BrowserBookmarksPage.java revision 052ce667ce77c4fb3208c0b0dacba7be79c072d9 
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
17package com.android.browser;
18
19import android.app.Activity;
20import android.app.AlertDialog;
21import android.app.Fragment;
22import android.app.LoaderManager;
23import android.content.ClipData;
24import android.content.ClipboardManager;
25import android.content.ContentResolver;
26import android.content.ContentUris;
27import android.content.ContentValues;
28import android.content.Context;
29import android.content.CursorLoader;
30import android.content.DialogInterface;
31import android.content.Intent;
32import android.content.Loader;
33import android.content.SharedPreferences;
34import android.database.Cursor;
35import android.graphics.Bitmap;
36import android.graphics.BitmapFactory;
37import android.net.Uri;
38import android.os.Bundle;
39import android.preference.PreferenceManager;
40import android.provider.BrowserContract;
41import android.provider.BrowserContract.Accounts;
42import android.text.TextUtils;
43import android.util.Pair;
44import android.view.ContextMenu;
45import android.view.ContextMenu.ContextMenuInfo;
46import android.view.LayoutInflater;
47import android.view.MenuInflater;
48import android.view.MenuItem;
49import android.view.View;
50import android.view.View.OnClickListener;
51import android.view.ViewGroup;
52import android.webkit.WebIconDatabase.IconListener;
53import android.widget.Adapter;
54import android.widget.AdapterView;
55import android.widget.AdapterView.OnItemClickListener;
56import android.widget.AdapterView.OnItemSelectedListener;
57import android.widget.ArrayAdapter;
58import android.widget.Button;
59import android.widget.GridView;
60import android.widget.Spinner;
61import android.widget.Toast;
62
63import java.util.ArrayList;
64import java.util.Stack;
65
66/**
67 *  View showing the user's bookmarks in the browser.
68 */
69public class BrowserBookmarksPage extends Fragment implements View.OnCreateContextMenuListener,
70        LoaderManager.LoaderCallbacks<Cursor>, OnItemClickListener, IconListener, OnClickListener,
71        OnItemSelectedListener {
72
73    static final int BOOKMARKS_SAVE = 1;
74    static final String LOGTAG = "browser";
75
76    static final int LOADER_BOOKMARKS = 1;
77    static final int LOADER_ACCOUNTS = 2;
78    static final int LOADER_ACCOUNTS_THEN_BOOKMARKS = 3;
79
80    static final String EXTRA_SHORTCUT = "create_shortcut";
81    static final String EXTRA_DISABLE_WINDOW = "disable_new_window";
82
83    static final String ACCOUNT_NAME_UNSYNCED = "Unsynced";
84
85    public static final String PREF_ACCOUNT_TYPE = "acct_type";
86    public static final String PREF_ACCOUNT_NAME = "acct_name";
87
88    static final String DEFAULT_ACCOUNT = "local";
89
90    BookmarksHistoryCallbacks mCallbacks;
91    GridView mGrid;
92    Spinner mAccountSelector;
93    BrowserBookmarksAdapter mAdapter;
94    boolean mDisableNewWindow;
95    BookmarkItem mContextHeader;
96    boolean mCanceled = false;
97    boolean mCreateShortcut;
98    View mEmptyView;
99    View mContentView;
100    Stack<Pair<String, Uri>> mFolderStack = new Stack<Pair<String, Uri>>();
101    Button mUpButton;
102
103    @Override
104    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
105        switch (id) {
106            case LOADER_BOOKMARKS: {
107                String accountType = null;
108                String accountName = null;
109                if (args != null) {
110                    accountType = args.getString(BookmarksLoader.ARG_ACCOUNT_TYPE);
111                    accountName = args.getString(BookmarksLoader.ARG_ACCOUNT_NAME);
112                }
113                return new BookmarksLoader(getActivity(), accountType, accountName);
114            }
115
116            case LOADER_ACCOUNTS:
117            case LOADER_ACCOUNTS_THEN_BOOKMARKS: {
118                return new CursorLoader(getActivity(), Accounts.CONTENT_URI,
119                        new String[] { Accounts.ACCOUNT_TYPE, Accounts.ACCOUNT_NAME }, null, null,
120                        null);
121            }
122        }
123        throw new UnsupportedOperationException("Unknown loader id " + id);
124    }
125
126    @Override
127    public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
128        switch (loader.getId()) {
129            case LOADER_BOOKMARKS: {
130                // Set the visibility of the empty vs. content views
131                if (cursor == null || cursor.getCount() == 0) {
132                    mEmptyView.setVisibility(View.VISIBLE);
133                    mGrid.setVisibility(View.GONE);
134                } else {
135                    mEmptyView.setVisibility(View.GONE);
136                    mGrid.setVisibility(View.VISIBLE);
137                }
138
139                // Fill in the "up" button if needed
140                BookmarksLoader bl = (BookmarksLoader) loader;
141                String path = bl.getUri().getPath();
142                boolean rootFolder =
143                        BrowserContract.Bookmarks.CONTENT_URI_DEFAULT_FOLDER.getPath().equals(path);
144                if (rootFolder) {
145                    mUpButton.setText(R.string.defaultBookmarksUpButton);
146                    mUpButton.setEnabled(false);
147                } else {
148                    mUpButton.setText(mFolderStack.peek().first);
149                    mUpButton.setEnabled(true);
150                }
151                mUpButton.setVisibility(View.VISIBLE);
152
153                // Give the new data to the adapter
154                mAdapter.changeCursor(cursor);
155
156                break;
157            }
158
159            case LOADER_ACCOUNTS:
160            case LOADER_ACCOUNTS_THEN_BOOKMARKS: {
161                SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(
162                        getActivity());
163                String storedAccountType = prefs.getString(PREF_ACCOUNT_TYPE, null);
164                String storedAccountName = prefs.getString(PREF_ACCOUNT_NAME, null);
165                String accountType =
166                        TextUtils.isEmpty(storedAccountType) ? DEFAULT_ACCOUNT : storedAccountType;
167                String accountName =
168                        TextUtils.isEmpty(storedAccountName) ? DEFAULT_ACCOUNT : storedAccountName;
169
170                Bundle args = null;
171                if (cursor == null || !cursor.moveToFirst()) {
172                    // No accounts, set the prefs to the default
173                    accountType = DEFAULT_ACCOUNT;
174                    accountName = DEFAULT_ACCOUNT;
175                    mAccountSelector.setVisibility(View.GONE);
176                } else {
177                    int accountPosition = -1;
178
179                    if (!DEFAULT_ACCOUNT.equals(accountType) &&
180                            !DEFAULT_ACCOUNT.equals(accountName)) {
181                        // Check to see if the account in prefs still exists
182                        cursor.moveToFirst();
183                        do {
184                            if (accountType.equals(cursor.getString(0))
185                                    && accountName.equals(cursor.getString(1))) {
186                                accountPosition = cursor.getPosition();
187                                break;
188                            }
189                        } while (cursor.moveToNext());
190                    }
191
192                    if (accountPosition == -1) {
193                        if ((DEFAULT_ACCOUNT.equals(accountType)
194                                && DEFAULT_ACCOUNT.equals(accountName))) {
195                            // The "unsynced" account is selected
196                            accountPosition = cursor.getCount();
197                        } else {
198                            // No account is set in prefs and there is at least one,
199                            // so pick the first one as the default
200                            cursor.moveToFirst();
201                            accountType = cursor.getString(0);
202                            accountName = cursor.getString(1);
203                            accountPosition = 0;
204                        }
205                    }
206
207                    args = new Bundle();
208                    args.putString(BookmarksLoader.ARG_ACCOUNT_TYPE, accountType);
209                    args.putString(BookmarksLoader.ARG_ACCOUNT_NAME, accountName);
210
211                    // Add in the sync accounts
212                    ArrayList<String> accounts = new ArrayList<String>();
213                    cursor.moveToFirst();
214                    do {
215                        accounts.add(cursor.getString(1));
216                    } while (cursor.moveToNext());
217
218                    // STOPSHIP: Add in the "unsynced" account temporarily until we
219                    // have support for migrated unsynced bookmarks into sync accounts.
220                    accounts.add(ACCOUNT_NAME_UNSYNCED);
221
222                    mAccountSelector.setAdapter(new ArrayAdapter<String>(getActivity(),
223                            android.R.layout.simple_list_item_1, android.R.id.text1, accounts));
224                    mAccountSelector.setVisibility(View.VISIBLE);
225                    mAccountSelector.setSelection(accountPosition);
226                }
227                if (!accountType.equals(storedAccountType)
228                        || !accountName.equals(storedAccountName)) {
229                    prefs.edit()
230                            .putString(PREF_ACCOUNT_TYPE, accountType)
231                            .putString(PREF_ACCOUNT_NAME, accountName)
232                            .apply();
233                }
234                if (loader.getId() == LOADER_ACCOUNTS_THEN_BOOKMARKS) {
235                    getLoaderManager().initLoader(LOADER_BOOKMARKS, args, this);
236                }
237
238                break;
239            }
240        }
241    }
242
243    @Override
244    public void onClick(View view) {
245        if (view == mUpButton) {
246            Pair<String, Uri> pair = mFolderStack.pop();
247            BookmarksLoader loader =
248                    (BookmarksLoader) ((Loader) getLoaderManager().getLoader(LOADER_BOOKMARKS));
249            loader.setUri(pair.second);
250            loader.forceLoad();
251        }
252    }
253
254    @Override
255    public boolean onContextItemSelected(MenuItem item) {
256        final Activity activity = getActivity();
257        // It is possible that the view has been canceled when we get to
258        // this point as back has a higher priority
259        if (mCanceled) {
260            return true;
261        }
262        AdapterView.AdapterContextMenuInfo i =
263            (AdapterView.AdapterContextMenuInfo)item.getMenuInfo();
264        // If we have no menu info, we can't tell which item was selected.
265        if (i == null) {
266            return true;
267        }
268
269        switch (item.getItemId()) {
270        case R.id.open_context_menu_id:
271            loadUrl(i.position);
272            break;
273        case R.id.edit_context_menu_id:
274            editBookmark(i.position);
275            break;
276        case R.id.shortcut_context_menu_id:
277            activity.sendBroadcast(createShortcutIntent(i.position));
278            break;
279        case R.id.delete_context_menu_id:
280            displayRemoveBookmarkDialog(i.position);
281            break;
282        case R.id.new_window_context_menu_id:
283            openInNewWindow(i.position);
284            break;
285        case R.id.share_link_context_menu_id: {
286            Cursor cursor = (Cursor) mAdapter.getItem(i.position);
287            BrowserActivity.sharePage(activity,
288                    cursor.getString(BookmarksLoader.COLUMN_INDEX_TITLE),
289                    cursor.getString(BookmarksLoader.COLUMN_INDEX_URL),
290                    getBitmap(cursor, BookmarksLoader.COLUMN_INDEX_FAVICON),
291                    getBitmap(cursor, BookmarksLoader.COLUMN_INDEX_THUMBNAIL));
292            break;
293        }
294        case R.id.copy_url_context_menu_id:
295            copy(getUrl(i.position));
296            break;
297        case R.id.homepage_context_menu_id: {
298            BrowserSettings.getInstance().setHomePage(activity, getUrl(i.position));
299            Toast.makeText(activity, R.string.homepage_set, Toast.LENGTH_LONG).show();
300            break;
301        }
302        // Only for the Most visited page
303        case R.id.save_to_bookmarks_menu_id: {
304            Cursor cursor = (Cursor) mAdapter.getItem(i.position);
305            String name = cursor.getString(BookmarksLoader.COLUMN_INDEX_TITLE);
306            String url = cursor.getString(BookmarksLoader.COLUMN_INDEX_URL);
307            // If the site is bookmarked, the item becomes remove from
308            // bookmarks.
309            Bookmarks.removeFromBookmarks(activity, activity.getContentResolver(), url, name);
310            break;
311        }
312        default:
313            return super.onContextItemSelected(item);
314        }
315        return true;
316    }
317
318    Bitmap getBitmap(Cursor cursor, int columnIndex) {
319        byte[] data = cursor.getBlob(columnIndex);
320        if (data == null) {
321            return null;
322        }
323        return BitmapFactory.decodeByteArray(data, 0, data.length);
324    }
325
326    @Override
327    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
328        AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
329
330        final Activity activity = getActivity();
331        MenuInflater inflater = activity.getMenuInflater();
332        inflater.inflate(R.menu.bookmarkscontext, menu);
333
334        if (mDisableNewWindow) {
335            menu.findItem(R.id.new_window_context_menu_id).setVisible(false);
336        }
337
338        if (mContextHeader == null) {
339            mContextHeader = new BookmarkItem(activity);
340        } else if (mContextHeader.getParent() != null) {
341            ((ViewGroup) mContextHeader.getParent()).removeView(mContextHeader);
342        }
343
344        populateBookmarkItem(mAdapter, mContextHeader, info.position);
345
346        menu.setHeaderView(mContextHeader);
347    }
348
349    private void populateBookmarkItem(BrowserBookmarksAdapter adapter, BookmarkItem item,
350            int position) {
351        Cursor cursor = (Cursor) mAdapter.getItem(position);
352        String url = cursor.getString(BookmarksLoader.COLUMN_INDEX_URL);
353        item.setUrl(url);
354        item.setName(cursor.getString(BookmarksLoader.COLUMN_INDEX_TITLE));
355        Bitmap bitmap = getBitmap(cursor, BookmarksLoader.COLUMN_INDEX_FAVICON);
356        if (bitmap == null) {
357            bitmap = CombinedBookmarkHistoryActivity.getIconListenerSet().getFavicon(url);
358        }
359        item.setFavicon(bitmap);
360    }
361
362    /**
363     *  Create a new BrowserBookmarksPage.
364     */
365    @Override
366    public void onCreate(Bundle icicle) {
367        super.onCreate(icicle);
368
369        Bundle args = getArguments();
370        mCreateShortcut = args == null ? false : args.getBoolean("create_shortcut", false);
371        mDisableNewWindow = args == null ? false : args.getBoolean("disable_new_window", false);
372    }
373
374    @Override
375    public void onAttach(Activity activity) {
376        super.onAttach(activity);
377        mCallbacks = (BookmarksHistoryCallbacks) activity;
378    }
379
380    @Override
381    public View onCreateView(LayoutInflater inflater, ViewGroup container,
382            Bundle savedInstanceState) {
383        Context context = getActivity();
384
385        View root = inflater.inflate(R.layout.bookmarks, container, false);
386        mEmptyView = root.findViewById(android.R.id.empty);
387        mContentView = root.findViewById(android.R.id.content);
388
389        mGrid = (GridView) root.findViewById(R.id.grid);
390        mGrid.setOnItemClickListener(this);
391        mGrid.setColumnWidth(BrowserActivity.getDesiredThumbnailWidth(getActivity()));
392        if (!mCreateShortcut) {
393            mGrid.setOnCreateContextMenuListener(this);
394        }
395
396        mAccountSelector = (Spinner) root.findViewById(R.id.accounts);
397        mAccountSelector.setOnItemSelectedListener(this);
398        mAccountSelector.setVisibility(View.INVISIBLE);
399
400        mUpButton = (Button) root.findViewById(R.id.up);
401        mUpButton.setEnabled(false);
402        mUpButton.setOnClickListener(this);
403        mUpButton.setVisibility(View.GONE);
404
405        mAdapter = new BrowserBookmarksAdapter(getActivity());
406        mGrid.setAdapter(mAdapter);
407
408        // Start the loaders
409        LoaderManager lm = getLoaderManager();
410        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
411        String accountType = prefs.getString(PREF_ACCOUNT_TYPE, null);
412        String accountName = prefs.getString(PREF_ACCOUNT_NAME, null);
413        if (!TextUtils.isEmpty(accountType) && !TextUtils.isEmpty(accountName)) {
414            // There is an account set, load up that one
415            Bundle args = null;
416            if (!DEFAULT_ACCOUNT.equals(accountType) && !DEFAULT_ACCOUNT.equals(accountName)) {
417                args = new Bundle();
418                args.putString(BookmarksLoader.ARG_ACCOUNT_TYPE, accountType);
419                args.putString(BookmarksLoader.ARG_ACCOUNT_NAME, accountName);
420            }
421            lm.restartLoader(LOADER_BOOKMARKS, args, this);
422            lm.restartLoader(LOADER_ACCOUNTS, null, this);
423        } else {
424            // No account set, load them first
425            lm.restartLoader(LOADER_ACCOUNTS_THEN_BOOKMARKS, null, this);
426        }
427
428        // Add our own listener in case there are favicons that have yet to be loaded.
429        CombinedBookmarkHistoryActivity.getIconListenerSet().addListener(this);
430
431        return root;
432    }
433
434    @Override
435    public void onReceivedIcon(String url, Bitmap icon) {
436        // A new favicon has been loaded, so let anything attached to the adapter know about it
437        // so new icons will be loaded.
438        mAdapter.notifyDataSetChanged();
439    }
440
441    @Override
442    public void onItemClick(AdapterView parent, View v, int position, long id) {
443        // It is possible that the view has been canceled when we get to
444        // this point as back has a higher priority
445        if (mCanceled) {
446            android.util.Log.e(LOGTAG, "item clicked when dismissing");
447            return;
448        }
449
450        if (mCreateShortcut) {
451            Intent intent = createShortcutIntent(position);
452            // the activity handles the intent in startActivityFromFragment
453            startActivity(intent);
454            return;
455        }
456
457        Cursor cursor = (Cursor) mAdapter.getItem(position);
458        boolean isFolder = cursor.getInt(BookmarksLoader.COLUMN_INDEX_IS_FOLDER) != 0;
459        if (!isFolder) {
460            mCallbacks.onUrlSelected(getUrl(position), false);
461        } else {
462            String title;
463            if (mFolderStack.size() != 0) {
464                title = cursor.getString(BookmarksLoader.COLUMN_INDEX_TITLE);
465            } else {
466                // TODO localize
467                title = "Bookmarks";
468            }
469            LoaderManager manager = getLoaderManager();
470            BookmarksLoader loader =
471                    (BookmarksLoader) ((Loader) manager.getLoader(LOADER_BOOKMARKS));
472            mFolderStack.push(new Pair(title, loader.getUri()));
473            Uri uri = ContentUris.withAppendedId(
474                    BrowserContract.Bookmarks.CONTENT_URI_DEFAULT_FOLDER, id);
475            loader.setUri(uri);
476            loader.forceLoad();
477        }
478    }
479
480    @Override
481    public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
482        Adapter adapter = parent.getAdapter();
483        String accountType = "com.google";
484        String accountName = adapter.getItem(position).toString();
485
486        Bundle args = null;
487        if (ACCOUNT_NAME_UNSYNCED.equals(accountName)) {
488            accountType = DEFAULT_ACCOUNT;
489            accountName = DEFAULT_ACCOUNT;
490        } else {
491            args = new Bundle();
492            args.putString(BookmarksLoader.ARG_ACCOUNT_TYPE, accountType);
493            args.putString(BookmarksLoader.ARG_ACCOUNT_NAME, accountName);
494        }
495
496        // Remember the selection for later
497        PreferenceManager.getDefaultSharedPreferences(getActivity()).edit()
498                .putString(PREF_ACCOUNT_TYPE, accountType)
499                .putString(PREF_ACCOUNT_NAME, accountName)
500                .apply();
501
502        getLoaderManager().restartLoader(LOADER_BOOKMARKS, args, this);
503    }
504
505    @Override
506    public void onNothingSelected(AdapterView<?> parent) {
507        // Do nothing
508    }
509
510    private Intent createShortcutIntent(int position) {
511        Cursor cursor = (Cursor) mAdapter.getItem(position);
512        String url = cursor.getString(BookmarksLoader.COLUMN_INDEX_URL);
513        String title = cursor.getString(BookmarksLoader.COLUMN_INDEX_URL);
514        Bitmap touchIcon = getBitmap(cursor, BookmarksLoader.COLUMN_INDEX_TOUCH_ICON);
515        Bitmap favicon = getBitmap(cursor, BookmarksLoader.COLUMN_INDEX_FAVICON);
516        return BookmarkUtils.createAddToHomeIntent(getActivity(), url, title, touchIcon, favicon);
517    }
518
519    private void loadUrl(int position) {
520        mCallbacks.onUrlSelected(getUrl(position), false);
521    }
522
523    private void openInNewWindow(int position) {
524        mCallbacks.onUrlSelected(getUrl(position), true);
525    }
526
527    private void editBookmark(int position) {
528        Intent intent = new Intent(getActivity(), AddBookmarkPage.class);
529        Cursor cursor = (Cursor) mAdapter.getItem(position);
530        Bundle item = new Bundle();
531        item.putString(BrowserContract.Bookmarks.TITLE,
532                cursor.getString(BookmarksLoader.COLUMN_INDEX_TITLE));
533        item.putString(BrowserContract.Bookmarks.URL,
534                cursor.getString(BookmarksLoader.COLUMN_INDEX_URL));
535        byte[] data = cursor.getBlob(BookmarksLoader.COLUMN_INDEX_FAVICON);
536        if (data != null) {
537            item.putParcelable(BrowserContract.Bookmarks.FAVICON,
538                    BitmapFactory.decodeByteArray(data, 0, data.length));
539        }
540        item.putInt("id", cursor.getInt(BookmarksLoader.COLUMN_INDEX_ID));
541        item.putLong(BrowserContract.Bookmarks.PARENT,
542                cursor.getLong(BookmarksLoader.COLUMN_INDEX_PARENT));
543        intent.putExtra("bookmark", item);
544        startActivityForResult(intent, BOOKMARKS_SAVE);
545    }
546
547    @Override
548    public void onActivityResult(int requestCode, int resultCode, Intent data) {
549        switch(requestCode) {
550            case BOOKMARKS_SAVE:
551                if (resultCode == Activity.RESULT_OK) {
552                    Bundle extras;
553                    if (data != null && (extras = data.getExtras()) != null) {
554                        // If there are extras, then we need to save
555                        // the edited bookmark. This is done in updateRow()
556                        String title = extras.getString("title");
557                        String url = extras.getString("url");
558                        if (title != null && url != null) {
559                            updateRow(extras);
560                        }
561                    }
562                }
563                break;
564        }
565    }
566
567    /**
568     *  Update a row in the database with new information.
569     *  @param map  Bundle storing id, title and url of new information
570     */
571    public void updateRow(Bundle map) {
572
573        // Find the record
574        int id = map.getInt("id");
575        int position = -1;
576        Cursor cursor = mAdapter.getCursor();
577        for (cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext()) {
578            if (cursor.getInt(BookmarksLoader.COLUMN_INDEX_ID) == id) {
579                position = cursor.getPosition();
580                break;
581            }
582        }
583        if (position < 0) {
584            return;
585        }
586
587        cursor.moveToPosition(position);
588        ContentValues values = new ContentValues();
589        String title = map.getString(BrowserContract.Bookmarks.TITLE);
590        if (!title.equals(cursor.getString(BookmarksLoader.COLUMN_INDEX_TITLE))) {
591            values.put(BrowserContract.Bookmarks.TITLE, title);
592        }
593        String url = map.getString(BrowserContract.Bookmarks.URL);
594        if (!url.equals(cursor.getString(BookmarksLoader.COLUMN_INDEX_URL))) {
595            values.put(BrowserContract.Bookmarks.URL, url);
596        }
597
598        if (map.getBoolean("invalidateThumbnail") == true) {
599            values.putNull(BrowserContract.Bookmarks.THUMBNAIL);
600        }
601
602        if (values.size() > 0) {
603            getActivity().getContentResolver().update(
604                    ContentUris.withAppendedId(BrowserContract.Bookmarks.CONTENT_URI, id),
605                    values, null, null);
606        }
607    }
608
609    private void displayRemoveBookmarkDialog(final int position) {
610        // Put up a dialog asking if the user really wants to
611        // delete the bookmark
612        Cursor cursor = (Cursor) mAdapter.getItem(position);
613        Context context = getActivity();
614        final ContentResolver resolver = context.getContentResolver();
615        final Uri uri = ContentUris.withAppendedId(BrowserContract.Bookmarks.CONTENT_URI,
616                cursor.getLong(BookmarksLoader.COLUMN_INDEX_ID));
617
618        new AlertDialog.Builder(context)
619                .setTitle(R.string.delete_bookmark)
620                .setIcon(android.R.drawable.ic_dialog_alert)
621                .setMessage(context.getString(R.string.delete_bookmark_warning,
622                        cursor.getString(BookmarksLoader.COLUMN_INDEX_TITLE)))
623                .setPositiveButton(R.string.ok,
624                        new DialogInterface.OnClickListener() {
625                            public void onClick(DialogInterface dialog, int whichButton) {
626                                resolver.delete(uri, null, null);
627                            }
628                        })
629                .setNegativeButton(R.string.cancel, null)
630                .show();
631    }
632
633    private String getUrl(int position) {
634        Cursor cursor = (Cursor) mAdapter.getItem(position);
635        return cursor.getString(BookmarksLoader.COLUMN_INDEX_URL);
636    }
637
638    private void copy(CharSequence text) {
639        ClipboardManager cm = (ClipboardManager) getActivity().getSystemService(
640                Context.CLIPBOARD_SERVICE);
641        cm.setPrimaryClip(ClipData.newRawUri(null, null, Uri.parse(text.toString())));
642    }
643}
644