BrowserProvider2.java revision c86d5a5c758da71e098778682562c2b9a6512dde
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.BookmarkColumns;
45import android.provider.BrowserContract;
46import android.provider.BrowserContract.Accounts;
47import android.provider.BrowserContract.Bookmarks;
48import android.provider.BrowserContract.ChromeSyncColumns;
49import android.provider.BrowserContract.Combined;
50import android.provider.BrowserContract.History;
51import android.provider.BrowserContract.Images;
52import android.provider.BrowserContract.Searches;
53import android.provider.BrowserContract.Settings;
54import android.provider.BrowserContract.SyncState;
55import android.provider.ContactsContract.RawContacts;
56import android.provider.SyncStateContract;
57import android.text.TextUtils;
58
59import java.io.ByteArrayOutputStream;
60import java.io.IOException;
61import java.io.InputStream;
62import java.util.HashMap;
63
64public class BrowserProvider2 extends SQLiteContentProvider {
65
66    static final String LEGACY_AUTHORITY = "browser";
67    static final Uri LEGACY_AUTHORITY_URI = new Uri.Builder().authority(LEGACY_AUTHORITY).build();
68
69    static final String TABLE_BOOKMARKS = "bookmarks";
70    static final String TABLE_HISTORY = "history";
71    static final String TABLE_IMAGES = "images";
72    static final String TABLE_SEARCHES = "searches";
73    static final String TABLE_SYNC_STATE = "syncstate";
74    static final String TABLE_SETTINGS = "settings";
75
76    static final String TABLE_BOOKMARKS_JOIN_IMAGES = "bookmarks LEFT OUTER JOIN images " +
77            "ON bookmarks.url = images." + Images.URL;
78    static final String TABLE_HISTORY_JOIN_IMAGES = "history LEFT OUTER JOIN images " +
79            "ON history.url = images." + Images.URL;
80
81    static final String FORMAT_COMBINED_JOIN_SUBQUERY_JOIN_IMAGES =
82            "history LEFT OUTER JOIN (%s) bookmarks " +
83            "ON history.url = bookmarks.url LEFT OUTER JOIN images " +
84            "ON history.url = images.url_key";
85
86    static final String DEFAULT_SORT_HISTORY = History.DATE_LAST_VISITED + " DESC";
87
88    static final String DEFAULT_SORT_SEARCHES = Searches.DATE + " 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    static final int BOOKMARKS = 1000;
100    static final int BOOKMARKS_ID = 1001;
101    static final int BOOKMARKS_FOLDER = 1002;
102    static final int BOOKMARKS_FOLDER_ID = 1003;
103    static final int BOOKMARKS_SUGGESTIONS = 1004;
104
105    static final int HISTORY = 2000;
106    static final int HISTORY_ID = 2001;
107
108    static final int SEARCHES = 3000;
109    static final int SEARCHES_ID = 3001;
110
111    static final int SYNCSTATE = 4000;
112    static final int SYNCSTATE_ID = 4001;
113
114    static final int IMAGES = 5000;
115
116    static final int COMBINED = 6000;
117    static final int COMBINED_ID = 6001;
118
119    static final int ACCOUNTS = 7000;
120
121    static final int SETTINGS = 8000;
122
123    static final int LEGACY = 9000;
124    static final int LEGACY_ID = 9001;
125
126    public static final long FIXED_ID_ROOT = 1;
127
128    // Default sort order for unsync'd bookmarks
129    static final String DEFAULT_BOOKMARKS_SORT_ORDER =
130            Bookmarks.IS_FOLDER + " DESC, position ASC, _id ASC";
131
132    // Default sort order for sync'd bookmarks
133    static final String DEFAULT_BOOKMARKS_SORT_ORDER_SYNC = "position ASC, _id ASC";
134
135    static final UriMatcher URI_MATCHER = new UriMatcher(UriMatcher.NO_MATCH);
136
137    static final HashMap<String, String> ACCOUNTS_PROJECTION_MAP = new HashMap<String, String>();
138    static final HashMap<String, String> BOOKMARKS_PROJECTION_MAP = new HashMap<String, String>();
139    static final HashMap<String, String> OTHER_BOOKMARKS_PROJECTION_MAP =
140            new HashMap<String, String>();
141    static final HashMap<String, String> HISTORY_PROJECTION_MAP = new HashMap<String, String>();
142    static final HashMap<String, String> SYNC_STATE_PROJECTION_MAP = new HashMap<String, String>();
143    static final HashMap<String, String> IMAGES_PROJECTION_MAP = new HashMap<String, String>();
144    static final HashMap<String, String> COMBINED_HISTORY_PROJECTION_MAP = new HashMap<String, String>();
145    static final HashMap<String, String> COMBINED_BOOKMARK_PROJECTION_MAP = new HashMap<String, String>();
146    static final HashMap<String, String> SEARCHES_PROJECTION_MAP = new HashMap<String, String>();
147    static final HashMap<String, String> SETTINGS_PROJECTION_MAP = new HashMap<String, String>();
148
149    static {
150        final UriMatcher matcher = URI_MATCHER;
151        final String authority = BrowserContract.AUTHORITY;
152        matcher.addURI(authority, "accounts", ACCOUNTS);
153        matcher.addURI(authority, "bookmarks", BOOKMARKS);
154        matcher.addURI(authority, "bookmarks/#", BOOKMARKS_ID);
155        matcher.addURI(authority, "bookmarks/folder", BOOKMARKS_FOLDER);
156        matcher.addURI(authority, "bookmarks/folder/#", BOOKMARKS_FOLDER_ID);
157        matcher.addURI(authority,
158                "bookmarks/" + SearchManager.SUGGEST_URI_PATH_QUERY,
159                BOOKMARKS_SUGGESTIONS);
160        matcher.addURI(authority, "history", HISTORY);
161        matcher.addURI(authority, "history/#", HISTORY_ID);
162        matcher.addURI(authority, "searches", SEARCHES);
163        matcher.addURI(authority, "searches/#", SEARCHES_ID);
164        matcher.addURI(authority, "syncstate", SYNCSTATE);
165        matcher.addURI(authority, "syncstate/#", SYNCSTATE_ID);
166        matcher.addURI(authority, "images", IMAGES);
167        matcher.addURI(authority, "combined", COMBINED);
168        matcher.addURI(authority, "combined/#", COMBINED_ID);
169        matcher.addURI(authority, "settings", SETTINGS);
170
171        // Legacy
172        matcher.addURI(LEGACY_AUTHORITY, "searches", SEARCHES);
173        matcher.addURI(LEGACY_AUTHORITY, "searches/#", SEARCHES_ID);
174        matcher.addURI(LEGACY_AUTHORITY, "bookmarks", LEGACY);
175        matcher.addURI(LEGACY_AUTHORITY, "bookmarks/#", LEGACY_ID);
176        matcher.addURI(LEGACY_AUTHORITY,
177                "bookmarks/" + SearchManager.SUGGEST_URI_PATH_QUERY,
178                BOOKMARKS_SUGGESTIONS);
179
180        // Projection maps
181        HashMap<String, String> map;
182
183        // Accounts
184        map = ACCOUNTS_PROJECTION_MAP;
185        map.put(Accounts.ACCOUNT_TYPE, Accounts.ACCOUNT_TYPE);
186        map.put(Accounts.ACCOUNT_NAME, Accounts.ACCOUNT_NAME);
187
188        // Bookmarks
189        map = BOOKMARKS_PROJECTION_MAP;
190        map.put(Bookmarks._ID, qualifyColumn(TABLE_BOOKMARKS, Bookmarks._ID));
191        map.put(Bookmarks.TITLE, Bookmarks.TITLE);
192        map.put(Bookmarks.URL, Bookmarks.URL);
193        map.put(Bookmarks.FAVICON, Bookmarks.FAVICON);
194        map.put(Bookmarks.THUMBNAIL, Bookmarks.THUMBNAIL);
195        map.put(Bookmarks.TOUCH_ICON, Bookmarks.TOUCH_ICON);
196        map.put(Bookmarks.IS_FOLDER, Bookmarks.IS_FOLDER);
197        map.put(Bookmarks.PARENT, Bookmarks.PARENT);
198        map.put(Bookmarks.POSITION, Bookmarks.POSITION);
199        map.put(Bookmarks.INSERT_AFTER, Bookmarks.INSERT_AFTER);
200        map.put(Bookmarks.IS_DELETED, Bookmarks.IS_DELETED);
201        map.put(Bookmarks.ACCOUNT_NAME, Bookmarks.ACCOUNT_NAME);
202        map.put(Bookmarks.ACCOUNT_TYPE, Bookmarks.ACCOUNT_TYPE);
203        map.put(Bookmarks.SOURCE_ID, Bookmarks.SOURCE_ID);
204        map.put(Bookmarks.VERSION, Bookmarks.VERSION);
205        map.put(Bookmarks.DATE_CREATED, Bookmarks.DATE_CREATED);
206        map.put(Bookmarks.DATE_MODIFIED, Bookmarks.DATE_MODIFIED);
207        map.put(Bookmarks.DIRTY, Bookmarks.DIRTY);
208        map.put(Bookmarks.SYNC1, Bookmarks.SYNC1);
209        map.put(Bookmarks.SYNC2, Bookmarks.SYNC2);
210        map.put(Bookmarks.SYNC3, Bookmarks.SYNC3);
211        map.put(Bookmarks.SYNC4, Bookmarks.SYNC4);
212        map.put(Bookmarks.SYNC5, Bookmarks.SYNC5);
213        map.put(Bookmarks.PARENT_SOURCE_ID, "(SELECT " + Bookmarks.SOURCE_ID +
214                " FROM " + TABLE_BOOKMARKS + " A WHERE " +
215                "A." + Bookmarks._ID + "=" + TABLE_BOOKMARKS + "." + Bookmarks.PARENT +
216                ") AS " + Bookmarks.PARENT_SOURCE_ID);
217        map.put(Bookmarks.INSERT_AFTER_SOURCE_ID, "(SELECT " + Bookmarks.SOURCE_ID +
218                " FROM " + TABLE_BOOKMARKS + " A WHERE " +
219                "A." + Bookmarks._ID + "=" + TABLE_BOOKMARKS + "." + Bookmarks.INSERT_AFTER +
220                ") AS " + Bookmarks.INSERT_AFTER_SOURCE_ID);
221
222        // Other bookmarks
223        OTHER_BOOKMARKS_PROJECTION_MAP.putAll(BOOKMARKS_PROJECTION_MAP);
224        OTHER_BOOKMARKS_PROJECTION_MAP.put(Bookmarks.POSITION,
225                Long.toString(Long.MAX_VALUE) + " AS " + Bookmarks.POSITION);
226
227        // History
228        map = HISTORY_PROJECTION_MAP;
229        map.put(History._ID, qualifyColumn(TABLE_HISTORY, History._ID));
230        map.put(History.TITLE, History.TITLE);
231        map.put(History.URL, History.URL);
232        map.put(History.FAVICON, History.FAVICON);
233        map.put(History.THUMBNAIL, History.THUMBNAIL);
234        map.put(History.TOUCH_ICON, History.TOUCH_ICON);
235        map.put(History.DATE_CREATED, History.DATE_CREATED);
236        map.put(History.DATE_LAST_VISITED, History.DATE_LAST_VISITED);
237        map.put(History.VISITS, History.VISITS);
238        map.put(History.USER_ENTERED, History.USER_ENTERED);
239
240        // Sync state
241        map = SYNC_STATE_PROJECTION_MAP;
242        map.put(SyncState._ID, SyncState._ID);
243        map.put(SyncState.ACCOUNT_NAME, SyncState.ACCOUNT_NAME);
244        map.put(SyncState.ACCOUNT_TYPE, SyncState.ACCOUNT_TYPE);
245        map.put(SyncState.DATA, SyncState.DATA);
246
247        // Images
248        map = IMAGES_PROJECTION_MAP;
249        map.put(Images.URL, Images.URL);
250        map.put(Images.FAVICON, Images.FAVICON);
251        map.put(Images.THUMBNAIL, Images.THUMBNAIL);
252        map.put(Images.TOUCH_ICON, Images.TOUCH_ICON);
253
254        // Combined history half
255        map = COMBINED_HISTORY_PROJECTION_MAP;
256        map.put(Combined._ID, bookmarkOrHistoryColumn(Combined._ID));
257        map.put(Combined.TITLE, bookmarkOrHistoryColumn(Combined.TITLE));
258        map.put(Combined.URL, qualifyColumn(TABLE_HISTORY, Combined.URL));
259        map.put(Combined.DATE_CREATED, qualifyColumn(TABLE_HISTORY, Combined.DATE_CREATED));
260        map.put(Combined.DATE_LAST_VISITED, Combined.DATE_LAST_VISITED);
261        map.put(Combined.IS_BOOKMARK, "CASE WHEN " +
262                TABLE_BOOKMARKS + "." + Bookmarks._ID +
263                " IS NOT NULL THEN 1 ELSE 0 END AS " + Combined.IS_BOOKMARK);
264        map.put(Combined.VISITS, Combined.VISITS);
265        map.put(Combined.FAVICON, Combined.FAVICON);
266        map.put(Combined.THUMBNAIL, Combined.THUMBNAIL);
267        map.put(Combined.TOUCH_ICON, Combined.TOUCH_ICON);
268        map.put(Combined.USER_ENTERED, "NULL AS " + Combined.USER_ENTERED);
269
270        // Combined bookmark half
271        map = COMBINED_BOOKMARK_PROJECTION_MAP;
272        map.put(Combined._ID, Combined._ID);
273        map.put(Combined.TITLE, Combined.TITLE);
274        map.put(Combined.URL, Combined.URL);
275        map.put(Combined.DATE_CREATED, Combined.DATE_CREATED);
276        map.put(Combined.DATE_LAST_VISITED, "NULL AS " + Combined.DATE_LAST_VISITED);
277        map.put(Combined.IS_BOOKMARK, "1 AS " + Combined.IS_BOOKMARK);
278        map.put(Combined.VISITS, "0 AS " + Combined.VISITS);
279        map.put(Combined.FAVICON, Combined.FAVICON);
280        map.put(Combined.THUMBNAIL, Combined.THUMBNAIL);
281        map.put(Combined.TOUCH_ICON, Combined.TOUCH_ICON);
282        map.put(Combined.USER_ENTERED, "NULL AS " + Combined.USER_ENTERED);
283
284        // Searches
285        map = SEARCHES_PROJECTION_MAP;
286        map.put(Searches._ID, Searches._ID);
287        map.put(Searches.SEARCH, Searches.SEARCH);
288        map.put(Searches.DATE, Searches.DATE);
289
290        // Settings
291        map = SETTINGS_PROJECTION_MAP;
292        map.put(Settings.KEY, Settings.KEY);
293        map.put(Settings.VALUE, Settings.VALUE);
294    }
295
296    static final String bookmarkOrHistoryColumn(String column) {
297        return "CASE WHEN bookmarks." + column + " IS NOT NULL THEN " +
298                "bookmarks." + column + " ELSE history." + column + " END AS " + column;
299    }
300
301    static final String qualifyColumn(String table, String column) {
302        return table + "." + column + " AS " + column;
303    }
304
305    DatabaseHelper mOpenHelper;
306    SyncStateContentProviderHelper mSyncHelper = new SyncStateContentProviderHelper();
307
308    final class DatabaseHelper extends SQLiteOpenHelper {
309        static final String DATABASE_NAME = "browser2.db";
310        static final int DATABASE_VERSION = 26;
311        public DatabaseHelper(Context context) {
312            super(context, DATABASE_NAME, null, DATABASE_VERSION);
313        }
314
315        @Override
316        public void onCreate(SQLiteDatabase db) {
317            db.execSQL("CREATE TABLE " + TABLE_BOOKMARKS + "(" +
318                    Bookmarks._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," +
319                    Bookmarks.TITLE + " TEXT," +
320                    Bookmarks.URL + " TEXT," +
321                    Bookmarks.IS_FOLDER + " INTEGER NOT NULL DEFAULT 0," +
322                    Bookmarks.PARENT + " INTEGER," +
323                    Bookmarks.POSITION + " INTEGER NOT NULL," +
324                    Bookmarks.INSERT_AFTER + " INTEGER," +
325                    Bookmarks.IS_DELETED + " INTEGER NOT NULL DEFAULT 0," +
326                    Bookmarks.ACCOUNT_NAME + " TEXT," +
327                    Bookmarks.ACCOUNT_TYPE + " TEXT," +
328                    Bookmarks.SOURCE_ID + " TEXT," +
329                    Bookmarks.VERSION + " INTEGER NOT NULL DEFAULT 1," +
330                    Bookmarks.DATE_CREATED + " INTEGER," +
331                    Bookmarks.DATE_MODIFIED + " INTEGER," +
332                    Bookmarks.DIRTY + " INTEGER NOT NULL DEFAULT 0," +
333                    Bookmarks.SYNC1 + " TEXT," +
334                    Bookmarks.SYNC2 + " TEXT," +
335                    Bookmarks.SYNC3 + " TEXT," +
336                    Bookmarks.SYNC4 + " TEXT," +
337                    Bookmarks.SYNC5 + " TEXT" +
338                    ");");
339
340            // TODO indices
341
342            db.execSQL("CREATE TABLE " + TABLE_HISTORY + "(" +
343                    History._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," +
344                    History.TITLE + " TEXT," +
345                    History.URL + " TEXT NOT NULL," +
346                    History.DATE_CREATED + " INTEGER," +
347                    History.DATE_LAST_VISITED + " INTEGER," +
348                    History.VISITS + " INTEGER NOT NULL DEFAULT 0," +
349                    History.USER_ENTERED + " INTEGER" +
350                    ");");
351
352            db.execSQL("CREATE TABLE " + TABLE_IMAGES + " (" +
353                    Images.URL + " TEXT UNIQUE NOT NULL," +
354                    Images.FAVICON + " BLOB," +
355                    Images.THUMBNAIL + " BLOB," +
356                    Images.TOUCH_ICON + " BLOB" +
357                    ");");
358            db.execSQL("CREATE INDEX imagesUrlIndex ON " + TABLE_IMAGES +
359                    "(" + Images.URL + ")");
360
361            db.execSQL("CREATE TABLE " + TABLE_SEARCHES + " (" +
362                    Searches._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," +
363                    Searches.SEARCH + " TEXT," +
364                    Searches.DATE + " LONG" +
365                    ");");
366
367            db.execSQL("CREATE TABLE " + TABLE_SETTINGS + " (" +
368                    Settings.KEY + " TEXT PRIMARY KEY," +
369                    Settings.VALUE + " TEXT NOT NULL" +
370                    ");");
371
372            mSyncHelper.createDatabase(db);
373
374            createDefaultBookmarks(db);
375        }
376
377        @Override
378        public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
379            // TODO write upgrade logic
380            db.execSQL("DROP VIEW IF EXISTS combined");
381            if (oldVersion < 25) {
382                db.execSQL("DROP TABLE IF EXISTS " + TABLE_BOOKMARKS);
383                db.execSQL("DROP TABLE IF EXISTS " + TABLE_HISTORY);
384                db.execSQL("DROP TABLE IF EXISTS " + TABLE_SEARCHES);
385                db.execSQL("DROP TABLE IF EXISTS " + TABLE_IMAGES);
386                db.execSQL("DROP TABLE IF EXISTS " + TABLE_SETTINGS);
387                mSyncHelper.onAccountsChanged(db, new Account[] {}); // remove all sync info
388                onCreate(db);
389            }
390        }
391
392        @Override
393        public void onOpen(SQLiteDatabase db) {
394            mSyncHelper.onDatabaseOpened(db);
395        }
396
397        private void createDefaultBookmarks(SQLiteDatabase db) {
398            ContentValues values = new ContentValues();
399            // TODO figure out how to deal with localization for the defaults
400
401            // Bookmarks folder
402            values.put(Bookmarks._ID, FIXED_ID_ROOT);
403            values.put(ChromeSyncColumns.SERVER_UNIQUE, ChromeSyncColumns.FOLDER_NAME_BOOKMARKS);
404            values.put(Bookmarks.TITLE, "Bookmarks");
405            values.putNull(Bookmarks.PARENT);
406            values.put(Bookmarks.POSITION, 0);
407            values.put(Bookmarks.IS_FOLDER, true);
408            values.put(Bookmarks.DIRTY, true);
409            db.insertOrThrow(TABLE_BOOKMARKS, null, values);
410
411            addDefaultBookmarks(db, FIXED_ID_ROOT);
412        }
413
414        private void addDefaultBookmarks(SQLiteDatabase db, long parentId) {
415            Resources res = getContext().getResources();
416            final CharSequence[] bookmarks = res.getTextArray(
417                    R.array.bookmarks);
418            int size = bookmarks.length;
419            TypedArray preloads = res.obtainTypedArray(R.array.bookmark_preloads);
420            try {
421                String parent = Long.toString(parentId);
422                String now = Long.toString(System.currentTimeMillis());
423                for (int i = 0; i < size; i = i + 2) {
424                    CharSequence bookmarkDestination = replaceSystemPropertyInString(getContext(),
425                            bookmarks[i + 1]);
426                    db.execSQL("INSERT INTO bookmarks (" +
427                            Bookmarks.TITLE + ", " +
428                            Bookmarks.URL + ", " +
429                            Bookmarks.IS_FOLDER + "," +
430                            Bookmarks.PARENT + "," +
431                            Bookmarks.POSITION + "," +
432                            Bookmarks.DATE_CREATED +
433                        ") VALUES (" +
434                            "'" + bookmarks[i] + "', " +
435                            "'" + bookmarkDestination + "', " +
436                            "0," +
437                            parent + "," +
438                            Integer.toString(i) + "," +
439                            now +
440                            ");");
441
442                    int faviconId = preloads.getResourceId(i, 0);
443                    int thumbId = preloads.getResourceId(i + 1, 0);
444                    byte[] thumb = null, favicon = null;
445                    try {
446                        thumb = readRaw(res, thumbId);
447                    } catch (IOException e) {
448                    }
449                    try {
450                        favicon = readRaw(res, faviconId);
451                    } catch (IOException e) {
452                    }
453                    if (thumb != null || favicon != null) {
454                        ContentValues imageValues = new ContentValues();
455                        imageValues.put(Images.URL, bookmarkDestination.toString());
456                        if (favicon != null) {
457                            imageValues.put(Images.FAVICON, favicon);
458                        }
459                        if (thumb != null) {
460                            imageValues.put(Images.THUMBNAIL, thumb);
461                        }
462                        db.insert(TABLE_IMAGES, Images.FAVICON, imageValues);
463                    }
464                }
465            } catch (ArrayIndexOutOfBoundsException e) {
466            }
467        }
468
469        private byte[] readRaw(Resources res, int id) throws IOException {
470            InputStream is = res.openRawResource(id);
471            try {
472                ByteArrayOutputStream bos = new ByteArrayOutputStream();
473                byte[] buf = new byte[4096];
474                int read;
475                while ((read = is.read(buf)) > 0) {
476                    bos.write(buf, 0, read);
477                }
478                bos.flush();
479                return bos.toByteArray();
480            } finally {
481                is.close();
482            }
483        }
484
485        // XXX: This is a major hack to remove our dependency on gsf constants and
486        // its content provider. http://b/issue?id=2425179
487        private String getClientId(ContentResolver cr) {
488            String ret = "android-google";
489            Cursor c = null;
490            try {
491                c = cr.query(Uri.parse("content://com.google.settings/partner"),
492                        new String[] { "value" }, "name='client_id'", null, null);
493                if (c != null && c.moveToNext()) {
494                    ret = c.getString(0);
495                }
496            } catch (RuntimeException ex) {
497                // fall through to return the default
498            } finally {
499                if (c != null) {
500                    c.close();
501                }
502            }
503            return ret;
504        }
505
506        private CharSequence replaceSystemPropertyInString(Context context, CharSequence srcString) {
507            StringBuffer sb = new StringBuffer();
508            int lastCharLoc = 0;
509
510            final String client_id = getClientId(context.getContentResolver());
511
512            for (int i = 0; i < srcString.length(); ++i) {
513                char c = srcString.charAt(i);
514                if (c == '{') {
515                    sb.append(srcString.subSequence(lastCharLoc, i));
516                    lastCharLoc = i;
517              inner:
518                    for (int j = i; j < srcString.length(); ++j) {
519                        char k = srcString.charAt(j);
520                        if (k == '}') {
521                            String propertyKeyValue = srcString.subSequence(i + 1, j).toString();
522                            if (propertyKeyValue.equals("CLIENT_ID")) {
523                                sb.append(client_id);
524                            } else {
525                                sb.append("unknown");
526                            }
527                            lastCharLoc = j + 1;
528                            i = j;
529                            break inner;
530                        }
531                    }
532                }
533            }
534            if (srcString.length() - lastCharLoc > 0) {
535                // Put on the tail, if there is one
536                sb.append(srcString.subSequence(lastCharLoc, srcString.length()));
537            }
538            return sb;
539        }
540    }
541
542    @Override
543    public SQLiteOpenHelper getDatabaseHelper(Context context) {
544        synchronized (this) {
545            if (mOpenHelper == null) {
546                mOpenHelper = new DatabaseHelper(context);
547            }
548            return mOpenHelper;
549        }
550    }
551
552    @Override
553    public boolean isCallerSyncAdapter(Uri uri) {
554        return uri.getBooleanQueryParameter(BrowserContract.CALLER_IS_SYNCADAPTER, false);
555    }
556
557    @Override
558    public void notifyChange(boolean callerIsSyncAdapter) {
559        ContentResolver resolver = getContext().getContentResolver();
560        resolver.notifyChange(BrowserContract.AUTHORITY_URI, null, !callerIsSyncAdapter);
561        resolver.notifyChange(LEGACY_AUTHORITY_URI, null, !callerIsSyncAdapter);
562    }
563
564    @Override
565    public String getType(Uri uri) {
566        final int match = URI_MATCHER.match(uri);
567        switch (match) {
568            case LEGACY:
569            case BOOKMARKS:
570                return Bookmarks.CONTENT_TYPE;
571            case LEGACY_ID:
572            case BOOKMARKS_ID:
573                return Bookmarks.CONTENT_ITEM_TYPE;
574            case HISTORY:
575                return History.CONTENT_TYPE;
576            case HISTORY_ID:
577                return History.CONTENT_ITEM_TYPE;
578            case SEARCHES:
579                return Searches.CONTENT_TYPE;
580            case SEARCHES_ID:
581                return Searches.CONTENT_ITEM_TYPE;
582        }
583        return null;
584    }
585
586    @Override
587    public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
588            String sortOrder) {
589        SQLiteDatabase db = mOpenHelper.getReadableDatabase();
590        final int match = URI_MATCHER.match(uri);
591        SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
592        String limit = uri.getQueryParameter(BrowserContract.PARAM_LIMIT);
593        switch (match) {
594            case ACCOUNTS: {
595                qb.setTables(TABLE_BOOKMARKS);
596                qb.setProjectionMap(ACCOUNTS_PROJECTION_MAP);
597                qb.setDistinct(true);
598                qb.appendWhere(Bookmarks.ACCOUNT_NAME + " IS NOT NULL");
599                break;
600            }
601
602            case BOOKMARKS_FOLDER_ID:
603            case BOOKMARKS_ID:
604            case BOOKMARKS: {
605                // Only show deleted bookmarks if requested to do so
606                if (!uri.getBooleanQueryParameter(Bookmarks.QUERY_PARAMETER_SHOW_DELETED, false)) {
607                    selection = DatabaseUtils.concatenateWhere(
608                            Bookmarks.IS_DELETED + "=0", selection);
609                }
610
611                if (match == BOOKMARKS_ID) {
612                    // Tack on the ID of the specific bookmark requested
613                    selection = DatabaseUtils.concatenateWhere(selection,
614                            TABLE_BOOKMARKS + "." + Bookmarks._ID + "=?");
615                    selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
616                            new String[] { Long.toString(ContentUris.parseId(uri)) });
617                } else if (match == BOOKMARKS_FOLDER_ID) {
618                    // Tack on the ID of the specific folder requested
619                    selection = DatabaseUtils.concatenateWhere(selection,
620                            TABLE_BOOKMARKS + "." + Bookmarks.PARENT + "=?");
621                    selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
622                            new String[] { Long.toString(ContentUris.parseId(uri)) });
623                }
624
625                // Look for account info
626                String accountType = uri.getQueryParameter(Bookmarks.PARAM_ACCOUNT_TYPE);
627                String accountName = uri.getQueryParameter(Bookmarks.PARAM_ACCOUNT_NAME);
628                if (!TextUtils.isEmpty(accountType) && !TextUtils.isEmpty(accountName)) {
629                    selection = DatabaseUtils.concatenateWhere(selection,
630                            Bookmarks.ACCOUNT_TYPE + "=? AND " + Bookmarks.ACCOUNT_NAME + "=? ");
631                    selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
632                            new String[] { accountType, accountName });
633                }
634
635                // Set a default sort order if one isn't specified
636                if (TextUtils.isEmpty(sortOrder)) {
637                    if (!TextUtils.isEmpty(accountType)
638                            && !TextUtils.isEmpty(accountName)) {
639                        sortOrder = DEFAULT_BOOKMARKS_SORT_ORDER_SYNC;
640                    } else {
641                        sortOrder = DEFAULT_BOOKMARKS_SORT_ORDER;
642                    }
643                }
644
645                qb.setProjectionMap(BOOKMARKS_PROJECTION_MAP);
646                qb.setTables(TABLE_BOOKMARKS_JOIN_IMAGES);
647                break;
648            }
649
650            case BOOKMARKS_FOLDER: {
651                // Look for an account
652                boolean useAccount = false;
653                String accountType = uri.getQueryParameter(Bookmarks.PARAM_ACCOUNT_TYPE);
654                String accountName = uri.getQueryParameter(Bookmarks.PARAM_ACCOUNT_NAME);
655                if (!TextUtils.isEmpty(accountType) && !TextUtils.isEmpty(accountName)) {
656                    useAccount = true;
657                }
658
659                qb.setTables(TABLE_BOOKMARKS_JOIN_IMAGES);
660                String[] args;
661                String query;
662                // Set a default sort order if one isn't specified
663                if (TextUtils.isEmpty(sortOrder)) {
664                    if (useAccount) {
665                        sortOrder = DEFAULT_BOOKMARKS_SORT_ORDER_SYNC;
666                    } else {
667                        sortOrder = DEFAULT_BOOKMARKS_SORT_ORDER;
668                    }
669                }
670                if (!useAccount) {
671                    qb.setProjectionMap(BOOKMARKS_PROJECTION_MAP);
672                    String where = Bookmarks.PARENT + "=? AND " + Bookmarks.IS_DELETED + "=0";
673                    where = DatabaseUtils.concatenateWhere(where, selection);
674                    args = new String[] { Long.toString(FIXED_ID_ROOT) };
675                    if (selectionArgs != null) {
676                        args = DatabaseUtils.appendSelectionArgs(args, selectionArgs);
677                    }
678                    query = qb.buildQuery(projection, where, null, null, sortOrder, null);
679                } else {
680                    qb.setProjectionMap(BOOKMARKS_PROJECTION_MAP);
681                    String where = Bookmarks.ACCOUNT_TYPE + "=? AND " +
682                            Bookmarks.ACCOUNT_NAME + "=? " +
683                            "AND parent = " +
684                            "(SELECT _id FROM " + TABLE_BOOKMARKS + " WHERE " +
685                            ChromeSyncColumns.SERVER_UNIQUE + "=" +
686                            "'" + ChromeSyncColumns.FOLDER_NAME_BOOKMARKS_BAR + "' " +
687                            "AND account_type = ? AND account_name = ?) " +
688                            "AND " + Bookmarks.IS_DELETED + "=0";
689                    where = DatabaseUtils.concatenateWhere(where, selection);
690                    String bookmarksBarQuery = qb.buildQuery(projection,
691                            where, null, null, null, null);
692                    args = new String[] {accountType, accountName,
693                            accountType, accountName};
694                    if (selectionArgs != null) {
695                        args = DatabaseUtils.appendSelectionArgs(args, selectionArgs);
696                    }
697
698                    where = Bookmarks.ACCOUNT_TYPE + "=? AND " + Bookmarks.ACCOUNT_NAME + "=?" +
699                            " AND " + ChromeSyncColumns.SERVER_UNIQUE + "=?";
700                    where = DatabaseUtils.concatenateWhere(where, selection);
701                    qb.setProjectionMap(OTHER_BOOKMARKS_PROJECTION_MAP);
702                    String otherBookmarksQuery = qb.buildQuery(projection,
703                            where, null, null, null, null);
704
705                    query = qb.buildUnionQuery(
706                            new String[] { bookmarksBarQuery, otherBookmarksQuery },
707                            sortOrder, limit);
708
709                    args = DatabaseUtils.appendSelectionArgs(args, new String[] {
710                            accountType, accountName, ChromeSyncColumns.FOLDER_NAME_OTHER_BOOKMARKS,
711                            });
712                    if (selectionArgs != null) {
713                        args = DatabaseUtils.appendSelectionArgs(args, selectionArgs);
714                    }
715                }
716
717                Cursor cursor = db.rawQuery(query, args);
718                if (cursor != null) {
719                    cursor.setNotificationUri(getContext().getContentResolver(),
720                            BrowserContract.AUTHORITY_URI);
721                }
722                return cursor;
723            }
724
725            case BOOKMARKS_SUGGESTIONS: {
726                return doSuggestQuery(selection, selectionArgs, limit);
727            }
728
729            case HISTORY_ID: {
730                selection = DatabaseUtils.concatenateWhere(selection, TABLE_HISTORY + "._id=?");
731                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
732                        new String[] { Long.toString(ContentUris.parseId(uri)) });
733                // fall through
734            }
735            case HISTORY: {
736                filterSearchClient(selectionArgs);
737                if (sortOrder == null) {
738                    sortOrder = DEFAULT_SORT_HISTORY;
739                }
740                qb.setProjectionMap(HISTORY_PROJECTION_MAP);
741                qb.setTables(TABLE_HISTORY_JOIN_IMAGES);
742                break;
743            }
744
745            case SEARCHES_ID: {
746                selection = DatabaseUtils.concatenateWhere(selection, TABLE_SEARCHES + "._id=?");
747                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
748                        new String[] { Long.toString(ContentUris.parseId(uri)) });
749                // fall through
750            }
751            case SEARCHES: {
752                if (sortOrder == null) {
753                    sortOrder = DEFAULT_SORT_SEARCHES;
754                }
755                qb.setTables(TABLE_SEARCHES);
756                qb.setProjectionMap(SEARCHES_PROJECTION_MAP);
757                break;
758            }
759
760            case SYNCSTATE: {
761                return mSyncHelper.query(db, projection, selection, selectionArgs, sortOrder);
762            }
763
764            case SYNCSTATE_ID: {
765                selection = appendAccountToSelection(uri, selection);
766                String selectionWithId =
767                        (SyncStateContract.Columns._ID + "=" + ContentUris.parseId(uri) + " ")
768                        + (selection == null ? "" : " AND (" + selection + ")");
769                return mSyncHelper.query(db, projection, selectionWithId, selectionArgs, sortOrder);
770            }
771
772            case IMAGES: {
773                qb.setTables(TABLE_IMAGES);
774                qb.setProjectionMap(IMAGES_PROJECTION_MAP);
775                break;
776            }
777
778            case LEGACY_ID:
779            case COMBINED_ID: {
780                selection = DatabaseUtils.concatenateWhere(
781                        selection, Combined._ID + " = CAST(? AS INTEGER)");
782                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
783                        new String[] { Long.toString(ContentUris.parseId(uri)) });
784                // fall through
785            }
786            case LEGACY:
787            case COMBINED: {
788                qb = new SQLiteQueryBuilder();
789                String[] args = createCombinedQuery(uri, projection, qb);
790                if (selectionArgs == null) {
791                    selectionArgs = args;
792                } else {
793                    selectionArgs = DatabaseUtils.appendSelectionArgs(args, selectionArgs);
794                }
795                break;
796            }
797
798            case SETTINGS: {
799                qb.setTables(TABLE_SETTINGS);
800                qb.setProjectionMap(SETTINGS_PROJECTION_MAP);
801                break;
802            }
803
804            default: {
805                throw new UnsupportedOperationException("Unknown URL " + uri.toString());
806            }
807        }
808
809        Cursor cursor = qb.query(db, projection, selection, selectionArgs, null, null, sortOrder,
810                limit);
811        cursor.setNotificationUri(getContext().getContentResolver(), BrowserContract.AUTHORITY_URI);
812        return cursor;
813    }
814
815    private Cursor doSuggestQuery(String selection, String[] selectionArgs, String limit) {
816        if (selectionArgs[0] == null) {
817            return null;
818        } else {
819            String like = selectionArgs[0] + "%";
820            if (selectionArgs[0].startsWith("http")
821                    || selectionArgs[0].startsWith("file")) {
822                selectionArgs[0] = like;
823            } else {
824                selectionArgs = new String[5];
825                selectionArgs[0] = "http://" + like;
826                selectionArgs[1] = "http://www." + like;
827                selectionArgs[2] = "https://" + like;
828                selectionArgs[3] = "https://www." + like;
829                // To match against titles.
830                selectionArgs[4] = like;
831                selection = SUGGEST_SELECTION;
832            }
833        }
834        selection = DatabaseUtils.concatenateWhere(selection,
835                Bookmarks.IS_DELETED + "=0 AND " + Bookmarks.IS_FOLDER + "=0");
836
837        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
838        String accountType = prefs.getString(BrowserBookmarksPage.PREF_ACCOUNT_TYPE, null);
839        String accountName = prefs.getString(BrowserBookmarksPage.PREF_ACCOUNT_NAME, null);
840        if (!TextUtils.isEmpty(accountName) && !TextUtils.isEmpty(accountType)) {
841            selection = DatabaseUtils.concatenateWhere(selection,
842                    Bookmarks.ACCOUNT_TYPE + "=? AND " + Bookmarks.ACCOUNT_NAME + "=? ");
843            selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
844                    new String[] { accountType, accountName });
845        } else {
846            selection = DatabaseUtils.concatenateWhere(selection,
847                    Bookmarks.ACCOUNT_TYPE + " IS NULL AND " +
848                    Bookmarks.ACCOUNT_NAME + " IS NULL ");
849        }
850        Cursor c = mOpenHelper.getReadableDatabase().query(TABLE_BOOKMARKS,
851                SUGGEST_PROJECTION, selection, selectionArgs, null, null,
852                DEFAULT_BOOKMARKS_SORT_ORDER, null);
853
854        return new SuggestionsCursor(c);
855    }
856
857    private String[] createCombinedQuery(
858            Uri uri, String[] projection, SQLiteQueryBuilder qb) {
859        String[] args = null;
860        // Look for account info
861        String accountType = uri.getQueryParameter(Bookmarks.PARAM_ACCOUNT_TYPE);
862        String accountName = uri.getQueryParameter(Bookmarks.PARAM_ACCOUNT_NAME);
863        StringBuilder whereBuilder = new StringBuilder(128);
864        whereBuilder.append(Bookmarks.IS_DELETED);
865        whereBuilder.append(" = 0 AND ");
866        if (!TextUtils.isEmpty(accountName) && !TextUtils.isEmpty(accountType)) {
867            whereBuilder.append(Bookmarks.ACCOUNT_NAME);
868            whereBuilder.append("=? AND ");
869            whereBuilder.append(Bookmarks.ACCOUNT_TYPE);
870            whereBuilder.append("=?");
871            // We use this where twice
872            args = new String[] { accountName, accountType,
873                    accountName, accountType};
874        } else {
875            whereBuilder.append(Bookmarks.ACCOUNT_NAME);
876            whereBuilder.append(" IS NULL AND ");
877            whereBuilder.append(Bookmarks.ACCOUNT_TYPE);
878            whereBuilder.append(" IS NULL");
879        }
880        String where = whereBuilder.toString();
881        // Build the bookmark subquery for history union subquery
882        qb.setTables(TABLE_BOOKMARKS);
883        String subQuery = qb.buildQuery(null, where, null, null, null, null);
884        // Build the history union subquery
885        qb.setTables(String.format(FORMAT_COMBINED_JOIN_SUBQUERY_JOIN_IMAGES, subQuery));
886        qb.setProjectionMap(COMBINED_HISTORY_PROJECTION_MAP);
887        String historySubQuery = qb.buildQuery(null,
888                null, null, null, null, null);
889        // Build the bookmark union subquery
890        qb.setTables(TABLE_BOOKMARKS_JOIN_IMAGES);
891        qb.setProjectionMap(COMBINED_BOOKMARK_PROJECTION_MAP);
892        where += String.format(" AND %s NOT IN (SELECT %s FROM %s)",
893                Combined.URL, History.URL, TABLE_HISTORY);
894        String bookmarksSubQuery = qb.buildQuery(null, where,
895                null, null, null, null);
896        // Put it all together
897        String query = qb.buildUnionQuery(
898                new String[] {historySubQuery, bookmarksSubQuery},
899                null, null);
900        qb.setTables("(" + query + ")");
901        qb.setProjectionMap(null);
902        return args;
903    }
904
905    int deleteBookmarks(String selection, String[] selectionArgs,
906            boolean callerIsSyncAdapter) {
907        //TODO cascade deletes down from folders
908        final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
909        if (callerIsSyncAdapter) {
910            return db.delete(TABLE_BOOKMARKS, selection, selectionArgs);
911        }
912        ContentValues values = new ContentValues();
913        values.put(Bookmarks.DATE_MODIFIED, System.currentTimeMillis());
914        values.put(Bookmarks.IS_DELETED, 1);
915        return updateInTransaction(Bookmarks.CONTENT_URI, values,
916                selection, selectionArgs, callerIsSyncAdapter);
917    }
918
919    @Override
920    public int deleteInTransaction(Uri uri, String selection, String[] selectionArgs,
921            boolean callerIsSyncAdapter) {
922        final int match = URI_MATCHER.match(uri);
923        final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
924        switch (match) {
925            case BOOKMARKS_ID: {
926                selection = DatabaseUtils.concatenateWhere(selection,
927                        TABLE_BOOKMARKS + "._id=?");
928                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
929                        new String[] { Long.toString(ContentUris.parseId(uri)) });
930                // fall through
931            }
932            case BOOKMARKS: {
933                return deleteBookmarks(selection, selectionArgs, callerIsSyncAdapter);
934            }
935
936            case HISTORY_ID: {
937                selection = DatabaseUtils.concatenateWhere(selection, TABLE_HISTORY + "._id=?");
938                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
939                        new String[] { Long.toString(ContentUris.parseId(uri)) });
940                // fall through
941            }
942            case HISTORY: {
943                filterSearchClient(selectionArgs);
944                return db.delete(TABLE_HISTORY, selection, selectionArgs);
945            }
946
947            case SEARCHES_ID: {
948                selection = DatabaseUtils.concatenateWhere(selection, TABLE_SEARCHES + "._id=?");
949                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
950                        new String[] { Long.toString(ContentUris.parseId(uri)) });
951                // fall through
952            }
953            case SEARCHES: {
954                return db.delete(TABLE_SEARCHES, selection, selectionArgs);
955            }
956
957            case SYNCSTATE: {
958                return mSyncHelper.delete(db, selection, selectionArgs);
959            }
960            case SYNCSTATE_ID: {
961                String selectionWithId =
962                        (SyncStateContract.Columns._ID + "=" + ContentUris.parseId(uri) + " ")
963                        + (selection == null ? "" : " AND (" + selection + ")");
964                return mSyncHelper.delete(db, selectionWithId, selectionArgs);
965            }
966            case LEGACY_ID: {
967                selection = DatabaseUtils.concatenateWhere(
968                        selection, Combined._ID + " = CAST(? AS INTEGER)");
969                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
970                        new String[] { Long.toString(ContentUris.parseId(uri)) });
971                // fall through
972            }
973            case LEGACY: {
974                String[] projection = new String[] { Combined._ID,
975                        Combined.IS_BOOKMARK, Combined.URL };
976                SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
977                uri = BookmarkUtils.addAccountInfo(getContext(), uri.buildUpon())
978                        .build();
979                String[] args = createCombinedQuery(uri, projection, qb);
980                if (selectionArgs == null) {
981                    selectionArgs = args;
982                } else {
983                    selectionArgs = DatabaseUtils.appendSelectionArgs(
984                            args, selectionArgs);
985                }
986                Cursor c = qb.query(db, projection, selection, selectionArgs,
987                        null, null, null);
988                int deleted = 0;
989                while (c.moveToNext()) {
990                    long id = c.getLong(0);
991                    boolean isBookmark = c.getInt(1) != 0;
992                    String url = c.getString(2);
993                    if (isBookmark) {
994                        deleted += deleteBookmarks(Bookmarks._ID + "=?",
995                                new String[] { Long.toString(id) },
996                                callerIsSyncAdapter);
997                        db.delete(TABLE_HISTORY, History.URL + "=?",
998                                new String[] { url });
999                    } else {
1000                        deleted += db.delete(TABLE_HISTORY,
1001                                Bookmarks._ID + "=?",
1002                                new String[] { Long.toString(id) });
1003                    }
1004                }
1005                return deleted;
1006            }
1007        }
1008        throw new UnsupportedOperationException("Unknown update URI " + uri);
1009    }
1010
1011    long queryDefaultFolderId(String accountName, String accountType) {
1012        if (!TextUtils.isEmpty(accountName) && !TextUtils.isEmpty(accountType)) {
1013            final SQLiteDatabase db = mOpenHelper.getReadableDatabase();
1014            Cursor c = db.query(TABLE_BOOKMARKS, new String[] { Bookmarks._ID },
1015                    ChromeSyncColumns.SERVER_UNIQUE + " = ?" +
1016                    " AND account_type = ? AND account_name = ?",
1017                    new String[] { ChromeSyncColumns.FOLDER_NAME_BOOKMARKS_BAR,
1018                    accountType, accountName }, null, null, null);
1019            if (c.moveToFirst()) {
1020                return c.getLong(0);
1021            }
1022        }
1023        return FIXED_ID_ROOT;
1024    }
1025
1026    @Override
1027    public Uri insertInTransaction(Uri uri, ContentValues values, boolean callerIsSyncAdapter) {
1028        int match = URI_MATCHER.match(uri);
1029        final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
1030        long id = -1;
1031        if (match == LEGACY) {
1032            // Intercept and route to the correct table
1033            Integer bookmark = values.getAsInteger(BookmarkColumns.BOOKMARK);
1034            values.remove(BookmarkColumns.BOOKMARK);
1035            if (bookmark == null || bookmark == 0) {
1036                match = HISTORY;
1037            } else {
1038                match = BOOKMARKS;
1039                values.remove(BookmarkColumns.DATE);
1040                values.remove(BookmarkColumns.VISITS);
1041                values.remove(BookmarkColumns.USER_ENTERED);
1042                SharedPreferences prefs = PreferenceManager
1043                        .getDefaultSharedPreferences(getContext());
1044                String accountType = prefs.getString(
1045                        BrowserBookmarksPage.PREF_ACCOUNT_TYPE, null);
1046                String accountName = prefs.getString(
1047                        BrowserBookmarksPage.PREF_ACCOUNT_NAME, null);
1048                values.put(Bookmarks.ACCOUNT_TYPE, accountType);
1049                values.put(Bookmarks.ACCOUNT_NAME, accountName);
1050                values.put(Bookmarks.IS_FOLDER, 0);
1051            }
1052        }
1053        switch (match) {
1054            case BOOKMARKS: {
1055                // Mark rows dirty if they're not coming from a sync adapter
1056                if (!callerIsSyncAdapter) {
1057                    long now = System.currentTimeMillis();
1058                    values.put(Bookmarks.DATE_CREATED, now);
1059                    values.put(Bookmarks.DATE_MODIFIED, now);
1060                    values.put(Bookmarks.DIRTY, 1);
1061
1062                    // If no parent is set default to the "Bookmarks Bar" folder
1063                    if (!values.containsKey(Bookmarks.PARENT)) {
1064                        String accountType = values
1065                                .getAsString(Bookmarks.ACCOUNT_TYPE);
1066                        String accountName = values
1067                                .getAsString(Bookmarks.ACCOUNT_NAME);
1068                        values.put(Bookmarks.PARENT,
1069                                queryDefaultFolderId(accountName, accountType));
1070                    }
1071                }
1072
1073                // If no position is requested put the bookmark at the beginning of the list
1074                if (!values.containsKey(Bookmarks.POSITION)) {
1075                    values.put(Bookmarks.POSITION, Long.toString(Long.MIN_VALUE));
1076                }
1077
1078                // Extract out the image values so they can be inserted into the images table
1079                String url = values.getAsString(Bookmarks.URL);
1080                ContentValues imageValues = extractImageValues(values, url);
1081                Boolean isFolder = values.getAsBoolean(Bookmarks.IS_FOLDER);
1082                if ((isFolder == null || !isFolder)
1083                        && imageValues != null && !TextUtils.isEmpty(url)) {
1084                    int count = db.update(TABLE_IMAGES, imageValues, Images.URL + "=?",
1085                            new String[] { url });
1086                    if (count == 0) {
1087                        db.insertOrThrow(TABLE_IMAGES, Images.FAVICON, imageValues);
1088                    }
1089                }
1090
1091                id = db.insertOrThrow(TABLE_BOOKMARKS, Bookmarks.DIRTY, values);
1092                break;
1093            }
1094
1095            case HISTORY: {
1096                // If no created time is specified set it to now
1097                if (!values.containsKey(History.DATE_CREATED)) {
1098                    values.put(History.DATE_CREATED, System.currentTimeMillis());
1099                }
1100                String url = values.getAsString(History.URL);
1101                url = filterSearchClient(url);
1102                values.put(History.URL, url);
1103
1104                // Extract out the image values so they can be inserted into the images table
1105                ContentValues imageValues = extractImageValues(values,
1106                        values.getAsString(History.URL));
1107                if (imageValues != null) {
1108                    db.insertOrThrow(TABLE_IMAGES, Images.FAVICON, imageValues);
1109                }
1110
1111                id = db.insertOrThrow(TABLE_HISTORY, History.VISITS, values);
1112                break;
1113            }
1114
1115            case SEARCHES: {
1116                id = insertSearchesInTransaction(db, values);
1117                break;
1118            }
1119
1120            case SYNCSTATE: {
1121                id = mSyncHelper.insert(db, values);
1122                break;
1123            }
1124
1125            case SETTINGS: {
1126                id = 0;
1127                insertSettingsInTransaction(db, values);
1128                break;
1129            }
1130
1131            default: {
1132                throw new UnsupportedOperationException("Unknown insert URI " + uri);
1133            }
1134        }
1135
1136        if (id >= 0) {
1137            return ContentUris.withAppendedId(uri, id);
1138        } else {
1139            return null;
1140        }
1141    }
1142
1143    private void filterSearchClient(String[] selectionArgs) {
1144        if (selectionArgs != null) {
1145            for (int i = 0; i < selectionArgs.length; i++) {
1146                selectionArgs[i] = filterSearchClient(selectionArgs[i]);
1147            }
1148        }
1149    }
1150
1151    // Filters out the client=ms- param for search urls
1152    private String filterSearchClient(String url) {
1153        // remove "client" before updating it to the history so that it wont
1154        // show up in the auto-complete list.
1155        int index = url.indexOf("client=ms-");
1156        if (index > 0 && url.contains(".google.")) {
1157            int end = url.indexOf('&', index);
1158            if (end > 0) {
1159                url = url.substring(0, index)
1160                        .concat(url.substring(end + 1));
1161            } else {
1162                // the url.charAt(index-1) should be either '?' or '&'
1163                url = url.substring(0, index-1);
1164            }
1165        }
1166        return url;
1167    }
1168
1169    /**
1170     * Searches are unique, so perform an UPSERT manually since SQLite doesn't support them.
1171     */
1172    private long insertSearchesInTransaction(SQLiteDatabase db, ContentValues values) {
1173        String search = values.getAsString(Searches.SEARCH);
1174        if (TextUtils.isEmpty(search)) {
1175            throw new IllegalArgumentException("Must include the SEARCH field");
1176        }
1177        Cursor cursor = null;
1178        try {
1179            cursor = db.query(TABLE_SEARCHES, new String[] { Searches._ID },
1180                    Searches.SEARCH + "=?", new String[] { search }, null, null, null);
1181            if (cursor.moveToNext()) {
1182                long id = cursor.getLong(0);
1183                db.update(TABLE_SEARCHES, values, Searches._ID + "=?",
1184                        new String[] { Long.toString(id) });
1185                return id;
1186            } else {
1187                return db.insertOrThrow(TABLE_SEARCHES, Searches.SEARCH, values);
1188            }
1189        } finally {
1190            if (cursor != null) cursor.close();
1191        }
1192    }
1193
1194    /**
1195     * Settings are unique, so perform an UPSERT manually since SQLite doesn't support them.
1196     */
1197    private long insertSettingsInTransaction(SQLiteDatabase db, ContentValues values) {
1198        String key = values.getAsString(Settings.KEY);
1199        if (TextUtils.isEmpty(key)) {
1200            throw new IllegalArgumentException("Must include the KEY field");
1201        }
1202        String[] keyArray = new String[] { key };
1203        Cursor cursor = null;
1204        try {
1205            cursor = db.query(TABLE_SETTINGS, new String[] { Settings.KEY },
1206                    Settings.KEY + "=?", keyArray, null, null, null);
1207            if (cursor.moveToNext()) {
1208                long id = cursor.getLong(0);
1209                db.update(TABLE_SETTINGS, values, Settings.KEY + "=?", keyArray);
1210                return id;
1211            } else {
1212                return db.insertOrThrow(TABLE_SETTINGS, Settings.VALUE, values);
1213            }
1214        } finally {
1215            if (cursor != null) cursor.close();
1216        }
1217    }
1218
1219    @Override
1220    public int updateInTransaction(Uri uri, ContentValues values, String selection,
1221            String[] selectionArgs, boolean callerIsSyncAdapter) {
1222        int match = URI_MATCHER.match(uri);
1223        final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
1224        if (match == LEGACY || match == LEGACY_ID) {
1225            // Intercept and route to the correct table
1226            Integer bookmark = values.getAsInteger(BookmarkColumns.BOOKMARK);
1227            values.remove(BookmarkColumns.BOOKMARK);
1228            if (bookmark == null || bookmark == 0) {
1229                if (match == LEGACY) {
1230                    match = HISTORY;
1231                } else {
1232                    match = HISTORY_ID;
1233                }
1234            } else {
1235                if (match == LEGACY) {
1236                    match = BOOKMARKS;
1237                } else {
1238                    match = BOOKMARKS_ID;
1239                }
1240                values.remove(BookmarkColumns.DATE);
1241                values.remove(BookmarkColumns.VISITS);
1242                values.remove(BookmarkColumns.USER_ENTERED);
1243            }
1244        }
1245        switch (match) {
1246            case BOOKMARKS_ID: {
1247                selection = DatabaseUtils.concatenateWhere(selection,
1248                        TABLE_BOOKMARKS + "._id=?");
1249                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
1250                        new String[] { Long.toString(ContentUris.parseId(uri)) });
1251                // fall through
1252            }
1253            case BOOKMARKS: {
1254                return updateBookmarksInTransaction(values, selection, selectionArgs,
1255                        callerIsSyncAdapter);
1256            }
1257
1258            case HISTORY_ID: {
1259                selection = DatabaseUtils.concatenateWhere(selection, TABLE_HISTORY + "._id=?");
1260                selectionArgs = DatabaseUtils.appendSelectionArgs(selectionArgs,
1261                        new String[] { Long.toString(ContentUris.parseId(uri)) });
1262                // fall through
1263            }
1264            case HISTORY: {
1265                return updateHistoryInTransaction(values, selection, selectionArgs);
1266            }
1267
1268            case SYNCSTATE: {
1269                return mSyncHelper.update(mDb, values,
1270                        appendAccountToSelection(uri, selection), selectionArgs);
1271            }
1272
1273            case SYNCSTATE_ID: {
1274                selection = appendAccountToSelection(uri, selection);
1275                String selectionWithId =
1276                        (SyncStateContract.Columns._ID + "=" + ContentUris.parseId(uri) + " ")
1277                        + (selection == null ? "" : " AND (" + selection + ")");
1278                return mSyncHelper.update(mDb, values,
1279                        selectionWithId, selectionArgs);
1280            }
1281
1282            case IMAGES: {
1283                String url = values.getAsString(Images.URL);
1284                if (TextUtils.isEmpty(url)) {
1285                    throw new IllegalArgumentException("Images.URL is required");
1286                }
1287                int count = db.update(TABLE_IMAGES, values, Images.URL + "=?",
1288                        new String[] { url });
1289                if (count == 0) {
1290                    db.insertOrThrow(TABLE_IMAGES, Images.FAVICON, values);
1291                    count = 1;
1292                }
1293                return count;
1294            }
1295        }
1296        throw new UnsupportedOperationException("Unknown update URI " + uri);
1297    }
1298
1299    /**
1300     * Does a query to find the matching bookmarks and updates each one with the provided values.
1301     */
1302    int updateBookmarksInTransaction(ContentValues values, String selection,
1303            String[] selectionArgs, boolean callerIsSyncAdapter) {
1304        int count = 0;
1305        final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
1306        Cursor cursor = query(Bookmarks.CONTENT_URI,
1307                new String[] { Bookmarks._ID, Bookmarks.VERSION, Bookmarks.URL },
1308                selection, selectionArgs, null);
1309        try {
1310            String[] args = new String[1];
1311            // Mark the bookmark dirty if the caller isn't a sync adapter
1312            if (!callerIsSyncAdapter) {
1313                values.put(Bookmarks.DATE_MODIFIED, System.currentTimeMillis());
1314                values.put(Bookmarks.DIRTY, 1);
1315            }
1316
1317            boolean updatingUrl = values.containsKey(Bookmarks.URL);
1318            String url = null;
1319            if (updatingUrl) {
1320                url = values.getAsString(Bookmarks.URL);
1321            }
1322            ContentValues imageValues = extractImageValues(values, url);
1323
1324            while (cursor.moveToNext()) {
1325                args[0] = cursor.getString(0);
1326                if (!callerIsSyncAdapter) {
1327                    // increase the local version for non-sync changes
1328                    values.put(Bookmarks.VERSION, cursor.getLong(1) + 1);
1329                }
1330                count += db.update(TABLE_BOOKMARKS, values, "_id=?", args);
1331
1332                // Update the images over in their table
1333                if (imageValues != null) {
1334                    if (!updatingUrl) {
1335                        url = cursor.getString(2);
1336                        imageValues.put(Images.URL, url);
1337                    }
1338
1339                    if (!TextUtils.isEmpty(url)) {
1340                        args[0] = url;
1341                        if (db.update(TABLE_IMAGES, imageValues, Images.URL + "=?", args) == 0) {
1342                            db.insert(TABLE_IMAGES, Images.FAVICON, imageValues);
1343                        }
1344                    }
1345                }
1346            }
1347        } finally {
1348            if (cursor != null) cursor.close();
1349        }
1350        return count;
1351    }
1352
1353    /**
1354     * Does a query to find the matching bookmarks and updates each one with the provided values.
1355     */
1356    int updateHistoryInTransaction(ContentValues values, String selection, String[] selectionArgs) {
1357        int count = 0;
1358        final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
1359        filterSearchClient(selectionArgs);
1360        Cursor cursor = query(History.CONTENT_URI,
1361                new String[] { History._ID, History.URL },
1362                selection, selectionArgs, null);
1363        try {
1364            String[] args = new String[1];
1365
1366            boolean updatingUrl = values.containsKey(History.URL);
1367            String url = null;
1368            if (updatingUrl) {
1369                url = filterSearchClient(values.getAsString(History.URL));
1370                values.put(History.URL, url);
1371            }
1372            ContentValues imageValues = extractImageValues(values, url);
1373
1374            while (cursor.moveToNext()) {
1375                args[0] = cursor.getString(0);
1376                count += db.update(TABLE_HISTORY, values, "_id=?", args);
1377
1378                // Update the images over in their table
1379                if (imageValues != null) {
1380                    if (!updatingUrl) {
1381                        url = cursor.getString(1);
1382                        imageValues.put(Images.URL, url);
1383                    }
1384                    args[0] = url;
1385                    if (db.update(TABLE_IMAGES, imageValues, Images.URL + "=?", args) == 0) {
1386                        db.insert(TABLE_IMAGES, Images.FAVICON, imageValues);
1387                    }
1388                }
1389            }
1390        } finally {
1391            if (cursor != null) cursor.close();
1392        }
1393        return count;
1394    }
1395
1396    String appendAccountToSelection(Uri uri, String selection) {
1397        final String accountName = uri.getQueryParameter(RawContacts.ACCOUNT_NAME);
1398        final String accountType = uri.getQueryParameter(RawContacts.ACCOUNT_TYPE);
1399
1400        final boolean partialUri = TextUtils.isEmpty(accountName) ^ TextUtils.isEmpty(accountType);
1401        if (partialUri) {
1402            // Throw when either account is incomplete
1403            throw new IllegalArgumentException(
1404                    "Must specify both or neither of ACCOUNT_NAME and ACCOUNT_TYPE for " + uri);
1405        }
1406
1407        // Accounts are valid by only checking one parameter, since we've
1408        // already ruled out partial accounts.
1409        final boolean validAccount = !TextUtils.isEmpty(accountName);
1410        if (validAccount) {
1411            StringBuilder selectionSb = new StringBuilder(RawContacts.ACCOUNT_NAME + "="
1412                    + DatabaseUtils.sqlEscapeString(accountName) + " AND "
1413                    + RawContacts.ACCOUNT_TYPE + "="
1414                    + DatabaseUtils.sqlEscapeString(accountType));
1415            if (!TextUtils.isEmpty(selection)) {
1416                selectionSb.append(" AND (");
1417                selectionSb.append(selection);
1418                selectionSb.append(')');
1419            }
1420            return selectionSb.toString();
1421        } else {
1422            return selection;
1423        }
1424    }
1425
1426    ContentValues extractImageValues(ContentValues values, String url) {
1427        ContentValues imageValues = null;
1428        // favicon
1429        if (values.containsKey(Bookmarks.FAVICON)) {
1430            imageValues = new ContentValues();
1431            imageValues.put(Images.FAVICON, values.getAsByteArray(Bookmarks.FAVICON));
1432            values.remove(Bookmarks.FAVICON);
1433        }
1434
1435        // thumbnail
1436        if (values.containsKey(Bookmarks.THUMBNAIL)) {
1437            if (imageValues == null) {
1438                imageValues = new ContentValues();
1439            }
1440            imageValues.put(Images.THUMBNAIL, values.getAsByteArray(Bookmarks.THUMBNAIL));
1441            values.remove(Bookmarks.THUMBNAIL);
1442        }
1443
1444        // touch icon
1445        if (values.containsKey(Bookmarks.TOUCH_ICON)) {
1446            if (imageValues == null) {
1447                imageValues = new ContentValues();
1448            }
1449            imageValues.put(Images.TOUCH_ICON, values.getAsByteArray(Bookmarks.TOUCH_ICON));
1450            values.remove(Bookmarks.TOUCH_ICON);
1451        }
1452
1453        if (imageValues != null) {
1454            imageValues.put(Images.URL,  url);
1455        }
1456        return imageValues;
1457    }
1458
1459    static class SuggestionsCursor extends AbstractCursor {
1460        private static final int URL_INDEX = 1;
1461        private static final int TITLE_INDEX = 2;
1462        // shared suggestion array index, make sure to match COLUMNS
1463        private static final int SUGGEST_COLUMN_INTENT_ACTION_ID = 1;
1464        private static final int SUGGEST_COLUMN_INTENT_DATA_ID = 2;
1465        private static final int SUGGEST_COLUMN_TEXT_1_ID = 3;
1466        private static final int SUGGEST_COLUMN_TEXT_2_TEXT_ID = 4;
1467        private static final int SUGGEST_COLUMN_TEXT_2_URL_ID = 5;
1468        private static final int SUGGEST_COLUMN_ICON_1_ID = 6;
1469
1470        // shared suggestion columns
1471        private static final String[] COLUMNS = new String[] {
1472                BaseColumns._ID,
1473                SearchManager.SUGGEST_COLUMN_INTENT_ACTION,
1474                SearchManager.SUGGEST_COLUMN_INTENT_DATA,
1475                SearchManager.SUGGEST_COLUMN_TEXT_1,
1476                SearchManager.SUGGEST_COLUMN_TEXT_2,
1477                SearchManager.SUGGEST_COLUMN_TEXT_2_URL,
1478                SearchManager.SUGGEST_COLUMN_ICON_1};
1479
1480        private Cursor mSource;
1481
1482        public SuggestionsCursor(Cursor cursor) {
1483            mSource = cursor;
1484        }
1485
1486        @Override
1487        public String[] getColumnNames() {
1488            return COLUMNS;
1489        }
1490
1491        @Override
1492        public String getString(int columnIndex) {
1493            switch (columnIndex) {
1494            case 0:
1495                return mSource.getString(columnIndex);
1496            case SUGGEST_COLUMN_INTENT_ACTION_ID:
1497                return Intent.ACTION_VIEW;
1498            case SUGGEST_COLUMN_INTENT_DATA_ID:
1499            case SUGGEST_COLUMN_TEXT_2_TEXT_ID:
1500            case SUGGEST_COLUMN_TEXT_2_URL_ID:
1501                return mSource.getString(URL_INDEX);
1502            case SUGGEST_COLUMN_TEXT_1_ID:
1503                return mSource.getString(TITLE_INDEX);
1504            case SUGGEST_COLUMN_ICON_1_ID:
1505                return Integer.toString(R.drawable.ic_favorite_off_normal);
1506            }
1507            return null;
1508        }
1509
1510        @Override
1511        public int getCount() {
1512            return mSource.getCount();
1513        }
1514
1515        @Override
1516        public double getDouble(int column) {
1517            throw new UnsupportedOperationException();
1518        }
1519
1520        @Override
1521        public float getFloat(int column) {
1522            throw new UnsupportedOperationException();
1523        }
1524
1525        @Override
1526        public int getInt(int column) {
1527            throw new UnsupportedOperationException();
1528        }
1529
1530        @Override
1531        public long getLong(int column) {
1532            throw new UnsupportedOperationException();
1533        }
1534
1535        @Override
1536        public short getShort(int column) {
1537            throw new UnsupportedOperationException();
1538        }
1539
1540        @Override
1541        public boolean isNull(int column) {
1542            return getString(column) == null;
1543        }
1544
1545        @Override
1546        public boolean onMove(int oldPosition, int newPosition) {
1547            return mSource.moveToPosition(newPosition);
1548        }
1549    }
1550}
1551