root / trunk / web / dojo / dojox / storage / manager.js
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/*
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Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojox.storage.manager"]){ |
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dojo._hasResource["dojox.storage.manager"]=true; |
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dojo.provide("dojox.storage.manager");
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dojox.storage.manager=new function(){ |
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this.currentProvider=null; |
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this.available=false; |
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this.providers=[];
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this._initialized=false; |
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this._onLoadListeners=[];
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this.initialize=function(){ |
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this.autodetect();
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}; |
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this.register=function(_1,_2){ |
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this.providers.push(_2);
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this.providers[_1]=_2;
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}; |
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this.setProvider=function(_3){ |
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}; |
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this.autodetect=function(){ |
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if(this._initialized){ |
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return;
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} |
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var _4=dojo.config["forceStorageProvider"]||false; |
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var _5;
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for(var i=0;i<this.providers.length;i++){ |
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_5=this.providers[i];
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if(_4&&_4==_5.declaredClass){
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_5.isAvailable(); |
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break;
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}else{
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if(!_4&&_5.isAvailable()){
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break;
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} |
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} |
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} |
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if(!_5){
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this._initialized=true; |
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this.available=false; |
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this.currentProvider=null; |
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console.warn("No storage provider found for this platform");
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this.loaded();
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return;
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} |
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this.currentProvider=_5;
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dojo.mixin(dojox.storage,this.currentProvider);
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dojox.storage.initialize(); |
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this._initialized=true; |
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this.available=true; |
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}; |
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this.isAvailable=function(){ |
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return this.available; |
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}; |
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this.addOnLoad=function(_6){ |
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this._onLoadListeners.push(_6);
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if(this.isInitialized()){ |
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this._fireLoaded();
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} |
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}; |
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this.removeOnLoad=function(_7){ |
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for(var i=0;i<this._onLoadListeners.length;i++){ |
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if(_7==this._onLoadListeners[i]){ |
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this._onLoadListeners=this._onLoadListeners.splice(i,1); |
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break;
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} |
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} |
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}; |
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this.isInitialized=function(){ |
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if(this.currentProvider!=null&&this.currentProvider.declaredClass=="dojox.storage.FlashStorageProvider"&&dojox.flash.ready==false){ |
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return false; |
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}else{
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return this._initialized; |
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} |
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}; |
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this.supportsProvider=function(_8){ |
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try{
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var _9=eval("new "+_8+"()"); |
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var _a=_9.isAvailable();
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if(!_a){
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return false; |
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} |
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return _a;
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} |
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catch(e){
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return false; |
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} |
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}; |
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this.getProvider=function(){ |
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return this.currentProvider; |
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}; |
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this.loaded=function(){ |
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this._fireLoaded();
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}; |
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this._fireLoaded=function(){ |
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dojo.forEach(this._onLoadListeners,function(i){ |
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try{
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i(); |
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} |
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catch(e){
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} |
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}); |
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}; |
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this.getResourceList=function(){ |
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var _b=[];
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dojo.forEach(dojox.storage.manager.providers,function(_c){
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_b=_b.concat(_c.getResourceList()); |
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}); |
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return _b;
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}; |
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}; |
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} |