BrowserProvider2.java revision 6c22ce6345908c258b9e5043a166229b15653b03
1/*
2 * Copyright (C) 2010 he 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.provider;
18
19import com.android.browser.BookmarkUtils;
20import com.android.browser.BrowserBookmarksPage;
21import com.android.browser.R;
22import com.android.common.content.SyncStateContentProviderHelper;
23
24import android.accounts.Account;
25import android.app.SearchManager;
26import android.content.ContentResolver;
27import android.content.ContentUris;
28import android.content.ContentValues;
29import android.content.Context;
30import android.content.Intent;
31import android.content.SharedPreferences;
32import android.content.UriMatcher;
33import android.content.res.Resources;
34import android.content.res.TypedArray;
35import android.database.AbstractCursor;
36import android.database.Cursor;
37import android.database.DatabaseUtils;
38import android.database.sqlite.SQLiteDatabase;
39import android.database.sqlite.SQLiteOpenHelper;
40import android.database.sqlite.SQLiteQueryBuilder;
41import android.net.Uri;
42import android.preference.PreferenceManager;
43import android.provider.BaseColumns;
44import android.provider.Browser;
45import android.provider.Browser.BookmarkColumns;
46import android.provider.BrowserContract;
47import android.provider.BrowserContract.Accounts;
48import android.provider.BrowserContract.Bookmarks;
49import android.provider.BrowserContract.ChromeSyncColumns;
50import android.provider.BrowserContract.Combined;
51import android.provider.BrowserContract.History;
52import android.provider.BrowserContract.Images;
53import android.provider.BrowserContract.Searches;
54import android.provider.BrowserContract.Settings;
55import android.provider.BrowserContract.SyncState;
56import android.provider.ContactsContract.RawContacts;
57import android.provider.SyncStateContract;
58import android.text.TextUtils;
59
60import java.io.ByteArrayOutputStream;
61import java.io.IOException;
62import java.io.InputStream;
63import java.util.HashMap;
64
65public class BrowserProvider2 extends SQLiteContentProvider {
66
67    static final String LEGACY_AUTHORITY = "browser";
68    static final Uri LEGACY_AUTHORITY_URI = new Uri.Builder()
69            .authority(LEGACY_AUTHORITY).scheme("content").build();
70
71    static final String TABLE_BOOKMARKS = "bookmarks";
72    static final String TABLE_HISTORY = "history";
73    static final String TABLE_IMAGES = "images";
74    static final String TABLE_SEARCHES = "searches";
75    static final String TABLE_SYNC_STATE = "syncstate";
76    static final String TABLE_SETTINGS = "settings";
77
78    static final String TABLE_BOOKMARKS_JOIN_IMAGES = "bookmarks LEFT OUTER JOIN images " +
79            "ON bookmarks.url = images." + Images.URL;
80    static final String TABLE_HISTORY_JOIN_IMAGES = "history LEFT OUTER JOIN images " +
81            "ON history.url = images." + Images.URL;
82
83    static final String FORMAT_COMBINED_JOIN_SUBQUERY_JOIN_IMAGES =
84            "history LEFT OUTER JOIN (%s) bookmarks " +
85            "ON history.url = bookmarks.url LEFT OUTER JOIN images " +
86            "ON history.url = images.url_key";
87
88    static final String DEFAULT_SORT_HISTORY = History.DATE_LAST_VISITED + " DESC";
89
90    private static final String[] SUGGEST_PROJECTION = new String[] {
91            Bookmarks._ID,
92            Bookmarks.URL,
93            Bookmarks.TITLE};
94
95    private static final String SUGGEST_SELECTION =
96            "url LIKE ? OR url LIKE ? OR url LIKE ? OR url LIKE ?"
97            + " OR title LIKE ?";
98
99    private static final String IMAGE_PRUNE =
100            "url_key NOT IN (SELECT url FROM bookmarks " +
101            "WHERE url IS NOT NULL AND deleted == 0) AND url_key NOT IN " +
102            "(SELECT url FROM history WHERE url IS NOT NULL)";
103
104    static final int BOOKMARKS = 1000;
105    static final int BOOKMARKS_ID = 1001;
106    static final int BOOKMARKS_FOLDER = 1002;
107    static final int BOOKMARKS_FOLDER_ID = 1003;
108    static final int BOOKMARKS_SUGGESTIONS = 1004;
109
110    static final int HISTORY = 2000;
111    static final int HISTORY_ID = 2001;
112
113    static final int SEARCHES = 3000;
114    static final int SEARCHES_ID = 3001;
115
116    static final int SYNCSTATE = 4000;
117    static final int SYNCSTATE_ID = 4001;
118
119    static final int IMAGES = 5000;
120
121    static final int COMBINED = 6000;
122    static final int COMBINED_ID = 6001;
123
124    static final int ACCOUNTS = 7000;
125
126    static final int SETTINGS = 8000;
127
128    static final int LEGACY = 9000;
129    static final int LEGACY_ID = 9001;
130
131    public static final long FIXED_ID_ROOT = 1;
132
133    // Default sort order for unsync'd bookmarks
134    static final String DEFAULT_BOOKMARKS_SORT_ORDER =
135            Bookmarks.IS_FOLDER + " DESC, position ASC, _id ASC";
136
137    // Default sort order for sync'd bookmarks
138    static final String DEFAULT_BOOKMARKS_SORT_ORDER_SYNC = "position ASC, _id ASC";
139
140    static final UriMatcher URI_MATCHER = new UriMatcher(UriMatcher.NO_MATCH);
141
142    static final HashMap<String, String> ACCOUNTS_PROJECTION_MAP = new HashMap<String, String>();
143    static final HashMap<String, String> BOOKMARKS_PROJECTION_MAP = new HashMap<String, String>();
144    static final HashMap<String, String> OTHER_BOOKMARKS_PROJECTION_MAP =
145            new HashMap<String, String>();
146    static final HashMap<String, String> HISTORY_PROJECTION_MAP = new HashMap<String, String>();
147    static final HashMap<String, String> SYNC_STATE_PROJECTION_MAP = new HashMap<String, String>();
148    static final HashMap<String, String> IMAGES_PROJECTION_MAP = new HashMap<String, String>();
149    static final HashMap<String, String> COMBINED_HISTORY_PROJECTION_MAP = new HashMap<String, String>();
150    static final HashMap<String, String> COMBINED_BOOKMARK_PROJECTION_MAP = new HashMap<String, String>();
151    static final HashMap<String, String> SEARCHES_PROJECTION_MAP = new HashMap<String, String>();
152    static final HashMap<String, String> SETTINGS_PROJECTION_MAP = new HashMap<String, String>();
153
154    static {
155        final UriMatcher matcher = URI_MATCHER;
156        final String authority = BrowserContract.AUTHORITY;
157        matcher.addURI(authority, "accounts", ACCOUNTS);
158        matcher.addURI(authority, "bookmarks", BOOKMARKS);
159        matcher.addURI(authority, "bookmarks/#", BOOKMARKS_ID);
160        matcher.addURI(authority, "bookmarks/folder", BOOKMARKS_FOLDER);
161        matcher.addURI(authority, "bookmarks/folder/#", BOOKMARKS_FOLDER_ID);
162        matcher.addURI(authority,
163                SearchManager.SUGGEST_URI_PATH_QUERY,
164                BOOKMARKS_SUGGESTIONS);
165        matcher.addURI(authority,
166                "bookmarks/" + SearchManager.SUGGEST_URI_PATH_QUERY,
167                BOOKMARKS_SUGGESTIONS);
168        matcher.addURI(authority, "history", HISTORY);
169        matcher.addURI(authority, "history/#", HISTORY_ID);
170        matcher.addURI(authority, "searches", SEARCHES);
171        matcher.addURI(authority, "searches/#", SEARCHES_ID);
172        matcher.addURI(authority, "syncstate", SYNCSTATE);
173        matcher.addURI(authority, "syncstate/#", SYNCSTATE_ID);
174        matcher.addURI(authority, "images", IMAGES);
175        matcher.addURI(authority, "combined", COMBINED);
176        matcher.addURI(authority, "combined/#", COMBINED_ID);
177        matcher.addURI(authority, "settings", SETTINGS);
178
179        // Legacy
180        matcher.addURI(LEGACY_AUTHORITY, "searches", SEARCHES);
181        matcher.addURI(LEGACY_AUTHORITY, "searches/#", SEARCHES_ID);
182        matcher.addURI(LEGACY_AUTHORITY, "bookmarks", LEGACY);
183        matcher.addURI(LEGACY_AUTHORITY, "bookmarks/#", LEGACY_ID);
184        matcher.addURI(LEGACY_AUTHORITY,
185                SearchManager.SUGGEST_URI_PATH_QUERY,
186                BOOKMARKS_SUGGESTIONS);
187        matcher.addURI(LEGACY_AUTHORITY,
188                "bookmarks/" + SearchManager.SUGGEST_URI_PATH_QUERY,
189                BOOKMARKS_SUGGESTIONS);
190
191        // Projection maps
192        HashMap<String, String> map;
193
194        // Accounts
195        map = ACCOUNTS_PROJECTION_MAP;
196        map.put(Accounts.ACCOUNT_TYPE, Accounts.ACCOUNT_TYPE);
197        map.put(Accounts.ACCOUNT_NAME, Accounts.ACCOUNT_NAME);
198
199        // Bookmarks
200        map = BOOKMARKS_PROJECTION_MAP;
201        map.put(Bookmarks._ID, qualifyColumn(TABLE_BOOKMARKS, Bookmarks._ID));
202        map.put(Bookmarks.TITLE, Bookmarks.TITLE);
203        map.put(Bookmarks.URL, Bookmarks.URL);
204        map.put(Bookmarks.FAVICON, Bookmarks.FAVICON);
205        map.put(Bookmarks.THUMBNAIL, Bookmarks.THUMBNAIL);
206        map.put(Bookmarks.TOUCH_ICON, Bookmarks.TOUCH_ICON);
207        map.put(Bookmarks.IS_FOLDER, Bookmarks.IS_FOLDER);
208        map.put(Bookmarks.PARENT, Bookmarks.PARENT);
209        map.put(Bookmarks.POSITION, Bookmarks.POSITION);
210        map.put(Bookmarks.INSERT_AFTER, Bookmarks.INSERT_AFTER);
211        map.put(Bookmarks.IS_DELETED, Bookmarks.IS_DELETED);
212        map.put(Bookmarks.ACCOUNT_NAME, Bookmarks.ACCOUNT_NAME);
213        map.put(Bookmarks.ACCOUNT_TYPE, Bookmarks.ACCOUNT_TYPE);
214        map.put(Bookmarks.SOURCE_ID, Bookmarks.SOURCE_ID);
215        map.put(Bookmarks.VERSION, Bookmarks.VERSION);
216        map.put(Bookmarks.DATE_CREATED, Bookmarks.DATE_CREATED);
217        map.put(Bookmarks.DATE_MODIFIED, Bookmarks.DATE_MODIFIED);
218        map.put(Bookmarks.DIRTY, Bookmarks.DIRTY);
219        map.put(Bookmarks.SYNC1, Bookmarks.SYNC1);
220        map.put(Bookmarks.SYNC2, Bookmarks.SYNC2);
221        map.put(Bookmarks.SYNC3, Bookmarks.SYNC3);
222        map.put(Bookmarks.SYNC4, Bookmarks.SYNC4);
223        map.put(Bookmarks.SYNC5, Bookmarks.SYNC5);
224        map.put(Bookmarks.PARENT_SOURCE_ID, "(SELECT " + Bookmarks.SOURCE_ID +
225                " FROM " + TABLE_BOOKMARKS + " A WHERE " +
226                "A." + Bookmarks._ID + "=" + TABLE_BOOKMARKS + "." + Bookmarks.PARENT +
227                ") AS " + Bookmarks.PARENT_SOURCE_ID);
228        map.put(Bookmarks.INSERT_AFTER_SOURCE_ID, "(SELECT " + Bookmarks.SOURCE_ID +
229                " FROM " + TABLE_BOOKMARKS + " A WHERE " +
230                "A." + Bookmarks._ID + "=" + TABLE_BOOKMARKS + "." + Bookmarks.INSERT_AFTER +
231                ") AS " + Bookmarks.INSERT_AFTER_SOURCE_ID);
232
233        // Other bookmarks
234        OTHER_BOOKMARKS_PROJECTION_MAP.putAll(BOOKMARKS_PROJECTION_MAP);
235        OTHER_BOOKMARKS_PROJECTION_MAP.put(Bookmarks.POSITION,
236                Long.toString(Long.MAX_VALUE) + " AS " + Bookmarks.POSITION);
237
238        // History
239        map = HISTORY_PROJECTION_MAP;
240        map.put(History._ID, qualifyColumn(TABLE_HISTORY, History._ID));
241        map.put(History.TITLE, History.TITLE);
242        map.put(History.URL, History.URL);
243        map.put(History.FAVICON, History.FAVICON);
244        map.put(History.THUMBNAIL, History.THUMBNAIL);
245        map.put(History.TOUCH_ICON, History.TOUCH_ICON);
246        map.put(History.DATE_CREATED, History.DATE_CREATED);
247        map.put(History.DATE_LAST_VISITED, History.DATE_LAST_VISITED);
248        map.put(History.VISITS, History.VISITS);
249        map.put(History.USER_ENTERED, History.USER_ENTERED);
250
251        // Sync state
252        map = SYNC_STATE_PROJECTION_MAP;
253        map.put(SyncState._ID, SyncState._ID);
254        map.put(SyncState.ACCOUNT_NAME, SyncState.ACCOUNT_NAME);
255        map.put(SyncState.ACCOUNT_TYPE, SyncState.ACCOUNT_TYPE);
256        map.put(SyncState.DATA, SyncState.DATA);
257
258        // Images
259        map = IMAGES_PROJECTION_MAP;
260        map.put(Images.URL, Images.URL);
261        map.put(Images.FAVICON, Images.FAVICON);
262        map.put(Images.THUMBNAIL, Images.THUMBNAIL);
263        map.put(Images.TOUCH_ICON, Images.TOUCH_ICON);
264
265        // Combined history half
266        map = COMBINED_HISTORY_PROJECTION_MAP;
267        map.put(Combined._ID, bookmarkOrHistoryColumn(Combined._ID));
268        map.put(Combined.TITLE, bookmarkOrHistoryColumn(Combined.TITLE));
269        map.put(Combined.URL, qualifyColumn(TABLE_HISTORY, Combined.URL));
270        map.put(Combined.DATE_CREATED, qualifyColumn(TABLE_HISTORY, Combined.DATE_CREATED));
271        map.put(Combined.DATE_LAST_VISITED, Combined.DATE_LAST_VISITED);
272        map.put(Combined.IS_BOOKMARK, "CASE WHEN " +
273                TABLE_BOOKMARKS + "." + Bookmarks._ID +
274                " IS NOT NULL THEN 1 ELSE 0 END AS " + Combined.IS_BOOKMARK);
275        map.put(Combined.VISITS, Combined.VISITS);
276        map.put(Combined.FAVICON, Combined.FAVICON);
277        map.put(Combined.THUMBNAIL, Combined.THUMBNAIL);
278        map.put(Combined.TOUCH_ICON, Combined.TOUCH_ICON);
279        map.put(Combined.USER_ENTERED, "NULL AS " + Combined.USER_ENTERED);
280
281        // Combined bookmark half
282        map = COMBINED_BOOKMARK_PROJECTION_MAP;
283        map.put(Combined._ID, Combined._ID);
284        map.put(Combined.TITLE, Combined.TITLE);
285        map.put(Combined.URL, Combined.URL);
286        map.put(Combined.DATE_CREATED, Combined.DATE_CREATED);
287        map.put(Combined.DATE_LAST_VISITED, "NULL AS " + Combined.DATE_LAST_VISITED);
288        map.put(Combined.IS_BOOKMARK, "1 AS " + Combined.IS_BOOKMARK);
289        map.put(Combined.VISITS, "0 AS " + Combined.VISITS);
290        map.put(Combined.FAVICON, Combined.FAVICON);
291        map.put(Combined.THUMBNAIL, Combined.THUMBNAIL);
292        map.put(Combined.TOUCH_ICON, Combined.TOUCH_ICON);
293        map.put(Combined.USER_ENTERED, "NULL AS " + Combined.USER_ENTERED);
294
295        // Searches
296        map = SEARCHES_PROJECTION_MAP;
297        map.put(Searches._ID, Searches._ID);
298        map.put(Searches.SEARCH, Searches.SEARCH);
299        map.put(Searches.DATE, Searches.DATE);
300
301        // Settings
302        map = SETTINGS_PROJECTION_MAP;
303        map.put(Settings.KEY, Settings.KEY);
304        map.put(Settings.VALUE, Settings.VALUE);
305    }
306
307    static final String bookmarkOrHistoryColumn(String column) {
308        return "CASE WHEN bookmarks." + column + " IS NOT NULL THEN " +
309                "bookmarks." + column + " ELSE history." + column + " END AS " + column;
310    }
311
312    static final String qualifyColumn(String table, String column) {
313        return table + "." + column + " AS " + column;
314    }
315
316    DatabaseHelper mOpenHelper;
317    SyncStateContentProviderHelper mSyncHelper = new SyncStateContentProviderHelper();
318
319    final class DatabaseHelper extends SQLiteOpenHelper {
320        static final String DATABASE_NAME = "browser2.db";
321        static final int DATABASE_VERSION = 26;
322        public DatabaseHelper(Context context) {
323            super(context, DATABASE_NAME, null, DATABASE_VERSION);
324        }
325
326        @Override
327        public void onCreate(SQLiteDatabase db) {
328            db.execSQL("CREATE TABLE " + TABLE_BOOKMARKS + "(" +
329                    Bookmarks._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," +
330                    Bookmarks.TITLE + " TEXT," +
331                    Bookmarks.URL + " TEXT," +
332                    Bookmarks.IS_FOLDER + " INTEGER NOT NULL DEFAULT 0," +
333                    Bookmarks.PARENT + " INTEGER," +
334                    Bookmarks.POSITION + " INTEGER NOT NULL," +
335                    Bookmarks.INSERT_AFTER + " INTEGER," +
336                    Bookmarks.IS_DELETED + " INTEGER NOT NULL DEFAULT 0," +
337                    Bookmarks.ACCOUNT_NAME + " TEXT," +
338                    Bookmarks.ACCOUNT_TYPE + " TEXT," +
339                    Bookmarks.SOURCE_ID + " TEXT," +
340                    Bookmarks.VERSION + " INTEGER NOT NULL DEFAULT 1," +
341                    Bookmarks.DATE_CREATED + " INTEGER," +
342                    Bookmarks.DATE_MODIFIED + " INTEGER," +
343                    Bookmarks.DIRTY + " INTEGER NOT NULL DEFAULT 0," +
344                    Bookmarks.SYNC1 + " TEXT," +
345                    Bookmarks.SYNC2 + " TEXT," +
346                    Bookmarks.SYNC3 + " TEXT," +
347                    Bookmarks.SYNC4 + " TEXT," +
348                    Bookmarks.SYNC5 + " TEXT" +
349                    ");");
350
351            // TODO indices
352
353            db.execSQL("CREATE TABLE " + TABLE_HISTORY + "(" +
354                    History._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," +
355                    History.TITLE + " TEXT," +
356                    History.URL + " TEXT NOT NULL," +
357                    History.DATE_CREATED + " INTEGER," +
358                    History.DATE_LAST_VISITED + " INTEGER," +
359                    History.VISITS + " INTEGER NOT NULL DEFAULT 0," +
360                    History.USER_ENTERED + " INTEGER" +
361                    ");");
362
363            db.execSQL("CREATE TABLE " + TABLE_IMAGES + " (" +
364                    Images.URL + " TEXT UNIQUE NOT NULL," +
365                    Images.FAVICON + " BLOB," +
366                    Images.THUMBNAIL + " BLOB," +
367                    Images.TOUCH_ICON + " BLOB" +
368                    ");");
369            db.execSQL("CREATE INDEX imagesUrlIndex ON " + TABLE_IMAGES +
370                    "(" + Images.URL + ")");
371
372            db.execSQL("CREATE TABLE " + TABLE_SEARCHES + " (" +
373                    Searches._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," +
374                    Searches.SEARCH + " TEXT," +
375                    Searches.DATE + " LONG" +
376                    ");");
377
378            db.execSQL("CREATE TABLE " + TABLE_SETTINGS + " (" +
379                    Settings.KEY + " TEXT PRIMARY KEY," +
380                    Settings.VALUE + " TEXT NOT NULL" +
381                    ");");
382
383            mSyncHelper.createDatabase(db);
384
385            createDefaultBookmarks(db);
386        }
387
388        @Override
389        public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
390            // TODO write upgrade logic
391            db.execSQL("DROP VIEW IF EXISTS combined");
392            if (oldVersion < 25) {
393                db.execSQL("DROP TABLE IF EXISTS " + TABLE_BOOKMARKS);
394                db.execSQL("DROP TABLE IF EXISTS " + TABLE_HISTORY);
395                db.execSQL("DROP TABLE IF EXISTS " + TABLE_SEARCHES);
396                db.execSQL("DROP TABLE IF EXISTS " + TABLE_IMAGES);
397                db.execSQL("DROP TABLE IF EXISTS " + TABLE_SETTINGS);
398                mSyncHelper.onAccountsChanged(db, new Account[] {}); // remove all sync info
399                onCreate(db);
400            }
401        }
402
403        @Override
404        public void onOpen(SQLiteDatabase db) {
405            mSyncHelper.onDatabaseOpened(db);
406        }
407
408        private void createDefaultBookmarks(SQLiteDatabase db) {
409            ContentValues values = new ContentValues();
410            // TODO figure out how to deal with localization for the defaults
411
412            // Bookmarks folder
413            values.put(Bookmarks._ID, FIXED_ID_ROOT);
414            values.put(ChromeSyncColumns.SERVER_UNIQUE, ChromeSyncColumns.FOLDER_NAME_BOOKMARKS);
415            values.put(Bookmarks.TITLE, "Bookmarks");
416            values.putNull(Bookmarks.PARENT);
417            values.put(Bookmarks.POSITION, 0);
418            values.put(Bookmarks.IS_FOLDER, true);
419            values.put(Bookmarks.DIRTY, true);
420            db.insertOrThrow(TABLE_BOOKMARKS, null, values);
421
422            addDefaultBookmarks(db, FIXED_ID_ROOT);
423        }
424
425        private void addDefaultBookmarks(SQLiteDatabase db, long parentId) {
426            Resources res = getContext().getResources();
427            final CharSequence[] bookmarks = res.getTextArray(
428                    R.array.bookmarks);
429            int size = bookmarks.length;
430            TypedArray preloads = res.obtainTypedArray(R.array.bookmark_preloads);
431            try {
432                String parent = Long.toString(parentId);
433                String now = Long.toString(System.currentTimeMillis());
434                for (int i = 0; i < size; i = i + 2) {
435                    CharSequence bookmarkDestination = replaceSystemPropertyInString(getContext(),
436                            bookmarks[i + 1]);
437                    db.execSQL("INSERT INTO bookmarks (" +
438                            Bookmarks.TITLE + ", " +
439                            Bookmarks.URL + ", " +
440                            Bookmarks.IS_FOLDER + "," +
441                            Bookmarks.PARENT + "," +
442                            Bookmarks.POSITION + "," +
443                            Bookmarks.DATE_CREATED +
444                        ") VALUES (" +
445                            "'" + bookmarks[i] + "', " +
446                            "'" + bookmarkDestination + "', " +
447                            "0," +
448                            parent + "," +
449                            Integer.toString(i) + "," +
450                            now +
451                            ");");
452
453                    int faviconId = preloads.getResourceId(i, 0);
454                    int thumbId = preloads.getResourceId(i + 1, 0);
455                    byte[] thumb = null, favicon = null;
456                    try {
457                        thumb = readRaw(res, thumbId);
458                    } catch (IOException e) {
459                    }
460                    try {
461                        favicon = readRaw(res, faviconId);
462                    } catch (IOException e) {
463                    }
464                    if (thumb != null || favicon != null) {
465                        ContentValues imageValues = new ContentValues();
466                        imageValues.put(Images.URL, bookmarkDestination.toString());
467                        if (favicon != null) {
468                            imageValues.put(Images.FAVICON, favicon);
469                        }
470                        if (thumb != null) {
471                            imageValues.put(Images.THUMBNAIL, thumb);
472                        }
473                        db.insert(TABLE_IMAGES, Images.FAVICON, imageValues);
474                    }
475                }
476            } catch (ArrayIndexOutOfBoundsException e) {
477            }
478        }
479
480        private byte[] readRaw(Resources res, int id) throws IOException {
481            InputStream is = res.openRawResource(id);
482            try {
483                ByteArrayOutputStream bos = new ByteArrayOutputStream();
484                byte[] buf = new byte[4096];
485                int read;
486                while ((read = is.read(buf)) > 0) {
487                    bos.write(buf, 0, read);
488                }
489                bos.flush();
490                return bos.toByteArray();
491            } finally {
492                is.close();
493            }
494        }
495
496        // XXX: This is a major hack to remove our dependency on gsf constants and
497        // its content provider. http://b/issue?id=2425179
498        private String getClientId(ContentResolver cr) {
499            String ret = "android-google";
500            Cursor c = null;
501            try {
502                c = cr.query(Uri.parse("content://com.google.settings/partner"),
503                        new String[] { "value" }, "name='client_id'", null, null);
504                if (c != null && c.moveToNext()) {
505                    ret = c.getString(0);
506                }
507            } catch (RuntimeException ex) {
508                // fall through to return the default
509            } finally {
510                if (c != null) {
511                    c.close();
512                }
513            }
514            return ret;
515        }
516
517        private CharSequence replaceSystemPropertyInString(Context context, CharSequence srcString) {
518            StringBuffer sb = new StringBuffer();
519            int lastCharLoc = 0;
520
521            final String client_id = getClientId(context.getContentResolver());
522
523            for (int i = 0; i < srcString.length(); ++i) {
524                char c = srcString.charAt(i);
525                if (c == '{') {
526                    sb.append(srcString.subSequence(lastCharLoc, i));
527                    lastCharLoc = i;
528              inner:
529                    for (int j = i; j < srcString.length(); ++j) {
530                        char k = srcString.charAt(j);
531                        if (k == '}') {
532                            String propertyKeyValue = srcString.subSequence(i + 1, j).toString();
533                            if (propertyKeyValue.equals("CLIENT_ID")) {
534                                sb.append(client_id);
535                            } else {
536                                sb.append("unknown");
537                            }
538                            lastCharLoc = j + 1;
539                            i = j;
540                            break inner;
541                        }
542                    }
543                }
544            }
545            if (srcString.length() - lastCharLoc > 0) {
546                // Put on the tail, if there is one
547                sb.append(srcString.subSequence(lastCharLoc, srcString.length()));
548            }
549            return sb;
550        }
551    }
552
553    @Override
554    public SQLiteOpenHelper getDatabaseHelper(Context context) {
555        synchronized (this) {
556            if (mOpenHelper == null) {
557                mOpenHelper = new DatabaseHelper(context);
558            }
559            return mOpenHelper;
560        }
561    }
562
563    @Override
564    public boolean isCallerSyncAdapter(Uri uri) {
565        return uri.getBooleanQueryParameter(BrowserContract.CALLER_IS_SYNCADAPTER, false);
566    }
567
568    @Override
569    public void notifyChange(boolean callerIsSyncAdapter) {
570        ContentResolver resolver = getContext().getContentResolver();
571        resolver.notifyChange(BrowserContract.AUTHORITY_URI, null, !callerIsSyncAdapter);
572        resolver.notifyChange(LEGACY_AUTHORITY_URI, null, !callerIsSyncAdapter);
573    }
574
575    @Override
576    public String getType(Uri uri) {
577        final int match = URI_MATCHER.match(uri);
578        switch (match) {
579            case LEGACY:
580            case BOOKMARKS:
581                return Bookmarks.CONTENT_TYPE;
582            case LEGACY_ID:
583            case BOOKMARKS_ID:
584                return Bookmarks.CONTENT_ITEM_TYPE;
585            case HISTORY:
586                return History.CONTENT_TYPE;
587            case HISTORY_ID:
588                return History.CONTENT_ITEM_TYPE;
589            case SEARCHES:
590                return Searches.CONTENT_TYPE;
591            case SEARCHES_ID:
592                return Searches.CONTENT_ITEM_TYPE;
593        }
594        return null;
595    }
596
597    boolean isNullAccount(String account) {
598        if (account == null) return true;
599        account = account.trim();
600        return account.length() == 0 || account.equals("null");
601    }
602
603    Object[] getSelectionWithAccounts(Uri uri, String selection, String[] selectionArgs) {
604        // Look for account info
605        String accountType = uri.getQueryParameter(Bookmarks.PARAM_ACCOUNT_TYPE);
606        String accountName = uri.getQueryParameter(Bookmarks.PARAM_ACCOUNT_NAME);
607        boolean hasAccounts = false;
608        if (accountType != null && accountName != null) {
609            if (!isNullAccount(accountType) && !isNullAccount(accountName)) {
610                selection = DatabaseUtils.concatenateWhere(selection,
611                        Bookmarks.ACCOUNT_TYPE + "=? AND " + Bookmarks.ACCOUNT_NAME + "=? ");
612                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
613                        new String[] { accountType, accountName });
614                hasAccounts = true;
615            } else {
616                selection = DatabaseUtils.concatenateWhere(selection,
617                        Bookmarks.ACCOUNT_NAME + " IS NULL AND " +
618                        Bookmarks.ACCOUNT_TYPE + " IS NULL");
619            }
620        }
621        return new Object[] { selection, selectionArgs, hasAccounts };
622    }
623
624    @Override
625    public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
626            String sortOrder) {
627        SQLiteDatabase db = mOpenHelper.getReadableDatabase();
628        final int match = URI_MATCHER.match(uri);
629        SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
630        String limit = uri.getQueryParameter(BrowserContract.PARAM_LIMIT);
631        switch (match) {
632            case ACCOUNTS: {
633                qb.setTables(TABLE_BOOKMARKS);
634                qb.setProjectionMap(ACCOUNTS_PROJECTION_MAP);
635                qb.setDistinct(true);
636                qb.appendWhere(Bookmarks.ACCOUNT_NAME + " IS NOT NULL");
637                break;
638            }
639
640            case BOOKMARKS_FOLDER_ID:
641            case BOOKMARKS_ID:
642            case BOOKMARKS: {
643                // Only show deleted bookmarks if requested to do so
644                if (!uri.getBooleanQueryParameter(Bookmarks.QUERY_PARAMETER_SHOW_DELETED, false)) {
645                    selection = DatabaseUtils.concatenateWhere(
646                            Bookmarks.IS_DELETED + "=0", selection);
647                }
648
649                if (match == BOOKMARKS_ID) {
650                    // Tack on the ID of the specific bookmark requested
651                    selection = DatabaseUtils.concatenateWhere(selection,
652                            TABLE_BOOKMARKS + "." + Bookmarks._ID + "=?");
653                    selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
654                            new String[] { Long.toString(ContentUris.parseId(uri)) });
655                } else if (match == BOOKMARKS_FOLDER_ID) {
656                    // Tack on the ID of the specific folder requested
657                    selection = DatabaseUtils.concatenateWhere(selection,
658                            TABLE_BOOKMARKS + "." + Bookmarks.PARENT + "=?");
659                    selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
660                            new String[] { Long.toString(ContentUris.parseId(uri)) });
661                }
662
663                Object[] withAccount = getSelectionWithAccounts(uri, selection, selectionArgs);
664                selection = (String) withAccount[0];
665                selectionArgs = (String[]) withAccount[1];
666                boolean hasAccounts = (Boolean) withAccount[2];
667
668                // Set a default sort order if one isn't specified
669                if (TextUtils.isEmpty(sortOrder)) {
670                    if (hasAccounts) {
671                        sortOrder = DEFAULT_BOOKMARKS_SORT_ORDER_SYNC;
672                    } else {
673                        sortOrder = DEFAULT_BOOKMARKS_SORT_ORDER;
674                    }
675                }
676
677                qb.setProjectionMap(BOOKMARKS_PROJECTION_MAP);
678                qb.setTables(TABLE_BOOKMARKS_JOIN_IMAGES);
679                break;
680            }
681
682            case BOOKMARKS_FOLDER: {
683                // Look for an account
684                boolean useAccount = false;
685                String accountType = uri.getQueryParameter(Bookmarks.PARAM_ACCOUNT_TYPE);
686                String accountName = uri.getQueryParameter(Bookmarks.PARAM_ACCOUNT_NAME);
687                if (!isNullAccount(accountType) && !isNullAccount(accountName)) {
688                    useAccount = true;
689                }
690
691                qb.setTables(TABLE_BOOKMARKS_JOIN_IMAGES);
692                String[] args;
693                String query;
694                // Set a default sort order if one isn't specified
695                if (TextUtils.isEmpty(sortOrder)) {
696                    if (useAccount) {
697                        sortOrder = DEFAULT_BOOKMARKS_SORT_ORDER_SYNC;
698                    } else {
699                        sortOrder = DEFAULT_BOOKMARKS_SORT_ORDER;
700                    }
701                }
702                if (!useAccount) {
703                    qb.setProjectionMap(BOOKMARKS_PROJECTION_MAP);
704                    String where = Bookmarks.PARENT + "=? AND " + Bookmarks.IS_DELETED + "=0";
705                    where = DatabaseUtils.concatenateWhere(where, selection);
706                    args = new String[] { Long.toString(FIXED_ID_ROOT) };
707                    if (selectionArgs != null) {
708                        args = DatabaseUtils.appendSelectionArgs(args, selectionArgs);
709                    }
710                    query = qb.buildQuery(projection, where, null, null, sortOrder, null);
711                } else {
712                    qb.setProjectionMap(BOOKMARKS_PROJECTION_MAP);
713                    String where = Bookmarks.ACCOUNT_TYPE + "=? AND " +
714                            Bookmarks.ACCOUNT_NAME + "=? " +
715                            "AND parent = " +
716                            "(SELECT _id FROM " + TABLE_BOOKMARKS + " WHERE " +
717                            ChromeSyncColumns.SERVER_UNIQUE + "=" +
718                            "'" + ChromeSyncColumns.FOLDER_NAME_BOOKMARKS_BAR + "' " +
719                            "AND account_type = ? AND account_name = ?) " +
720                            "AND " + Bookmarks.IS_DELETED + "=0";
721                    where = DatabaseUtils.concatenateWhere(where, selection);
722                    String bookmarksBarQuery = qb.buildQuery(projection,
723                            where, null, null, null, null);
724                    args = new String[] {accountType, accountName,
725                            accountType, accountName};
726                    if (selectionArgs != null) {
727                        args = DatabaseUtils.appendSelectionArgs(args, selectionArgs);
728                    }
729
730                    where = Bookmarks.ACCOUNT_TYPE + "=? AND " + Bookmarks.ACCOUNT_NAME + "=?" +
731                            " AND " + ChromeSyncColumns.SERVER_UNIQUE + "=?";
732                    where = DatabaseUtils.concatenateWhere(where, selection);
733                    qb.setProjectionMap(OTHER_BOOKMARKS_PROJECTION_MAP);
734                    String otherBookmarksQuery = qb.buildQuery(projection,
735                            where, null, null, null, null);
736
737                    query = qb.buildUnionQuery(
738                            new String[] { bookmarksBarQuery, otherBookmarksQuery },
739                            sortOrder, limit);
740
741                    args = DatabaseUtils.appendSelectionArgs(args, new String[] {
742                            accountType, accountName, ChromeSyncColumns.FOLDER_NAME_OTHER_BOOKMARKS,
743                            });
744                    if (selectionArgs != null) {
745                        args = DatabaseUtils.appendSelectionArgs(args, selectionArgs);
746                    }
747                }
748
749                Cursor cursor = db.rawQuery(query, args);
750                if (cursor != null) {
751                    cursor.setNotificationUri(getContext().getContentResolver(),
752                            BrowserContract.AUTHORITY_URI);
753                }
754                return cursor;
755            }
756
757            case BOOKMARKS_SUGGESTIONS: {
758                return doSuggestQuery(selection, selectionArgs, limit);
759            }
760
761            case HISTORY_ID: {
762                selection = DatabaseUtils.concatenateWhere(selection, TABLE_HISTORY + "._id=?");
763                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
764                        new String[] { Long.toString(ContentUris.parseId(uri)) });
765                // fall through
766            }
767            case HISTORY: {
768                filterSearchClient(selectionArgs);
769                if (sortOrder == null) {
770                    sortOrder = DEFAULT_SORT_HISTORY;
771                }
772                qb.setProjectionMap(HISTORY_PROJECTION_MAP);
773                qb.setTables(TABLE_HISTORY_JOIN_IMAGES);
774                break;
775            }
776
777            case SEARCHES_ID: {
778                selection = DatabaseUtils.concatenateWhere(selection, TABLE_SEARCHES + "._id=?");
779                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
780                        new String[] { Long.toString(ContentUris.parseId(uri)) });
781                // fall through
782            }
783            case SEARCHES: {
784                qb.setTables(TABLE_SEARCHES);
785                qb.setProjectionMap(SEARCHES_PROJECTION_MAP);
786                break;
787            }
788
789            case SYNCSTATE: {
790                return mSyncHelper.query(db, projection, selection, selectionArgs, sortOrder);
791            }
792
793            case SYNCSTATE_ID: {
794                selection = appendAccountToSelection(uri, selection);
795                String selectionWithId =
796                        (SyncStateContract.Columns._ID + "=" + ContentUris.parseId(uri) + " ")
797                        + (selection == null ? "" : " AND (" + selection + ")");
798                return mSyncHelper.query(db, projection, selectionWithId, selectionArgs, sortOrder);
799            }
800
801            case IMAGES: {
802                qb.setTables(TABLE_IMAGES);
803                qb.setProjectionMap(IMAGES_PROJECTION_MAP);
804                break;
805            }
806
807            case LEGACY_ID:
808            case COMBINED_ID: {
809                selection = DatabaseUtils.concatenateWhere(
810                        selection, Combined._ID + " = CAST(? AS INTEGER)");
811                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
812                        new String[] { Long.toString(ContentUris.parseId(uri)) });
813                // fall through
814            }
815            case LEGACY:
816            case COMBINED: {
817                if ((match == LEGACY || match == LEGACY_ID)
818                        && projection == null) {
819                    projection = Browser.HISTORY_PROJECTION;
820                }
821                if (match == LEGACY) {
822                    uri = BookmarkUtils.addAccountInfo(getContext(),
823                            uri.buildUpon()).build();
824                }
825                String[] args = createCombinedQuery(uri, projection, qb);
826                if (selectionArgs == null) {
827                    selectionArgs = args;
828                } else {
829                    selectionArgs = DatabaseUtils.appendSelectionArgs(args, selectionArgs);
830                }
831                break;
832            }
833
834            case SETTINGS: {
835                qb.setTables(TABLE_SETTINGS);
836                qb.setProjectionMap(SETTINGS_PROJECTION_MAP);
837                break;
838            }
839
840            default: {
841                throw new UnsupportedOperationException("Unknown URL " + uri.toString());
842            }
843        }
844
845        Cursor cursor = qb.query(db, projection, selection, selectionArgs, null, null, sortOrder,
846                limit);
847        cursor.setNotificationUri(getContext().getContentResolver(), BrowserContract.AUTHORITY_URI);
848        return cursor;
849    }
850
851    private Cursor doSuggestQuery(String selection, String[] selectionArgs, String limit) {
852        if (selectionArgs[0] == null) {
853            return null;
854        } else {
855            String like = selectionArgs[0] + "%";
856            if (selectionArgs[0].startsWith("http")
857                    || selectionArgs[0].startsWith("file")) {
858                selectionArgs[0] = like;
859            } else {
860                selectionArgs = new String[5];
861                selectionArgs[0] = "http://" + like;
862                selectionArgs[1] = "http://www." + like;
863                selectionArgs[2] = "https://" + like;
864                selectionArgs[3] = "https://www." + like;
865                // To match against titles.
866                selectionArgs[4] = like;
867                selection = SUGGEST_SELECTION;
868            }
869        }
870        selection = DatabaseUtils.concatenateWhere(selection,
871                Bookmarks.IS_DELETED + "=0 AND " + Bookmarks.IS_FOLDER + "=0");
872
873        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
874        String accountType = prefs.getString(BrowserBookmarksPage.PREF_ACCOUNT_TYPE, null);
875        String accountName = prefs.getString(BrowserBookmarksPage.PREF_ACCOUNT_NAME, null);
876        if (!TextUtils.isEmpty(accountName) && !TextUtils.isEmpty(accountType)) {
877            selection = DatabaseUtils.concatenateWhere(selection,
878                    Bookmarks.ACCOUNT_TYPE + "=? AND " + Bookmarks.ACCOUNT_NAME + "=? ");
879            selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
880                    new String[] { accountType, accountName });
881        } else {
882            selection = DatabaseUtils.concatenateWhere(selection,
883                    Bookmarks.ACCOUNT_TYPE + " IS NULL AND " +
884                    Bookmarks.ACCOUNT_NAME + " IS NULL ");
885        }
886        Cursor c = mOpenHelper.getReadableDatabase().query(TABLE_BOOKMARKS,
887                SUGGEST_PROJECTION, selection, selectionArgs, null, null,
888                DEFAULT_BOOKMARKS_SORT_ORDER, null);
889
890        return new SuggestionsCursor(c);
891    }
892
893    private String[] createCombinedQuery(
894            Uri uri, String[] projection, SQLiteQueryBuilder qb) {
895        String[] args = null;
896        StringBuilder whereBuilder = new StringBuilder(128);
897        whereBuilder.append(Bookmarks.IS_DELETED);
898        whereBuilder.append(" = 0");
899        // Look for account info
900        Object[] withAccount = getSelectionWithAccounts(uri, null, null);
901        String selection = (String) withAccount[0];
902        String[] selectionArgs = (String[]) withAccount[1];
903        if (selection != null) {
904            whereBuilder.append(" AND " + selection);
905            if (selectionArgs != null) {
906                // We use the selection twice, hence we need to duplicate the args
907                args = new String[selectionArgs.length * 2];
908                System.arraycopy(selectionArgs, 0, args, 0, selectionArgs.length);
909                System.arraycopy(selectionArgs, 0, args, selectionArgs.length,
910                        selectionArgs.length);
911            }
912        }
913        String where = whereBuilder.toString();
914        // Build the bookmark subquery for history union subquery
915        qb.setTables(TABLE_BOOKMARKS);
916        String subQuery = qb.buildQuery(null, where, null, null, null, null);
917        // Build the history union subquery
918        qb.setTables(String.format(FORMAT_COMBINED_JOIN_SUBQUERY_JOIN_IMAGES, subQuery));
919        qb.setProjectionMap(COMBINED_HISTORY_PROJECTION_MAP);
920        String historySubQuery = qb.buildQuery(null,
921                null, null, null, null, null);
922        // Build the bookmark union subquery
923        qb.setTables(TABLE_BOOKMARKS_JOIN_IMAGES);
924        qb.setProjectionMap(COMBINED_BOOKMARK_PROJECTION_MAP);
925        where += String.format(" AND %s NOT IN (SELECT %s FROM %s)",
926                Combined.URL, History.URL, TABLE_HISTORY);
927        String bookmarksSubQuery = qb.buildQuery(null, where,
928                null, null, null, null);
929        // Put it all together
930        String query = qb.buildUnionQuery(
931                new String[] {historySubQuery, bookmarksSubQuery},
932                null, null);
933        qb.setTables("(" + query + ")");
934        qb.setProjectionMap(null);
935        return args;
936    }
937
938    int deleteBookmarks(String selection, String[] selectionArgs,
939            boolean callerIsSyncAdapter) {
940        //TODO cascade deletes down from folders
941        final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
942        if (callerIsSyncAdapter) {
943            return db.delete(TABLE_BOOKMARKS, selection, selectionArgs);
944        }
945        ContentValues values = new ContentValues();
946        values.put(Bookmarks.DATE_MODIFIED, System.currentTimeMillis());
947        values.put(Bookmarks.IS_DELETED, 1);
948        return updateBookmarksInTransaction(values, selection, selectionArgs,
949                callerIsSyncAdapter);
950    }
951
952    @Override
953    public int deleteInTransaction(Uri uri, String selection, String[] selectionArgs,
954            boolean callerIsSyncAdapter) {
955        final int match = URI_MATCHER.match(uri);
956        final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
957        switch (match) {
958            case BOOKMARKS_ID: {
959                selection = DatabaseUtils.concatenateWhere(selection,
960                        TABLE_BOOKMARKS + "._id=?");
961                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
962                        new String[] { Long.toString(ContentUris.parseId(uri)) });
963                // fall through
964            }
965            case BOOKMARKS: {
966                // Look for account info
967                Object[] withAccount = getSelectionWithAccounts(uri, selection, selectionArgs);
968                selection = (String) withAccount[0];
969                selectionArgs = (String[]) withAccount[1];
970                int deleted = deleteBookmarks(selection, selectionArgs, callerIsSyncAdapter);
971                pruneImages();
972                return deleted;
973            }
974
975            case HISTORY_ID: {
976                selection = DatabaseUtils.concatenateWhere(selection, TABLE_HISTORY + "._id=?");
977                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
978                        new String[] { Long.toString(ContentUris.parseId(uri)) });
979                // fall through
980            }
981            case HISTORY: {
982                filterSearchClient(selectionArgs);
983                int deleted = db.delete(TABLE_HISTORY, selection, selectionArgs);
984                pruneImages();
985                return deleted;
986            }
987
988            case SEARCHES_ID: {
989                selection = DatabaseUtils.concatenateWhere(selection, TABLE_SEARCHES + "._id=?");
990                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
991                        new String[] { Long.toString(ContentUris.parseId(uri)) });
992                // fall through
993            }
994            case SEARCHES: {
995                return db.delete(TABLE_SEARCHES, selection, selectionArgs);
996            }
997
998            case SYNCSTATE: {
999                return mSyncHelper.delete(db, selection, selectionArgs);
1000            }
1001            case SYNCSTATE_ID: {
1002                String selectionWithId =
1003                        (SyncStateContract.Columns._ID + "=" + ContentUris.parseId(uri) + " ")
1004                        + (selection == null ? "" : " AND (" + selection + ")");
1005                return mSyncHelper.delete(db, selectionWithId, selectionArgs);
1006            }
1007            case LEGACY_ID: {
1008                selection = DatabaseUtils.concatenateWhere(
1009                        selection, Combined._ID + " = CAST(? AS INTEGER)");
1010                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
1011                        new String[] { Long.toString(ContentUris.parseId(uri)) });
1012                // fall through
1013            }
1014            case LEGACY: {
1015                String[] projection = new String[] { Combined._ID,
1016                        Combined.IS_BOOKMARK, Combined.URL };
1017                SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
1018                uri = BookmarkUtils.addAccountInfo(getContext(), uri.buildUpon())
1019                        .build();
1020                String[] args = createCombinedQuery(uri, projection, qb);
1021                if (selectionArgs == null) {
1022                    selectionArgs = args;
1023                } else {
1024                    selectionArgs = DatabaseUtils.appendSelectionArgs(
1025                            args, selectionArgs);
1026                }
1027                Cursor c = qb.query(db, projection, selection, selectionArgs,
1028                        null, null, null);
1029                int deleted = 0;
1030                while (c.moveToNext()) {
1031                    long id = c.getLong(0);
1032                    boolean isBookmark = c.getInt(1) != 0;
1033                    String url = c.getString(2);
1034                    if (isBookmark) {
1035                        deleted += deleteBookmarks(Bookmarks._ID + "=?",
1036                                new String[] { Long.toString(id) },
1037                                callerIsSyncAdapter);
1038                        db.delete(TABLE_HISTORY, History.URL + "=?",
1039                                new String[] { url });
1040                    } else {
1041                        deleted += db.delete(TABLE_HISTORY,
1042                                Bookmarks._ID + "=?",
1043                                new String[] { Long.toString(id) });
1044                    }
1045                }
1046                return deleted;
1047            }
1048        }
1049        throw new UnsupportedOperationException("Unknown delete URI " + uri);
1050    }
1051
1052    long queryDefaultFolderId(String accountName, String accountType) {
1053        if (!TextUtils.isEmpty(accountName) && !TextUtils.isEmpty(accountType)) {
1054            final SQLiteDatabase db = mOpenHelper.getReadableDatabase();
1055            Cursor c = db.query(TABLE_BOOKMARKS, new String[] { Bookmarks._ID },
1056                    ChromeSyncColumns.SERVER_UNIQUE + " = ?" +
1057                    " AND account_type = ? AND account_name = ?",
1058                    new String[] { ChromeSyncColumns.FOLDER_NAME_BOOKMARKS_BAR,
1059                    accountType, accountName }, null, null, null);
1060            if (c.moveToFirst()) {
1061                return c.getLong(0);
1062            }
1063        }
1064        return FIXED_ID_ROOT;
1065    }
1066
1067    @Override
1068    public Uri insertInTransaction(Uri uri, ContentValues values, boolean callerIsSyncAdapter) {
1069        int match = URI_MATCHER.match(uri);
1070        final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
1071        long id = -1;
1072        if (match == LEGACY) {
1073            // Intercept and route to the correct table
1074            Integer bookmark = values.getAsInteger(BookmarkColumns.BOOKMARK);
1075            values.remove(BookmarkColumns.BOOKMARK);
1076            if (bookmark == null || bookmark == 0) {
1077                match = HISTORY;
1078            } else {
1079                match = BOOKMARKS;
1080                values.remove(BookmarkColumns.DATE);
1081                values.remove(BookmarkColumns.VISITS);
1082                values.remove(BookmarkColumns.USER_ENTERED);
1083                SharedPreferences prefs = PreferenceManager
1084                        .getDefaultSharedPreferences(getContext());
1085                String accountType = prefs.getString(
1086                        BrowserBookmarksPage.PREF_ACCOUNT_TYPE, null);
1087                String accountName = prefs.getString(
1088                        BrowserBookmarksPage.PREF_ACCOUNT_NAME, null);
1089                values.put(Bookmarks.ACCOUNT_TYPE, accountType);
1090                values.put(Bookmarks.ACCOUNT_NAME, accountName);
1091                values.put(Bookmarks.IS_FOLDER, 0);
1092            }
1093        }
1094        switch (match) {
1095            case BOOKMARKS: {
1096                // Mark rows dirty if they're not coming from a sync adapter
1097                if (!callerIsSyncAdapter) {
1098                    long now = System.currentTimeMillis();
1099                    values.put(Bookmarks.DATE_CREATED, now);
1100                    values.put(Bookmarks.DATE_MODIFIED, now);
1101                    values.put(Bookmarks.DIRTY, 1);
1102
1103                    // If no parent is set default to the "Bookmarks Bar" folder
1104                    if (!values.containsKey(Bookmarks.PARENT)) {
1105                        String accountType = values
1106                                .getAsString(Bookmarks.ACCOUNT_TYPE);
1107                        String accountName = values
1108                                .getAsString(Bookmarks.ACCOUNT_NAME);
1109                        values.put(Bookmarks.PARENT,
1110                                queryDefaultFolderId(accountName, accountType));
1111                    }
1112                }
1113
1114                // If no position is requested put the bookmark at the beginning of the list
1115                if (!values.containsKey(Bookmarks.POSITION)) {
1116                    values.put(Bookmarks.POSITION, Long.toString(Long.MIN_VALUE));
1117                }
1118
1119                // Extract out the image values so they can be inserted into the images table
1120                String url = values.getAsString(Bookmarks.URL);
1121                ContentValues imageValues = extractImageValues(values, url);
1122                Boolean isFolder = values.getAsBoolean(Bookmarks.IS_FOLDER);
1123                if ((isFolder == null || !isFolder)
1124                        && imageValues != null && !TextUtils.isEmpty(url)) {
1125                    int count = db.update(TABLE_IMAGES, imageValues, Images.URL + "=?",
1126                            new String[] { url });
1127                    if (count == 0) {
1128                        db.insertOrThrow(TABLE_IMAGES, Images.FAVICON, imageValues);
1129                    }
1130                }
1131
1132                id = db.insertOrThrow(TABLE_BOOKMARKS, Bookmarks.DIRTY, values);
1133                break;
1134            }
1135
1136            case HISTORY: {
1137                // If no created time is specified set it to now
1138                if (!values.containsKey(History.DATE_CREATED)) {
1139                    values.put(History.DATE_CREATED, System.currentTimeMillis());
1140                }
1141                String url = values.getAsString(History.URL);
1142                url = filterSearchClient(url);
1143                values.put(History.URL, url);
1144
1145                // Extract out the image values so they can be inserted into the images table
1146                ContentValues imageValues = extractImageValues(values,
1147                        values.getAsString(History.URL));
1148                if (imageValues != null) {
1149                    db.insertOrThrow(TABLE_IMAGES, Images.FAVICON, imageValues);
1150                }
1151
1152                id = db.insertOrThrow(TABLE_HISTORY, History.VISITS, values);
1153                break;
1154            }
1155
1156            case SEARCHES: {
1157                id = insertSearchesInTransaction(db, values);
1158                break;
1159            }
1160
1161            case SYNCSTATE: {
1162                id = mSyncHelper.insert(db, values);
1163                break;
1164            }
1165
1166            case SETTINGS: {
1167                id = 0;
1168                insertSettingsInTransaction(db, values);
1169                break;
1170            }
1171
1172            default: {
1173                throw new UnsupportedOperationException("Unknown insert URI " + uri);
1174            }
1175        }
1176
1177        if (id >= 0) {
1178            return ContentUris.withAppendedId(uri, id);
1179        } else {
1180            return null;
1181        }
1182    }
1183
1184    private void filterSearchClient(String[] selectionArgs) {
1185        if (selectionArgs != null) {
1186            for (int i = 0; i < selectionArgs.length; i++) {
1187                selectionArgs[i] = filterSearchClient(selectionArgs[i]);
1188            }
1189        }
1190    }
1191
1192    // Filters out the client=ms- param for search urls
1193    private String filterSearchClient(String url) {
1194        // remove "client" before updating it to the history so that it wont
1195        // show up in the auto-complete list.
1196        int index = url.indexOf("client=ms-");
1197        if (index > 0 && url.contains(".google.")) {
1198            int end = url.indexOf('&', index);
1199            if (end > 0) {
1200                url = url.substring(0, index)
1201                        .concat(url.substring(end + 1));
1202            } else {
1203                // the url.charAt(index-1) should be either '?' or '&'
1204                url = url.substring(0, index-1);
1205            }
1206        }
1207        return url;
1208    }
1209
1210    /**
1211     * Searches are unique, so perform an UPSERT manually since SQLite doesn't support them.
1212     */
1213    private long insertSearchesInTransaction(SQLiteDatabase db, ContentValues values) {
1214        String search = values.getAsString(Searches.SEARCH);
1215        if (TextUtils.isEmpty(search)) {
1216            throw new IllegalArgumentException("Must include the SEARCH field");
1217        }
1218        Cursor cursor = null;
1219        try {
1220            cursor = db.query(TABLE_SEARCHES, new String[] { Searches._ID },
1221                    Searches.SEARCH + "=?", new String[] { search }, null, null, null);
1222            if (cursor.moveToNext()) {
1223                long id = cursor.getLong(0);
1224                db.update(TABLE_SEARCHES, values, Searches._ID + "=?",
1225                        new String[] { Long.toString(id) });
1226                return id;
1227            } else {
1228                return db.insertOrThrow(TABLE_SEARCHES, Searches.SEARCH, values);
1229            }
1230        } finally {
1231            if (cursor != null) cursor.close();
1232        }
1233    }
1234
1235    /**
1236     * Settings are unique, so perform an UPSERT manually since SQLite doesn't support them.
1237     */
1238    private long insertSettingsInTransaction(SQLiteDatabase db, ContentValues values) {
1239        String key = values.getAsString(Settings.KEY);
1240        if (TextUtils.isEmpty(key)) {
1241            throw new IllegalArgumentException("Must include the KEY field");
1242        }
1243        String[] keyArray = new String[] { key };
1244        Cursor cursor = null;
1245        try {
1246            cursor = db.query(TABLE_SETTINGS, new String[] { Settings.KEY },
1247                    Settings.KEY + "=?", keyArray, null, null, null);
1248            if (cursor.moveToNext()) {
1249                long id = cursor.getLong(0);
1250                db.update(TABLE_SETTINGS, values, Settings.KEY + "=?", keyArray);
1251                return id;
1252            } else {
1253                return db.insertOrThrow(TABLE_SETTINGS, Settings.VALUE, values);
1254            }
1255        } finally {
1256            if (cursor != null) cursor.close();
1257        }
1258    }
1259
1260    @Override
1261    public int updateInTransaction(Uri uri, ContentValues values, String selection,
1262            String[] selectionArgs, boolean callerIsSyncAdapter) {
1263        int match = URI_MATCHER.match(uri);
1264        final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
1265        if (match == LEGACY || match == LEGACY_ID) {
1266            // Intercept and route to the correct table
1267            Integer bookmark = values.getAsInteger(BookmarkColumns.BOOKMARK);
1268            values.remove(BookmarkColumns.BOOKMARK);
1269            if (bookmark == null || bookmark == 0) {
1270                if (match == LEGACY) {
1271                    match = HISTORY;
1272                } else {
1273                    match = HISTORY_ID;
1274                }
1275            } else {
1276                if (match == LEGACY) {
1277                    match = BOOKMARKS;
1278                } else {
1279                    match = BOOKMARKS_ID;
1280                }
1281                values.remove(BookmarkColumns.DATE);
1282                values.remove(BookmarkColumns.VISITS);
1283                values.remove(BookmarkColumns.USER_ENTERED);
1284            }
1285        }
1286        switch (match) {
1287            case BOOKMARKS_ID: {
1288                selection = DatabaseUtils.concatenateWhere(selection,
1289                        TABLE_BOOKMARKS + "._id=?");
1290                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
1291                        new String[] { Long.toString(ContentUris.parseId(uri)) });
1292                // fall through
1293            }
1294            case BOOKMARKS: {
1295                Object[] withAccount = getSelectionWithAccounts(uri, selection, selectionArgs);
1296                selection = (String) withAccount[0];
1297                selectionArgs = (String[]) withAccount[1];
1298                int updated = updateBookmarksInTransaction(values, selection, selectionArgs,
1299                        callerIsSyncAdapter);
1300                pruneImages();
1301                return updated;
1302            }
1303
1304            case HISTORY_ID: {
1305                selection = DatabaseUtils.concatenateWhere(selection, TABLE_HISTORY + "._id=?");
1306                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
1307                        new String[] { Long.toString(ContentUris.parseId(uri)) });
1308                // fall through
1309            }
1310            case HISTORY: {
1311                int updated = updateHistoryInTransaction(values, selection, selectionArgs);
1312                pruneImages();
1313                return updated;
1314            }
1315
1316            case SYNCSTATE: {
1317                return mSyncHelper.update(mDb, values,
1318                        appendAccountToSelection(uri, selection), selectionArgs);
1319            }
1320
1321            case SYNCSTATE_ID: {
1322                selection = appendAccountToSelection(uri, selection);
1323                String selectionWithId =
1324                        (SyncStateContract.Columns._ID + "=" + ContentUris.parseId(uri) + " ")
1325                        + (selection == null ? "" : " AND (" + selection + ")");
1326                return mSyncHelper.update(mDb, values,
1327                        selectionWithId, selectionArgs);
1328            }
1329
1330            case IMAGES: {
1331                String url = values.getAsString(Images.URL);
1332                if (TextUtils.isEmpty(url)) {
1333                    throw new IllegalArgumentException("Images.URL is required");
1334                }
1335                int count = db.update(TABLE_IMAGES, values, Images.URL + "=?",
1336                        new String[] { url });
1337                if (count == 0) {
1338                    db.insertOrThrow(TABLE_IMAGES, Images.FAVICON, values);
1339                    count = 1;
1340                }
1341                return count;
1342            }
1343
1344            case SEARCHES: {
1345                return db.update(TABLE_SEARCHES, values, selection, selectionArgs);
1346            }
1347        }
1348        throw new UnsupportedOperationException("Unknown update URI " + uri);
1349    }
1350
1351    /**
1352     * Does a query to find the matching bookmarks and updates each one with the provided values.
1353     */
1354    int updateBookmarksInTransaction(ContentValues values, String selection,
1355            String[] selectionArgs, boolean callerIsSyncAdapter) {
1356        int count = 0;
1357        final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
1358        Cursor cursor = db.query(TABLE_BOOKMARKS,
1359                new String[] { Bookmarks._ID, Bookmarks.VERSION, Bookmarks.URL },
1360                selection, selectionArgs, null, null, null);
1361        try {
1362            String[] args = new String[1];
1363            // Mark the bookmark dirty if the caller isn't a sync adapter
1364            if (!callerIsSyncAdapter) {
1365                values.put(Bookmarks.DATE_MODIFIED, System.currentTimeMillis());
1366                values.put(Bookmarks.DIRTY, 1);
1367            }
1368
1369            boolean updatingUrl = values.containsKey(Bookmarks.URL);
1370            String url = null;
1371            if (updatingUrl) {
1372                url = values.getAsString(Bookmarks.URL);
1373            }
1374            ContentValues imageValues = extractImageValues(values, url);
1375
1376            while (cursor.moveToNext()) {
1377                args[0] = cursor.getString(0);
1378                if (!callerIsSyncAdapter) {
1379                    // increase the local version for non-sync changes
1380                    values.put(Bookmarks.VERSION, cursor.getLong(1) + 1);
1381                }
1382                count += db.update(TABLE_BOOKMARKS, values, "_id=?", args);
1383
1384                // Update the images over in their table
1385                if (imageValues != null) {
1386                    if (!updatingUrl) {
1387                        url = cursor.getString(2);
1388                        imageValues.put(Images.URL, url);
1389                    }
1390
1391                    if (!TextUtils.isEmpty(url)) {
1392                        args[0] = url;
1393                        if (db.update(TABLE_IMAGES, imageValues, Images.URL + "=?", args) == 0) {
1394                            db.insert(TABLE_IMAGES, Images.FAVICON, imageValues);
1395                        }
1396                    }
1397                }
1398            }
1399        } finally {
1400            if (cursor != null) cursor.close();
1401        }
1402        return count;
1403    }
1404
1405    /**
1406     * Does a query to find the matching bookmarks and updates each one with the provided values.
1407     */
1408    int updateHistoryInTransaction(ContentValues values, String selection, String[] selectionArgs) {
1409        int count = 0;
1410        final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
1411        filterSearchClient(selectionArgs);
1412        Cursor cursor = query(History.CONTENT_URI,
1413                new String[] { History._ID, History.URL },
1414                selection, selectionArgs, null);
1415        try {
1416            String[] args = new String[1];
1417
1418            boolean updatingUrl = values.containsKey(History.URL);
1419            String url = null;
1420            if (updatingUrl) {
1421                url = filterSearchClient(values.getAsString(History.URL));
1422                values.put(History.URL, url);
1423            }
1424            ContentValues imageValues = extractImageValues(values, url);
1425
1426            while (cursor.moveToNext()) {
1427                args[0] = cursor.getString(0);
1428                count += db.update(TABLE_HISTORY, values, "_id=?", args);
1429
1430                // Update the images over in their table
1431                if (imageValues != null) {
1432                    if (!updatingUrl) {
1433                        url = cursor.getString(1);
1434                        imageValues.put(Images.URL, url);
1435                    }
1436                    args[0] = url;
1437                    if (db.update(TABLE_IMAGES, imageValues, Images.URL + "=?", args) == 0) {
1438                        db.insert(TABLE_IMAGES, Images.FAVICON, imageValues);
1439                    }
1440                }
1441            }
1442        } finally {
1443            if (cursor != null) cursor.close();
1444        }
1445        return count;
1446    }
1447
1448    String appendAccountToSelection(Uri uri, String selection) {
1449        final String accountName = uri.getQueryParameter(RawContacts.ACCOUNT_NAME);
1450        final String accountType = uri.getQueryParameter(RawContacts.ACCOUNT_TYPE);
1451
1452        final boolean partialUri = TextUtils.isEmpty(accountName) ^ TextUtils.isEmpty(accountType);
1453        if (partialUri) {
1454            // Throw when either account is incomplete
1455            throw new IllegalArgumentException(
1456                    "Must specify both or neither of ACCOUNT_NAME and ACCOUNT_TYPE for " + uri);
1457        }
1458
1459        // Accounts are valid by only checking one parameter, since we've
1460        // already ruled out partial accounts.
1461        final boolean validAccount = !TextUtils.isEmpty(accountName);
1462        if (validAccount) {
1463            StringBuilder selectionSb = new StringBuilder(RawContacts.ACCOUNT_NAME + "="
1464                    + DatabaseUtils.sqlEscapeString(accountName) + " AND "
1465                    + RawContacts.ACCOUNT_TYPE + "="
1466                    + DatabaseUtils.sqlEscapeString(accountType));
1467            if (!TextUtils.isEmpty(selection)) {
1468                selectionSb.append(" AND (");
1469                selectionSb.append(selection);
1470                selectionSb.append(')');
1471            }
1472            return selectionSb.toString();
1473        } else {
1474            return selection;
1475        }
1476    }
1477
1478    ContentValues extractImageValues(ContentValues values, String url) {
1479        ContentValues imageValues = null;
1480        // favicon
1481        if (values.containsKey(Bookmarks.FAVICON)) {
1482            imageValues = new ContentValues();
1483            imageValues.put(Images.FAVICON, values.getAsByteArray(Bookmarks.FAVICON));
1484            values.remove(Bookmarks.FAVICON);
1485        }
1486
1487        // thumbnail
1488        if (values.containsKey(Bookmarks.THUMBNAIL)) {
1489            if (imageValues == null) {
1490                imageValues = new ContentValues();
1491            }
1492            imageValues.put(Images.THUMBNAIL, values.getAsByteArray(Bookmarks.THUMBNAIL));
1493            values.remove(Bookmarks.THUMBNAIL);
1494        }
1495
1496        // touch icon
1497        if (values.containsKey(Bookmarks.TOUCH_ICON)) {
1498            if (imageValues == null) {
1499                imageValues = new ContentValues();
1500            }
1501            imageValues.put(Images.TOUCH_ICON, values.getAsByteArray(Bookmarks.TOUCH_ICON));
1502            values.remove(Bookmarks.TOUCH_ICON);
1503        }
1504
1505        if (imageValues != null) {
1506            imageValues.put(Images.URL,  url);
1507        }
1508        return imageValues;
1509    }
1510
1511    void pruneImages() {
1512        final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
1513        db.delete(TABLE_IMAGES, IMAGE_PRUNE, null);
1514    }
1515
1516    static class SuggestionsCursor extends AbstractCursor {
1517        private static final int ID_INDEX = 0;
1518        private static final int URL_INDEX = 1;
1519        private static final int TITLE_INDEX = 2;
1520        // shared suggestion array index, make sure to match COLUMNS
1521        private static final int SUGGEST_COLUMN_INTENT_ACTION_ID = 1;
1522        private static final int SUGGEST_COLUMN_INTENT_DATA_ID = 2;
1523        private static final int SUGGEST_COLUMN_TEXT_1_ID = 3;
1524        private static final int SUGGEST_COLUMN_TEXT_2_TEXT_ID = 4;
1525        private static final int SUGGEST_COLUMN_TEXT_2_URL_ID = 5;
1526        private static final int SUGGEST_COLUMN_ICON_1_ID = 6;
1527
1528        // shared suggestion columns
1529        private static final String[] COLUMNS = new String[] {
1530                BaseColumns._ID,
1531                SearchManager.SUGGEST_COLUMN_INTENT_ACTION,
1532                SearchManager.SUGGEST_COLUMN_INTENT_DATA,
1533                SearchManager.SUGGEST_COLUMN_TEXT_1,
1534                SearchManager.SUGGEST_COLUMN_TEXT_2,
1535                SearchManager.SUGGEST_COLUMN_TEXT_2_URL,
1536                SearchManager.SUGGEST_COLUMN_ICON_1};
1537
1538        private Cursor mSource;
1539
1540        public SuggestionsCursor(Cursor cursor) {
1541            mSource = cursor;
1542        }
1543
1544        @Override
1545        public String[] getColumnNames() {
1546            return COLUMNS;
1547        }
1548
1549        @Override
1550        public String getString(int columnIndex) {
1551            switch (columnIndex) {
1552            case ID_INDEX:
1553                return mSource.getString(columnIndex);
1554            case SUGGEST_COLUMN_INTENT_ACTION_ID:
1555                return Intent.ACTION_VIEW;
1556            case SUGGEST_COLUMN_INTENT_DATA_ID:
1557            case SUGGEST_COLUMN_TEXT_2_TEXT_ID:
1558            case SUGGEST_COLUMN_TEXT_2_URL_ID:
1559                return mSource.getString(URL_INDEX);
1560            case SUGGEST_COLUMN_TEXT_1_ID:
1561                return mSource.getString(TITLE_INDEX);
1562            case SUGGEST_COLUMN_ICON_1_ID:
1563                return Integer.toString(R.drawable.ic_favorite_off_normal);
1564            }
1565            return null;
1566        }
1567
1568        @Override
1569        public int getCount() {
1570            return mSource.getCount();
1571        }
1572
1573        @Override
1574        public double getDouble(int column) {
1575            throw new UnsupportedOperationException();
1576        }
1577
1578        @Override
1579        public float getFloat(int column) {
1580            throw new UnsupportedOperationException();
1581        }
1582
1583        @Override
1584        public int getInt(int column) {
1585            throw new UnsupportedOperationException();
1586        }
1587
1588        @Override
1589        public long getLong(int column) {
1590            switch (column) {
1591            case ID_INDEX:
1592                return mSource.getLong(ID_INDEX);
1593            }
1594            throw new UnsupportedOperationException();
1595        }
1596
1597        @Override
1598        public short getShort(int column) {
1599            throw new UnsupportedOperationException();
1600        }
1601
1602        @Override
1603        public boolean isNull(int column) {
1604            return mSource.isNull(column);
1605        }
1606
1607        @Override
1608        public boolean onMove(int oldPosition, int newPosition) {
1609            return mSource.moveToPosition(newPosition);
1610        }
1611    }
1612}
1613