root / trunk / web / dojo / dojox / io / proxy / xip_client.html
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| 1 | 9 | andrej.cim | <!--
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| 2 | /*
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| 3 | Copyright (c) 2004-2010, The Dojo Foundation
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| 4 | All Rights Reserved.
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| 5 | |||
| 6 | Licensed under the Academic Free License version 2.1 or above OR the
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| 7 | modified BSD license. For more information on Dojo licensing, see:
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| 8 | |||
| 9 | http://dojotoolkit.org/community/licensing.shtml
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| 10 | */
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| 11 | -->
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| 12 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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| 13 | "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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| 14 | |||
| 15 | <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> |
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| 16 | <head>
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| 17 | <title></title> |
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| 18 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8"></meta> |
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| 19 | <!-- Security protection: uncomment the start and end script tags to enable. -->
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| 20 | <!-- script type="text/javascript" -->
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| 21 | // <!--
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| 22 | |||
| 23 | function pollHash(){
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| 24 | //Can't use location.hash because at least Firefox does a decodeURIComponent on it.
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| 25 | var urlParts = window.location.href.split("#");
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| 26 | if(urlParts.length == 2){
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| 27 | var newHash = urlParts[1];
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| 28 | if(newHash != xipCurrentHash){
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| 29 | try{
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| 30 | callMaster(xipStateId, newHash);
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| 31 | }catch(e){
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| 32 | //Make sure to not keep processing the error hash value.
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| 33 | xipCurrentHash = newHash;
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| 34 | throw e;
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| 35 | }
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| 36 | xipCurrentHash = newHash;
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| 37 | }
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| 38 | }
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| 39 | }
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| 40 | |||
| 41 | function unpackMessage(encodedMessage){
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| 42 | var parts = encodedMessage.split(":");
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| 43 | var command = parts[1];
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| 44 | encodedMessage = parts[2] || "";
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| 45 | |||
| 46 | var config = null;
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| 47 | if(command == "init"){
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| 48 | var configParts = encodedMessage.split("&");
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| 49 | config = {};
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| 50 | for(var i = 0; i < configParts.length; i++){
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| 51 | var nameValue = configParts[i].split("=");
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| 52 | config[decodeURIComponent(nameValue[0])] = decodeURIComponent(nameValue[1]);
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| 53 | }
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| 54 | }
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| 55 | return {command: command, message: encodedMessage, config: config};
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| 56 | }
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| 57 | |||
| 58 | //************** Init **************************
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| 59 | xipCurrentHash = "";
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| 60 | |||
| 61 | //Decode the init params
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| 62 | var fragId = window.location.href.split("#")[1];
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| 63 | var config = unpackMessage(fragId).config;
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| 64 | |||
| 65 | xipStateId = config.id;
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| 66 | xipMasterFrame = parent.parent;
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| 67 | |||
| 68 | //Set up an HTML5 messaging publisher if postMessage exists.
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| 69 | //As of this writing, this is only useful to get Opera 9.25+ to work.
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| 70 | if(typeof document.postMessage != "undefined"){
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| 71 | callMaster = function(stateId, message){
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| 72 | xipMasterFrame.document.postMessage(stateId + "#" + message);
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| 73 | }
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| 74 | }else{
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| 75 | var parts = config.callback.split(".");
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| 76 | xipCallbackObject = xipMasterFrame;
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| 77 | for(var i = 0; i < parts.length - 1; i++){
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| 78 | xipCallbackObject = xipCallbackObject[parts[i]];
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| 79 | }
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| 80 | xipCallback = parts[parts.length - 1];
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| 81 | |||
| 82 | callMaster = function(stateId, message){
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| 83 | xipCallbackObject[xipCallback](stateId + "#" + message);
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| 84 | }
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| 85 | }
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| 86 | |||
| 87 | //Call the master frame to let it know it is OK to start sending.
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| 88 | callMaster(xipStateId, "0:loaded");
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| 89 | |||
| 90 | //Start counter to inspect hash value.
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| 91 | setInterval(pollHash, 10);
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| 92 | |||
| 93 | // -->
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| 94 | <!-- </script> -->
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| 95 | </head>
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| 96 | <body>
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| 97 | <h4>The Dojo Toolkit -- xip_client.html</h4> |
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| 98 | |||
| 99 | <p>This file is used for Dojo's XMLHttpRequest Iframe Proxy. This is the "client" file used
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| 100 | internally by dojox.io.proxy.xip.</p>
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| 101 | </body>
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| 102 | </html> |