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POHow to call dynamically created flash external interface in IE from javascript?
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  1. POHow to call dynamically created flash external interface in IE from javascript?
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    copied!<p>What I have:</p> <ol> <li>A swf exports a function via ExternalInterface</li> <li>Javascript creates new embed object and adds it to the document</li> <li>Calling flash functions works fine in other browsers</li> <li>Calling flash functions will fail in <strong>IE 8</strong></li> </ol> <p>Example of exporting functions in swf:</p> <pre><code>flash.external.ExternalInterface.addCallback("isActive", ... </code></pre> <p>Example of creating the embed object:</p> <pre><code>var b = document.createElement('embed'); b.type = 'application\u002fx-shockwave-flash'; b.setAttribute('allowFullScreen', 'true'); b.setAttribute('allowNetworking', 'all'); b.setAttribute('allowScriptAccess', 'always'); b.width = 500; b.height = 400; b.src = 'assets\u002fUltra4.UltraApplication\u002fUltra4.UltraApplication+UltraSprite.swf'; </code></pre> <p>Example of calling flash external interface in javascript:</p> <pre><code> try { e = b.isActive(); } catch (__exc){ } </code></pre> <p>In IE it will catch with message <strong>"Object doesn't support this property or method"</strong> </p> <p>How to fix it?</p> <ol> <li>Related: <a href="http://bojolais.livejournal.com/251383.html" rel="nofollow noreferrer">http://bojolais.livejournal.com/251383.html</a></li> <li>Related: <a href="https://stackoverflow.com/questions/1166079/externalinterface-not-working-in-ie">ExternalInterface not working in IE</a></li> <li>Related: <a href="http://swfupload.org/forum/generaldiscussion/985" rel="nofollow noreferrer">http://swfupload.org/forum/generaldiscussion/985</a></li> <li>Related: <a href="http://code.google.com/p/doctype/wiki/ArticleFixingFlashExternalInterface" rel="nofollow noreferrer">http://code.google.com/p/doctype/wiki/ArticleFixingFlashExternalInterface</a></li> <li>Related: <a href="http://www.dangerouslyawesome.com/2006/10/20/another-swfobject-problem-deproblemed/" rel="nofollow noreferrer">http://www.dangerouslyawesome.com/2006/10/20/another-swfobject-problem-deproblemed/</a></li> <li>Related: <a href="http://www.airtightinteractive.com/news/?p=71" rel="nofollow noreferrer">http://www.airtightinteractive.com/news/?p=71</a></li> </ol> <hr> <p>In script debugger I can see a third party script which is supposed to be the bridge:</p> <pre><code>function __flash__arrayToXML(obj) { var s = "&lt;array&gt;"; for (var i=0; i&lt;obj.length; i++) { s += "&lt;property id=\"" + i + "\"&gt;" + __flash__toXML(obj[i]) + "&lt;/property&gt;"; } return s+"&lt;/array&gt;"; } function __flash__argumentsToXML(obj,index) { var s = "&lt;arguments&gt;"; for (var i=index; i&lt;obj.length; i++) { s += __flash__toXML(obj[i]); } return s+"&lt;/arguments&gt;"; } function __flash__objectToXML(obj) { var s = "&lt;object&gt;"; for (var prop in obj) { s += "&lt;property id=\"" + prop + "\"&gt;" + __flash__toXML(obj[prop]) + "&lt;/property&gt;"; } return s+"&lt;/object&gt;"; } function __flash__escapeXML(s) { return s.replace(/&amp;/g, "&amp;amp;").replace(/&lt;/g, "&amp;lt;").replace(/&gt;/g, "&amp;gt;").replace(/"/g, "&amp;quot;").replace(/'/g, "&amp;apos;"); } function __flash__toXML(value) { var type = typeof(value); if (type == "string") { return "&lt;string&gt;" + __flash__escapeXML(value) + "&lt;/string&gt;"; } else if (type == "undefined") { return "&lt;undefined/&gt;"; } else if (type == "number") { return "&lt;number&gt;" + value + "&lt;/number&gt;"; } else if (value == null) { return "&lt;null/&gt;"; } else if (type == "boolean") { return value ? "&lt;true/&gt;" : "&lt;false/&gt;"; } else if (value instanceof Date) { return "&lt;date&gt;" + value.getTime() + "&lt;/date&gt;"; } else if (value instanceof Array) { return __flash__arrayToXML(value); } else if (type == "object") { return __flash__objectToXML(value); } else { return "&lt;null/&gt;"; //??? } } function __flash__addCallback(instance, name) { instance[name] = function () { return eval(instance.CallFunction("&lt;invoke name=\""+name+"\" returntype=\"javascript\"&gt;" + __flash__argumentsToXML(arguments,0) + "&lt;/invoke&gt;")); } } function __flash__removeCallback(instance, name) { instance[name] = null; } </code></pre>
 

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