mobile/android/base/db/TabsProvider.java

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/base/db/TabsProvider.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,391 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
     1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +package org.mozilla.gecko.db;
     1.9 +
    1.10 +import java.util.Collections;
    1.11 +import java.util.HashMap;
    1.12 +import java.util.Map;
    1.13 +
    1.14 +import org.mozilla.gecko.db.BrowserContract.Clients;
    1.15 +import org.mozilla.gecko.db.BrowserContract.Tabs;
    1.16 +
    1.17 +import android.content.ContentUris;
    1.18 +import android.content.ContentValues;
    1.19 +import android.content.Context;
    1.20 +import android.content.UriMatcher;
    1.21 +import android.database.Cursor;
    1.22 +import android.database.sqlite.SQLiteDatabase;
    1.23 +import android.database.sqlite.SQLiteOpenHelper;
    1.24 +import android.database.sqlite.SQLiteQueryBuilder;
    1.25 +import android.net.Uri;
    1.26 +import android.text.TextUtils;
    1.27 +
    1.28 +public class TabsProvider extends PerProfileDatabaseProvider<TabsProvider.TabsDatabaseHelper> {
    1.29 +    static final String DATABASE_NAME = "tabs.db";
    1.30 +
    1.31 +    static final int DATABASE_VERSION = 2;
    1.32 +
    1.33 +    static final String TABLE_TABS = "tabs";
    1.34 +    static final String TABLE_CLIENTS = "clients";
    1.35 +
    1.36 +    static final int TABS = 600;
    1.37 +    static final int TABS_ID = 601;
    1.38 +    static final int CLIENTS = 602;
    1.39 +    static final int CLIENTS_ID = 603;
    1.40 +
    1.41 +    static final String DEFAULT_TABS_SORT_ORDER = Clients.LAST_MODIFIED + " DESC, " + Tabs.LAST_USED + " DESC";
    1.42 +    static final String DEFAULT_CLIENTS_SORT_ORDER = Clients.LAST_MODIFIED + " DESC";
    1.43 +
    1.44 +    static final String INDEX_TABS_GUID = "tabs_guid_index";
    1.45 +    static final String INDEX_TABS_POSITION = "tabs_position_index";
    1.46 +    static final String INDEX_CLIENTS_GUID = "clients_guid_index";
    1.47 +
    1.48 +    static final UriMatcher URI_MATCHER = new UriMatcher(UriMatcher.NO_MATCH);
    1.49 +
    1.50 +    static final Map<String, String> TABS_PROJECTION_MAP;
    1.51 +    static final Map<String, String> CLIENTS_PROJECTION_MAP;
    1.52 +
    1.53 +    static {
    1.54 +        URI_MATCHER.addURI(BrowserContract.TABS_AUTHORITY, "tabs", TABS);
    1.55 +        URI_MATCHER.addURI(BrowserContract.TABS_AUTHORITY, "tabs/#", TABS_ID);
    1.56 +        URI_MATCHER.addURI(BrowserContract.TABS_AUTHORITY, "clients", CLIENTS);
    1.57 +        URI_MATCHER.addURI(BrowserContract.TABS_AUTHORITY, "clients/#", CLIENTS_ID);
    1.58 +
    1.59 +        HashMap<String, String> map;
    1.60 +
    1.61 +        map = new HashMap<String, String>();
    1.62 +        map.put(Tabs._ID, Tabs._ID);
    1.63 +        map.put(Tabs.TITLE, Tabs.TITLE);
    1.64 +        map.put(Tabs.URL, Tabs.URL);
    1.65 +        map.put(Tabs.HISTORY, Tabs.HISTORY);
    1.66 +        map.put(Tabs.FAVICON, Tabs.FAVICON);
    1.67 +        map.put(Tabs.LAST_USED, Tabs.LAST_USED);
    1.68 +        map.put(Tabs.POSITION, Tabs.POSITION);
    1.69 +        map.put(Clients.GUID, Clients.GUID);
    1.70 +        map.put(Clients.NAME, Clients.NAME);
    1.71 +        map.put(Clients.LAST_MODIFIED, Clients.LAST_MODIFIED);
    1.72 +        TABS_PROJECTION_MAP = Collections.unmodifiableMap(map);
    1.73 +
    1.74 +        map = new HashMap<String, String>();
    1.75 +        map.put(Clients.GUID, Clients.GUID);
    1.76 +        map.put(Clients.NAME, Clients.NAME);
    1.77 +        map.put(Clients.LAST_MODIFIED, Clients.LAST_MODIFIED);
    1.78 +        CLIENTS_PROJECTION_MAP = Collections.unmodifiableMap(map);
    1.79 +    }
    1.80 +
    1.81 +    private static final String selectColumn(String table, String column) {
    1.82 +        return table + "." + column + " = ?";
    1.83 +    }
    1.84 +
    1.85 +    final class TabsDatabaseHelper extends SQLiteOpenHelper {
    1.86 +        public TabsDatabaseHelper(Context context, String databasePath) {
    1.87 +            super(context, databasePath, null, DATABASE_VERSION);
    1.88 +        }
    1.89 +
    1.90 +        @Override
    1.91 +        public void onCreate(SQLiteDatabase db) {
    1.92 +            debug("Creating tabs.db: " + db.getPath());
    1.93 +            debug("Creating " + TABLE_TABS + " table");
    1.94 +
    1.95 +            // Table for each tab on any client.
    1.96 +            db.execSQL("CREATE TABLE " + TABLE_TABS + "(" +
    1.97 +                       Tabs._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," +
    1.98 +                       Tabs.CLIENT_GUID + " TEXT," +
    1.99 +                       Tabs.TITLE + " TEXT," +
   1.100 +                       Tabs.URL + " TEXT," +
   1.101 +                       Tabs.HISTORY + " TEXT," +
   1.102 +                       Tabs.FAVICON + " TEXT," +
   1.103 +                       Tabs.LAST_USED + " INTEGER," +
   1.104 +                       Tabs.POSITION + " INTEGER" +
   1.105 +                       ");");
   1.106 +
   1.107 +            // Indices on CLIENT_GUID and POSITION.
   1.108 +            db.execSQL("CREATE INDEX " + INDEX_TABS_GUID +
   1.109 +                       " ON " + TABLE_TABS + "(" + Tabs.CLIENT_GUID + ")");
   1.110 +            db.execSQL("CREATE INDEX " + INDEX_TABS_POSITION +
   1.111 +                       " ON " + TABLE_TABS + "(" + Tabs.POSITION + ")");
   1.112 +
   1.113 +            debug("Creating " + TABLE_CLIENTS + " table");
   1.114 +
   1.115 +            // Table for client's name-guid mapping.
   1.116 +            db.execSQL("CREATE TABLE " + TABLE_CLIENTS + "(" +
   1.117 +                       Clients.GUID + " TEXT PRIMARY KEY," +
   1.118 +                       Clients.NAME + " TEXT," +
   1.119 +                       Clients.LAST_MODIFIED + " INTEGER" +
   1.120 +                       ");");
   1.121 +
   1.122 +            // Index on GUID.
   1.123 +            db.execSQL("CREATE INDEX " + INDEX_CLIENTS_GUID +
   1.124 +                       " ON " + TABLE_CLIENTS + "(" + Clients.GUID + ")");
   1.125 +
   1.126 +            createLocalClient(db);
   1.127 +        }
   1.128 +
   1.129 +        // Insert a client row for our local Fennec client.
   1.130 +        private void createLocalClient(SQLiteDatabase db) {
   1.131 +            debug("Inserting local Fennec client into " + TABLE_CLIENTS + " table");
   1.132 +
   1.133 +            ContentValues values = new ContentValues();
   1.134 +            values.put(BrowserContract.Clients.LAST_MODIFIED, System.currentTimeMillis());
   1.135 +            db.insertOrThrow(TABLE_CLIENTS, null, values);
   1.136 +        }
   1.137 +
   1.138 +        @Override
   1.139 +        public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
   1.140 +            debug("Upgrading tabs.db: " + db.getPath() + " from " +
   1.141 +                  oldVersion + " to " + newVersion);
   1.142 +
   1.143 +            // We have to do incremental upgrades until we reach the current
   1.144 +            // database schema version.
   1.145 +            for (int v = oldVersion + 1; v <= newVersion; v++) {
   1.146 +                switch(v) {
   1.147 +                    case 2:
   1.148 +                        createLocalClient(db);
   1.149 +                        break;
   1.150 +                 }
   1.151 +             }
   1.152 +        }
   1.153 +
   1.154 +        @Override
   1.155 +        public void onOpen(SQLiteDatabase db) {
   1.156 +            debug("Opening tabs.db: " + db.getPath());
   1.157 +            db.rawQuery("PRAGMA synchronous=OFF", null).close();
   1.158 +
   1.159 +            if (shouldUseTransactions()) {
   1.160 +                db.enableWriteAheadLogging();
   1.161 +                db.setLockingEnabled(false);
   1.162 +                return;
   1.163 +            }
   1.164 +
   1.165 +            // If we're not using transactions (in particular, prior to
   1.166 +            // Honeycomb), then we can do some lesser optimizations.
   1.167 +            db.rawQuery("PRAGMA journal_mode=PERSIST", null).close();
   1.168 +        }
   1.169 +    }
   1.170 +
   1.171 +    @Override
   1.172 +    public String getType(Uri uri) {
   1.173 +        final int match = URI_MATCHER.match(uri);
   1.174 +
   1.175 +        trace("Getting URI type: " + uri);
   1.176 +
   1.177 +        switch (match) {
   1.178 +            case TABS:
   1.179 +                trace("URI is TABS: " + uri);
   1.180 +                return Tabs.CONTENT_TYPE;
   1.181 +
   1.182 +            case TABS_ID:
   1.183 +                trace("URI is TABS_ID: " + uri);
   1.184 +                return Tabs.CONTENT_ITEM_TYPE;
   1.185 +
   1.186 +            case CLIENTS:
   1.187 +                trace("URI is CLIENTS: " + uri);
   1.188 +                return Clients.CONTENT_TYPE;
   1.189 +
   1.190 +            case CLIENTS_ID:
   1.191 +                trace("URI is CLIENTS_ID: " + uri);
   1.192 +                return Clients.CONTENT_ITEM_TYPE;
   1.193 +        }
   1.194 +
   1.195 +        debug("URI has unrecognized type: " + uri);
   1.196 +
   1.197 +        return null;
   1.198 +    }
   1.199 +
   1.200 +    @SuppressWarnings("fallthrough")
   1.201 +    public int deleteInTransaction(Uri uri, String selection, String[] selectionArgs) {
   1.202 +        trace("Calling delete in transaction on URI: " + uri);
   1.203 +
   1.204 +        final int match = URI_MATCHER.match(uri);
   1.205 +        int deleted = 0;
   1.206 +
   1.207 +        switch (match) {
   1.208 +            case CLIENTS_ID:
   1.209 +                trace("Delete on CLIENTS_ID: " + uri);
   1.210 +                selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_CLIENTS, Clients.ROWID));
   1.211 +                selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
   1.212 +                        new String[] { Long.toString(ContentUris.parseId(uri)) });
   1.213 +                // fall through
   1.214 +            case CLIENTS:
   1.215 +                trace("Delete on CLIENTS: " + uri);
   1.216 +                // Delete from both TABLE_TABS and TABLE_CLIENTS.
   1.217 +                deleteValues(uri, selection, selectionArgs, TABLE_TABS);
   1.218 +                deleted = deleteValues(uri, selection, selectionArgs, TABLE_CLIENTS);
   1.219 +                break;
   1.220 +
   1.221 +            case TABS_ID:
   1.222 +                trace("Delete on TABS_ID: " + uri);
   1.223 +                selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_TABS, Tabs._ID));
   1.224 +                selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
   1.225 +                        new String[] { Long.toString(ContentUris.parseId(uri)) });
   1.226 +                // fall through
   1.227 +            case TABS:
   1.228 +                trace("Deleting on TABS: " + uri);
   1.229 +                deleted = deleteValues(uri, selection, selectionArgs, TABLE_TABS);
   1.230 +                break;
   1.231 +
   1.232 +            default:
   1.233 +                throw new UnsupportedOperationException("Unknown delete URI " + uri);
   1.234 +        }
   1.235 +
   1.236 +        debug("Deleted " + deleted + " rows for URI: " + uri);
   1.237 +
   1.238 +        return deleted;
   1.239 +    }
   1.240 +
   1.241 +    public Uri insertInTransaction(Uri uri, ContentValues values) {
   1.242 +        trace("Calling insert in transaction on URI: " + uri);
   1.243 +
   1.244 +        final SQLiteDatabase db = getWritableDatabase(uri);
   1.245 +        int match = URI_MATCHER.match(uri);
   1.246 +        long id = -1;
   1.247 +
   1.248 +        switch (match) {
   1.249 +            case CLIENTS:
   1.250 +                String guid = values.getAsString(Clients.GUID);
   1.251 +                debug("Inserting client in database with GUID: " + guid);
   1.252 +                id = db.insertOrThrow(TABLE_CLIENTS, Clients.GUID, values);
   1.253 +                break;
   1.254 +
   1.255 +            case TABS:
   1.256 +                String url = values.getAsString(Tabs.URL);
   1.257 +                debug("Inserting tab in database with URL: " + url);
   1.258 +                id = db.insertOrThrow(TABLE_TABS, Tabs.TITLE, values);
   1.259 +                break;
   1.260 +
   1.261 +            default:
   1.262 +                throw new UnsupportedOperationException("Unknown insert URI " + uri);
   1.263 +        }
   1.264 +
   1.265 +        debug("Inserted ID in database: " + id);
   1.266 +
   1.267 +        if (id >= 0)
   1.268 +            return ContentUris.withAppendedId(uri, id);
   1.269 +
   1.270 +        return null;
   1.271 +    }
   1.272 +
   1.273 +    public int updateInTransaction(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
   1.274 +        trace("Calling update in transaction on URI: " + uri);
   1.275 +
   1.276 +        int match = URI_MATCHER.match(uri);
   1.277 +        int updated = 0;
   1.278 +
   1.279 +        switch (match) {
   1.280 +            case CLIENTS_ID:
   1.281 +                trace("Update on CLIENTS_ID: " + uri);
   1.282 +                selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_CLIENTS, Clients.ROWID));
   1.283 +                selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
   1.284 +                        new String[] { Long.toString(ContentUris.parseId(uri)) });
   1.285 +                // fall through
   1.286 +            case CLIENTS:
   1.287 +                trace("Update on CLIENTS: " + uri);
   1.288 +                updated = updateValues(uri, values, selection, selectionArgs, TABLE_CLIENTS);
   1.289 +                break;
   1.290 +
   1.291 +            case TABS_ID:
   1.292 +                trace("Update on TABS_ID: " + uri);
   1.293 +                selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_TABS, Tabs._ID));
   1.294 +                selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
   1.295 +                        new String[] { Long.toString(ContentUris.parseId(uri)) });
   1.296 +                // fall through
   1.297 +            case TABS:
   1.298 +                trace("Update on TABS: " + uri);
   1.299 +                updated = updateValues(uri, values, selection, selectionArgs, TABLE_TABS);
   1.300 +                break;
   1.301 +
   1.302 +            default:
   1.303 +                throw new UnsupportedOperationException("Unknown update URI " + uri);
   1.304 +        }
   1.305 +
   1.306 +        debug("Updated " + updated + " rows for URI: " + uri);
   1.307 +
   1.308 +        return updated;
   1.309 +    }
   1.310 +
   1.311 +    @Override
   1.312 +    @SuppressWarnings("fallthrough")
   1.313 +    public Cursor query(Uri uri, String[] projection, String selection,
   1.314 +            String[] selectionArgs, String sortOrder) {
   1.315 +        SQLiteDatabase db = getReadableDatabase(uri);
   1.316 +        final int match = URI_MATCHER.match(uri);
   1.317 +
   1.318 +        SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
   1.319 +        String limit = uri.getQueryParameter(BrowserContract.PARAM_LIMIT);
   1.320 +
   1.321 +        switch (match) {
   1.322 +            case TABS_ID:
   1.323 +                trace("Query is on TABS_ID: " + uri);
   1.324 +                selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_TABS, Tabs._ID));
   1.325 +                selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
   1.326 +                        new String[] { Long.toString(ContentUris.parseId(uri)) });
   1.327 +                // fall through
   1.328 +            case TABS:
   1.329 +                trace("Query is on TABS: " + uri);
   1.330 +                if (TextUtils.isEmpty(sortOrder)) {
   1.331 +                    sortOrder = DEFAULT_TABS_SORT_ORDER;
   1.332 +                } else {
   1.333 +                    debug("Using sort order " + sortOrder + ".");
   1.334 +                }
   1.335 +
   1.336 +                qb.setProjectionMap(TABS_PROJECTION_MAP);
   1.337 +                qb.setTables(TABLE_TABS + " LEFT OUTER JOIN " + TABLE_CLIENTS + " ON (" + TABLE_TABS + "." + Tabs.CLIENT_GUID + " = " + TABLE_CLIENTS + "." + Clients.GUID + ")");
   1.338 +                break;
   1.339 +
   1.340 +            case CLIENTS_ID:
   1.341 +                trace("Query is on CLIENTS_ID: " + uri);
   1.342 +                selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_CLIENTS, Clients.ROWID));
   1.343 +                selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
   1.344 +                        new String[] { Long.toString(ContentUris.parseId(uri)) });
   1.345 +                // fall through
   1.346 +            case CLIENTS:
   1.347 +                trace("Query is on CLIENTS: " + uri);
   1.348 +                if (TextUtils.isEmpty(sortOrder)) {
   1.349 +                    sortOrder = DEFAULT_CLIENTS_SORT_ORDER;
   1.350 +                } else {
   1.351 +                    debug("Using sort order " + sortOrder + ".");
   1.352 +                }
   1.353 +
   1.354 +                qb.setProjectionMap(CLIENTS_PROJECTION_MAP);
   1.355 +                qb.setTables(TABLE_CLIENTS);
   1.356 +                break;
   1.357 +
   1.358 +            default:
   1.359 +                throw new UnsupportedOperationException("Unknown query URI " + uri);
   1.360 +        }
   1.361 +
   1.362 +        trace("Running built query.");
   1.363 +        final Cursor cursor = qb.query(db, projection, selection, selectionArgs, null, null, sortOrder, limit);
   1.364 +        cursor.setNotificationUri(getContext().getContentResolver(), BrowserContract.TABS_AUTHORITY_URI);
   1.365 +
   1.366 +        return cursor;
   1.367 +    }
   1.368 +
   1.369 +    int updateValues(Uri uri, ContentValues values, String selection, String[] selectionArgs, String table) {
   1.370 +        trace("Updating tabs on URI: " + uri);
   1.371 +
   1.372 +        final SQLiteDatabase db = getWritableDatabase(uri);
   1.373 +        beginWrite(db);
   1.374 +        return db.update(table, values, selection, selectionArgs);
   1.375 +    }
   1.376 +
   1.377 +    int deleteValues(Uri uri, String selection, String[] selectionArgs, String table) {
   1.378 +        debug("Deleting tabs for URI: " + uri);
   1.379 +
   1.380 +        final SQLiteDatabase db = getWritableDatabase(uri);
   1.381 +        beginWrite(db);
   1.382 +        return db.delete(table, selection, selectionArgs);
   1.383 +    }
   1.384 +
   1.385 +    @Override
   1.386 +    protected TabsDatabaseHelper createDatabaseHelper(Context context, String databasePath) {
   1.387 +        return new TabsDatabaseHelper(context, databasePath);
   1.388 +    }
   1.389 +
   1.390 +    @Override
   1.391 +    protected String getDatabaseName() {
   1.392 +        return DATABASE_NAME;
   1.393 +    }
   1.394 +}

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