зеркало из https://github.com/mozilla/gecko-dev.git
411 строки
16 KiB
Java
411 строки
16 KiB
Java
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.gecko.db;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Map;
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import org.mozilla.gecko.db.BrowserContract.Clients;
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import org.mozilla.gecko.db.BrowserContract.Tabs;
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import android.content.ContentUris;
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import android.content.ContentValues;
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import android.content.Context;
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import android.content.UriMatcher;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import android.database.sqlite.SQLiteOpenHelper;
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import android.database.sqlite.SQLiteQueryBuilder;
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import android.net.Uri;
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import android.os.Build;
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import android.text.TextUtils;
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public class TabsProvider extends PerProfileDatabaseProvider<TabsProvider.TabsDatabaseHelper> {
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static final String DATABASE_NAME = "tabs.db";
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static final int DATABASE_VERSION = 3;
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static final String TABLE_TABS = "tabs";
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static final String TABLE_CLIENTS = "clients";
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static final int TABS = 600;
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static final int TABS_ID = 601;
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static final int CLIENTS = 602;
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static final int CLIENTS_ID = 603;
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static final String DEFAULT_TABS_SORT_ORDER = Clients.LAST_MODIFIED + " DESC, " + Tabs.LAST_USED + " DESC";
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static final String DEFAULT_CLIENTS_SORT_ORDER = Clients.LAST_MODIFIED + " DESC";
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static final String INDEX_TABS_GUID = "tabs_guid_index";
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static final String INDEX_TABS_POSITION = "tabs_position_index";
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static final String INDEX_CLIENTS_GUID = "clients_guid_index";
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static final UriMatcher URI_MATCHER = new UriMatcher(UriMatcher.NO_MATCH);
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static final Map<String, String> TABS_PROJECTION_MAP;
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static final Map<String, String> CLIENTS_PROJECTION_MAP;
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static {
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URI_MATCHER.addURI(BrowserContract.TABS_AUTHORITY, "tabs", TABS);
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URI_MATCHER.addURI(BrowserContract.TABS_AUTHORITY, "tabs/#", TABS_ID);
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URI_MATCHER.addURI(BrowserContract.TABS_AUTHORITY, "clients", CLIENTS);
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URI_MATCHER.addURI(BrowserContract.TABS_AUTHORITY, "clients/#", CLIENTS_ID);
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HashMap<String, String> map;
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map = new HashMap<String, String>();
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map.put(Tabs._ID, Tabs._ID);
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map.put(Tabs.TITLE, Tabs.TITLE);
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map.put(Tabs.URL, Tabs.URL);
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map.put(Tabs.HISTORY, Tabs.HISTORY);
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map.put(Tabs.FAVICON, Tabs.FAVICON);
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map.put(Tabs.LAST_USED, Tabs.LAST_USED);
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map.put(Tabs.POSITION, Tabs.POSITION);
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map.put(Clients.GUID, Clients.GUID);
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map.put(Clients.NAME, Clients.NAME);
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map.put(Clients.LAST_MODIFIED, Clients.LAST_MODIFIED);
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map.put(Clients.DEVICE_TYPE, Clients.DEVICE_TYPE);
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TABS_PROJECTION_MAP = Collections.unmodifiableMap(map);
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map = new HashMap<String, String>();
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map.put(Clients.GUID, Clients.GUID);
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map.put(Clients.NAME, Clients.NAME);
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map.put(Clients.LAST_MODIFIED, Clients.LAST_MODIFIED);
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map.put(Clients.DEVICE_TYPE, Clients.DEVICE_TYPE);
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CLIENTS_PROJECTION_MAP = Collections.unmodifiableMap(map);
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}
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private static final String selectColumn(String table, String column) {
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return table + "." + column + " = ?";
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}
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final class TabsDatabaseHelper extends SQLiteOpenHelper {
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public TabsDatabaseHelper(Context context, String databasePath) {
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super(context, databasePath, null, DATABASE_VERSION);
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}
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@Override
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public void onCreate(SQLiteDatabase db) {
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debug("Creating tabs.db: " + db.getPath());
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debug("Creating " + TABLE_TABS + " table");
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// Table for each tab on any client.
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db.execSQL("CREATE TABLE " + TABLE_TABS + "(" +
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Tabs._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," +
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Tabs.CLIENT_GUID + " TEXT," +
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Tabs.TITLE + " TEXT," +
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Tabs.URL + " TEXT," +
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Tabs.HISTORY + " TEXT," +
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Tabs.FAVICON + " TEXT," +
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Tabs.LAST_USED + " INTEGER," +
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Tabs.POSITION + " INTEGER" +
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");");
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// Indices on CLIENT_GUID and POSITION.
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db.execSQL("CREATE INDEX " + INDEX_TABS_GUID +
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" ON " + TABLE_TABS + "(" + Tabs.CLIENT_GUID + ")");
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db.execSQL("CREATE INDEX " + INDEX_TABS_POSITION +
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" ON " + TABLE_TABS + "(" + Tabs.POSITION + ")");
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debug("Creating " + TABLE_CLIENTS + " table");
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// Table for client's name-guid mapping.
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db.execSQL("CREATE TABLE " + TABLE_CLIENTS + "(" +
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Clients.GUID + " TEXT PRIMARY KEY," +
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Clients.NAME + " TEXT," +
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Clients.LAST_MODIFIED + " INTEGER," +
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Clients.DEVICE_TYPE + " TEXT" +
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");");
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// Index on GUID.
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db.execSQL("CREATE INDEX " + INDEX_CLIENTS_GUID +
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" ON " + TABLE_CLIENTS + "(" + Clients.GUID + ")");
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createLocalClient(db);
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}
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// Insert a client row for our local Fennec client.
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private void createLocalClient(SQLiteDatabase db) {
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debug("Inserting local Fennec client into " + TABLE_CLIENTS + " table");
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ContentValues values = new ContentValues();
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values.put(BrowserContract.Clients.LAST_MODIFIED, System.currentTimeMillis());
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db.insertOrThrow(TABLE_CLIENTS, null, values);
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}
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protected void upgradeDatabaseFrom2to3(SQLiteDatabase db) {
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debug("Setting remote client device types to 'mobile' in " + TABLE_CLIENTS + " table");
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// Add type to client, defaulting to mobile. This is correct for our
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// local client; all remote clients will be updated by Sync.
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db.execSQL("ALTER TABLE " + TABLE_CLIENTS + " ADD COLUMN " + BrowserContract.Clients.DEVICE_TYPE + " TEXT DEFAULT 'mobile'");
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}
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@Override
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public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
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debug("Upgrading tabs.db: " + db.getPath() + " from " +
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oldVersion + " to " + newVersion);
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// We have to do incremental upgrades until we reach the current
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// database schema version.
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for (int v = oldVersion + 1; v <= newVersion; v++) {
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switch(v) {
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case 2:
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createLocalClient(db);
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break;
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case 3:
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upgradeDatabaseFrom2to3(db);
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break;
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}
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}
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}
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@Override
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public void onOpen(SQLiteDatabase db) {
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debug("Opening tabs.db: " + db.getPath());
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db.rawQuery("PRAGMA synchronous=OFF", null).close();
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if (shouldUseTransactions()) {
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// Modern Android allows WAL to be enabled through a mode flag.
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if (Build.VERSION.SDK_INT < 16) {
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db.enableWriteAheadLogging();
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}
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db.setLockingEnabled(false);
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return;
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}
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// If we're not using transactions (in particular, prior to
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// Honeycomb), then we can do some lesser optimizations.
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db.rawQuery("PRAGMA journal_mode=PERSIST", null).close();
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}
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}
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@Override
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public String getType(Uri uri) {
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final int match = URI_MATCHER.match(uri);
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trace("Getting URI type: " + uri);
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switch (match) {
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case TABS:
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trace("URI is TABS: " + uri);
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return Tabs.CONTENT_TYPE;
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case TABS_ID:
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trace("URI is TABS_ID: " + uri);
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return Tabs.CONTENT_ITEM_TYPE;
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case CLIENTS:
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trace("URI is CLIENTS: " + uri);
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return Clients.CONTENT_TYPE;
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case CLIENTS_ID:
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trace("URI is CLIENTS_ID: " + uri);
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return Clients.CONTENT_ITEM_TYPE;
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}
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debug("URI has unrecognized type: " + uri);
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return null;
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}
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@SuppressWarnings("fallthrough")
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public int deleteInTransaction(Uri uri, String selection, String[] selectionArgs) {
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trace("Calling delete in transaction on URI: " + uri);
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final int match = URI_MATCHER.match(uri);
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int deleted = 0;
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switch (match) {
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case CLIENTS_ID:
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trace("Delete on CLIENTS_ID: " + uri);
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selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_CLIENTS, Clients.ROWID));
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selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
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new String[] { Long.toString(ContentUris.parseId(uri)) });
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// fall through
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case CLIENTS:
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trace("Delete on CLIENTS: " + uri);
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// Delete from both TABLE_TABS and TABLE_CLIENTS.
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deleteValues(uri, selection, selectionArgs, TABLE_TABS);
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deleted = deleteValues(uri, selection, selectionArgs, TABLE_CLIENTS);
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break;
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case TABS_ID:
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trace("Delete on TABS_ID: " + uri);
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selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_TABS, Tabs._ID));
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selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
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new String[] { Long.toString(ContentUris.parseId(uri)) });
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// fall through
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case TABS:
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trace("Deleting on TABS: " + uri);
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deleted = deleteValues(uri, selection, selectionArgs, TABLE_TABS);
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break;
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default:
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throw new UnsupportedOperationException("Unknown delete URI " + uri);
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}
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debug("Deleted " + deleted + " rows for URI: " + uri);
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return deleted;
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}
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public Uri insertInTransaction(Uri uri, ContentValues values) {
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trace("Calling insert in transaction on URI: " + uri);
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final SQLiteDatabase db = getWritableDatabase(uri);
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int match = URI_MATCHER.match(uri);
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long id = -1;
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switch (match) {
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case CLIENTS:
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String guid = values.getAsString(Clients.GUID);
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debug("Inserting client in database with GUID: " + guid);
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id = db.insertOrThrow(TABLE_CLIENTS, Clients.GUID, values);
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break;
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case TABS:
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String url = values.getAsString(Tabs.URL);
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debug("Inserting tab in database with URL: " + url);
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id = db.insertOrThrow(TABLE_TABS, Tabs.TITLE, values);
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break;
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default:
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throw new UnsupportedOperationException("Unknown insert URI " + uri);
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}
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debug("Inserted ID in database: " + id);
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if (id >= 0)
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return ContentUris.withAppendedId(uri, id);
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return null;
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}
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public int updateInTransaction(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
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trace("Calling update in transaction on URI: " + uri);
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int match = URI_MATCHER.match(uri);
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int updated = 0;
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switch (match) {
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case CLIENTS_ID:
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trace("Update on CLIENTS_ID: " + uri);
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selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_CLIENTS, Clients.ROWID));
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selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
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new String[] { Long.toString(ContentUris.parseId(uri)) });
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// fall through
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case CLIENTS:
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trace("Update on CLIENTS: " + uri);
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updated = updateValues(uri, values, selection, selectionArgs, TABLE_CLIENTS);
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break;
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case TABS_ID:
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trace("Update on TABS_ID: " + uri);
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selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_TABS, Tabs._ID));
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selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
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new String[] { Long.toString(ContentUris.parseId(uri)) });
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// fall through
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case TABS:
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trace("Update on TABS: " + uri);
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updated = updateValues(uri, values, selection, selectionArgs, TABLE_TABS);
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break;
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default:
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throw new UnsupportedOperationException("Unknown update URI " + uri);
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}
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debug("Updated " + updated + " rows for URI: " + uri);
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return updated;
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}
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@Override
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@SuppressWarnings("fallthrough")
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public Cursor query(Uri uri, String[] projection, String selection,
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String[] selectionArgs, String sortOrder) {
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SQLiteDatabase db = getReadableDatabase(uri);
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final int match = URI_MATCHER.match(uri);
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SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
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String limit = uri.getQueryParameter(BrowserContract.PARAM_LIMIT);
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switch (match) {
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case TABS_ID:
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trace("Query is on TABS_ID: " + uri);
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selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_TABS, Tabs._ID));
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selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
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new String[] { Long.toString(ContentUris.parseId(uri)) });
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// fall through
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case TABS:
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trace("Query is on TABS: " + uri);
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if (TextUtils.isEmpty(sortOrder)) {
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sortOrder = DEFAULT_TABS_SORT_ORDER;
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} else {
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debug("Using sort order " + sortOrder + ".");
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}
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qb.setProjectionMap(TABS_PROJECTION_MAP);
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qb.setTables(TABLE_TABS + " LEFT OUTER JOIN " + TABLE_CLIENTS + " ON (" + TABLE_TABS + "." + Tabs.CLIENT_GUID + " = " + TABLE_CLIENTS + "." + Clients.GUID + ")");
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break;
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case CLIENTS_ID:
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trace("Query is on CLIENTS_ID: " + uri);
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selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_CLIENTS, Clients.ROWID));
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selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
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new String[] { Long.toString(ContentUris.parseId(uri)) });
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// fall through
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case CLIENTS:
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trace("Query is on CLIENTS: " + uri);
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if (TextUtils.isEmpty(sortOrder)) {
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sortOrder = DEFAULT_CLIENTS_SORT_ORDER;
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} else {
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debug("Using sort order " + sortOrder + ".");
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}
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qb.setProjectionMap(CLIENTS_PROJECTION_MAP);
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qb.setTables(TABLE_CLIENTS);
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break;
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default:
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throw new UnsupportedOperationException("Unknown query URI " + uri);
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}
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trace("Running built query.");
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final Cursor cursor = qb.query(db, projection, selection, selectionArgs, null, null, sortOrder, limit);
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cursor.setNotificationUri(getContext().getContentResolver(), BrowserContract.TABS_AUTHORITY_URI);
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return cursor;
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}
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int updateValues(Uri uri, ContentValues values, String selection, String[] selectionArgs, String table) {
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trace("Updating tabs on URI: " + uri);
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final SQLiteDatabase db = getWritableDatabase(uri);
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beginWrite(db);
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return db.update(table, values, selection, selectionArgs);
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}
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int deleteValues(Uri uri, String selection, String[] selectionArgs, String table) {
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debug("Deleting tabs for URI: " + uri);
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final SQLiteDatabase db = getWritableDatabase(uri);
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beginWrite(db);
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return db.delete(table, selection, selectionArgs);
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}
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@Override
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protected TabsDatabaseHelper createDatabaseHelper(Context context, String databasePath) {
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return new TabsDatabaseHelper(context, databasePath);
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}
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@Override
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protected String getDatabaseName() {
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return DATABASE_NAME;
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}
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}
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