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