webui-aria2/js/libs/dojox/embed/Flash.js.uncompressed.js
2012-05-01 19:52:07 +08:00

508 lines
15 KiB
JavaScript

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