- Author:
- David Nickerson <nickerso@users.sourceforge.net>
- Date:
- 2009-07-16 02:00:03+12:00
- Desc:
- the starting point for the HH tutorial example
- Permanent Source URI:
- https://models.fieldml.org/workspace/a1/rawfile/f6a8f90307388eb4b040ee3566b84d88b59247f7/dojo-presentation/js/dojo/dojox/embed/Quicktime.js
dojo.provide("dojox.embed.Quicktime");
(function(){
/*******************************************************
dojox.embed.Quicktime
Base functionality to insert a QuickTime movie
into a document on the fly.
******************************************************/
var qtMarkup, qtVersion, installed, __def__={
width: 320,
height: 240,
redirect: null
};
var keyBase="dojox-embed-quicktime-", keyCount=0;
// reference to the test movie we will use for getting QT info from the browser.
var testMovieUrl=dojo.moduleUrl("dojox", "embed/resources/version.mov");
// *** private methods *********************************************************
function prep(kwArgs){
kwArgs = dojo.mixin(dojo.clone(__def__), kwArgs || {});
if(!("path" in kwArgs)){
console.error("dojox.embed.Quicktime(ctor):: no path reference to a QuickTime movie was provided.");
return null;
}
if(!("id" in kwArgs)){
kwArgs.id=(keyBase + keyCount++);
}
return kwArgs;
}
var getQTMarkup = 'This content requires the <a href="http://www.apple.com/quicktime/download/" title="Download and install QuickTime.">QuickTime plugin</a>.';
if(dojo.isIE){
qtVersion = 0;
installed = (function(){
try{
var o = new ActiveXObject("QuickTimeCheckObject.QuickTimeCheck.1");
if(o!==undefined){
// pull the qt version too
var v=o.QuickTimeVersion.toString(16);
qtVersion={
major: parseInt(v.substring(0,1),10)||0,
minor: parseInt(v.substring(1,2),10)||0,
rev: parseInt(v.substring(2,3), 10)||0
};
return o.IsQuickTimeAvailable(0);
}
} catch(e){ }
return false;
})();
qtMarkup = function(kwArgs){
if(!installed){ return { id: null, markup: getQTMarkup }; }
kwArgs = prep(kwArgs);
if(!kwArgs){ return null; }
var s = '<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" '
+ 'codebase="http://www.apple.com/qtactivex/qtplugin.cab#version=6,0,2,0" '
+ 'id="' + kwArgs.id + '" '
+ 'width="' + kwArgs.width + '" '
+ 'height="' + kwArgs.height + '">'
+ '<param name="src" value="' + kwArgs.path + '" />';
if(kwArgs.params){
for(var p in kwArgs.params){
s += '<param name="' + p + '" value="' + kwArgs.params[p] + '" />';
}
}
s += '</object>';
return { id: kwArgs.id, markup: s };
}
} else {
installed = (function(){
for(var i=0, l=navigator.plugins.length; i<l; i++){
if(navigator.plugins[i].name.indexOf("QuickTime")>-1){
return true;
}
}
return false;
})();
qtMarkup = function(kwArgs){
if(!installed){ return { id: null, markup: getQTMarkup }; }
kwArgs = prep(kwArgs);
if(!kwArgs){ return null; }
var s = '<embed type="video/quicktime" src="' + kwArgs.path + '" '
+ 'id="' + kwArgs.id + '" '
+ 'name="' + kwArgs.id + '" '
+ 'pluginspage="www.apple.com/quicktime/download" '
+ 'enablejavascript="true" '
+ 'width="' + kwArgs.width + '" '
+ 'height="' + kwArgs.height + '"';
if(kwArgs.params){
for(var p in kwArgs.params){
s += ' ' + p + '="' + kwArgs.params[p] + '"';
}
}
s += '></embed>';
return { id: kwArgs.id, markup: s };
}
}
/*=====
dojox.embed.__QTArgs = function(path, id, width, height, params, redirect){
// path: String
// The URL of the movie to embed.
// id: String?
// A unique key that will be used as the id of the created markup. If you don't
// provide this, a unique key will be generated.
// width: Number?
// The width of the embedded movie; the default value is 320px.
// height: Number?
// The height of the embedded movie; the default value is 240px
// params: Object?
// A set of key/value pairs that you want to define in the resultant markup.
// redirect: String?
// A url to redirect the browser to if the current QuickTime version is not supported.
this.id=id;
this.path=path;
this.width=width;
this.height=height;
this.params=params;
this.redirect=redirect;
}
=====*/
dojox.embed.Quicktime=function(/* dojox.embed.__QTArgs */kwArgs, /* DOMNode */node){
// summary:
// Returns a reference to the HTMLObject/HTMLEmbed that is created to
// place the movie in the document. You can use this either with or
// without the new operator. Note that with any other DOM manipulation,
// you must wait until the document is finished loading before trying
// to use this.
//
// example:
// Embed a QuickTime movie in a document using the new operator, and get a reference to it.
// | var movie = new dojox.embed.QuickTime({
// | path: "path/to/my/movie.mov",
// | width: 400,
// | height: 300
// | }, myWrapperNode);
//
// example:
// Embed a movie in a document without using the new operator.
// | var movie = dojox.embed.QuickTime({
// | path: "path/to/my/movie.mov",
// | width: 400,
// | height: 300
// | }, myWrapperNode);
return dojox.embed.Quicktime.place(kwArgs, node); // HTMLObject
};
dojo.mixin(dojox.embed.Quicktime, {
// summary:
// A singleton object used internally to get information
// about the QuickTime player available in a browser, and
// as the factory for generating and placing markup in a
// document.
//
// minSupported: Number
// The minimum supported version of the QuickTime Player, defaults to
// 6.
// available: Boolean
// Whether or not QuickTime is available.
// supported: Boolean
// Whether or not the QuickTime Player installed is supported by
// dojox.embed.
// version: Object
// The version of the installed QuickTime Player; takes the form of
// { major, minor, rev }. To get the major version, you'd do this:
// var v=dojox.embed.Quicktime.version.major;
// initialized: Boolean
// Whether or not the QuickTime engine is available for use.
// onInitialize: Function
// A stub you can connect to if you are looking to fire code when the
// engine becomes available. A note: do NOT use this stub to embed
// a movie in your document; this WILL be fired before DOMContentLoaded
// is fired, and you will get an error. You should use dojo.addOnLoad
// to place your movie instead.
minSupported: 6,
available: installed,
supported: installed,
version: qtVersion,
initialized: false,
onInitialize: function(){
dojox.embed.Quicktime.initialized = true;
}, // stub function to let you know when this is ready
place: function(kwArgs, node){
var o = qtMarkup(kwArgs);
node = dojo.byId(node);
if(!node){
node=dojo.doc.createElement("div");
node.id=o.id+"-container";
dojo.body().appendChild(node);
}
if(o){
node.innerHTML = o.markup;
if(o.id){
return (dojo.isIE)? dojo.byId(o.id) : document[o.id]; // QuickTimeObject
}
}
return null; // QuickTimeObject
}
});
// go get the info
if(!dojo.isIE){
// FIXME: Opera does not like this at all for some reason, and of course there's no event references easily found.
qtVersion = dojox.embed.Quicktime.version = { major: 0, minor: 0, rev: 0 };
var o = qtMarkup({ path: testMovieUrl, width:4, height:4 });
function qtInsert(){
if(!dojo._initFired){
var s='<div style="top:0;left:0;width:1px;height:1px;;overflow:hidden;position:absolute;" id="-qt-version-test">'
+ o.markup
+ '</div>';
document.write(s);
} else {
var n = document.createElement("div");
n.id="-qt-version-test";
n.style.cssText = "top:0;left:0;width:1px;height:1px;overflow:hidden;position:absolute;";
dojo.body().appendChild(n);
n.innerHTML = o.markup;
}
}
function qtGetInfo(mv){
var qt, n, v = [ 0, 0, 0 ];
if(mv){
qt=mv, n=qt.parentNode;
} else {
if(o.id) {
qtInsert();
if(!dojo.isOpera){
setTimeout(function(){ qtGetInfo(document[o.id]); }, 50);
} else {
var fn=function(){
setTimeout(function(){ qtGetInfo(document[o.id]) }, 50);
};
if(!dojo._initFired){
dojo.addOnLoad(fn);
} else {
dojo.connect(document[o.id], "onload", fn);
}
}
}
return;
}
if(qt){
try {
v = qt.GetQuickTimeVersion().split(".");
qtVersion = { major: parseInt(v[0]||0), minor: parseInt(v[1]||0), rev: parseInt(v[2]||0) };
} catch(e){
qtVersion = { major: 0, minor: 0, rev: 0 };
}
}
dojox.embed.Quicktime.supported = v[0];
dojox.embed.Quicktime.version = qtVersion;
if(dojox.embed.Quicktime.supported){
dojox.embed.Quicktime.onInitialize();
} else {
console.log("quicktime is not installed.");
}
try {
if(!mv){
dojo.body().removeChild(n);
}
} catch(e){ }
}
qtGetInfo();
}
else if(dojo.isIE && installed){
dojox.embed.Quicktime.onInitialize();
}
})();
