Added Cross-domain javascript requests

src/messenger/webim/js/request.js

@@ -0,0 +1,8 @@
+var mibewRequestedScripts=[],mibewHandlers=[],mibewHandlersDependences=[];
+function mibewMakeRequest(){mibewDoLoadScript(mibewRequestUrl+"&rnd="+Math.random(),"responseScript")}
+function mibewOnResponse(a){var b=a.load,c=a.handlers,e=a.data,a=a.dependences;for(id in b)if(!(b[id]in mibewRequestedScripts))mibewRequestedScripts[id]=[],mibewRequestedScripts[id].url=b[id],mibewRequestedScripts[id].status="loading",mibewLoadScript(id);for(handler in a)handler in mibewHandlersDependences||(mibewHandlersDependences[handler]=a[handler]);for(b=0;b<c.length;b++){var d=c[b];if(mibewCanRunHandler(c[b]))window[d](e);else c[b]in mibewHandlers||(mibewHandlers[d]=function(){window[d](e)})}mibewCleanUpAfterRequest(); window.setTimeout(mibewMakeRequest,mibewRequestTimeout)}
+function mibewCleanUpAfterRequest(){document.getElementsByTagName("head")[0].removeChild(document.getElementById("responseScript"))}
+function mibewDoLoadScript(a,b){var c=document.createElement("script");c.setAttribute("type","text/javascript");c.setAttribute("src",a);c.setAttribute("id",b);document.getElementsByTagName("head")[0].appendChild(c);return c}
+function mibewLoadScript(a){var b=mibewDoLoadScript(mibewRequestedScripts[a].url,a);b.onload=function(){mibewScriptReady(a)};b.onreadystatechange=function(){("complete"==this.readyState||"loaded"==this.readyState)&&mibewScriptReady(a)}}
+function mibewScriptReady(a){mibewRequestedScripts[a].status="ready";for(handlerName in mibewHandlers)mibewCanRunHandler(handlerName)&&(mibewHandlers[handlerName](),delete mibewHandlers[handlerName])}
+function mibewCanRunHandler(a){for(var a=mibewHandlersDependences[a],b=0;b<a.length;b++)if("ready"!=mibewRequestedScripts[a[b]].status)return!1;return!0};

src/messenger/webim/js/source/build.xml

@@ -41,6 +41,10 @@
 		<arg value="invite:1"/>
 		  <arg value="--js"/>
 		  <arg value="invite.js"/>
+	  <arg value="--module"/>
+		<arg value="request:1"/>
+		  <arg value="--js"/>
+		  <arg value="request.js"/>
 	</java>
   </target>
 

src/messenger/webim/js/source/request.js

@@ -0,0 +1,98 @@
+var mibewRequestedScripts = new Array();
+var mibewHandlers = new Array();
+var mibewHandlersDependences = new Array();
+
+function mibewMakeRequest()
+{
+	mibewDoLoadScript(mibewRequestUrl + '&rnd=' + Math.random(), 'responseScript');
+}
+
+function mibewOnResponse(response)
+{
+	var load = response.load;
+	var handlers = response.handlers;
+	var data = response.data;
+	var dependences = response.dependences;
+
+	for(id in load){
+		if(! (load[id] in mibewRequestedScripts)){
+			mibewRequestedScripts[id] = new Array();
+			mibewRequestedScripts[id]['url'] = load[id];
+			mibewRequestedScripts[id]['status'] = 'loading';
+			mibewLoadScript(id);
+		}
+	}
+
+	for(handler in dependences){
+		if(! (handler in mibewHandlersDependences)){
+			mibewHandlersDependences[handler] = dependences[handler];
+		}
+	}
+
+	for(var i = 0; i < handlers.length; i++){
+		var handlerName = handlers[i];
+		if(mibewCanRunHandler(handlers[i])){
+			window[handlerName](data);
+		}else{
+			if(! (handlers[i] in mibewHandlers)){
+				mibewHandlers[handlerName] = function(){
+					window[handlerName](data);
+				};
+			}
+		}
+	}
+
+	mibewCleanUpAfterRequest();
+
+	window.setTimeout(mibewMakeRequest,mibewRequestTimeout);
+}
+
+function mibewCleanUpAfterRequest()
+{
+	document.getElementsByTagName('head')[0].removeChild(document.getElementById('responseScript'));
+}
+
+function mibewDoLoadScript(url, id)
+{
+	var script = document.createElement('script');
+	script.setAttribute('type', 'text/javascript');
+	script.setAttribute('src', url);
+	script.setAttribute('id', id);
+	document.getElementsByTagName('head')[0].appendChild(script);
+	return script;
+}
+
+function mibewLoadScript(id)
+{
+	var script = mibewDoLoadScript(mibewRequestedScripts[id]['url'], id);
+	script.onload = function(){
+		mibewScriptReady(id);
+	}
+	script.onreadystatechange = function(){
+		if (this.readyState == 'complete' || this.readyState == 'loaded') {
+			mibewScriptReady(id);
+		}
+	}
+}
+
+function mibewScriptReady(id)
+{
+	mibewRequestedScripts[id]['status'] = 'ready';
+	for(handlerName in mibewHandlers){
+		if(mibewCanRunHandler(handlerName)){
+			mibewHandlers[handlerName]();
+			delete mibewHandlers[handlerName];
+		}
+	}
+}
+
+function mibewCanRunHandler(handlerName)
+{
+	var dependences = mibewHandlersDependences[handlerName];
+	for(var i = 0; i < dependences.length; i++){
+		if(mibewRequestedScripts[dependences[i]]['status'] != 'ready'){
+			return false;
+		}
+	}
+	return true;
+}

src/messenger/webim/libs/common.php

@@ -465,6 +465,14 @@ function start_html_output()
 	header("Content-type: text/html" . (isset($charset) ? "; charset=" . $charset : ""));
 }
 
+function start_js_output(){
+	header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+	header("Cache-Control: no-store, no-cache, must-revalidate");
+	header("Pragma: no-cache");
+	header("Content-type: application/javascript; charset=utf-8");
+	header('P3P:CP="IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT"');
+}
+
 function escape_with_cdata($text)
 {
 	return "<![CDATA[" . str_replace("]]>", "]]>]]&gt;<![CDATA[", $text) . "]]>";

src/messenger/webim/libs/request.php

@@ -0,0 +1,31 @@
+<?php
+/*
+ * This file is part of Mibew Messenger project.
+ *
+ * Copyright (c) 2005-2011 Mibew Messenger Community
+ * All rights reserved. The contents of this file are subject to the terms of
+ * the Eclipse Public License v1.0 which accompanies this distribution, and
+ * is available at http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * the GNU General Public License Version 2 or later (the "GPL"), in which case
+ * the provisions of the GPL are applicable instead of those above. If you wish
+ * to allow use of your version of this file only under the terms of the GPL, and
+ * not to allow others to use your version of this file under the terms of the
+ * EPL, indicate your decision by deleting the provisions above and replace them
+ * with the notice and other provisions required by the GPL.
+ *
+ * Contributors:
+ *    Dmitriy Simushev - Cross-domain javascript requests implementation
+ */
+
+function build_js_response($response)
+{
+	$result = array('load' => (isset($response['load'])?$response['load']:array()),
+			'handlers' => (isset($response['handlers'])?$response['handlers']:array()),
+			'dependences' => (isset($response['dependences'])?$response['dependences']:array()),
+			'data' => (isset($response['data'])?$response['data']:array()));
+	return "mibewOnResponse(" . json_encode($result) . ");";
+}
+
+?>

src/messenger/webim/request.php

@@ -0,0 +1,30 @@
+<?php
+/*
+ * This file is part of Mibew Messenger project.
+ *
+ * Copyright (c) 2005-2011 Mibew Messenger Community
+ * All rights reserved. The contents of this file are subject to the terms of
+ * the Eclipse Public License v1.0 which accompanies this distribution, and
+ * is available at http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * the GNU General Public License Version 2 or later (the "GPL"), in which case
+ * the provisions of the GPL are applicable instead of those above. If you wish
+ * to allow use of your version of this file only under the terms of the GPL, and
+ * not to allow others to use your version of this file under the terms of the
+ * EPL, indicate your decision by deleting the provisions above and replace them
+ * with the notice and other provisions required by the GPL.
+ *
+ * Contributors:
+ *    Dmitriy Simushev - Cross-domain javascript requests implementation
+ */
+
+require_once('libs/request.php');
+
+$response = array();
+
+start_js_output();
+echo build_js_response($response);
+
+exit;
+?>