                 mError = error;
2691             }
2692         };
2693
2694         private void processNextError() {
2695             if (mQueuedErrors == null) {
2696                 return;
2697             }
2698             // The first one is currently displayed so just remove it.
2699             mQueuedErrors.removeFirst();
2700             if (mQueuedErrors.size() == 0) {
2701                 mQueuedErrors = null;
2702                 return;
2703             }
2704             showError(mQueuedErrors.getFirst());
2705         }
2706
2707         private DialogInterface.OnDismissListener mDialogListener =
2708                 new DialogInterface.OnDismissListener() {
2709                     public void onDismiss(DialogInterface d) {
2710                         processNextError();
2711                     }
2712                 };
2713         private LinkedList<ErrorDialog> mQueuedErrors;
2714
2715         private void queueError(int err, String desc) {
2716             if (mQueuedErrors == null) {
2717                 mQueuedErrors = new LinkedList<ErrorDialog>();
2718             }
2719             for (ErrorDialog d : mQueuedErrors) {
2720                 if (d.mError == err) {
2721                     // Already saw a similar error, ignore the new one.
2722                     return;
2723                 }
2724             }
2725             ErrorDialog errDialog = new ErrorDialog(
2726                     err == WebViewClient.ERROR_FILE_NOT_FOUND ?
2727                     R.string.browserFrameFileErrorLabel :
2728                     R.string.browserFrameNetworkErrorLabel,
2729                     desc, err);
2730             mQueuedErrors.addLast(errDialog);
2731
2732             // Show the dialog now if the queue was empty.
2733             if (mQueuedErrors.size() == 1) {
2734                 showError(errDialog);
2735             }
2736         }
2737
2738         private void showError(ErrorDialog errDialog) {
2739             AlertDialog d = new AlertDialog.Builder(BrowserActivity.this)
2740                     .setTitle(errDialog.mTitle)
2741                     .setMessage(errDialog.mDescription)
2742                     .setPositiveButton(R.string.ok, null)
2743                     .create();
2744             d.setOnDismissListener(mDialogListener);
2745             d.show();
2746         }
2747
2748         /**
2749          * Show a dialog informing the user of the network error reported by
2750          * WebCore.
2751          */
2752         @Override
2753         public void onReceivedError(WebView view, int errorCode,
2754                 String description, String failingUrl) {
2755             if (errorCode != WebViewClient.ERROR_HOST_LOOKUP &&
2756                     errorCode != WebViewClient.ERROR_CONNECT &&
2757                     errorCode != WebViewClient.ERROR_BAD_URL &&
2758                     errorCode != WebViewClient.ERROR_UNSUPPORTED_SCHEME &&
2759                     errorCode != WebViewClient.ERROR_FILE) {
2760                 queueError(errorCode, description);
2761             }
2762             Log.e(LOGTAG, "onReceivedError " + errorCode + " " + failingUrl
2763                     + " " + description);
2764
2765             // We need to reset the title after an error.
2766             resetTitleAndRevertLockIcon();
2767         }
2768
2769         /**
2770          * Check with the user if it is ok to resend POST data as the page they
2771          * are trying to navigate to is the result of a POST.
2772          */
2773         @Override
2774         public void onFormResubmission(WebView view, final Message dontResend,
2775                                        final Message resend) {
2776             new AlertDialog.Builder(BrowserActivity.this)
2777                 .setTitle(R.string.browserFrameFormResubmitLabel)
2778                 .setMessage(R.string.browserFrameFormResubmitMessage)
2779                 .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
2780                     public void onClick(DialogInterface dialog, int which) {
2781                         resend.sendToTarget();
2782                     }})
2783                 .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
2784                     public void onClick(DialogInterface dialog, int which) {
2785                         dontResend.sendToTarget();
2786                     }})
2787                 .setOnCancelListener(new OnCancelListener() {
2788                     public void onCancel(DialogInterface dialog) {
2789                         dontResend.sendToTarget();
2790                     }})
2791                 .show();
2792         }
2793
2794         /**
2795          * Insert the url into the visited history database.
2796          * @param url The url to be inserted.
2797          * @param isReload True if this url is being reloaded.
2798          * FIXME: Not sure what to do when reloading the page.
2799          */
2800         @Override
2801         public void doUpdateVisitedHistory(WebView view, String url,
2802                 boolean isReload) {
2803             if (url.regionMatches(true, 0, "about:", 0, 6)) {
2804                 return;
2805             }
2806             // remove "client" before updating it to the history so that it wont
2807             // show up in the auto-complete list.
2808             int index = url.indexOf("client=ms-");
2809             if (index > 0 && url.contains(".google.")) {
2810                 int end = url.indexOf('&', index);
2811                 if (end > 0) {
2812                     url = url.substring(0, index-1).concat(url.substring(end));
2813                 } else {
2814                     url = url.substring(0, index-1);
2815                 }
2816             }
2817             Browser.updateVisitedHistory(mResolver, url, true);
2818             WebIconDatabase.getInstance().retainIconForPageUrl(url);
2819         }
2820
2821         /**
2822          * Displays SSL error(s) dialog to the user.
2823          */
2824         @Override
2825         public void onReceivedSslError(
2826             final WebView view, final SslErrorHandler handler, final SslError error) {
2827
2828             if (mSettings.showSecurityWarnings()) {
2829                 final LayoutInflater factory =
2830                     LayoutInflater.from(BrowserActivity.this);
2831                 final View warningsView =
2832                     factory.inflate(R.layout.ssl_warnings, null);
2833                 final LinearLayout placeholder =
2834                     (LinearLayout)warningsView.findViewById(R.id.placeholder);
2835
2836                 if (error.hasError(SslError.SSL_UNTRUSTED)) {
2837                     LinearLayout ll = (LinearLayout)factory
2838                         .inflate(R.layout.ssl_warning, null);
2839                     ((TextView)ll.findViewById(R.id.warning))
2840                         .setText(R.string.ssl_untrusted);
2841                     placeholder.addView(ll);
2842                 }
2843
2844                 if (error.hasError(SslError.SSL_IDMISMATCH)) {
2845                     LinearLayout ll = (LinearLayout)factory
2846                         .inflate(R.layout.ssl_warning, null);
2847                     ((TextView)ll.findViewById(R.id.warning))
2848                         .setText(R.string.ssl_mismatch);
2849                     placeholder.addView(ll);
2850                 }
2851
2852                 if (error.hasError(SslError.SSL_EXPIRED)) {
2853                     LinearLayout ll = (LinearLayout)factory
2854                         .inflate(R.layout.ssl_warning, null);
2855                     ((TextView)ll.findViewById(R.id.warning))
2856                         .setText(R.string.ssl_expired);
2857                     placeholder.addView(ll);
2858                 }
2859
2860                 if (error.hasError(SslError.SSL_NOTYETVALID)) {
2861                     LinearLayout ll = (LinearLayout)factory
2862                         .inflate(R.layout.ssl_warning, null);
2863                     ((TextView)ll.findViewById(R.id.warning))
2864                         .setText(R.string.ssl_not_yet_valid);
2865                     placeholder.addView(ll);
2866                 }
2867
2868                 new AlertDialog.Builder(BrowserActivity.this)
2869                     .setTitle(R.string.security_warning)
2870                     .setIcon(android.R.drawable.ic_dialog_alert)
2871                     .setView(warningsView)
2872                     .setPositiveButton(R.string.ssl_continue,
2873                             new DialogInterface.OnClickListener() {
2874                                 public void onClick(DialogInterface dialog, int whichButton) {
2875                                     handler.proceed();
2876                                 }
2877                             })
2878                     .setNeutralButton(R.string.view_certificate,
2879                             new DialogInterface.OnClickListener() {
2880                                 public void onClick(DialogInterface dialog, int whichButton) {
2881                                     showSSLCertificateOnError(view, handler, error);
2882                                 }
2883                             })
2884                     .setNegativeButton(R.string.cancel,
2885                             new DialogInterface.OnClickListener() {
2886                                 public void onClick(DialogInterface dialog, int whichButton) {
2887                                     handler.cancel();
2888                                     BrowserActivity.this.resetTitleAndRevertLockIcon();
2889                                 }
2890                             })
2891                     .setOnCancelListener(
2892                             new DialogInterface.OnCancelListener() {
2893                                 public void onCancel(DialogInterface dialog) {
2894                                     handler.cancel();
2895                                     BrowserActivity.this.resetTitleAndRevertLockIcon();
2896                                 }
2897                             })
2898                     .show();
2899             } else {
2900                 handler.proceed();
2901             }
2902         }
2903
2904         /**
2905          * Handles an HTTP authentication request.
2906          *
2907          * @param handler The authentication handler
2908          * @param host The host
2909          * @param realm The realm
2910          */
2911         @Override
2912         public void onReceivedHttpAuthRequest(WebView view,
2913                 final HttpAuthHandler handler, final String host, final String realm) {
2914             String username = null;
2915             String password = null;
2916
2917             boolean reuseHttpAuthUsernamePassword =
2918                 handler.useHttpAuthUsernamePassword();
2919
2920             if (reuseHttpAuthUsernamePassword &&
2921                     (mTabControl.getCurrentWebView() != null)) {
2922                 String[] credentials =
2923                         mTabControl.getCurrentWebView()
2924                                 .getHttpAuthUsernamePassword(host, realm);
2925                 if (credentials != null && credentials.length == 2) {
2926                     username = credentials[0];
2927                     password = credentials[1];
2928                 }
2929             }
2930
2931             if (username != null && password != null) {
2932                 handler.proceed(username, password);
2933             } else {
2934                 showHttpAuthentication(handler, host, realm, null, null, null, 0);
2935             }
2936         }
2937
2938         @Override
2939         public boolean shouldOverrideKeyEvent(WebView view, KeyEvent event) {
2940             if (mMenuIsDown) {
2941                 // only check shortcut key when MENU is held
2942                 return getWindow().isShortcutKey(event.getKeyCode(), event);
2943             } else {
2944                 return false;
2945             }
2946         }
2947
2948         @Override
2949         public void onUnhandledKeyEvent(WebView view, KeyEvent event) {
2950             if (view != mTabControl.getCurrentTopWebView()) {
2951                 return;
2952             }
2953             if (event.isDown()) {
2954                 BrowserActivity.this.onKeyDown(event.getKeyCode(), event);
2955             } else {
2956                 BrowserActivity.this.onKeyUp(event.getKeyCode(), event);
2957             }
2958         }
2959     };
2960
2961     //--------------------------------------------------------------------------
2962     // WebChromeClient implementation
2963     //--------------------------------------------------------------------------
2964
2965     /* package */ WebChromeClient getWebChromeClient() {
2966         return mWebChromeClient;
2967     }
2968
2969     private final WebChromeClient mWebChromeClient = new WebChromeClient() {
2970         // Helper method to create a new tab or sub window.
2971         private void createWindow(final boolean dialog, final Message msg) {
2972             if (dialog) {
2973                 mTabControl.createSubWindow();
2974                 final TabControl.Tab t = mTabControl.getCurrentTab();
2975                 attachSubWindow(t);
2976                 WebView.WebViewTransport transport =
2977                         (WebView.WebViewTransport) msg.obj;
2978                 transport.setWebView(t.getSubWebView());
2979                 msg.sendToTarget();
2980             } else {
2981                 final TabControl.Tab parent = mTabControl.getCurrentTab();
2982                 final TabControl.Tab newTab
2983                         = openTabAndShow(EMPTY_URL_DATA, false, null);
2984                 if (newTab != parent) {
2985                     parent.addChildTab(newTab);
2986                 }
2987                 WebView.WebViewTransport transport =
2988                         (WebView.WebViewTransport) msg.obj;
2989                 transport.setWebView(mTabControl.getCurrentWebView());
2990                 msg.sendToTarget();
2991             }
2992         }
2993
2994         @Override
2995         public boolean onCreateWindow(WebView view, final boolean dialog,
2996                 final boolean userGesture, final Message resultMsg) {
2997             // Short-circuit if we can't create any more tabs or sub windows.
2998             if (dialog && mTabControl.getCurrentSubWindow() != null) {
2999                 new AlertDialog.Builder(BrowserActivity.this)
3000                         .setTitle(R.string.too_many_subwindows_dialog_title)
3001                         .setIcon(android.R.drawable.ic_dialog_alert)
3002                         .setMessage(R.string.too_many_subwindows_dialog_message)
3003                         .setPositiveButton(R.string.ok, null)
3004                         .show();
3005                 return false;
3006             } else if (mTabControl.getTabCount() >= TabControl.MAX_TABS) {
3007                 new AlertDialog.Builder(BrowserActivity.this)
3008                         .setTitle(R.string.too_many_windows_dialog_title)
3009                         .setIcon(android.R.drawable.ic_dialog_alert)
3010                         .setMessage(R.string.too_many_windows_dialog_message)
3011                         .setPositiveButton(R.string.ok, null)
3012                         .show();
3013                 return false;
3014             }
3015
3016             // Short-circuit if this was a user gesture.
3017             if (userGesture) {
3018                 createWindow(dialog, resultMsg);
3019                 return true;
3020             }
3021
3022             // Allow the popup and create the appropriate window.
3023             final AlertDialog.OnClickListener allowListener =
3024                     new AlertDialog.OnClickListener() {
3025                         public void onClick(DialogInterface d,
3026                                 int which) {
3027                             createWindow(dialog, resultMsg);
3028                         }
3029                     };
3030
3031             // Block the popup by returning a null WebView.
3032             final AlertDialog.OnClickListener blockListener =
3033                     new AlertDialog.OnClickListener() {
3034                         public void onClick(DialogInterface d, int which) {
3035                             resultMsg.sendToTarget();
3036                         }
3037                     };
3038
3039             // Build a confirmation dialog to display to the user.
3040             final AlertDialog d =
3041                     new AlertDialog.Builder(BrowserActivity.this)
3042                     .setTitle(R.string.attention)
3043                     .setIcon(android.R.drawable.ic_dialog_alert)
3044                     .setMessage(R.string.popup_window_attempt)
3045                     .setPositiveButton(R.string.allow, allowListener)
3046                     .setNegativeButton(R.string.block, blockListener)
3047                     .setCancelable(false)
3048                     .create();
3049
3050             // Show the confirmation dialog.
3051             d.show();
3052             return true;
3053         }
3054
3055         @Override
3056         public void onCloseWindow(WebView window) {
3057             final TabControl.Tab current = mTabControl.getCurrentTab();
3058             final TabControl.Tab parent = current.getParentTab();
3059             if (parent != null) {
3060                 // JavaScript can only close popup window.
3061                 switchToTab(mTabControl.getTabIndex(parent));
3062                 // Now we need to close the window
3063                 closeTab(current);
3064             }
3065         }
3066
3067         @Override
3068         public void onProgressChanged(WebView view, int newProgress) {
3069             mTitleBar.setProgress(newProgress);
3070             if (mFakeTitleBar != null) {
3071                 mFakeTitleBar.setProgress(newProgress);
3072             }
3073
3074             if (newProgress == 100) {
3075                 // onProgressChanged() is called for sub-frame too while
3076                 // onPageFinished() is only called for the main frame. sync
3077                 // cookie and cache promptly here.
3078                 CookieSyncManager.getInstance().sync();
3079                 if (mInLoad) {
3080                     mInLoad = false;
3081                     updateInLoadMenuItems();
3082                     // If the options menu is open, leave the title bar
3083                     if (!mOptionsMenuOpen || !mIconView) {
3084                         hideFakeTitleBar();
3085                     }
3086                 }
3087             } else if (!mInLoad) {
3088                 // onPageFinished may have already been called but a subframe
3089                 // is still loading and updating the progress. Reset mInLoad
3090                 // and update the menu items.
3091                 mInLoad = true;
3092                 updateInLoadMenuItems();
3093                 WebView currentWebView = mTabControl.getCurrentWebView();
3094                 if ((currentWebView == null || currentWebView.getScrollY() != 0)
3095                         && (!mOptionsMenuOpen || mIconView)) {
3096                     // This page has begun to load, so show the title bar
3097                     showFakeTitleBar();
3098                 }
3099             }
3100         }
3101
3102         @Override
3103         public void onReceivedTitle(WebView view, String title) {
3104             String url = view.getUrl();
3105
3106             // here, if url is null, we want to reset the title
3107             setUrlTitle(url, title);
3108
3109             if (url == null ||
3110                 url.length() >= SQLiteDatabase.SQLITE_MAX_LIKE_PATTERN_LENGTH) {
3111                 return;
3112             }
3113             // See if we can find the current url in our history database and
3114             // add the new title to it.
3115             if (url.startsWith("http://www.")) {
3116                 url = url.substring(11);
3117             } else if (url.startsWith("http://")) {
3118                 url = url.substring(4);
3119             }
3120             try {
3121                 url = "%" + url;
3122                 String [] selArgs = new String[] { url };
3123
3124                 String where = Browser.BookmarkColumns.URL + " LIKE ? AND "
3125                         + Browser.BookmarkColumns.BOOKMARK + " = 0";
3126                 Cursor c = mResolver.query(Browser.BOOKMARKS_URI,
3127                     Browser.HISTORY_PROJECTION, where, selArgs, null);
3128                 if (c.moveToFirst()) {
3129                     // Current implementation of database only has one entry per
3130                     // url.
3131                     ContentValues map = new ContentValues();
3132                     map.put(Browser.BookmarkColumns.TITLE, title);
3133                     mResolver.update(Browser.BOOKMARKS_URI, map,
3134                             "_id = " + c.getInt(0), null);
3135                 }
3136                 c.close();
3137             } catch (IllegalStateException e) {
3138                 Log.e(LOGTAG, "BrowserActivity onReceived title", e);
3139             } catch (SQLiteException ex) {
3140                 Log.e(LOGTAG, "onReceivedTitle() caught SQLiteException: ", ex);
3141             }
3142         }
3143
3144         @Override
3145         public void onReceivedIcon(WebView view, Bitmap icon) {
3146             updateIcon(view, icon);
3147         }
3148
3149         @Override
3150         public void onReceivedTouchIconUrl(WebView view, String url) {
3151             final ContentResolver cr = getContentResolver();
3152             final Cursor c =
3153                     BrowserBookmarksAdapter.queryBookmarksForUrl(cr,
3154                             view.getOriginalUrl(), view.getUrl(), true);
3155             if (c != null) {
3156                 if (c.getCount() > 0) {
3157                     new DownloadTouchIcon(cr, c, view).execute(url);
3158                 } else {
3159                     c.close();
3160                 }
3161             }
3162         }
3163
3164         @Override
3165         public void onShowCustomView(View view, WebChromeClient.CustomViewCallback callback) {
3166             if (mCustomView != null)
3167                 return;
3168
3169             // Add the custom view to its container.
3170             mCustomViewContainer.addView(view, COVER_SCREEN_GRAVITY_CENTER);
3171             mCustomView = view;
3172             mCustomViewCallback = callback;
3173             // Save the menu state and set it to empty while the custom
3174             // view is showing.
3175             mOldMenuState = mMenuState;
3176             mMenuState = EMPTY_MENU;
3177             // Hide the content view.
3178             mContentView.setVisibility(View.GONE);
3179             // Finally show the custom view container.
3180             mCustomViewContainer.setVisibility(View.VISIBLE);
3181             mCustomViewContainer.bringToFront();
3182         }
3183
3184         @Override
3185         public void onHideCustomView() {
3186             if (mCustomView == null)
3187                 return;
3188
3189             // Hide the custom view.
3190             mCustomView.setVisibility(View.GONE);
3191             // Remove the custom view from its container.
3192             mCustomViewContainer.removeView(mCustomView);
3193             mCustomView = null;
3194             // Reset the old menu state.
3195             mMenuState = mOldMenuState;
3196             mOldMenuState = EMPTY_MENU;
3197             mCustomViewContainer.setVisibility(View.GONE);
3198             mCustomViewCallback.onCustomViewHidden();
3199             // Show the content view.
3200             mContentView.setVisibility(View.VISIBLE);
3201         }
3202
3203         /**
3204          * The origin has exceeded its database quota.
3205          * @param url the URL that exceeded the quota
3206          * @param databaseIdentifier the identifier of the database on
3207          *     which the transaction that caused the quota overflow was run
3208          * @param currentQuota the current quota for the origin.
3209          * @param estimatedSize the estimated size of the database.
3210          * @param totalUsedQuota is the sum of all origins' quota.
3211          * @param quotaUpdater The callback to run when a decision to allow or
3212          *     deny quota has been made. Don't forget to call this!
3213          */
3214         @Override
3215         public void onExceededDatabaseQuota(String url,
3216             String databaseIdentifier, long currentQuota, long estimatedSize,
3217             long totalUsedQuota, WebStorage.QuotaUpdater quotaUpdater) {
3218             mSettings.getWebStorageSizeManager().onExceededDatabaseQuota(
3219                     url, databaseIdentifier, currentQuota, estimatedSize,
3220                     totalUsedQuota, quotaUpdater);
3221         }
3222
3223         /**
3224          * The Application Cache has exceeded its max size.
3225          * @param spaceNeeded is the amount of disk space that would be needed
3226          * in order for the last appcache operation to succeed.
3227          * @param totalUsedQuota is the sum of all origins' quota.
3228          * @param quotaUpdater A callback to inform the WebCore thread that a new
3229          * app cache size is available. This callback must always be executed at
3230          * some point to ensure that the sleeping WebCore thread is woken up.
3231          */
3232         @Override
3233         public void onReachedMaxAppCacheSize(long spaceNeeded,
3234                 long totalUsedQuota, WebStorage.QuotaUpdater quotaUpdater) {
3235             mSettings.getWebStorageSizeManager().onReachedMaxAppCacheSize(
3236                     spaceNeeded, totalUsedQuota, quotaUpdater);
3237         }
3238
3239         /**
3240          * Instructs the browser to show a prompt to ask the user to set the
3241          * Geolocation permission state for the specified origin.
3242          * @param origin The origin for which Geolocation permissions are
3243          *     requested.
3244          * @param callback The callback to call once the user has set the
3245          *     Geolocation permission state.
3246          */
3247         @Override
3248         public void onGeolocationPermissionsShowPrompt(String origin,
3249                 GeolocationPermissions.Callback callback) {
3250             mTabControl.getCurrentTab().getGeolocationPermissionsPrompt().show(
3251                     origin, callback);
3252         }
3253
3254         /**
3255          * Instructs the browser to hide the Geolocation permissions prompt.
3256          */
3257         @Override
3258         public void onGeolocationPermissionsHidePrompt() {
3259             mTabControl.getCurrentTab().getGeolocationPermissionsPrompt().hide();
3260         }
3261
3262         /* Adds a JavaScript error message to the system log.
3263          * @param message The error message to report.
3264          * @param lineNumber The line number of the error.
3265          * @param sourceID The name of the source file that caused the error.
3266          */
3267         @Override
3268         public void addMessageToConsole(String message, int lineNumber, String sourceID) {
3269             ErrorConsoleView errorConsole = mTabControl.getCurrentErrorConsole(true);
3270             errorConsole.addErrorMessage(message, sourceID, lineNumber);
3271                 if (mShouldShowErrorConsole &&
3272                         errorConsole.getShowState() != ErrorConsoleView.SHOW_MAXIMIZED) {
3273                     errorConsole.showConsole(ErrorConsoleView.SHOW_MINIMIZED);
3274                 }
3275             Log.w(LOGTAG, "Console: " + message + " " + sourceID + ":" + lineNumber);
3276         }
3277     };
3278
3279     /**
3280      * Notify the host application a download should be done, or that
3281      * the data should be streamed if a streaming viewer is available.
3282      * @param url The full url to the content that should be downloaded
3283      * @param contentDisposition Content-disposition http header, if
3284      *                           present.
3285      * @param mimetype The mimetype of the content reported by the server
3286      * @param contentLength The file size reported by the server
3287      */
3288     public void onDownloadStart(String url, String userAgent,
3289             String contentDisposition, String mimetype, long contentLength) {
3290         // if we're dealing wih A/V content that's not explicitly marked
3291         //     for download, check if it's streamable.
3292         if (contentDisposition == null
3293                 || !contentDisposition.regionMatches(
3294                         true, 0, "attachment", 0, 10)) {
3295             // query the package manager to see if there's a registered handler
3296             //     that matches.
3297             Intent intent = new Intent(Intent.ACTION_VIEW);
3298             intent.setDataAndType(Uri.parse(url), mimetype);
3299             ResolveInfo info = getPackageManager().resolveActivity(intent,
3300                     PackageManager.MATCH_DEFAULT_ONLY);
3301             if (info != null) {
3302                 ComponentName myName = getComponentName();
3303                 // If we resolved to ourselves, we don't want to attempt to
3304                 // load the url only to try and download it again.
3305                 if (!myName.getPackageName().equals(
3306                         info.activityInfo.packageName)
3307                         || !myName.getClassName().equals(
3308                                 info.activityInfo.name)) {
3309                     // someone (other than us) knows how to handle this mime
3310                     // type with this scheme, don't download.
3311                     try {
3312                         startActivity(intent);
3313                         return;
3314                     } catch (ActivityNotFoundException ex) {
3315                         if (LOGD_ENABLED) {
3316                             Log.d(LOGTAG, "activity not found for " + mimetype
3317                                     + " over " + Uri.parse(url).getScheme(),
3318                                     ex);
3319                         }
3320                         // Best behavior is to fall back to a download in this
3321                         // case
3322                     }
3323                 }
3324             }
3325         }
3326         onDownloadStartNoStream(url, userAgent, contentDisposition, mimetype, contentLength);
3327     }
3328
3329     /**
3330      * Notify the host application a download should be done, even if there
3331      * is a streaming viewer available for thise type.
3332      * @param url The full url to the content that should be downloaded
3333      * @param contentDisposition Content-disposition http header, if
3334      *                           present.
3335      * @param mimetype The mimetype of the content reported by the server
3336      * @param contentLength The file size reported by the server
3337      */
3338     /*package */ void onDownloadStartNoStream(String url, String userAgent,
3339             String contentDisposition, String mimetype, long contentLength) {
3340
3341         String filename = URLUtil.guessFileName(url,
3342                 contentDisposition, mimetype);
3343
3344         // Check to see if we have an SDCard
3345         String status = Environment.getExternalStorageState();
3346         if (!status.equals(Environment.MEDIA_MOUNTED)) {
3347             int title;
3348             String msg;
3349
3350             // Check to see if the SDCard is busy, same as the music app
3351             if (status.equals(Environment.MEDIA_SHARED)) {
3352                 msg = getString(R.string.download_sdcard_busy_dlg_msg);
3353                 title = R.string.download_sdcard_busy_dlg_title;
3354             } else {
3355                 msg = getString(R.string.download_no_sdcard_dlg_msg, filename);
3356                 title = R.string.download_no_sdcard_dlg_title;
3357             }
3358
3359             new AlertDialog.Builder(this)
3360                 .setTitle(title)
3361                 .setIcon(android.R.drawable.ic_dialog_alert)
3362                 .setMessage(msg)
3363                 .setPositiveButton(R.string.ok, null)
3364                 .show();
3365             return;
3366         }
3367
3368         // java.net.URI is a lot stricter than KURL so we have to undo
3369         // KURL's percent-encoding and redo the encoding using java.net.URI.
3370         URI uri = null;
3371         try {
3372             // Undo the percent-encoding that KURL may have done.
3373             String newUrl = new String(URLUtil.decode(url.getBytes()));
3374             // Parse the url into pieces
3375             WebAddress w = new WebAddress(newUrl);
3376             String frag = null;
3377             String query = null;
3378             String path = w.mPath;
3379             // Break the path into path, query, and fragment
3380             if (path.length() > 0) {
3381                 // Strip the fragment
3382                 int idx = path.lastIndexOf('#');
3383                 if (idx != -1) {
3384                     frag = path.substring(idx + 1);
3385                     path = path.substring(0, idx);
3386                 }
3387                 idx = path.lastIndexOf('?');
3388                 if (idx != -1) {
3389                     query = path.substring(idx + 1);
3390                     path = path.substring(0, idx);
3391                 }
3392             }
3393             uri = new URI(w.mScheme, w.mAuthInfo, w.mHost, w.mPort, path,
3394                     query, frag);
3395         } catch (Exception e) {
3396             Log.e(LOGTAG, "Could not parse url for download: " + url, e);
3397             return;
3398         }
3399
3400         // XXX: Have to use the old url since the cookies were stored using the
3401         // old percent-encoded url.
3402         String cookies = CookieManager.getInstance().getCookie(url);
3403
3404         ContentValues values = new ContentValues();
3405         values.put(Downloads.COLUMN_URI, uri.toString());
3406         values.put(Downloads.COLUMN_COOKIE_DATA, cookies);
3407         values.put(Downloads.COLUMN_USER_AGENT, userAgent);
3408         values.put(Downloads.COLUMN_NOTIFICATION_PACKAGE,
3409                 getPackageName());
3410         values.put(Downloads.COLUMN_NOTIFICATION_CLASS,
3411                 BrowserDownloadPage.class.getCanonicalName());
3412         values.put(Downloads.COLUMN_VISIBILITY, Downloads.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
3413         values.put(Downloads.COLUMN_MIME_TYPE, mimetype);
3414         values.put(Downloads.COLUMN_FILE_NAME_HINT, filename);
3415         values.put(Downloads.COLUMN_DESCRIPTION, uri.getHost());
3416         if (contentLength > 0) {
3417             values.put(Downloads.COLUMN_TOTAL_BYTES, contentLength);
3418         }
3419         if (mimetype == null) {
3420             // We must have long pressed on a link or image to download it. We
3421             // are not sure of the mimetype in this case, so do a head request
3422             new FetchUrlMimeType(this).execute(values);
3423         } else {
3424             final Uri contentUri =
3425                     getContentResolver().insert(Downloads.CONTENT_URI, values);
3426             viewDownloads(contentUri);
3427         }
3428
3429     }
3430
3431     /**
3432      * Resets the lock icon. This method is called when we start a new load and
3433      * know the url to be loaded.
3434      */
3435     private void resetLockIcon(String url) {
3436         // Save the lock-icon state (we revert to it if the load gets cancelled)
3437         saveLockIcon();
3438
3439         mLockIconType = LOCK_ICON_UNSECURE;
3440         if (URLUtil.isHttpsUrl(url)) {
3441             mLockIconType = LOCK_ICON_SECURE;
3442             if (LOGV_ENABLED) {
3443                 Log.v(LOGTAG, "BrowserActivity.resetLockIcon:" +
3444                       " reset lock icon to " + mLockIconType);
3445             }
3446         }
3447
3448         updateLockIconImage(LOCK_ICON_UNSECURE);
3449     }
3450
3451     /* package */ void setLockIconType(int type) {
3452         mLockIconType = type;
3453     }
3454
3455     /* package */ int getLockIconType() {
3456         return mLockIconType;
3457     }
3458
3459     /* package */ void setPrevLockType(int type) {
3460         mPrevLockType = type;
3461     }
3462
3463     /* package */ int getPrevLockType() {
3464         return mPrevLockType;
3465     }
3466
3467     /**
3468      * Update the lock icon to correspond to our latest state.
3469      */
3470     /* package */ void updateLockIconToLatest() {
3471         updateLockIconImage(mLockIconType);
3472     }
3473
3474     /**
3475      * Updates the lock-icon image in the title-bar.
3476      */
3477     private void updateLockIconImage(int lockIconType) {
3478         Drawable d = null;
3479         if (lockIconType == LOCK_ICON_SECURE) {
3480             d = mSecLockIcon;
3481         } else if (lockIconType == LOCK_ICON_MIXED) {
3482             d = mMixLockIcon;
3483         }
3484         mTitleBar.setLock(d);
3485         if (mFakeTitleBar != null) {
3486             mFakeTitleBar.setLock(d);
3487         }
3488     }
3489
3490     /**
3491      * Displays a page-info dialog.
3492      * @param tab The tab to show info about
3493      * @param fromShowSSLCertificateOnError The flag that indicates whether
3494      * this dialog was opened from the SSL-certificate-on-error dialog or
3495      * not. This is important, since we need to know whether to return to
3496      * the parent dialog or simply dismiss.
3497      */
3498     private void showPageInfo(final TabControl.Tab tab,
3499                               final boolean fromShowSSLCertificateOnError) {
3500         final LayoutInflater factory = LayoutInflater
3501                 .from(this);
3502
3503         final View pageInfoView = factory.inflate(R.layout.page_info, null);
3504
3505         final WebView view = tab.getWebView();
3506
3507         String url = null;
3508         String title = null;
3509
3510         if (view == null) {
3511             url = tab.getUrl();
3512             title = tab.getTitle();
3513         } else if (view == mTabControl.getCurrentWebView()) {
3514              // Use the cached title and url if this is the current WebView
3515             url = mUrl;
3516             title = mTitle;
3517         } else {
3518             url = view.getUrl();
3519             title = view.getTitle();
3520         }
3521
3522         if (url == null) {
3523             url = "";
3524         }
3525         if (title == null) {
3526             title = "";
3527         }
3528
3529         ((TextView) pageInfoView.findViewById(R.id.address)).setText(url);
3530         ((TextView) pageInfoView.findViewById(R.id.title)).setText(title);
3531
3532         mPageInfoView = tab;
3533         mPageInfoFromShowSSLCertificateOnError = new Boolean(fromShowSSLCertificateOnError);
3534
3535         AlertDialog.Builder alertDialogBuilder =
3536             new AlertDialog.Builder(this)
3537             .setTitle(R.string.page_info).setIcon(android.R.drawable.ic_dialog_info)
3538             .setView(pageInfoView)
3539             .setPositiveButton(
3540                 R.string.ok,
3541                 new DialogInterface.OnClickListener() {
3542                     public void onClick(DialogInterface dialog,
3543                                         int whichButton) {
3544                         mPageInfoDialog = null;
3545                         mPageInfoView = null;
3546                         mPageInfoFromShowSSLCertificateOnError = null;
3547
3548                         // if we came here from the SSL error dialog
3549                         if (fromShowSSLCertificateOnError) {
3550                             // go back to the SSL error dialog
3551                             showSSLCertificateOnError(
3552                                 mSSLCertificateOnErrorView,
3553                                 mSSLCertificateOnErrorHandler,
3554                                 mSSLCertificateOnErrorError);
3555                         }
3556                     }
3557                 })
3558             .setOnCancelListener(
3559                 new DialogInterface.OnCancelListener() {
3560                     public void onCancel(DialogInterface dialog) {
3561                         mPageInfoDialog = null;
3562                         mPageInfoView = null;
3563                         mPageInfoFromShowSSLCertificateOnError = null;
3564
3565                         // if we came here from the SSL error dialog
3566                         if (fromShowSSLCertificateOnError) {
3567                             // go back to the SSL error dialog
3568                             showSSLCertificateOnError(
3569                                 mSSLCertificateOnErrorView,
3570                                 mSSLCertificateOnErrorHandler,
3571                                 mSSLCertificateOnErrorError);
3572                         }
3573                     }
3574                 });
3575
3576         // if we have a main top-level page SSL certificate set or a certificate
3577         // error
3578         if (fromShowSSLCertificateOnError ||
3579                 (view != null && view.getCertificate() != null)) {
3580             // add a 'View Certificate' button
3581             alertDialogBuilder.setNeutralButton(
3582                 R.string.view_certificate,
3583                 new DialogInterface.OnClickListener() {
3584                     public void onClick(DialogInterface dialog,
3585                                         int whichButton) {
3586                         mPageInfoDialog = null;
3587                         mPageInfoView = null;
3588                         mPageInfoFromShowSSLCertificateOnError = null;
3589
3590                         // if we came here from the SSL error dialog
3591                         if (fromShowSSLCertificateOnError) {
3592                             // go back to the SSL error dialog
3593                             showSSLCertificateOnError(
3594                                 mSSLCertificateOnErrorView,
3595                                 mSSLCertificateOnErrorHandler,
3596                                 mSSLCertificateOnErrorError);
3597                         } else {
3598                             // otherwise, display the top-most certificate from
3599                             // the chain
3600                             if (view.getCertificate() != null) {
3601                                 showSSLCertificate(tab);
3602                             }
3603                         }
3604                     }
3605                 });
3606         }
3607
3608         mPageInfoDialog = alertDialogBuilder.show();
3609     }
3610
3611        /**
3612      * Displays the main top-level page SSL certificate dialog
3613      * (accessible from the Page-Info dialog).
3614      * @param tab The tab to show certificate for.
3615      */
3616     private void showSSLCertificate(final TabControl.Tab tab) {
3617         final View certificateView =
3618                 inflateCertificateView(tab.getWebView().getCertificate());
3619         if (certificateView == null) {
3620             return;
3621         }
3622
3623         LayoutInflater factory = LayoutInflater.from(this);
3624
3625         final LinearLayout placeholder =
3626                 (LinearLayout)certificateView.findViewById(R.id.placeholder);
3627
3628         LinearLayout ll = (LinearLayout) factory.inflate(
3629             R.layout.ssl_success, placeholder);
3630         ((TextView)ll.findViewById(R.id.success))
3631             .setText(R.string.ssl_certificate_is_valid);
3632
3633         mSSLCertificateView = tab;
3634         mSSLCertificateDialog =
3635             new AlertDialog.Builder(this)
3636                 .setTitle(R.string.ssl_certificate).setIcon(
3637                     R.drawable.ic_dialog_browser_certificate_secure)
3638                 .setView(certificateView)
3639                 .setPositiveButton(R.string.ok,
3640                         new DialogInterface.OnClickListener() {
3641                             public void onClick(DialogInterface dialog,
3642                                     int whichButton) {
3643                                 mSSLCertificateDialog = null;
3644                                 mSSLCertificateView = null;
3645
3646                                 showPageInfo(tab, false);
3647                             }
3648                         })
3649                 .setOnCancelListener(
3650                         new DialogInterface.OnCancelListener() {
3651                             public void onCancel(DialogInterface dialog) {
3652                                 mSSLCertificateDialog = null;
3653                                 mSSLCertificateView = null;
3654
3655                                 showPageInfo(tab, false);
3656                             }
3657                         })
3658                 .show();
3659     }
3660
3661     /**
3662      * Displays the SSL error certificate dialog.
3663      * @param view The target web-view.
3664      * @param handler The SSL error handler responsible for cancelling the
3665      * connection that resulted in an SSL error or proceeding per user request.
3666      * @param error The SSL error object.
3667      */
3668     private void showSSLCertificateOnError(
3669         final WebView view, final SslErrorHandler handler, final SslError error) {
3670
3671         final View certificateView =
3672             inflateCertificateView(error.getCertificate());
3673         if (certificateView == null) {
3674             return;
3675         }
3676
3677         LayoutInflater factory = LayoutInflater.from(this);
3678
3679         final LinearLayout placeholder =
3680                 (LinearLayout)certificateView.findViewById(R.id.placeholder);
3681
3682         if (error.hasError(SslError.SSL_UNTRUSTED)) {
3683             LinearLayout ll = (LinearLayout)factory
3684                 .inflate(R.layout.ssl_warning, placeholder);
3685             ((TextView)ll.findViewById(R.id.warning))
3686                 .setText(R.string.ssl_untrusted);
3687         }
3688
3689         if (error.hasError(SslError.SSL_IDMISMATCH)) {
3690             LinearLayout ll = (LinearLayout)factory
3691                 .inflate(R.layout.ssl_warning, placeholder);
3692             ((TextView)ll.findViewById(R.id.warning))
3693                 .setText(R.string.ssl_mismatch);
3694         }
3695
3696         if (error.hasError(SslError.SSL_EXPIRED)) {
3697             LinearLayout ll = (LinearLayout)factory
3698                 .inflate(R.layout.ssl_warning, placeholder);
3699             ((TextView)ll.findViewById(R.id.warning))
3700                 .setText(R.string.ssl_expired);
3701         }
3702
3703         if (error.hasError(SslError.SSL_NOTYETVALID)) {
3704             LinearLayout ll = (LinearLayout)factory
3705                 .inflate(R.layout.ssl_warning, placeholder);
3706             ((TextView)ll.findViewById(R.id.warning))
3707                 .setText(R.string.ssl_not_yet_valid);
3708         }
3709
3710         mSSLCertificateOnErrorHandler = handler;
3711         mSSLCertificateOnErrorView = view;
3712         mSSLCertificateOnErrorError = error;
3713         mSSLCertificateOnErrorDialog =
3714             new AlertDialog.Builder(this)
3715                 .setTitle(R.string.ssl_certificate).setIcon(
3716                     R.drawable.ic_dialog_browser_certificate_partially_secure)
3717                 .setView(certificateView)
3718                 .setPositiveButton(R.string.ok,
3719                         new DialogInterface.OnClickListener() {
3720                             public void onClick(DialogInterface dialog,
3721                                     int whichButton) {
3722                                 mSSLCertificateOnErrorDialog = null;
3723                                 mSSLCertificateOnErrorView = null;
3724                                 mSSLCertificateOnErrorHandler = null;
3725                                 mSSLCertificateOnErrorError = null;
3726
3727                                 mWebViewClient.onReceivedSslError(
3728                                     view, handler, error);
3729                             }
3730                         })
3731                  .setNeutralButton(R.string.page_info_view,
3732                         new DialogInterface.OnClickListener() {
3733                             public void onClick(DialogInterface dialog,
3734                                     int whichButton) {
3735                                 mSSLCertificateOnErrorDialog = null;
3736
3737                                 // do not clear the dialog state: we will
3738                                 // need to show the dialog again once the
3739                                 // user is done exploring the page-info details
3740
3741                                 showPageInfo(mTabControl.getTabFromView(view),
3742                                         true);
3743                             }
3744                         })
3745                 .setOnCancelListener(
3746                         new DialogInterface.OnCancelListener() {
3747                             public void onCancel(DialogInterface dialog) {
3748                                 mSSLCertificateOnErrorDialog = null;
3749                                 mSSLCertificateOnErrorView = null;
3750                                 mSSLCertificateOnErrorHandler = null;
3751                                 mSSLCertificateOnErrorError = null;
3752
3753                                 mWebViewClient.onReceivedSslError(
3754                                     view, handler, error);
3755                             }
3756                         })
3757                 .show();
3758     }
3759
3760     /**
3761      * Inflates the SSL certificate view (helper method).
3762      * @param certificate The SSL certificate.
3763      * @return The resultant certificate view with issued-to, issued-by,
3764      * issued-on, expires-on, and possibly other fields set.
3765      * If the input certificate is null, returns null.
3766      */
3767     private View inflateCertificateView(SslCertificate certificate) {
3768         if (certificate == null) {
3769             return null;
3770         }
3771
3772         LayoutInflater factory = LayoutInflater.from(this);
3773
3774         View certificateView = factory.inflate(
3775             R.layout.ssl_certificate, null);
3776
3777         // issued to:
3778         SslCertificate.DName issuedTo = certificate.getIssuedTo();
3779         if (issuedTo != null) {
3780             ((TextView) certificateView.findViewById(R.id.to_common))
3781                 .setText(issuedTo.getCName());
3782             ((TextView) certificateView.findViewById(R.id.to_org))
3783                 .setText(issuedTo.getOName());
3784             ((TextView) certificateView.findViewById(R.id.to_org_unit))
3785                 .setText(issuedTo.getUName());
3786         }
3787
3788         // issued by:
3789         SslCertificate.DName issuedBy = certificate.getIssuedBy();
3790         if (issuedBy != null) {
3791             ((TextView) certificateView.findViewById(R.id.by_common))
3792                 .setText(issuedBy.getCName());
3793             ((TextView) certificateView.findViewById(R.id.by_org))
3794                 .setText(issuedBy.getOName());
3795             ((TextView) certificateView.findViewById(R.id.by_org_unit))
3796                 .setText(issuedBy.getUName());
3797         }
3798
3799         // issued on:
3800         String issuedOn = reformatCertificateDate(
3801             certificate.getValidNotBefore());
3802         ((TextView) certificateView.findViewById(R.id.issued_on))
3803             .setText(issuedOn);
3804
3805         // expires on:
3806         String expiresOn = reformatCertificateDate(
3807             certificate.getValidNotAfter());
3808         ((TextView) certificateView.findViewById(R.id.expires_on))
3809             .setText(expiresOn);
3810
3811         return certificateView;
3812     }
3813
3814     /**
3815      * Re-formats the certificate date (Date.toString()) string to
3816      * a properly localized date string.
3817      * @return Properly localized version of the certificate date string and
3818      * the original certificate date string if fails to localize.
3819      * If the original string is null, returns an empty string "".
3820      */
3821     private String reformatCertificateDate(String certificateDate) {
3822       String reformattedDate = null;
3823
3824       if (certificateDate != null) {
3825           Date date = null;
3826           try {
3827               date = java.text.DateFormat.getInstance().parse(certificateDate);
3828           } catch (ParseException e) {
3829               date = null;
3830           }
3831
3832           if (date != null) {
3833               reformattedDate =
3834                   DateFormat.getDateFormat(this).format(date);
3835           }
3836       }
3837
3838       return reformattedDate != null ? reformattedDate :
3839           (certificateDate != null ? certificateDate : "");
3840     }
3841
3842     /**
3843      * Displays an http-authentication dialog.
3844      */
3845     private void showHttpAuthentication(final HttpAuthHandler handler,
3846             final String host, final String realm, final String title,
3847             final String name, final String password, int focusId) {
3848         LayoutInflater factory = LayoutInflater.from(this);
3849         final View v = factory
3850                 .inflate(R.layout.http_authentication, null);
3851         if (name != null) {
3852             ((EditText) v.findViewById(R.id.username_edit)).setText(name);
3853         }
3854         if (password != null) {
3855             ((EditText) v.findViewById(R.id.password_edit)).setText(password);
3856         }
3857
3858         String titleText = title;
3859         if (titleText == null) {
3860             titleText = getText(R.string.sign_in_to).toString().replace(
3861                     "%s1", host).replace("%s2", realm);
3862         }
3863
3864         mHttpAuthHandler = handler;
3865         AlertDialog dialog = new AlertDialog.Builder(this)
3866                 .setTitle(titleText)
3867                 .setIcon(android.R.drawable.ic_dialog_alert)
3868                 .setView(v)
3869                 .setPositiveButton(R.string.action,
3870                         new DialogInterface.OnClickListener() {
3871                              public void onClick(DialogInterface dialog,
3872                                      int whichButton) {
3873                                 String nm = ((EditText) v
3874                                         .findViewById(R.id.username_edit))
3875                                         .getText().toString();
3876                                 String pw = ((EditText) v
3877                                         .findViewById(R.id.password_edit))
3878                                         .getText().toString();
3879                                 BrowserActivity.this.setHttpAuthUsernamePassword
3880                                         (host, realm, nm, pw);
3881                                 handler.proceed(nm, pw);
3882                                 mHttpAuthenticationDialog = null;
3883                                 mHttpAuthHandler = null;
3884                             }})
3885                 .setNegativeButton(R.string.cancel,
3886                         new DialogInterface.OnClickListener() {
3887                             public void onClick(DialogInterface dialog,
3888                                     int whichButton) {
3889                                 handler.cancel();
3890                                 BrowserActivity.this.resetTitleAndRevertLockIcon();
3891                                 mHttpAuthenticationDialog = null;
3892                                 mHttpAuthHandler = null;
3893                             }})
3894                 .setOnCancelListener(new DialogInterface.OnCancelListener() {
3895                         public void onCancel(DialogInterface dialog) {
3896                             handler.cancel();
3897                             BrowserActivity.this.resetTitleAndRevertLockIcon();
3898                             mHttpAuthenticationDialog = null;
3899                             mHttpAuthHandler = null;
3900                         }})
3901                 .create();
3902         // Make the IME appear when the dialog is displayed if applicable.
3903         dialog.getWindow().setSoftInputMode(
3904                 WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
3905         dialog.show();
3906         if (focusId != 0) {
3907             dialog.findViewById(focusId).requestFocus();
3908         } else {
3909             v.findViewById(R.id.username_edit).requestFocus();
3910         }
3911         mHttpAuthenticationDialog = dialog;
3912     }
3913
3914     public int getProgress() {
3915         WebView w = mTabControl.getCurrentWebView();
3916         if (w != null) {
3917             return w.getProgress();
3918         } else {
3919             return 100;
3920         }
3921     }
3922
3923     /**
3924      * Set HTTP authentication password.
3925      *
3926      * @param host The host for the password
3927      * @param realm The realm for the password
3928      * @param username The username for the password. If it is null, it means
3929      *            password can't be saved.
3930      * @param password The password
3931      */
3932     public void setHttpAuthUsernamePassword(String host, String realm,
3933                                             String username,
3934                                             String password) {
3935         WebView w = mTabControl.getCurrentWebView();
3936         if (w != null) {
3937             w.setHttpAuthUsernamePassword(host, realm, username, password);
3938         }
3939     }
3940
3941     /**
3942      * connectivity manager says net has come or gone... inform the user
3943      * @param up true if net has come up, false if net has gone down
3944      */
3945     public void onNetworkToggle(boolean up) {
3946         if (up == mIsNetworkUp) {
3947             return;
3948         } else if (up) {
3949             mIsNetworkUp = true;
3950             if (mAlertDialog != null) {
3951                 mAlertDialog.cancel();
3952                 mAlertDialog = null;
3953             }
3954         } else {
3955             mIsNetworkUp = false;
3956             if (mInLoad) {
3957                 createAndShowNetworkDialog();
3958            }
3959         }
3960         WebView w = mTabControl.getCurrentWebView();
3961         if (w != null) {
3962             w.setNetworkAvailable(up);
3963         }
3964     }
3965
3966     // This method shows the network dialog alerting the user that the net is
3967     // down. It will only show the dialog if mAlertDialog is null.
3968     private void createAndShowNetworkDialog() {
3969         if (mAlertDialog == null) {
3970             mAlertDialog = new AlertDialog.Builder(this)
3971                     .setTitle(R.string.loadSuspendedTitle)
3972                     .setMessage(R.string.loadSuspended)
3973                     .setPositiveButton(R.string.ok, null)
3974                     .show();
3975         }
3976     }
3977
3978     @Override
3979     protected void onActivityResult(int requestCode, int resultCode,
3980                                     Intent intent) {
3981         switch (requestCode) {
3982             case COMBO_PAGE:
3983                 if (resultCode == RESULT_OK && intent != null) {
3984                     String data = intent.getAction();
3985                     Bundle extras = intent.getExtras();
3986                     if (extras != null && extras.getBoolean("new_window", false)) {
3987                         openTab(data);
3988                     } else {
3989                         final TabControl.Tab currentTab =
3990                                 mTabControl.getCurrentTab();
3991                         dismissSubWindow(currentTab);
3992                         if (data != null && data.length() != 0) {
3993                             getTopWindow().loadUrl(data);
3994                         }
3995                     }
3996                 }
3997                 break;
3998             default:
3999                 break;
4000         }
4001         getTopWindow().requestFocus();
4002     }
4003
4004     /*
4005      * This method is called as a result of the user selecting the options
4006      * menu to see the download window, or when a download changes state. It
4007      * shows the download window ontop of the current window.
4008      */
4009     /* package */ void viewDownloads(Uri downloadRecord) {
4010         Intent intent = new Intent(this,
4011                 BrowserDownloadPage.class);
4012         intent.setData(downloadRecord);
4013         startActivityForResult(intent, this.DOWNLOAD_PAGE);
4014
4015     }
4016
4017     /**
4018      * Open the Go page.
4019      * @param startWithHistory If true, open starting on the history tab.
4020      *                         Otherwise, start with the bookmarks tab.
4021      */
4022     /* package */ void bookmarksOrHistoryPicker(boolean startWithHistory) {
4023         WebView current = mTabControl.getCurrentWebView();
4024         if (current == null) {
4025             return;
4026         }
4027         Intent intent = new Intent(this,
4028                 CombinedBookmarkHistoryActivity.class);
4029         String title = current.getTitle();
4030         String url = current.getUrl();
4031         // Just in case the user opens bookmarks before a page finishes loading
4032         // so the current history item, and therefore the page, is null.
4033         if (null == url) {
4034             url = mLastEnteredUrl;
4035             // This can happen.
4036             if (null == url) {
4037                 url = mSettings.getHomePage();
4038             }
4039         }
4040         // In case the web page has not yet received its associated title.
4041         if (title == null) {
4042             title = url;
4043         }
4044         intent.putExtra("title", title);
4045         intent.putExtra("url", url);
4046         // Disable opening in a new window if we have maxed out the windows
4047         intent.putExtra("disable_new_window", mTabControl.getTabCount()
4048                 >= TabControl.MAX_TABS);
4049         intent.putExtra("touch_icon_url", current.getTouchIconUrl());
4050         if (startWithHistory) {
4051             intent.putExtra(CombinedBookmarkHistoryActivity.STARTING_TAB,
4052                     CombinedBookmarkHistoryActivity.HISTORY_TAB);
4053         }
4054         startActivityForResult(intent, COMBO_PAGE);
4055     }
4056
4057     // Called when loading from context menu or LOAD_URL message
4058     private void loadURL(WebView view, String url) {
4059         // In case the user enters nothing.
4060         if (url != null && url.length() != 0 && view != null) {
4061             url = smartUrlFilter(url);
4062             if (!mWebViewClient.shouldOverrideUrlLoading(view, url)) {
4063                 view.loadUrl(url);
4064             }
4065         }
4066     }
4067
4068     private String smartUrlFilter(Uri inUri) {
4069         if (inUri != null) {
4070             return smartUrlFilter(inUri.toString());
4071         }
4072         return null;
4073     }
4074
4075
4076     // get window count
4077
4078     int getWindowCount(){
4079       if(mTabControl != null){
4080         return mTabControl.getTabCount();
4081       }
4082       return 0;
4083     }
4084
4085     protected static final Pattern ACCEPTED_URI_SCHEMA = Pattern.compile(
4086             "(?i)" + // switch on case insensitive matching
4087             "(" +    // begin group for schema
4088             "(?:http|https|file):\\/\\/" +
4089             "|(?:inline|data|about|content|javascript):" +
4090             ")" +
4091             "(.*)" );
4092
4093     /**
4094      * Attempts to determine whether user input is a URL or search
4095      * terms.  Anything with a space is passed to search.
4096      *
4097      * Converts to lowercase any mistakenly uppercased schema (i.e.,
4098      * "Http://" converts to "http://"
4099      *
4100      * @return Original or modified URL
4101      *
4102      */
4103     String smartUrlFilter(String url) {
4104
4105         String inUrl = url.trim();
4106         boolean hasSpace = inUrl.indexOf(' ') != -1;
4107
4108         Matcher matcher = ACCEPTED_URI_SCHEMA.matcher(inUrl);
4109         if (matcher.matches()) {
4110             // force scheme to lowercase
4111             String scheme = matcher.group(1);
4112             String lcScheme = scheme.toLowerCase();
4113             if (!lcScheme.equals(scheme)) {
4114                 inUrl = lcScheme + matcher.group(2);
4115             }
4116             if (hasSpace) {
4117                 inUrl = inUrl.replace(" ", "%20");
4118             }
4119             return inUrl;
4120         }
4121         if (hasSpace) {
4122             // FIXME: Is this the correct place to add to searches?
4123             // what if someone else calls this function?
4124             int shortcut = parseUrlShortcut(inUrl);
4125             if (shortcut != SHORTCUT_INVALID) {
4126                 Browser.addSearchUrl(mResolver, inUrl);
4127                 String query = inUrl.substring(2);
4128                 switch (shortcut) {
4129                 case SHORTCUT_GOOGLE_SEARCH:
4130                     return URLUtil.composeSearchUrl(query, QuickSearch_G, QUERY_PLACE_HOLDER);
4131                 case SHORTCUT_WIKIPEDIA_SEARCH:
4132                     return URLUtil.composeSearchUrl(query, QuickSearch_W, QUERY_PLACE_HOLDER);
4133                 case SHORTCUT_DICTIONARY_SEARCH:
4134                     return URLUtil.composeSearchUrl(query, QuickSearch_D, QUERY_PLACE_HOLDER);
4135                 case SHORTCUT_GOOGLE_MOBILE_LOCAL_SEARCH:
4136                     // FIXME: we need location in this case
4137                     return URLUtil.composeSearchUrl(query, QuickSearch_L, QUERY_PLACE_HOLDER);
4138                 }
4139             }
4140         } else {
4141             if (Regex.WEB_URL_PATTERN.matcher(inUrl).matches()) {
4142                 return URLUtil.guessUrl(inUrl);
4143             }
4144         }
4145
4146         Browser.addSearchUrl(mResolver, inUrl);
4147         return URLUtil.composeSearchUrl(inUrl, QuickSearch_G, QUERY_PLACE_HOLDER);
4148     }
4149
4150     /* package */ void setShouldShowErrorConsole(boolean flag) {
4151         if (flag == mShouldShowErrorConsole) {
4152             // Nothing to do.
4153             return;
4154         }
4155
4156         mShouldShowErrorConsole = flag;
4157
4158         ErrorConsoleView errorConsole = mTabControl.getCurrentErrorConsole(true);
4159
4160         if (flag) {
4161             // Setting the show state of the console will cause it's the layout to be inflated.
4162             if (errorConsole.numberOfErrors() > 0) {
4163                 errorConsole.showConsole(ErrorConsoleView.SHOW_MINIMIZED);
4164             } else {
4165                 errorConsole.showConsole(ErrorConsoleView.SHOW_NONE);
4166             }
4167
4168             // Now we can add it to the main view.
4169             mErrorConsoleContainer.addView(errorConsole,
4170                     new LinearLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT,
4171                                                   ViewGroup.LayoutParams.WRAP_CONTENT));
4172         } else {
4173             mErrorConsoleContainer.removeView(errorConsole);
4174         }
4175
4176     }
4177
4178     final static int LOCK_ICON_UNSECURE = 0;
4179     final static int LOCK_ICON_SECURE   = 1;
4180     final static int LOCK_ICON_MIXED    = 2;
4181
4182     private int mLockIconType = LOCK_ICON_UNSECURE;
4183     private int mPrevLockType = LOCK_ICON_UNSECURE;
4184
4185     private BrowserSettings mSettings;
4186     private TabControl      mTabControl;
4187     private ContentResolver mResolver;
4188     private FrameLayout     mContentView;
4189     private View            mCustomView;
4190     private FrameLayout     mCustomViewContainer;
4191     private WebChromeClient.CustomViewCallback mCustomViewCallback;
4192
4193     // FIXME, temp address onPrepareMenu performance problem. When we move everything out of
4194     // view, we should rewrite this.
4195     private int mCurrentMenuState = 0;
4196     private int mMenuState = R.id.MAIN_MENU;
4197     private int mOldMenuState = EMPTY_MENU;
4198     private static final int EMPTY_MENU = -1;
4199     private Menu mMenu;
4200
4201     private FindDialog mFindDialog;
4202     // Used to prevent chording to result in firing two shortcuts immediately
4203     // one after another.  Fixes bug 1211714.
4204     boolean mCanChord;
4205
4206     private boolean mInLoad;
4207     private boolean mIsNetworkUp;
4208
4209     private boolean mPageStarted;
4210     private boolean mActivityInPause = true;
4211
4212     private boolean mMenuIsDown;
4213
4214     private final KeyTracker mKeyTracker = new KeyTracker(this);
4215
4216     // As trackball doesn't send repeat down, we have to track it ourselves
4217     private boolean mTrackTrackball;
4218
4219     private static boolean mInTrace;
4220
4221     // Performance probe
4222     private static final int[] SYSTEM_CPU_FORMAT = new int[] {
4223             Process.PROC_SPACE_TERM | Process.PROC_COMBINE,
4224             Process.PROC_SPACE_TERM | Process.PROC_OUT_LONG, // 1: user time
4225             Process.PROC_SPACE_TERM | Process.PROC_OUT_LONG, // 2: nice time
4226             Process.PROC_SPACE_TERM | Process.PROC_OUT_LONG, // 3: sys time
4227             Process.PROC_SPACE_TERM | Process.PROC_OUT_LONG, // 4: idle time
4228             Process.PROC_SPACE_TERM | Process.PROC_OUT_LONG, // 5: iowait time
4229             Process.PROC_SPACE_TERM | Process.PROC_OUT_LONG, // 6: irq time
4230             Process.PROC_SPACE_TERM | Process.PROC_OUT_LONG  // 7: softirq time
4231     };
4232
4233     private long mStart;
4234     private long mProcessStart;
4235     private long mUserStart;
4236     private long mSystemStart;
4237     private long mIdleStart;
4238     private long mIrqStart;
4239
4240     private long mUiStart;
4241
4242     private Drawable    mMixLockIcon;
4243     private Drawable    mSecLockIcon;
4244
4245     /* hold a ref so we can auto-cancel if necessary */
4246     private AlertDialog mAlertDialog;
4247
4248     // Wait for credentials before loading google.com
4249     private ProgressDialog mCredsDlg;
4250
4251     // The up-to-date URL and title (these can be different from those stored
4252     // in WebView, since it takes some time for the information in WebView to
4253     // get updated)
4254     private String mUrl;
4255     private String mTitle;
4256
4257     // As PageInfo has different style for landscape / portrait, we have
4258     // to re-open it when configuration changed
4259     private AlertDialog mPageInfoDialog;
4260     private TabControl.Tab mPageInfoView;
4261     // If the Page-Info dialog is launched from the SSL-certificate-on-error
4262     // dialog, we should not just dismiss it, but should get back to the
4263     // SSL-certificate-on-error dialog. This flag is used to store this state
4264     private Boolean mPageInfoFromShowSSLCertificateOnError;
4265
4266     // as SSLCertificateOnError has different style for landscape / portrait,
4267     // we have to re-open it when configuration changed
4268     private AlertDialog mSSLCertificateOnErrorDialog;
4269     private WebView mSSLCertificateOnErrorView;
4270     private SslErrorHandler mSSLCertificateOnErrorHandler;
4271     private SslError mSSLCertificateOnErrorError;
4272
4273     // as SSLCertificate has different style for landscape / portrait, we
4274     // have to re-open it when configuration changed
4275     private AlertDialog mSSLCertificateDialog;
4276     private TabControl.Tab mSSLCertificateView;
4277
4278     // as HttpAuthentication has different style for landscape / portrait, we
4279     // have to re-open it when configuration changed
4280     private AlertDialog mHttpAuthenticationDialog;
4281     private HttpAuthHandler mHttpAuthHandler;
4282
4283     /*package*/ static final FrameLayout.LayoutParams COVER_SCREEN_PARAMS =
4284                                             new FrameLayout.LayoutParams(
4285                                             ViewGroup.LayoutParams.FILL_PARENT,
4286                                             ViewGroup.LayoutParams.FILL_PARENT);
4287     /*package*/ static final FrameLayout.LayoutParams COVER_SCREEN_GRAVITY_CENTER =
4288                                             new FrameLayout.LayoutParams(
4289                                             ViewGroup.LayoutParams.FILL_PARENT,
4290                                             ViewGroup.LayoutParams.FILL_PARENT,
4291                                             Gravity.CENTER);
4292     // Google search
4293     final static String QuickSearch_G = "http://www.google.com/m?q=%s";
4294     // Wikipedia search
4295     final static String QuickSearch_W = "http://en.wikipedia.org/w/index.php?search=%s&go=Go";
4296     // Dictionary search
4297     final static String QuickSearch_D = "http://dictionary.reference.com/search?q=%s";
4298     // Google Mobile Local search
4299     final static String QuickSearch_L = "http://www.google.com/m/search?site=local&q=%s&near=mountain+view";
4300
4301     final static String QUERY_PLACE_HOLDER = "%s";
4302
4303     // "source" parameter for Google search through search key
4304     final static String GOOGLE_SEARCH_SOURCE_SEARCHKEY = "browser-key";
4305     // "source" parameter for Google search through goto menu
4306     final static String GOOGLE_SEARCH_SOURCE_GOTO = "browser-goto";
4307     // "source" parameter for Google search through simplily type
4308     final static String GOOGLE_SEARCH_SOURCE_TYPE = "browser-type";
4309     // "source" parameter for Google search suggested by the browser
4310     final static String GOOGLE_SEARCH_SOURCE_SUGGEST = "browser-suggest";
4311     // "source" parameter for Google search from unknown source
4312     final static String GOOGLE_SEARCH_SOURCE_UNKNOWN = "unknown";
4313
4314     private final static String LOGTAG = "browser";
4315
4316     private String mLastEnteredUrl;
4317
4318     private PowerManager.WakeLock mWakeLock;
4319     private final static int WAKELOCK_TIMEOUT = 5 * 60 * 1000; // 5 minutes
4320
4321     private Toast mStopToast;
4322
4323     private TitleBar mTitleBar;
4324
4325     private LinearLayout mErrorConsoleContainer = null;
4326     private boolean mShouldShowErrorConsole = false;
4327
4328     // As the ids are dynamically created, we can't guarantee that they will
4329     // be in sequence, so this static array maps ids to a window number.
4330     final static private int[] WINDOW_SHORTCUT_ID_ARRAY =
4331     { R.id.window_one_menu_id, R.id.window_two_menu_id, R.id.window_three_menu_id,
4332       R.id.window_four_menu_id, R.id.window_five_menu_id, R.id.window_six_menu_id,
4333       R.id.window_seven_menu_id, R.id.window_eight_menu_id };
4334
4335     // monitor platform changes
4336     private IntentFilter mNetworkStateChangedFilter;
4337     private BroadcastReceiver mNetworkStateIntentReceiver;
4338
4339     private BroadcastReceiver mPackageInstallationReceiver;
4340
4341     // activity requestCode
4342     final static int COMBO_PAGE                 = 1;
4343     final static int DOWNLOAD_PAGE              = 2;
4344     final static int PREFERENCES_PAGE           = 3;
4345
4346     /**
4347      * A UrlData class to abstract how the content will be set to WebView.
4348      * This base class uses loadUrl to show the content.
4349      */
4350     private static class UrlData {
4351         String mUrl;
4352         byte[] mPostData;
4353
4354         UrlData(String url) {
4355             this.mUrl = url;
4356         }
4357
4358         void setPostData(byte[] postData) {
4359             mPostData = postData;
4360         }
4361
4362         boolean isEmpty() {
4363             return mUrl == null || mUrl.length() == 0;
4364         }
4365
4366         public void loadIn(WebView webView) {
4367             if (mPostData != null) {
4368                 webView.postUrl(mUrl, mPostData);
4369             } else {
4370                 webView.loadUrl(mUrl);
4371             }
4372         }
4373     };
4374
4375     /**
4376      * A subclass of UrlData class that can display inlined content using
4377      * {@link WebView#loadDataWithBaseURL(String, String, String, String, String)}.
4378      */
4379     private static class InlinedUrlData extends UrlData {
4380         InlinedUrlData(String inlined, String mimeType, String encoding, String failUrl) {
4381             super(failUrl);
4382             mInlined = inlined;
4383             mMimeType = mimeType;
4384             mEncoding = encoding;
4385         }
4386         String mMimeType;
4387         String mInlined;
4388         String mEncoding;
4389         @Override
4390         boolean isEmpty() {
4391             return mInlined == null || mInlined.length() == 0 || super.isEmpty();
4392         }
4393
4394         @Override
4395         public void loadIn(WebView webView) {
4396             webView.loadDataWithBaseURL(null, mInlined, mMimeType, mEncoding, mUrl);
4397         }
4398     }
4399
4400     /* package */ static final UrlData EMPTY_URL_DATA = new UrlData(null);
4401 }