508 lines
15 KiB
JavaScript
508 lines
15 KiB
JavaScript
//>>built
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define("dojox/embed/Flash", ["dojo"], function(dojo) {
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/*******************************************************
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dojox.embed.Flash
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Base functionality to insert a flash movie into
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a document on the fly.
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Usage:
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var movie=new dojox.embed.Flash({ args }, containerNode);
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******************************************************/
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dojo.getObject("embed", true, dojox);
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var fMarkup, fVersion;
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var minimumVersion = 9; // anything below this will throw an error (may overwrite)
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var keyBase = "dojox-embed-flash-", keyCount=0;
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var _baseKwArgs = {
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expressInstall: false,
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width: 320,
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height: 240,
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swLiveConnect: "true",
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allowScriptAccess: "sameDomain",
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allowNetworking:"all",
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style: null,
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redirect: null
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};
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function prep(kwArgs){
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kwArgs = dojo.delegate(_baseKwArgs, kwArgs);
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if(!("path" in kwArgs)){
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console.error("dojox.embed.Flash(ctor):: no path reference to a Flash movie was provided.");
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return null;
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}
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if(!("id" in kwArgs)){
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kwArgs.id = (keyBase + keyCount++);
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}
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return kwArgs;
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}
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if(dojo.isIE){
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fMarkup = function(kwArgs){
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kwArgs = prep(kwArgs);
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if(!kwArgs){ return null; }
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var p;
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var path = kwArgs.path;
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if(kwArgs.vars){
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var a = [];
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for(p in kwArgs.vars){
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a.push(p + '=' + kwArgs.vars[p]);
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}
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kwArgs.params.FlashVars = a.join("&");
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delete kwArgs.vars;
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}
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var s = '<object id="' + kwArgs.id + '" '
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+ 'classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" '
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+ 'width="' + kwArgs.width + '" '
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+ 'height="' + kwArgs.height + '"'
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+ ((kwArgs.style)?' style="' + kwArgs.style + '"':'')
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+ '>'
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+ '<param name="movie" value="' + path + '" />';
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if(kwArgs.params){
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for(p in kwArgs.params){
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s += '<param name="' + p + '" value="' + kwArgs.params[p] + '" />';
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}
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}
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s += '</object>';
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return { id: kwArgs.id, markup: s };
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};
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fVersion = (function(){
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var testVersion = 10, testObj = null;
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while(!testObj && testVersion > 7){
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try {
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testObj = new ActiveXObject("ShockwaveFlash.ShockwaveFlash." + testVersion--);
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}catch(e){ }
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}
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if(testObj){
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var v = testObj.GetVariable("$version").split(" ")[1].split(",");
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return {
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major: (v[0]!=null) ? parseInt(v[0]) : 0,
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minor: (v[1]!=null) ? parseInt(v[1]) : 0,
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rev: (v[2]!=null) ? parseInt(v[2]) : 0
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};
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}
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return { major: 0, minor: 0, rev: 0 };
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})();
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// attach some cleanup for IE, thanks to deconcept :)
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dojo.addOnUnload(function(){
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var dummy = function(){};
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var objs = dojo.query("object").
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reverse().
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style("display", "none").
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forEach(function(i){
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for(var p in i){
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if((p != "FlashVars") && dojo.isFunction(i[p])){
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try{
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i[p] = dummy;
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}catch(e){}
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}
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}
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});
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});
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} else {
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// *** Sane browsers branch ******************************************************************
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fMarkup = function(kwArgs){
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kwArgs = prep(kwArgs);
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if(!kwArgs){ return null; }
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var p;
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var path = kwArgs.path;
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if(kwArgs.vars){
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var a = [];
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for(p in kwArgs.vars){
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a.push(p + '=' + kwArgs.vars[p]);
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}
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kwArgs.params.flashVars = a.join("&");
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delete kwArgs.vars;
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}
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var s = '<embed type="application/x-shockwave-flash" '
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+ 'src="' + path + '" '
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+ 'id="' + kwArgs.id + '" '
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+ 'width="' + kwArgs.width + '" '
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+ 'height="' + kwArgs.height + '"'
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+ ((kwArgs.style)?' style="' + kwArgs.style + '" ':'')
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+ 'pluginspage="' + window.location.protocol + '//www.adobe.com/go/getflashplayer" ';
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if(kwArgs.params){
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for(p in kwArgs.params){
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s += ' ' + p + '="' + kwArgs.params[p] + '"';
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}
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}
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s += ' />';
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return { id: kwArgs.id, markup: s };
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};
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fVersion=(function(){
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var plugin = navigator.plugins["Shockwave Flash"];
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if(plugin && plugin.description){
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var v = plugin.description.replace(/([a-zA-Z]|\s)+/, "").replace(/(\s+r|\s+b[0-9]+)/, ".").split(".");
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return {
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major: (v[0]!=null) ? parseInt(v[0]) : 0,
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minor: (v[1]!=null) ? parseInt(v[1]) : 0,
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rev: (v[2]!=null) ? parseInt(v[2]) : 0
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};
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}
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return { major: 0, minor: 0, rev: 0 };
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})();
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}
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/*=====
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dojox.embed.__flashArgs = function(path, id, width, height, style, params, vars, expressInstall, redirect){
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// path: String
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// The URL of the movie to embed.
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// id: String?
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// A unique key that will be used as the id of the created markup. If you don't
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// provide this, a unique key will be generated.
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// width: Number?
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// The width of the embedded movie; the default value is 320px.
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// height: Number?
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// The height of the embedded movie; the default value is 240px
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// minimumVersion: Number ?
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// The minimum targeted version of the Flash Player (defaults to 9)
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// style: String?
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// Any CSS style information (i.e. style="background-color:transparent") you want
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// to define on the markup.
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// params: Object?
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// A set of key/value pairs that you want to define in the resultant markup.
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// vars: Object?
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// A set of key/value pairs that the Flash movie will interpret as FlashVars.
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// expressInstall: Boolean?
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// Whether or not to include any kind of expressInstall info. Default is false.
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// redirect: String?
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// A url to redirect the browser to if the current Flash version is not supported.
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this.id=id;
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this.path=path;
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this.width=width;
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this.minimumVersion=minimumVersion;
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this.height=height;
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this.style=style;
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this.params=params;
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this.vars=vars;
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this.expressInstall=expressInstall;
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this.redirect=redirect;
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}
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=====*/
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// the main entry point
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dojox.embed.Flash = function(/*dojox.embed.__flashArgs*/ kwArgs, /*DOMNode*/ node){
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// summary:
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// Create a wrapper object around a Flash movie; this is the DojoX equivilent
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// to SWFObject.
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//
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// description:
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// Creates a wrapper object around a Flash movie. Wrapper object will
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// insert the movie reference in node; when the browser first starts
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// grabbing the movie, onReady will be fired; when the movie has finished
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// loading, it will fire onLoad.
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//
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// If your movie uses ExternalInterface, you should use the onLoad event
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// to do any kind of proxy setup (see dojox.embed.Flash.proxy); this seems
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// to be the only consistent time calling EI methods are stable (since the
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// Flash movie will shoot several methods into the window object before
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// EI callbacks can be used properly).
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//
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// kwArgs: dojox.embed.__flashArgs
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// The various arguments that will be used to help define the Flash movie.
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// node: DomNode
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// The node where the embed object will be placed
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//
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// example:
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// Embed a flash movie in a document using the new operator, and get a reference to it.
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// | var movie = new dojox.embed.Flash({
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// | path: "path/to/my/movie.swf",
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// | width: 400,
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// | height: 300
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// | }, myWrapperNode, "testLoaded");
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//
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// example:
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// Embed a flash movie in a document without using the new operator.
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// | var movie = dojox.embed.Flash({
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// | path: "path/to/my/movie.swf",
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// | width: 400,
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// | height: 300,
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// | style: "position:absolute;top:0;left:0"
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// | }, myWrapperNode, "testLoaded");
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//
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// File can only be run from a server, due to SWF dependency.
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if(location.href.toLowerCase().indexOf("file://")>-1){
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throw new Error("dojox.embed.Flash can't be run directly from a file. To instatiate the required SWF correctly it must be run from a server, like localHost.");
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}
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// available: Number
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// If there is a flash player available, and if so what version.
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this.available = dojox.embed.Flash.available;
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// minimumVersion: Number
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// The minimum version of Flash required to run this movie.
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this.minimumVersion = kwArgs.minimumVersion || minimumVersion;
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// id: String
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// The id of the DOMNode to be used for this movie. Can be used with dojo.byId to get a reference.
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this.id = null;
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// movie: FlashObject
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// A reference to the movie itself.
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this.movie = null;
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// domNode: DOMNode
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// A reference to the DOMNode that contains this movie.
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this.domNode = null;
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if(node){
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node = dojo.byId(node);
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}
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// setTimeout Fixes #8743 - creating double SWFs
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// also allows time for code to attach to onError
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setTimeout(dojo.hitch(this, function(){
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if(kwArgs.expressInstall || this.available && this.available >= this.minimumVersion){
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if(kwArgs && node){
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this.init(kwArgs, node);
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}else{
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this.onError("embed.Flash was not provided with the proper arguments.");
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}
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}else{
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if(!this.available){
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this.onError("Flash is not installed.");
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}else{
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this.onError("Flash version detected: "+this.available+" is out of date. Minimum required: "+this.minimumVersion);
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}
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}
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}), 100);
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};
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dojo.extend(dojox.embed.Flash, {
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onReady: function(/*HTMLObject*/ movie){
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// summary:
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// Stub function for you to attach to when the movie reference is first
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// pushed into the document.
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},
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onLoad: function(/*HTMLObject*/ movie){
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// summary:
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// Stub function for you to attach to when the movie has finished downloading
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// and is ready to be manipulated.
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},
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onError: function(msg){
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},
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_onload: function(){
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// summary:
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// Internal. Cleans up before calling onLoad.
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clearInterval(this._poller);
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delete this._poller;
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delete this._pollCount;
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delete this._pollMax;
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this.onLoad(this.movie);
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},
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init: function(/*dojox.embed.__flashArgs*/ kwArgs, /*DOMNode?*/ node){
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// summary
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// Initialize (i.e. place and load) the movie based on kwArgs.
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this.destroy(); // ensure we are clean first.
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node = dojo.byId(node || this.domNode);
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if(!node){ throw new Error("dojox.embed.Flash: no domNode reference has been passed."); }
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// vars to help determine load status
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var p = 0, testLoaded=false;
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this._poller = null; this._pollCount = 0; this._pollMax = 15; this.pollTime = 100;
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if(dojox.embed.Flash.initialized){
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this.id = dojox.embed.Flash.place(kwArgs, node);
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this.domNode = node;
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setTimeout(dojo.hitch(this, function(){
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this.movie = this.byId(this.id, kwArgs.doc);
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this.onReady(this.movie);
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this._poller = setInterval(dojo.hitch(this, function(){
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// catch errors if not quite ready.
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try{
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p = this.movie.PercentLoaded();
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}catch(e){
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console.warn("this.movie.PercentLoaded() failed", e, this.movie);
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}
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if(p == 100){
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// if percent = 100, movie is fully loaded and we're communicating
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this._onload();
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}else if(p==0 && this._pollCount++ > this._pollMax){
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// after several attempts, we're not past zero.
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clearInterval(this._poller);
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throw new Error("Building SWF failed.");
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}
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}), this.pollTime);
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}), 1);
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}
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},
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_destroy: function(){
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// summary
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// Kill the movie and reset all the properties of this object.
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try{
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this.domNode.removeChild(this.movie);
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}catch(e){}
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this.id = this.movie = this.domNode = null;
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},
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destroy: function(){
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// summary
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// Public interface for destroying all the properties in this object.
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// Will also clean all proxied methods.
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if(!this.movie){ return; }
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// remove any proxy functions
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var test = dojo.delegate({
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id: true,
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movie: true,
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domNode: true,
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onReady: true,
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onLoad: true
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});
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for(var p in this){
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if(!test[p]){
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delete this[p];
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}
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}
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// poll the movie
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if(this._poller){
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// wait until onLoad to destroy
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dojo.connect(this, "onLoad", this, "_destroy");
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} else {
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this._destroy();
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}
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},
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byId: function (movieName, doc){
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// summary:
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// Gets Flash movie by id.
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// description:
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// Probably includes methods for outdated
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// browsers, but this should catch all cases.
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// arguments:
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// movieName: String
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// The name of the SWF
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// doc: Object
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// The document, if not current window
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// (not fully supported)
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// example:
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// | var movie = dojox.embed.Flash.byId("myId");
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//
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doc = doc || document;
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if(doc.embeds[movieName]){
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return doc.embeds[movieName];
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}
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if(doc[movieName]){
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return doc[movieName];
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}
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if(window[movieName]){
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return window[movieName];
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}
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if(document[movieName]){
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return document[movieName];
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}
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return null;
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}
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});
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// expose information through the constructor function itself.
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dojo.mixin(dojox.embed.Flash, {
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// summary:
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// A singleton object used internally to get information
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// about the Flash player available in a browser, and
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// as the factory for generating and placing markup in a
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// document.
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//
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// minSupported: Number
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// The minimum supported version of the Flash Player, defaults to 8.
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// available: Number
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// Used as both a detection (i.e. if(dojox.embed.Flash.available){ })
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// and as a variable holding the major version of the player installed.
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// supported: Boolean
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// Whether or not the Flash Player installed is supported by dojox.embed.
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// version: Object
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// The version of the installed Flash Player; takes the form of
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// { major, minor, rev }. To get the major version, you'd do this:
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// var v=dojox.embed.Flash.version.major;
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// initialized: Boolean
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// Whether or not the Flash engine is available for use.
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// onInitialize: Function
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// A stub you can connect to if you are looking to fire code when the
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// engine becomes available. A note: DO NOT use this event to
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// place a movie in a document; it will usually fire before DOMContentLoaded
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// is fired, and you will get an error. Use dojo.addOnLoad instead.
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minSupported : 8,
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available: fVersion.major,
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supported: (fVersion.major >= fVersion.required),
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minimumRequired: fVersion.required,
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version: fVersion,
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initialized: false,
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onInitialize: function(){
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dojox.embed.Flash.initialized = true;
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},
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__ie_markup__: function(kwArgs){
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return fMarkup(kwArgs);
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},
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proxy: function(/*dojox.embed.Flash*/ obj, /*Array|String*/ methods){
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// summary:
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// Create the set of passed methods on the dojox.embed.Flash object
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// so that you can call that object directly, as opposed to having to
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// delve into the internal movie to do this. Intended to make working
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// with Flash movies that use ExternalInterface much easier to use.
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//
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// example:
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// Create "setMessage" and "getMessage" methods on foo.
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// | var foo = new dojox.embed.Flash(args, someNode);
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// | dojo.connect(foo, "onLoad", dojo.hitch(foo, function(){
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// | dojox.embed.Flash.proxy(this, [ "setMessage", "getMessage" ]);
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// | this.setMessage("dojox.embed.Flash.proxy is pretty cool...");
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// | console.log(this.getMessage());
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// | }));
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dojo.forEach((dojo.isArray(methods) ? methods : [ methods ]), function(item){
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this[item] = dojo.hitch(this, function(){
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return (function(){
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return eval(this.movie.CallFunction(
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'<invoke name="' + item + '" returntype="javascript">'
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+ '<arguments>'
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+ dojo.map(arguments, function(item){
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// FIXME:
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// investigate if __flash__toXML will
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// accept direct application via map()
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// (e.g., does it ignore args past the
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// first? or does it blow up?)
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return __flash__toXML(item);
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}).join("")
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+ '</arguments>'
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+ '</invoke>'
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));
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}).apply(this, arguments||[]);
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});
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}, obj);
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}
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});
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dojox.embed.Flash.place = function(kwArgs, node){
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var o = fMarkup(kwArgs);
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node = dojo.byId(node);
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if(!node){
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node = dojo.doc.createElement("div");
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node.id = o.id+"-container";
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dojo.body().appendChild(node);
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}
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if(o){
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node.innerHTML = o.markup;
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return o.id;
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}
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return null;
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}
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dojox.embed.Flash.onInitialize();
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return dojox.embed.Flash;
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});
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