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261 lines
7.9 KiB
JavaScript
261 lines
7.9 KiB
JavaScript
![]()
15 years ago
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dojo.provide("dojox.embed.Quicktime");
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(function(d){
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/*******************************************************
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dojox.embed.Quicktime
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Base functionality to insert a QuickTime movie
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into a document on the fly.
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******************************************************/
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var qtMarkup,
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qtVersion = { major: 0, minor: 0, rev: 0 },
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installed,
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__def__ = {
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width: 320,
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height: 240,
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redirect: null
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},
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keyBase = "dojox-embed-quicktime-",
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keyCount = 0,
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getQTMarkup = 'This content requires the <a href="http://www.apple.com/quicktime/download/" title="Download and install QuickTime.">QuickTime plugin</a>.';
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// *** private methods *********************************************************
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function prep(kwArgs){
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kwArgs = d.mixin(d.clone(__def__), kwArgs || {});
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if(!("path" in kwArgs) && !kwArgs.testing){
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console.error("dojox.embed.Quicktime(ctor):: no path reference to a QuickTime movie was provided.");
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return null;
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}
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if(kwArgs.testing){
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kwArgs.path = "";
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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(d.isIE){
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installed = (function(){
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try{
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var o = new ActiveXObject("QuickTimeCheckObject.QuickTimeCheck.1");
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if(o!==undefined){
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// pull the qt version too
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var v = o.QuickTimeVersion.toString(16);
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function p(i){ return (v.substring(i, i+1)-0) || 0; }
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qtVersion = {
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major: p(0),
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minor: p(1),
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rev: p(2)
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};
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return o.IsQuickTimeAvailable(0);
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}
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} catch(e){ }
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return false;
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})();
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qtMarkup = function(kwArgs){
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if(!installed){ return { id: null, markup: getQTMarkup }; }
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kwArgs = prep(kwArgs);
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if(!kwArgs){ return null; }
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var s = '<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" '
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+ 'codebase="http://www.apple.com/qtactivex/qtplugin.cab#version=6,0,2,0" '
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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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+ '<param name="src" value="' + kwArgs.path + '"/>';
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for(var p in kwArgs.params||{}){
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s += '<param name="' + p + '" value="' + kwArgs.params[p] + '"/>';
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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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} else {
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installed = (function(){
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for(var i=0, p=navigator.plugins, l=p.length; i<l; i++){
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if(p[i].name.indexOf("QuickTime")>-1){
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return true;
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}
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}
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return false;
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})();
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qtMarkup = function(kwArgs){
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if(!installed){ return { id: null, markup: getQTMarkup }; }
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kwArgs = prep(kwArgs);
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if(!kwArgs){ return null; }
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var s = '<embed type="video/quicktime" src="' + kwArgs.path + '" '
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+ 'id="' + kwArgs.id + '" '
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+ 'name="' + kwArgs.id + '" '
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+ 'pluginspage="www.apple.com/quicktime/download" '
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+ 'enablejavascript="true" '
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+ 'width="' + kwArgs.width + '" '
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+ 'height="' + kwArgs.height + '"';
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for(var p in kwArgs.params||{}){
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s += ' ' + p + '="' + kwArgs.params[p] + '"';
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}
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s += '></embed>';
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return { id: kwArgs.id, markup: s };
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}
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}
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/*=====
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dojox.embed.__QTArgs = function(path, id, width, height, params, 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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// 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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// redirect: String?
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// A url to redirect the browser to if the current QuickTime 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.height=height;
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this.params=params;
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this.redirect=redirect;
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}
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=====*/
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dojox.embed.Quicktime=function(/* dojox.embed.__QTArgs */kwArgs, /* DOMNode */node){
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// summary:
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// Returns a reference to the HTMLObject/HTMLEmbed that is created to
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// place the movie in the document. You can use this either with or
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// without the new operator. Note that with any other DOM manipulation,
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// you must wait until the document is finished loading before trying
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// to use this.
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//
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// example:
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// Embed a QuickTime movie in a document using the new operator, and get a reference to it.
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// | var movie = new dojox.embed.Quicktime({
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// | path: "path/to/my/movie.mov",
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// | width: 400,
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// | height: 300
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// | }, myWrapperNode);
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//
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// example:
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// Embed a movie in a document without using the new operator.
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// | var movie = dojox.embed.Quicktime({
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// | path: "path/to/my/movie.mov",
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// | width: 400,
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// | height: 300
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// | }, myWrapperNode);
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return dojox.embed.Quicktime.place(kwArgs, node); // HTMLObject
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};
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d.mixin(dojox.embed.Quicktime, {
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// summary:
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// A singleton object used internally to get information
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// about the QuickTime 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 QuickTime Player, defaults to
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// 6.
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// available: Boolean
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// Whether or not QuickTime is available.
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// supported: Boolean
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// Whether or not the QuickTime Player installed is supported by
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// dojox.embed.
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// version: Object
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// The version of the installed QuickTime 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.Quicktime.version.major;
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// initialized: Boolean
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// Whether or not the QuickTime 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 stub to embed
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// a movie in your document; this WILL be fired before DOMContentLoaded
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// is fired, and you will get an error. You should use dojo.addOnLoad
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// to place your movie instead.
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minSupported: 6,
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available: installed,
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supported: installed,
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version: qtVersion,
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initialized: false,
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onInitialize: function(){
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dojox.embed.Quicktime.initialized = true;
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}, // stub function to let you know when this is ready
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place: function(kwArgs, node){
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var o = qtMarkup(kwArgs);
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if(!(node = d.byId(node))){
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node=d.create("div", { id:o.id+"-container" }, d.body());
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}
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if(o){
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node.innerHTML = o.markup;
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if(o.id){
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return d.isIE? d.byId(o.id) : document[o.id]; // QuickTimeObject
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}
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}
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return null; // QuickTimeObject
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}
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});
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// go get the info
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if(!d.isIE){
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var id = "-qt-version-test",
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o = qtMarkup({ testing:true , width:4, height:4 }),
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c = 10, // counter to prevent infinite looping
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top = "-1000px",
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widthHeight = "1px";
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function getVer(){
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setTimeout(function(){
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var qt = document[o.id],
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n = d.byId(id);
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if(qt){
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try{
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var v = qt.GetQuickTimeVersion().split(".");
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dojox.embed.Quicktime.version = { major: parseInt(v[0]||0), minor: parseInt(v[1]||0), rev: parseInt(v[2]||0) };
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if(dojox.embed.Quicktime.supported = v[0]){
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dojox.embed.Quicktime.onInitialize();
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}
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c = 0;
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} catch(e){
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if(c--){
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getVer();
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}
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}
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}
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if(!c && n){ d.destroy(n); }
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}, 20);
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}
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if(d._initFired){
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// if onload has already fired, then body is available and we can create a new node
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d.create("div", {
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innerHTML: o.markup,
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id: id,
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style: { top:top, left:0, width:widthHeight, height:widthHeight, overflow:"hidden", position:"absolute" }
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}, d.body());
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}else{
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// body isn't loaded yet, so we need to document.write the QuickTime markup
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document.write(
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'<div style="top:'+top+';left:0;width:'+widthHeight+';height:'+widthHeight+';overflow:hidden;position:absolute" id="' + id + '">'
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+ o.markup
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+ '</div>');
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}
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getVer();
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}else if(d.isIE && installed){
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// we already know if IE has QuickTime installed
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dojox.embed.Quicktime.onInitialize();
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}
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})(dojo);
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