| /* |
| Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved. |
| Available via Academic Free License >= 2.1 OR the modified BSD license. |
| see: http://dojotoolkit.org/license for details |
| */ |
| |
| |
| if(!dojo._hasResource["dojox.off._common"]){ |
| dojo._hasResource["dojox.off._common"]=true; |
| dojo.provide("dojox.off._common"); |
| dojo.require("dojo.gears"); |
| dojo.require("dojox.storage"); |
| dojo.require("dojox.sql"); |
| dojo.require("dojox.off.sync"); |
| dojo.mixin(dojox.off,{isOnline:false,NET_CHECK:5,STORAGE_NAMESPACE:"_dot",enabled:true,availabilityURL:dojo.moduleUrl("dojox","off/network_check.txt"),goingOnline:false,coreOpFailed:false,doNetChecking:true,hasOfflineCache:null,browserRestart:false,_STORAGE_APP_NAME:window.location.href.replace(/[^0-9A-Za-z_]/g,"_"),_initializeCalled:false,_storageLoaded:false,_pageLoaded:false,onLoad:function(){ |
| },onNetwork:function(_1){ |
| },initialize:function(){ |
| this._initializeCalled=true; |
| if(this._storageLoaded&&this._pageLoaded){ |
| this._onLoad(); |
| } |
| },goOffline:function(){ |
| if((dojox.off.sync.isSyncing)||(this.goingOnline)){ |
| return; |
| } |
| this.goingOnline=false; |
| this.isOnline=false; |
| },goOnline:function(_2){ |
| if(dojox.off.sync.isSyncing||dojox.off.goingOnline){ |
| return; |
| } |
| this.goingOnline=true; |
| this.isOnline=false; |
| this._isSiteAvailable(_2); |
| },onFrameworkEvent:function(_3,_4){ |
| if(_3=="save"){ |
| if(_4.isCoreSave&&(_4.status==dojox.storage.FAILED)){ |
| dojox.off.coreOpFailed=true; |
| dojox.off.enabled=false; |
| dojox.off.onFrameworkEvent("coreOperationFailed"); |
| } |
| }else{ |
| if(_3=="coreOperationFailed"){ |
| dojox.off.coreOpFailed=true; |
| dojox.off.enabled=false; |
| } |
| } |
| },_checkOfflineCacheAvailable:function(_5){ |
| this.hasOfflineCache=dojo.gears.available; |
| _5(); |
| },_onLoad:function(){ |
| dojox.off.files.cache(dojo.moduleUrl("dojo","dojo.js")); |
| this._cacheDojoResources(); |
| dojox.off.files.cache(dojox.storage.manager.getResourceList()); |
| dojox.off.files._slurp(); |
| this._checkOfflineCacheAvailable(dojo.hitch(this,"_onOfflineCacheChecked")); |
| },_onOfflineCacheChecked:function(){ |
| if(this.hasOfflineCache&&this.enabled){ |
| this._load(dojo.hitch(this,"_finishStartingUp")); |
| }else{ |
| if(this.hasOfflineCache&&!this.enabled){ |
| this._finishStartingUp(); |
| }else{ |
| this._keepCheckingUntilInstalled(); |
| } |
| } |
| },_keepCheckingUntilInstalled:function(){ |
| this._finishStartingUp(); |
| },_finishStartingUp:function(){ |
| if(!this.hasOfflineCache){ |
| this.onLoad(); |
| }else{ |
| if(this.enabled){ |
| this._startNetworkThread(); |
| this.goOnline(dojo.hitch(this,function(){ |
| dojox.off.onLoad(); |
| })); |
| }else{ |
| if(this.coreOpFailed){ |
| this.onFrameworkEvent("coreOperationFailed"); |
| }else{ |
| this.onLoad(); |
| } |
| } |
| } |
| },_onPageLoad:function(){ |
| this._pageLoaded=true; |
| if(this._storageLoaded&&this._initializeCalled){ |
| this._onLoad(); |
| } |
| },_onStorageLoad:function(){ |
| this._storageLoaded=true; |
| if(!dojox.storage.manager.isAvailable()&&dojox.storage.manager.isInitialized()){ |
| this.coreOpFailed=true; |
| this.enabled=false; |
| } |
| if(this._pageLoaded&&this._initializeCalled){ |
| this._onLoad(); |
| } |
| },_isSiteAvailable:function(_6){ |
| dojo.xhrGet({url:this._getAvailabilityURL(),handleAs:"text",timeout:this.NET_CHECK*1000,error:dojo.hitch(this,function(_7){ |
| this.goingOnline=false; |
| this.isOnline=false; |
| if(_6){ |
| _6(false); |
| } |
| }),load:dojo.hitch(this,function(_8){ |
| this.goingOnline=false; |
| this.isOnline=true; |
| if(_6){ |
| _6(true); |
| }else{ |
| this.onNetwork("online"); |
| } |
| })}); |
| },_startNetworkThread:function(){ |
| if(!this.doNetChecking){ |
| return; |
| } |
| window.setInterval(dojo.hitch(this,function(){ |
| var d=dojo.xhrGet({url:this._getAvailabilityURL(),handleAs:"text",timeout:this.NET_CHECK*1000,error:dojo.hitch(this,function(_a){ |
| if(this.isOnline){ |
| this.isOnline=false; |
| try{ |
| if(typeof d.ioArgs.xhr.abort=="function"){ |
| d.ioArgs.xhr.abort(); |
| } |
| } |
| catch(e){ |
| } |
| dojox.off.sync.isSyncing=false; |
| this.onNetwork("offline"); |
| } |
| }),load:dojo.hitch(this,function(_b){ |
| if(!this.isOnline){ |
| this.isOnline=true; |
| this.onNetwork("online"); |
| } |
| })}); |
| }),this.NET_CHECK*1000); |
| },_getAvailabilityURL:function(){ |
| var _c=this.availabilityURL.toString(); |
| if(_c.indexOf("?")==-1){ |
| _c+="?"; |
| }else{ |
| _c+="&"; |
| } |
| _c+="browserbust="+new Date().getTime(); |
| return _c; |
| },_onOfflineCacheInstalled:function(){ |
| this.onFrameworkEvent("offlineCacheInstalled"); |
| },_cacheDojoResources:function(){ |
| var _d=true; |
| dojo.forEach(dojo.query("script"),function(i){ |
| var _f=i.getAttribute("src"); |
| if(!_f){ |
| return; |
| } |
| if(_f.indexOf("_base/_loader/bootstrap.js")!=-1){ |
| _d=false; |
| } |
| }); |
| if(!_d){ |
| dojox.off.files.cache(dojo.moduleUrl("dojo","_base.js").uri); |
| dojox.off.files.cache(dojo.moduleUrl("dojo","_base/_loader/loader.js").uri); |
| dojox.off.files.cache(dojo.moduleUrl("dojo","_base/_loader/bootstrap.js").uri); |
| dojox.off.files.cache(dojo.moduleUrl("dojo","_base/_loader/hostenv_browser.js").uri); |
| } |
| for(var i=0;i<dojo._loadedUrls.length;i++){ |
| dojox.off.files.cache(dojo._loadedUrls[i]); |
| } |
| },_save:function(){ |
| },_load:function(_11){ |
| dojox.off.sync._load(_11); |
| }}); |
| dojox.storage.manager.addOnLoad(dojo.hitch(dojox.off,"_onStorageLoad")); |
| dojo.addOnLoad(dojox.off,"_onPageLoad"); |
| } |
