/*
 * jStore Google Gears Storage Engine
 * Copyright (c) 2009 Eric Garside (http://eric.garside.name)
 */
(function(b){var a=b.jStore.Availability.gears=function(){return !!(window.google&&window.google.gears)};this.jStoreGears=StorageEngine.extend({init:function(d,c){this._super(d,c);this.type="Google Gears";this.includes.push("http://code.google.com/apis/gears/gears_init.js");this.autoload=true},connect:function(){var c=this.db=google.gears.factory.create("beta.database");c.open("jstore-"+this.project);c.execute("CREATE TABLE IF NOT EXISTS jstore (k TEXT UNIQUE NOT NULL PRIMARY KEY, v TEXT NOT NULL)");this.updateCache()},updateCache:function(){var c=this.db.execute("SELECT k,v FROM jstore");while(c.isValidRow()){this.data[c.field(0)]=b.jStore.safeResurrect(c.field(1));c.next()}c.close();this.delegate.trigger("engine-ready")},isAvailable:a,set:function(d,e){this.interruptAccess();var c=this.db;c.execute("BEGIN");c.execute("INSERT OR REPLACE INTO jstore(k, v) VALUES (?, ?)",[d,b.jStore.safeStore(e)]);c.execute("COMMIT");return this._super(d,e)},rem:function(d){this.interruptAccess();var c=this.db;c.execute("BEGIN");c.execute("DELETE FROM jstore WHERE k = ?",[d]);c.execute("COMMIT");return this._super(d)}});b.jStore.Engines.gears=jStoreGears;b.jStore.EngineOrder[3]="gears"})(jQuery);
