dojox
Version:
Dojo eXtensions, a rollup of many useful sub-projects and varying states of maturity – from very stable and robust, to alpha and experimental. See individual projects contain README files for details.
259 lines (236 loc) • 7.79 kB
JavaScript
define([
"dojo/_base/kernel",
"dojo/_base/lang",
"dojo/_base/sniff",
"dojo/_base/window",
"dojo/dom",
"dojo/dom-construct",
"dojo/domReady!" // fixes doc.readyState in Fx<=3.5
], function (dojo, lang, has, windowUtil, domUtil, domConstruct) {
// module:
// dojox/embed/Quicktime
// summary:
// Base functionality to insert a QuickTime movie
// into a document on the fly.
var qtMarkup,
qtVersion = { major: 0, minor: 0, rev: 0 },
installed,
__def__ = {
width: 320,
height: 240,
redirect: null
},
keyBase = "dojox-embed-quicktime-",
keyCount = 0,
getQTMarkup = 'This content requires the <a href="http://www.apple.com/quicktime/download/" title="Download and install QuickTime.">QuickTime plugin</a>.',
embed = dojo.getObject("dojox.embed", true);
// *** private methods *********************************************************
function prep(kwArgs){
kwArgs = dojo.mixin(lang.clone(__def__), kwArgs || {});
if(!("path" in kwArgs) && !kwArgs.testing){
console.error("dojox.embed.Quicktime(ctor):: no path reference to a QuickTime movie was provided.");
return null;
}
if(kwArgs.testing){
kwArgs.path = "";
}
if(!("id" in kwArgs)){
kwArgs.id = keyBase + keyCount++;
}
return kwArgs;
}
if(has("ie")){
installed = (function(){
try{
var o = new ActiveXObject("QuickTimeCheckObject.QuickTimeCheck.1");
if(o!==undefined){
// pull the qt version too
var v = o.QuickTimeVersion.toString(16);
var p = function p(i){ return (v.substring(i, i+1)-0) || 0; };
qtVersion = {
major: p(0),
minor: p(1),
rev: p(2)
};
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 + '"/>';
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, p=navigator.plugins, l=p.length; i<l; i++){
if(p[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 + '"';
for(var p in kwArgs.params||{}){
s += ' ' + p + '="' + kwArgs.params[p] + '"';
}
s += '></embed>';
return { id: kwArgs.id, markup: s };
}
}
/*=====
var __QTArgs = {
// 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.
};
=====*/
var Quicktime=function(/* __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 Quicktime.place(kwArgs, node); // HTMLObject
};
dojo.mixin(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(){
Quicktime.initialized = true;
}, // stub function to let you know when this is ready
place: function(kwArgs, node){
var o = qtMarkup(kwArgs);
if(!(node = domUtil.byId(node))){
node=domConstruct.create("div", { id:o.id+"-container" }, windowUtil.body());
}
if(o){
node.innerHTML = o.markup;
if(o.id){
return has("ie") ? dom.byId(o.id) : document[o.id]; // QuickTimeObject
}
}
return null; // QuickTimeObject
}
});
// go get the info
if(!has("ie")){
var id = "-qt-version-test",
o = qtMarkup({ testing:true , width:4, height:4 }),
c = 10, // counter to prevent infinite looping
top = "-1000px",
widthHeight = "1px";
var getVer = function getVer(){
setTimeout(function(){
var qt = document[o.id],
n = domUtil.byId(id);
if(qt){
try{
var v = qt.GetQuickTimeVersion().split(".");
Quicktime.version = { major: parseInt(v[0]||0), minor: parseInt(v[1]||0), rev: parseInt(v[2]||0) };
if((Quicktime.supported = v[0])){
Quicktime.onInitialize();
}
c = 0;
} catch(e){
if(c--){
getVer();
}
}
}
if(!c && n){ domConstruct.destroy(n); }
}, 20);
};
domConstruct.create("div", {
innerHTML: o.markup,
id: id,
style: { top:top, left:0, width:widthHeight, height:widthHeight, overflow:"hidden", position:"absolute" }
}, windowUtil.body());
getVer();
}else if(has("ie") && installed){
// we already know if IE has QuickTime installed, but we need this to seem like a callback.
setTimeout(function(){
Quicktime.onInitialize();
}, 10);
}
lang.setObject("dojox.embed.Quicktime", Quicktime);
return Quicktime;
});