primo commit

media/com_phocagallery/js/boxplus/jsonp.mootools.js

@@ -0,0 +1,135 @@
+/*
+---
+
+script: Request.JSONP.js
+
+name: Request.JSONP
+
+description: Defines Request.JSONP, a class for cross domain javascript via script injection.
+
+license: MIT-style license
+
+authors:
+  - Aaron Newton
+  - Guillermo Rauch
+
+requires:
+  - Core/Element
+  - Core/Request
+
+provides: [Request.JSONP]
+
+...
+*/ 
+
+if (!Request.JSONP) {
+	Request.JSONP = new Class({
+
+		Implements: [Chain, Events, Options],
+
+		options: {/*
+			onRetry: $empty(intRetries),
+			onRequest: $empty(scriptElement),
+			onComplete: $empty(data),
+			onSuccess: $empty(data),
+			onCancel: $empty(),
+			*/
+			url: '',
+			data: {},
+			retries: 0,
+			timeout: 0,
+			link: 'ignore',
+			callbackKey: 'callback',
+			injectScript: document.head
+		},
+
+		initialize: function(options){
+			this.setOptions(options);
+			this.running = false;
+			this.requests = 0;
+			this.triesRemaining = [];
+		},
+
+		check: function(){
+			if (!this.running) return true;
+			switch (this.options.link){
+				case 'cancel': this.cancel(); return true;
+				case 'chain': this.chain(this.caller.bind(this, arguments)); return false;
+			}
+			return false;
+		},
+
+		send: function(options){
+			if (!$chk(arguments[1]) && !this.check(options)) return this;
+
+			var type = $type(options), 
+					old = this.options, 
+					index = $chk(arguments[1]) ? arguments[1] : this.requests++;
+			if (type == 'string' || type == 'element') options = {data: options};
+
+			options = $extend({data: old.data, url: old.url}, options);
+
+			if (!$chk(this.triesRemaining[index])) this.triesRemaining[index] = this.options.retries;
+			var remaining = this.triesRemaining[index];
+
+			(function(){
+				var script = this.getScript(options);
+				this.fireEvent('request', script);
+				this.running = true;
+
+				(function(){
+					if (remaining){
+						this.triesRemaining[index] = remaining - 1;
+						if (script){
+							script.destroy();
+							this.send(options, index).fireEvent('retry', this.triesRemaining[index]);
+						}
+					} else if(this.running && script && this.options.timeout){
+						script.destroy();
+						this.cancel().fireEvent('failure');
+					}
+				}).delay(this.options.timeout, this);
+			}).delay(Browser.Engine.trident ? 50 : 0, this);
+			return this;
+		},
+
+		cancel: function(){
+			if (!this.running) return this;
+			this.running = false;
+			this.fireEvent('cancel');
+			return this;
+		},
+
+		getScript: function(options){
+			var index = Request.JSONP.counter,
+					data;
+			Request.JSONP.counter++;
+
+			switch ($type(options.data)){
+				case 'element': data = document.id(options.data).toQueryString(); break;
+				case 'object': case 'hash': data = Hash.toQueryString(options.data);
+			}
+
+			var src = options.url + 
+				 (options.url.test('\\?') ? '&' :'?') + 
+				 (options.callbackKey || this.options.callbackKey) + 
+				 '=Request.JSONP.request_map.request_'+ index + 
+				 (data ? '&' + data : '');
+
+			var script = new Element('script', {type: 'text/javascript', src: src});
+			Request.JSONP.request_map['request_' + index] = function(){ this.success(arguments, script); }.bind(this);
+			return script.inject(this.options.injectScript);
+		},
+
+		success: function(args, script){
+			if (!this.running) return false;
+			if (script) script.destroy();
+			this.running = false;
+			this.fireEvent('complete', args).fireEvent('success', args).callChain();
+		}
+
+	});
+
+	Request.JSONP.counter = 0;
+	Request.JSONP.request_map = {};
+}