offline.js.uncompressed.js

这是一个ajax的例子大家好好的看看就是一个鱼眼的效果

		// summary:
		//		Registers the existence of a new storage provider; used by
		//		subclasses to inform the manager of their existence. The
		//		storage manager will select storage providers based on 
		//		their ordering, so the order in which you call this method
		//		matters. 
		// name:
		//		The full class name of this provider, such as
		//		"dojox.storage.FlashStorageProvider".
		// instance:
		//		An instance of this provider, which we will use to call
		//		isAvailable() on. 
		
		// keep list of providers as a list so that we can know what order
		// storage providers are preferred; also, store the providers hashed
		// by name in case someone wants to get a provider that uses
		// a particular storage backend
		this.providers.push(instance);
		this.providers[name] = instance;
	};
	
	this.setProvider = function(storageClass){
		// summary:
		//		Instructs the storageManager to use the given storage class for
		//		all storage requests.
		// description:
		//		Example-
		//			dojox.storage.setProvider(
		//				dojox.storage.IEStorageProvider)
	
	};
	
	this.autodetect = function(){
		// summary:
		//		Autodetects the best possible persistent storage provider
		//		available on this platform. 
		
		//console.debug("dojox.storage.manager.autodetect");
		
		if(this._initialized){ // already finished
			return;
		}

		// a flag to force the storage manager to use a particular 
		// storage provider type, such as 
		// djConfig = {forceStorageProvider: "dojox.storage.WhatWGStorageProvider"};
		var forceProvider = dojo.config["forceStorageProvider"] || false;

		// go through each provider, seeing if it can be used
		var providerToUse;
		//FIXME: use dojo.some
		for(var i = 0; i < this.providers.length; i++){
			providerToUse = this.providers[i];
			if(forceProvider && forceProvider == providerToUse.declaredClass){
				// still call isAvailable for this provider, since this helps some
				// providers internally figure out if they are available
				// FIXME: This should be refactored since it is non-intuitive
				// that isAvailable() would initialize some state
				providerToUse.isAvailable();
				break;
			}else if(!forceProvider && providerToUse.isAvailable()){
				break;
			}
		}
		
		if(!providerToUse){ // no provider available
			this._initialized = true;
			this.available = false;
			this.currentProvider = null;
			console.warn("No storage provider found for this platform");
			this.loaded();
			return;
		}
			
		// create this provider and mix in it's properties
		// so that developers can do dojox.storage.put rather
		// than dojox.storage.currentProvider.put, for example
		this.currentProvider = providerToUse;
		dojo.mixin(dojox.storage, this.currentProvider);
		
		// have the provider initialize itself
		dojox.storage.initialize();
		
		this._initialized = true;
		this.available = true;
	};
	
	this.isAvailable = function(){ /*Boolean*/
		// summary: Returns whether any storage options are available.
		return this.available;
	};
	
	this.addOnLoad = function(func){ /* void */
		// summary:
		//		Adds an onload listener to know when Dojo Offline can be used.
		// description:
		//		Adds a listener to know when Dojo Offline can be used. This
		//		ensures that the Dojo Offline framework is loaded and that the
		//		local dojox.storage system is ready to be used. This method is
		//		useful if you don't want to have a dependency on Dojo Events
		//		when using dojox.storage.
		// func: Function
		//		A function to call when Dojo Offline is ready to go
		this._onLoadListeners.push(func);
		
		if(this.isInitialized()){
			this._fireLoaded();
		}
	};
	
	this.removeOnLoad = function(func){ /* void */
		// summary: Removes the given onLoad listener
		for(var i = 0; i < this._onLoadListeners.length; i++){
			if(func == this._onLoadListeners[i]){
				this._onLoadListeners = this._onLoadListeners.splice(i, 1);
				break;
			}
		}
	};
	
	this.isInitialized = function(){ /*Boolean*/
	 	// summary:
		//		Returns whether the storage system is initialized and ready to
		//		be used. 

		// FIXME: This should REALLY not be in here, but it fixes a tricky
		// Flash timing bug.
		// Confirm that this is still needed with the newly refactored Dojo
		// Flash. Used to be for Internet Explorer. -- Brad Neuberg
		if(this.currentProvider != null
			&& this.currentProvider.declaredClass == "dojox.storage.FlashStorageProvider" 
			&& dojox.flash.ready == false){
			return false;
		}else{
			return this._initialized;
		}
	};

	this.supportsProvider = function(/*string*/ storageClass){ /* Boolean */
		// summary: Determines if this platform supports the given storage provider.
		// description:
		//		Example-
		//			dojox.storage.manager.supportsProvider(
		//				"dojox.storage.InternetExplorerStorageProvider");

		// construct this class dynamically
		try{
			// dynamically call the given providers class level isAvailable()
			// method
			var provider = eval("new " + storageClass + "()");
			var results = provider.isAvailable();
			if(!results){ return false; }
			return results;
		}catch(e){
			return false;
		}
	};

	this.getProvider = function(){ /* Object */
		// summary: Gets the current provider
		return this.currentProvider;
	};
	
	this.loaded = function(){
		// summary:
		//		The storage provider should call this method when it is loaded
		//		and ready to be used. Clients who will use the provider will
		//		connect to this method to know when they can use the storage
		//		system. You can either use dojo.connect to connect to this
		//		function, or can use dojox.storage.manager.addOnLoad() to add
		//		a listener that does not depend on the dojo.event package.
		// description:
		//		Example 1-
		//			if(dojox.storage.manager.isInitialized() == false){ 
		//				dojo.connect(dojox.storage.manager, "loaded", TestStorage, "initialize");
		//			}else{
		//				dojo.connect(dojo, "loaded", TestStorage, "initialize");
		//			}
		//		Example 2-
		//			dojox.storage.manager.addOnLoad(someFunction);


		// FIXME: we should just provide a Deferred for this. That way you
		// don't care when this happens or has happened. Deferreds are in Base
		this._fireLoaded();
	};
	
	this._fireLoaded = function(){
		//console.debug("dojox.storage.manager._fireLoaded");
		
		dojo.forEach(this._onLoadListeners, function(i){ 
			try{ 
				i(); 
			}catch(e){ console.debug(e); } 
		});
	};
	
	this.getResourceList = function(){
		// summary:
		//		Returns a list of whatever resources are necessary for storage
		//		providers to work. 
		// description:
		//		This will return all files needed by all storage providers for
		//		this particular environment type. For example, if we are in the
		//		browser environment, then this will return the hidden SWF files
		//		needed by the FlashStorageProvider, even if we don't need them
		//		for the particular browser we are working within. This is meant
		//		to faciliate Dojo Offline, which must retrieve all resources we
		//		need offline into the offline cache -- we retrieve everything
		//		needed, in case another browser that requires different storage
		//		mechanisms hits the local offline cache. For example, if we
		//		were to sync against Dojo Offline on Firefox 2, then we would
		//		not grab the FlashStorageProvider resources needed for Safari.
		var results = [];
		dojo.forEach(dojox.storage.manager.providers, function(currentProvider){
			results = results.concat(currentProvider.getResourceList());
		});
		
		return results;
	}
};

}

if(!dojo._hasResource["dojox._sql._crypto"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox._sql._crypto"] = true;
// Taken from http://www.movable-type.co.uk/scripts/aes.html by
// Chris Veness (CLA signed); adapted for Dojo and Google Gears Worker Pool
// by Brad Neuberg, [e-mail]

dojo.provide("dojox._sql._crypto");

dojo.mixin(dojox._sql._crypto,{
	// _POOL_SIZE:
	//	Size of worker pool to create to help with crypto
	_POOL_SIZE: 100,
	
	encrypt: function(plaintext, password, callback){
		// summary:
		//	Use Corrected Block TEA to encrypt plaintext using password
		//	(note plaintext & password must be strings not string objects).
		//	Results will be returned to the 'callback' asychronously.	
		this._initWorkerPool();
	
		var msg ={plaintext: plaintext, password: password};
		msg = dojo.toJson(msg);
		msg = "encr:" + String(msg);
	
		this._assignWork(msg, callback);
	},

	decrypt: function(ciphertext, password, callback){
		// summary:
		//	Use Corrected Block TEA to decrypt ciphertext using password
		//	(note ciphertext & password must be strings not string objects).
		//	Results will be returned to the 'callback' asychronously.
		this._initWorkerPool();
	
		var msg ={ciphertext: ciphertext, password: password};
		msg = dojo.toJson(msg);
		msg = "decr:" + String(msg);
	
		this._assignWork(msg, callback);
	},
	
	_initWorkerPool: function(){
		// bugs in Google Gears prevents us from dynamically creating
		// and destroying workers as we need them -- the worker
		// pool functionality stops working after a number of crypto
		// cycles (probably related to a memory leak in Google Gears).
		// this is too bad, since it results in much simpler code.
	
		// instead, we have to create a pool of workers and reuse them. we
		// keep a stack of 'unemployed' Worker IDs that are currently not working.
		// if a work request comes in, we pop off the 'unemployed' stack
		// and put them to work, storing them in an 'employed' hashtable,
		// keyed by their Worker ID with the value being the callback function
		// that wants the result. when an employed worker is done, we get
		// a message in our 'manager' which adds this worker back to the 
		// unemployed stack and routes the result to the callback that
		// wanted it. if all the workers were employed in the past but
		// more work needed to be done (i.e. it's a tight labor pool ;) 
		// then the work messages are pushed onto
		// a 'handleMessage' queue as an object tuple{msg: msg, callback: callback}
	
		if(!this._manager){
			try{
				this._manager = google.gears.factory.create("beta.workerpool", "1.0");
				this._unemployed = [];
				this._employed ={};
				this._handleMessage = [];
			
				var self = this;
				this._manager.onmessage = function(msg, sender){
					// get the callback necessary to serve this result
					var callback = self._employed["_" + sender];
				
					// make this worker unemployed
					self._employed["_" + sender] = undefined;
					self._unemployed.push("_" + sender);
				
					// see if we need to assign new work
					// that was queued up needing to be done
					if(self._handleMessage.length){
						var handleMe = self._handleMessage.shift();
						self._assignWork(handleMe.msg, handleMe.callback);
					}
				
					// return results
					callback(msg);
				}
				
				var workerInit = "function _workerInit(){"
									+ "gearsWorkerPool.onmessage = "
										+ String(this._workerHandler)
									+ ";"
								+ "}";
			
				var code = workerInit + " _workerInit();";
	
				// create our worker pool
				for(var i = 0; i < this._POOL_SIZE; i++){
					this._unemployed.push("_" + this._manager.createWorker(code));
				}
			}catch(exp){
				throw exp.message||exp;
			}
		}
	},

	_assignWork: function(msg, callback){
		// can we immediately assign this work?
		if(!this._handleMessage.length && this._unemployed.length){
			// get an unemployed worker
			var workerID = this._unemployed.shift().substring(1); // remove _
		
			// list this worker as employed
			this._employed["_" + workerID] = callback;
		
			// do the worke
			this._manager.sendMessage(msg, workerID);
		}else{
			// we have to queue it up
			this._handleMessage ={msg: msg, callback: callback};
		}
	},

	_workerHandler: function(msg, sender){
		
		/* Begin AES Implementation */
		
		/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  */
		
		// Sbox is pre-computed multiplicative inverse in GF(2^8) used in SubBytes and KeyExpansion [§5.1.1]
		var Sbox =	[0x63,0x7c,0x77,0x7b,0xf2,0x6b,0x6f,0xc5,0x30,0x01,0x67,0x2b,0xfe,0xd7,0xab,0x76,
					 0xca,0x82,0xc9,0x7d,0xfa,0x59,0x47,0xf0,0xad,0xd4,0xa2,0xaf,0x9c,0xa4,0x72,0xc0,
					 0xb7,0xfd,0x93,0x26,0x36,0x3f,0xf7,0xcc,0x34,0xa5,0xe5,0xf1,0x71,0xd8,0x31,0x15,
					 0x04,0xc7,0x23,0xc3,0x18,0x96,0x05,0x9a,0x07,0x12,0x80,0xe2,0xeb,0x27,0xb2,0x75,
					 0x09,0x83,0x2c,0x1a,0x1b,0x6e,0x5a,0xa0,0x52,0x3b,0xd6,0xb3,0x29,0xe3,0x2f,0x84,
					 0x53,0xd1,0x00,0xed,0x20,0xfc,0xb1,0x5b,0x6a,0xcb,0xbe,0x39,0x4a,0x4c,0x58,0xcf,
					 0xd0,0xef,0xaa,0xfb,0x43,0x4d,0x33,0x85,0x45,0xf9,0x02,0x7f,0x50,0x3c,0x9f,0xa8,
					 0x51,0xa3,0x40,0x8f,0x92,0x9d,0x38,0xf5,0xbc,0xb6,0xda,0x21,0x10,0xff,0xf3,0xd2,
					 0xcd,0x0c,0x13,0xec,0x5f,0x97,0x44,0x17,0xc4,0xa7,0x7e,0x3d,0x64,0x5d,0x19,0x73,
					 0x60,0x81,0x4f,0xdc,0x22,0x2a,0x90,0x88,0x46,0xee,0xb8,0x14,0xde,0x5e,0x0b,0xdb,
					 0xe0,0x32,0x3a,0x0a,0x49,0x06,0x24,0x5c,0xc2,0xd3,0xac,0x62,0x91,0x95,0xe4,0x79,
					 0xe7,0xc8,0x37,0x6d,0x8d,0xd5,0x4e,0xa9,0x6c,0x56,0xf4,0xea,0x65,0x7a,0xae,0x08,
					 0xba,0x78,0x25,0x2e,0x1c,0xa6,0xb4,0xc6,0xe8,0xdd,0x74,0x1f,0x4b,0xbd,0x8b,0x8a,
					 0x70,0x3e,0xb5,0x66,0x48,0x03,0xf6,0x0e,0x61,0x35,0x57,0xb9,0x86,0xc1,0x1d,0x9e,
					 0xe1,0xf8,0x98,0x11,0x69,0xd9,0x8e,0x94,0x9b,0x1e,0x87,0xe9,0xce,0x55,0x28,0xdf,
					 0x8c,0xa1,0x89,0x0d,0xbf,0xe6,0x42,0x68,0x41,0x99,0x2d,0x0f,0xb0,0x54,0xbb,0x16];

		// Rcon is Round Constant used for the Key Expansion [1st col is 2^(r-1) in GF(2^8)] [§5.2]
		var Rcon = [ [0x00, 0x00, 0x00, 0x00],
					 [0x01, 0x00, 0x00, 0x00],
					 [0x02, 0x00, 0x00, 0x00],
					 [0x04, 0x00, 0x00, 0x00],
					 [0x08, 0x00, 0x00, 0x00],
					 [0x10, 0x00, 0x00, 0x00],
					 [0x20, 0x00, 0x00, 0x00],
					 [0x40, 0x00, 0x00, 0x00],
					 [0x80, 0x00, 0x00, 0x00],
					 [0x1b, 0x00, 0x00, 0x00],
					 [0x36, 0x00, 0x00, 0x00] ]; 

		/*
		 * AES Cipher function: encrypt 'input' with Rijndael algorithm
		 *
		 *	 takes	 byte-array 'input' (16 bytes)
		 *			 2D byte-array key schedule 'w' (Nr+1 x Nb bytes)