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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package org.mozilla.gecko.db;
import org.mozilla.gecko.db.BrowserContract.Bookmarks;
import org.mozilla.gecko.db.BrowserContract.History;
import android.database.sqlite.SQLiteDatabase;
import android.net.Uri;
// Holds metadata info about urls. Supports some helper functions for getting back a HashMap of key value data.
public class URLMetadataTable extends BaseTable {
private static final String LOGTAG = "GeckoURLMetadataTable";
private static final String TABLE = "metadata"; // Name of the table in the db
private static final int TABLE_ID_NUMBER = BrowserProvider.METADATA;
// Uri for querying this table
public static final Uri CONTENT_URI = Uri.withAppendedPath(BrowserContract.AUTHORITY_URI, "metadata");
// Columns in the table
public static final String ID_COLUMN = "id";
public static final String URL_COLUMN = "url";
public static final String TILE_IMAGE_URL_COLUMN = "tileImage";
public static final String TILE_COLOR_COLUMN = "tileColor";
public static final String TOUCH_ICON_COLUMN = "touchIcon";
URLMetadataTable() { }
@Override
protected String getTable() {
return TABLE;
}
@Override
public void onCreate(SQLiteDatabase db) {
String create = "CREATE TABLE " + TABLE + " (" +
ID_COLUMN + " INTEGER PRIMARY KEY, " +
URL_COLUMN + " TEXT NON NULL UNIQUE, " +
TILE_IMAGE_URL_COLUMN + " STRING, " +
TILE_COLOR_COLUMN + " STRING, " +
TOUCH_ICON_COLUMN + " STRING);";
db.execSQL(create);
}
private void upgradeDatabaseFrom26To27(SQLiteDatabase db) {
db.execSQL("ALTER TABLE " + TABLE +
" ADD COLUMN " + TOUCH_ICON_COLUMN + " STRING");
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
// This table was added in v21 of the db. Force its creation if we're coming from an earlier version
if (newVersion >= 21 && oldVersion < 21) {
onCreate(db);
return;
}
// Removed the redundant metadata_url_idx index in version 26
if (newVersion >= 26 && oldVersion < 26) {
db.execSQL("DROP INDEX IF EXISTS metadata_url_idx");
}
if (newVersion >= 27 && oldVersion < 27) {
upgradeDatabaseFrom26To27(db);
}
}
@Override
public Table.ContentProviderInfo[] getContentProviderInfo() {
return new Table.ContentProviderInfo[] {
new Table.ContentProviderInfo(TABLE_ID_NUMBER, TABLE)
};
}
public int deleteUnused(final SQLiteDatabase db) {
final String selection = URL_COLUMN + " NOT IN " +
"(SELECT " + History.URL +
" FROM " + History.TABLE_NAME +
" WHERE " + History.IS_DELETED + " = 0" +
" UNION " +
" SELECT " + Bookmarks.URL +
" FROM " + Bookmarks.TABLE_NAME +
" WHERE " + Bookmarks.IS_DELETED + " = 0 " +
" AND " + Bookmarks.URL + " IS NOT NULL)";
return db.delete(getTable(), selection, null);
}
}
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