2 * Copyright (C) 2006 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package com.android.browser;
19 import android.app.Activity;
20 import android.app.AlertDialog;
21 import android.content.DialogInterface;
22 import android.content.Intent;
23 import android.content.SharedPreferences;
24 import android.content.SharedPreferences.Editor;
25 import android.graphics.Bitmap;
26 import android.graphics.BitmapFactory;
27 import android.graphics.Canvas;
28 import android.graphics.Color;
29 import android.graphics.Paint;
30 import android.graphics.Path;
31 import android.graphics.PorterDuff;
32 import android.graphics.PorterDuffXfermode;
33 import android.graphics.RectF;
34 import android.net.Uri;
35 import android.os.Bundle;
36 import android.os.Handler;
37 import android.os.Message;
38 import android.os.ServiceManager;
39 import android.provider.Browser;
40 import android.text.IClipboard;
41 import android.util.Log;
42 import android.view.ContextMenu;
43 import android.view.Menu;
44 import android.view.MenuInflater;
45 import android.view.MenuItem;
46 import android.view.View;
47 import android.view.ViewGroup;
48 import android.view.ContextMenu.ContextMenuInfo;
49 import android.widget.AdapterView;
50 import android.widget.GridView;
51 import android.widget.ListView;
52 import android.widget.Toast;
54 /*package*/ enum BookmarkViewMode { NONE, GRID, LIST }
56 * View showing the user's bookmarks in the browser.
58 public class BrowserBookmarksPage extends Activity implements
59 View.OnCreateContextMenuListener {
61 private BookmarkViewMode mViewMode = BookmarkViewMode.NONE;
62 private GridView mGridPage;
63 private ListView mVerticalList;
64 private BrowserBookmarksAdapter mBookmarksAdapter;
65 private static final int BOOKMARKS_SAVE = 1;
66 private boolean mDisableNewWindow;
67 private BookmarkItem mContextHeader;
68 private AddNewBookmark mAddHeader;
69 private boolean mCanceled = false;
70 private boolean mCreateShortcut;
71 private boolean mMostVisited;
72 private View mEmptyView;
73 // XXX: There is no public string defining this intent so if Home changes
74 // the value, we have to update this string.
75 private static final String INSTALL_SHORTCUT =
76 "com.android.launcher.action.INSTALL_SHORTCUT";
78 private final static String LOGTAG = "browser";
79 private final static String PREF_BOOKMARK_VIEW_MODE = "pref_bookmark_view_mode";
80 private final static String PREF_MOST_VISITED_VIEW_MODE = "pref_most_visited_view_mode";
83 public boolean onContextItemSelected(MenuItem item) {
84 // It is possible that the view has been canceled when we get to
85 // this point as back has a higher priority
89 AdapterView.AdapterContextMenuInfo i =
90 (AdapterView.AdapterContextMenuInfo)item.getMenuInfo();
91 // If we have no menu info, we can't tell which item was selected.
96 switch (item.getItemId()) {
97 case R.id.new_context_menu_id:
100 case R.id.open_context_menu_id:
103 case R.id.edit_context_menu_id:
104 editBookmark(i.position);
106 case R.id.shortcut_context_menu_id:
107 final Intent send = createShortcutIntent(i.position);
108 send.setAction(INSTALL_SHORTCUT);
111 case R.id.delete_context_menu_id:
113 Browser.deleteFromHistory(getContentResolver(),
117 displayRemoveBookmarkDialog(i.position);
120 case R.id.new_window_context_menu_id:
121 openInNewWindow(i.position);
123 case R.id.share_link_context_menu_id:
124 Browser.sendString(BrowserBookmarksPage.this, getUrl(i.position),
125 getText(R.string.choosertitle_sharevia).toString());
127 case R.id.copy_url_context_menu_id:
128 copy(getUrl(i.position));
130 case R.id.homepage_context_menu_id:
131 BrowserSettings.getInstance().setHomePage(this,
133 Toast.makeText(this, R.string.homepage_set,
134 Toast.LENGTH_LONG).show();
136 // Only for the Most visited page
137 case R.id.save_to_bookmarks_menu_id:
141 if (mViewMode == BookmarkViewMode.GRID) {
142 isBookmark = mBookmarksAdapter.getIsBookmark(i.position);
143 name = mBookmarksAdapter.getTitle(i.position);
144 url = mBookmarksAdapter.getUrl(i.position);
146 HistoryItem historyItem = ((HistoryItem) i.targetView);
147 isBookmark = historyItem.isBookmark();
148 name = historyItem.getName();
149 url = historyItem.getUrl();
151 // If the site is bookmarked, the item becomes remove from
154 Bookmarks.removeFromBookmarks(this, getContentResolver(), url, name);
156 Browser.saveBookmark(this, name, url);
160 return super.onContextItemSelected(item);
166 public void onCreateContextMenu(ContextMenu menu, View v,
167 ContextMenuInfo menuInfo) {
168 AdapterView.AdapterContextMenuInfo i =
169 (AdapterView.AdapterContextMenuInfo) menuInfo;
171 MenuInflater inflater = getMenuInflater();
173 inflater.inflate(R.menu.historycontext, menu);
175 inflater.inflate(R.menu.bookmarkscontext, menu);
178 if (0 == i.position && !mMostVisited) {
179 menu.setGroupVisible(R.id.CONTEXT_MENU, false);
180 if (mAddHeader == null) {
181 mAddHeader = new AddNewBookmark(BrowserBookmarksPage.this);
182 } else if (mAddHeader.getParent() != null) {
183 ((ViewGroup) mAddHeader.getParent()).
184 removeView(mAddHeader);
186 mAddHeader.setUrl(getIntent().getStringExtra("url"));
187 menu.setHeaderView(mAddHeader);
191 if ((mViewMode == BookmarkViewMode.LIST
192 && ((HistoryItem) i.targetView).isBookmark())
193 || mBookmarksAdapter.getIsBookmark(i.position)) {
194 MenuItem item = menu.findItem(
195 R.id.save_to_bookmarks_menu_id);
196 item.setTitle(R.string.remove_from_bookmarks);
199 // The historycontext menu has no ADD_MENU group.
200 menu.setGroupVisible(R.id.ADD_MENU, false);
202 if (mDisableNewWindow) {
203 menu.findItem(R.id.new_window_context_menu_id).setVisible(
206 if (mContextHeader == null) {
207 mContextHeader = new BookmarkItem(BrowserBookmarksPage.this);
208 } else if (mContextHeader.getParent() != null) {
209 ((ViewGroup) mContextHeader.getParent()).
210 removeView(mContextHeader);
212 if (mViewMode == BookmarkViewMode.GRID) {
213 mBookmarksAdapter.populateBookmarkItem(mContextHeader,
216 BookmarkItem b = (BookmarkItem) i.targetView;
217 b.copyTo(mContextHeader);
219 menu.setHeaderView(mContextHeader);
223 * Create a new BrowserBookmarksPage.
226 protected void onCreate(Bundle icicle) {
227 super.onCreate(icicle);
229 if (Intent.ACTION_CREATE_SHORTCUT.equals(getIntent().getAction())) {
230 mCreateShortcut = true;
232 mDisableNewWindow = getIntent().getBooleanExtra("disable_new_window",
234 mMostVisited = getIntent().getBooleanExtra("mostVisited", false);
236 if (mCreateShortcut) {
237 setTitle(R.string.browser_bookmarks_page_bookmarks_text);
239 mHandler.obtainMessage(CREATE_ADAPTER).sendToTarget();
241 setContentView(R.layout.empty_history);
242 mEmptyView = findViewById(R.id.empty_view);
243 mEmptyView.setVisibility(View.GONE);
245 SharedPreferences p = getPreferences(MODE_PRIVATE);
247 // See if the user has set a preference for the view mode of their
248 // bookmarks. Otherwise default to grid mode.
249 BookmarkViewMode preference = BookmarkViewMode.NONE;
251 // For the most visited page, only use list mode.
252 preference = BookmarkViewMode.LIST;
254 preference = BookmarkViewMode.values()[p.getInt(
255 PREF_BOOKMARK_VIEW_MODE, BookmarkViewMode.GRID.ordinal())];
257 switchViewMode(preference);
261 * Set the ContentView to be either the grid of thumbnails or the vertical
264 private void switchViewMode(BookmarkViewMode viewMode) {
265 if (mViewMode == viewMode) {
269 mViewMode = viewMode;
271 // Update the preferences to make the new view mode sticky.
272 Editor ed = getPreferences(MODE_PRIVATE).edit();
274 ed.putInt(PREF_MOST_VISITED_VIEW_MODE, mViewMode.ordinal());
276 ed.putInt(PREF_BOOKMARK_VIEW_MODE, mViewMode.ordinal());
280 if (mBookmarksAdapter != null) {
281 mBookmarksAdapter.switchViewMode(viewMode);
283 if (mViewMode == BookmarkViewMode.GRID) {
284 if (mGridPage == null) {
285 mGridPage = new GridView(this);
286 if (mBookmarksAdapter != null) {
287 mGridPage.setAdapter(mBookmarksAdapter);
289 mGridPage.setOnItemClickListener(mListener);
290 mGridPage.setNumColumns(GridView.AUTO_FIT);
291 mGridPage.setColumnWidth(
292 BrowserActivity.getDesiredThumbnailWidth(this));
293 mGridPage.setFocusable(true);
294 mGridPage.setFocusableInTouchMode(true);
295 mGridPage.setSelector(android.R.drawable.gallery_thumb);
296 float density = getResources().getDisplayMetrics().density;
297 mGridPage.setVerticalSpacing((int) (14 * density));
298 mGridPage.setHorizontalSpacing((int) (8 * density));
299 mGridPage.setStretchMode(GridView.STRETCH_SPACING);
300 mGridPage.setScrollBarStyle(View.SCROLLBARS_INSIDE_INSET);
301 mGridPage.setDrawSelectorOnTop(true);
303 mGridPage.setEmptyView(mEmptyView);
305 if (!mCreateShortcut) {
306 mGridPage.setOnCreateContextMenuListener(this);
309 addContentView(mGridPage, FULL_SCREEN_PARAMS);
310 if (mVerticalList != null) {
311 ViewGroup parent = (ViewGroup) mVerticalList.getParent();
312 if (parent != null) {
313 parent.removeView(mVerticalList);
317 if (null == mVerticalList) {
318 ListView listView = new ListView(this);
319 if (mBookmarksAdapter != null) {
320 listView.setAdapter(mBookmarksAdapter);
322 listView.setDrawSelectorOnTop(false);
323 listView.setVerticalScrollBarEnabled(true);
324 listView.setOnItemClickListener(mListener);
326 listView.setEmptyView(mEmptyView);
328 if (!mCreateShortcut) {
329 listView.setOnCreateContextMenuListener(this);
331 mVerticalList = listView;
333 addContentView(mVerticalList, FULL_SCREEN_PARAMS);
334 if (mGridPage != null) {
335 ViewGroup parent = (ViewGroup) mGridPage.getParent();
336 if (parent != null) {
337 parent.removeView(mGridPage);
343 private static final ViewGroup.LayoutParams FULL_SCREEN_PARAMS
344 = new ViewGroup.LayoutParams(
345 ViewGroup.LayoutParams.MATCH_PARENT,
346 ViewGroup.LayoutParams.MATCH_PARENT);
348 private static final int SAVE_CURRENT_PAGE = 1000;
349 private static final int CREATE_ADAPTER = 1001;
350 private final Handler mHandler = new Handler() {
352 public void handleMessage(Message msg) {
354 case SAVE_CURRENT_PAGE:
358 Intent intent = getIntent();
359 mBookmarksAdapter = new BrowserBookmarksAdapter(
360 BrowserBookmarksPage.this,
361 intent.getStringExtra("url"),
362 intent.getStringExtra("title"),
363 (Bitmap) intent.getParcelableExtra("thumbnail"),
366 mBookmarksAdapter.switchViewMode(mViewMode);
367 if (mGridPage != null) {
368 mGridPage.setAdapter(mBookmarksAdapter);
370 if (mVerticalList != null) {
371 mVerticalList.setAdapter(mBookmarksAdapter);
378 private AdapterView.OnItemClickListener mListener = new AdapterView.OnItemClickListener() {
379 public void onItemClick(AdapterView parent, View v, int position, long id) {
380 // It is possible that the view has been canceled when we get to
381 // this point as back has a higher priority
383 android.util.Log.e(LOGTAG, "item clicked when dismissing");
386 if (!mCreateShortcut) {
387 if (0 == position && !mMostVisited) {
388 // XXX: Work-around for a framework issue.
389 mHandler.sendEmptyMessage(SAVE_CURRENT_PAGE);
394 final Intent intent = createShortcutIntent(position);
395 setResultToParent(RESULT_OK, intent);
401 private Intent createShortcutIntent(int position) {
402 String url = getUrl(position);
403 String title = getBookmarkTitle(position);
404 Bitmap touchIcon = getTouchIcon(position);
406 final Intent i = new Intent();
407 final Intent shortcutIntent = new Intent(Intent.ACTION_VIEW,
409 long urlHash = url.hashCode();
410 long uniqueId = (urlHash << 32) | shortcutIntent.hashCode();
411 shortcutIntent.putExtra(Browser.EXTRA_APPLICATION_ID,
412 Long.toString(uniqueId));
413 i.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
414 i.putExtra(Intent.EXTRA_SHORTCUT_NAME, title);
415 // Use the apple-touch-icon if available
416 if (touchIcon != null) {
417 // Make a copy so we can modify the pixels.
418 Bitmap copy = touchIcon.copy(Bitmap.Config.ARGB_8888, true);
419 Canvas canvas = new Canvas(copy);
421 // Construct a path from a round rect. This will allow drawing with
422 // an inverse fill so we can punch a hole using the round rect.
423 Path path = new Path();
424 path.setFillType(Path.FillType.INVERSE_WINDING);
425 RectF rect = new RectF(0, 0, touchIcon.getWidth(),
426 touchIcon.getHeight());
428 path.addRoundRect(rect, 8f, 8f, Path.Direction.CW);
430 // Construct a paint that clears the outside of the rectangle and
432 Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
433 paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
434 canvas.drawPath(path, paint);
436 i.putExtra(Intent.EXTRA_SHORTCUT_ICON, copy);
438 Bitmap favicon = getFavicon(position);
439 if (favicon == null) {
440 i.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
441 Intent.ShortcutIconResource.fromContext(
442 BrowserBookmarksPage.this,
443 R.drawable.ic_launcher_shortcut_browser_bookmark));
445 Bitmap icon = BitmapFactory.decodeResource(getResources(),
446 R.drawable.ic_launcher_shortcut_browser_bookmark);
448 // Make a copy of the regular icon so we can modify the pixels.
449 Bitmap copy = icon.copy(Bitmap.Config.ARGB_8888, true);
450 Canvas canvas = new Canvas(copy);
452 // Make a Paint for the white background rectangle and for
453 // filtering the favicon.
454 Paint p = new Paint(Paint.ANTI_ALIAS_FLAG
455 | Paint.FILTER_BITMAP_FLAG);
456 p.setStyle(Paint.Style.FILL_AND_STROKE);
457 p.setColor(Color.WHITE);
459 float density = getResources().getDisplayMetrics().density;
460 // Create a rectangle that is slightly wider than the favicon
461 final float iconSize = 16 * density; // 16x16 favicon
462 final float padding = 2; // white padding around icon
463 final float rectSize = iconSize + 2 * padding;
464 final float y = icon.getHeight() - rectSize;
465 RectF r = new RectF(0, y, rectSize, y + rectSize);
467 // Draw a white rounded rectangle behind the favicon
468 canvas.drawRoundRect(r, 2, 2, p);
470 // Draw the favicon in the same rectangle as the rounded
471 // rectangle but inset by the padding
472 // (results in a 16x16 favicon).
473 r.inset(padding, padding);
474 canvas.drawBitmap(favicon, null, r, p);
475 i.putExtra(Intent.EXTRA_SHORTCUT_ICON, copy);
478 // Do not allow duplicate items
479 i.putExtra("duplicate", false);
483 private void saveCurrentPage() {
484 Intent i = new Intent(BrowserBookmarksPage.this,
485 AddBookmarkPage.class);
486 i.putExtras(getIntent());
487 startActivityForResult(i, BOOKMARKS_SAVE);
490 private void loadUrl(int position) {
491 Intent intent = (new Intent()).setAction(getUrl(position));
492 setResultToParent(RESULT_OK, intent);
497 public boolean onCreateOptionsMenu(Menu menu) {
498 boolean result = super.onCreateOptionsMenu(menu);
499 if (!mCreateShortcut && !mMostVisited) {
500 MenuInflater inflater = getMenuInflater();
501 inflater.inflate(R.menu.bookmarks, menu);
508 public boolean onPrepareOptionsMenu(Menu menu) {
509 boolean result = super.onPrepareOptionsMenu(menu);
510 if (mCreateShortcut || mMostVisited || mBookmarksAdapter == null
511 || mBookmarksAdapter.getCount() == 0) {
512 // No need to show the menu if there are no items.
515 MenuItem switchItem = menu.findItem(R.id.switch_mode_menu_id);
518 if (mViewMode == BookmarkViewMode.GRID) {
519 titleResId = R.string.switch_to_list;
520 iconResId = R.drawable.ic_menu_list;
522 titleResId = R.string.switch_to_thumbnails;
523 iconResId = R.drawable.ic_menu_thumbnail;
525 switchItem.setTitle(titleResId);
526 switchItem.setIcon(iconResId);
531 public boolean onOptionsItemSelected(MenuItem item) {
532 switch (item.getItemId()) {
533 case R.id.new_context_menu_id:
537 case R.id.switch_mode_menu_id:
538 if (mViewMode == BookmarkViewMode.GRID) {
539 switchViewMode(BookmarkViewMode.LIST);
541 switchViewMode(BookmarkViewMode.GRID);
546 return super.onOptionsItemSelected(item);
551 private void openInNewWindow(int position) {
552 Bundle b = new Bundle();
553 b.putBoolean("new_window", true);
554 setResultToParent(RESULT_OK,
555 (new Intent()).setAction(getUrl(position)).putExtras(b));
561 private void editBookmark(int position) {
562 Intent intent = new Intent(BrowserBookmarksPage.this,
563 AddBookmarkPage.class);
564 intent.putExtra("bookmark", getRow(position));
565 startActivityForResult(intent, BOOKMARKS_SAVE);
569 protected void onActivityResult(int requestCode, int resultCode,
571 switch(requestCode) {
573 if (resultCode == RESULT_OK) {
575 if (data != null && (extras = data.getExtras()) != null) {
576 // If there are extras, then we need to save
577 // the edited bookmark. This is done in updateRow()
578 String title = extras.getString("title");
579 String url = extras.getString("url");
580 if (title != null && url != null) {
581 mBookmarksAdapter.updateRow(extras);
584 // extras == null then a new bookmark was added to
595 private void displayRemoveBookmarkDialog(int position) {
596 // Put up a dialog asking if the user really wants to
597 // delete the bookmark
598 final int deletePos = position;
599 new AlertDialog.Builder(this)
600 .setTitle(R.string.delete_bookmark)
601 .setIcon(android.R.drawable.ic_dialog_alert)
602 .setMessage(getText(R.string.delete_bookmark_warning).toString().replace(
603 "%s", getBookmarkTitle(deletePos)))
604 .setPositiveButton(R.string.ok,
605 new DialogInterface.OnClickListener() {
606 public void onClick(DialogInterface dialog, int whichButton) {
607 deleteBookmark(deletePos);
610 .setNegativeButton(R.string.cancel, null)
615 * Refresh the shown list after the database has changed.
617 private void refreshList() {
618 mBookmarksAdapter.refreshList();
622 * Return a hashmap representing the currently highlighted row.
624 public Bundle getRow(int position) {
625 return mBookmarksAdapter == null ? null
626 : mBookmarksAdapter.getRow(position);
630 * Return the url of the currently highlighted row.
632 public String getUrl(int position) {
633 return mBookmarksAdapter == null ? null
634 : mBookmarksAdapter.getUrl(position);
638 * Return the favicon of the currently highlighted row.
640 public Bitmap getFavicon(int position) {
641 return mBookmarksAdapter == null ? null
642 : mBookmarksAdapter.getFavicon(position);
645 private Bitmap getTouchIcon(int position) {
646 return mBookmarksAdapter == null ? null
647 : mBookmarksAdapter.getTouchIcon(position);
650 private void copy(CharSequence text) {
652 IClipboard clip = IClipboard.Stub.asInterface(ServiceManager.getService("clipboard"));
654 clip.setClipboardText(text);
656 } catch (android.os.RemoteException e) {
657 Log.e(LOGTAG, "Copy failed", e);
661 public String getBookmarkTitle(int position) {
662 return mBookmarksAdapter == null ? null
663 : mBookmarksAdapter.getTitle(position);
667 * Delete the currently highlighted row.
669 public void deleteBookmark(int position) {
670 if (mBookmarksAdapter == null) return;
671 mBookmarksAdapter.deleteRow(position);
675 public void onBackPressed() {
676 setResultToParent(RESULT_CANCELED, null);
678 super.onBackPressed();
681 // This Activity is generally a sub-Activity of CombinedHistoryActivity. In
682 // that situation, we need to pass our result code up to our parent.
683 // However, if someone calls this Activity directly, then this has no
684 // parent, and it needs to set it on itself.
685 private void setResultToParent(int resultCode, Intent data) {
686 Activity a = getParent() == null ? this : getParent();
687 a.setResult(resultCode, data);