root / trunk / web / dojo / dojox / io / proxy / xip_client.html
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<!--
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/*
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Copyright (c) 2004-2010, The Dojo Foundation
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All Rights Reserved.
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Licensed under the Academic Free License version 2.1 or above OR the
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modified BSD license. For more information on Dojo licensing, see:
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http://dojotoolkit.org/community/licensing.shtml
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*/
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-->
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> |
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<head>
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<title></title> |
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8"></meta> |
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<!-- Security protection: uncomment the start and end script tags to enable. -->
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<!-- script type="text/javascript" -->
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// <!--
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function pollHash(){
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//Can't use location.hash because at least Firefox does a decodeURIComponent on it.
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var urlParts = window.location.href.split("#");
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if(urlParts.length == 2){
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var newHash = urlParts[1];
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if(newHash != xipCurrentHash){
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try{
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callMaster(xipStateId, newHash);
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}catch(e){
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//Make sure to not keep processing the error hash value.
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xipCurrentHash = newHash;
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throw e;
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}
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xipCurrentHash = newHash;
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}
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}
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}
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function unpackMessage(encodedMessage){
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var parts = encodedMessage.split(":");
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var command = parts[1];
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encodedMessage = parts[2] || "";
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var config = null;
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if(command == "init"){
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var configParts = encodedMessage.split("&");
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config = {};
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for(var i = 0; i < configParts.length; i++){
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var nameValue = configParts[i].split("=");
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config[decodeURIComponent(nameValue[0])] = decodeURIComponent(nameValue[1]);
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}
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}
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return {command: command, message: encodedMessage, config: config};
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}
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//************** Init **************************
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xipCurrentHash = "";
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//Decode the init params
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var fragId = window.location.href.split("#")[1];
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var config = unpackMessage(fragId).config;
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xipStateId = config.id;
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xipMasterFrame = parent.parent;
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//Set up an HTML5 messaging publisher if postMessage exists.
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//As of this writing, this is only useful to get Opera 9.25+ to work.
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if(typeof document.postMessage != "undefined"){
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callMaster = function(stateId, message){
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xipMasterFrame.document.postMessage(stateId + "#" + message);
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}
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}else{
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var parts = config.callback.split(".");
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xipCallbackObject = xipMasterFrame;
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for(var i = 0; i < parts.length - 1; i++){
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xipCallbackObject = xipCallbackObject[parts[i]];
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}
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xipCallback = parts[parts.length - 1];
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callMaster = function(stateId, message){
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xipCallbackObject[xipCallback](stateId + "#" + message);
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}
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}
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//Call the master frame to let it know it is OK to start sending.
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callMaster(xipStateId, "0:loaded");
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//Start counter to inspect hash value.
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setInterval(pollHash, 10);
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// -->
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<!-- </script> -->
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</head>
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<body>
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<h4>The Dojo Toolkit -- xip_client.html</h4> |
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<p>This file is used for Dojo's XMLHttpRequest Iframe Proxy. This is the "client" file used
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internally by dojox.io.proxy.xip.</p>
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</body>
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</html>
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