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Revision 233, 9.3 kB (checked in by pablo, 5 months ago)
Tagging 4.5 release

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1	/**
2	* Loads external SWF skins and plugins.
3	**/
4
5
6	package com.jeroenwijering.player {
7
8
9	import com.jeroenwijering.events.SPLoaderEvent;
10	import com.jeroenwijering.player.Player;
11	import com.jeroenwijering.utils.Strings;
12
13	import flash.display.*;
14	import flash.events.*;
15	import flash.net.URLRequest;
16	import flash.system.*;
17
18
19	public class SPLoader extends EventDispatcher {
20
21
22	/ Reference to the player config. /
23	private var config:Object;
24	/ Reference to the skin. /
25	private var skin:MovieClip;
26	/ Reference to the view. /
27	private var player:Player;
28	/ SWF loader reference /
29	private var loader:Loader;
30	/ Number of plugns that are done loading. /
31	private var done:Number = 0;
32	/ List with all the plugins. /
33	private var plugins:Array;
34	/ Base directory from which plugins are loaded. /
35	private var basedir:String = 'http://plugins.longtailvideo.com/';
36
37
38	/ Constructor, references /
39	public function SPLoader(ply:Player):void {
40	config = ply.config;
41	skin = ply.skin;
42	player = ply;
43	plugins = new Array();
44	};
45
46
47	/ Add a plugin to the list. /
48	public function addPlugin(pgi:Object,nam:String,ext:Boolean=false):void {
49	var obj:Object = { reference:pgi,name:nam,x:0,y:0,width:400,height:300};
50	// hack for the playlist/controlbar flashvars
51	var cbr:DisplayObject = skin.getChildByName('controlbar');
52	var dck:DisplayObject = skin.getChildByName('dock');
53	if(nam == 'controlbar') {
54	config['controlbar.position'] = config['controlbar'];
55	config['controlbar.size'] = cbr.height;
56	config['controlbar.margin'] = cbr.x;
57	} else if (nam == 'playlist') {
58	config['playlist.position'] = config['playlist'];
59	config['playlist.size'] = config['playlistsize'];
60	}
61	// load config for plugin
62	try {
63	for(var org:String in pgi.config) {
64	obj[org] = pgi.config[org];
65	}
66	} catch (err:Error) {}
67	for(var str:String in config) {
68	if (str.indexOf(nam + ".") == 0) {
69	obj[str.substring(nam.length + 1)] = config[str];
70	}
71	}
72	//load skin for plugin
73	var clp:DisplayObject;
74	if(ext == true) {
75	clp = DisplayObject(pgi);
76	skin.addChild(clp);
77	} else if(skin.getChildByName(nam)) {
78	clp = skin.getChildByName(nam);
79	} else {
80	clp = new MovieClip();
81	clp.name = nam;
82	skin.addChildAt(clp,1);
83	}
84	// add plugin and initialize
85	plugins.push(obj);
86	try {
87	pgi.config = obj;
88	pgi.clip = clp;
89	} catch (err:Error) {}
90	if(cbr) { skin.setChildIndex(cbr,skin.numChildren-1); }
91	if(dck) { skin.setChildIndex(dck,skin.numChildren-1); }
92	pgi.initializePlugin(player.view);
93	};
94
95
96	/ Get a reference to a specific plugin. /
97	public function getPlugin(nam:String):Object {
98	for(var i:Number=0; i<plugins.length; i++) {
99	if(plugins[i]['name'] == nam) {
100	return plugins[i]['reference'];
101	}
102	}
103	return null;
104	};
105
106
107	/ Return the configuration data of a specific plugin. /
108	public function getPluginConfig(plg:Object):Object {
109	for(var i:Number=0; i<plugins.length; i++) {
110	if(plugins[i]['reference'] == plg) {
111	return plugins[i];
112	}
113	}
114	return null;
115	};
116
117
118	/ Load a single plugin into the stack (after initialization). /
119	public function loadPlugin(url:String,str:String=null) {
120	if(str != null && str != '') {
121	var ar1:Array = str.split('&');
122	for(var i:String in ar1) {
123	var ar2:Array = ar1[i].split('=');
124	config[ar2[0]] = Strings.serialize(ar2[1]);
125	}
126	}
127	loadSWF(url,false);
128	};
129
130
131	/ Start loading the SWF plugins, or broadcast if there's none. /
132	public function loadPlugins():void {
133	if(config['plugins']) {
134	var arr:Array = config['plugins'].split(',');
135	done = arr.length;
136	for(var i:Number=0; i<arr.length; i++) {
137	loadSWF(arr[i],false);
138	}
139	} else {
140	dispatchEvent(new SPLoaderEvent(SPLoaderEvent.PLUGINS));
141	}
142	};
143
144
145	/ Start loading the skin, or broadcast if there's none. /
146	public function loadSkin():void {
147	if(config['skin']) {
148	loadSWF(config['skin'],true);
149	} else {
150	dispatchEvent(new SPLoaderEvent(SPLoaderEvent.SKIN));
151	}
152	};
153
154
155	/ Load a particular SWF file. /
156	private function loadSWF(str:String,skn:Boolean):void {
157	if(str.substr(-4) == '.swf') { str = str.substr(0, str.length-4); }
158	var ldr:Loader = new Loader();
159	if(skn) {
160	ldr.contentLoaderInfo.addEventListener(IOErrorEvent.IO_ERROR,skinError);
161	ldr.contentLoaderInfo.addEventListener(Event.COMPLETE,skinHandler);
162	} else {
163	ldr.contentLoaderInfo.addEventListener(IOErrorEvent.IO_ERROR,pluginError);
164	ldr.contentLoaderInfo.addEventListener(SecurityErrorEvent.SECURITY_ERROR,pluginError);
165	ldr.contentLoaderInfo.addEventListener(Event.COMPLETE,pluginHandler);
166	}
167	str += '.swf';
168	if(skin.loaderInfo.url.indexOf('http') == 0) {
169	var ctx:LoaderContext = new LoaderContext(true,ApplicationDomain.currentDomain,SecurityDomain.currentDomain);
170	if(skn \|\| str.indexOf('/') > -1) {
171	ldr.load(new URLRequest(str),ctx);
172	} else {
173	ldr.load(new URLRequest(basedir+str),ctx);
174	}
175	} else {
176	ldr.load(new URLRequest(str));
177	}
178	};
179
180
181	/ Plugin loading failed. /
182	private function pluginError(evt:ErrorEvent):void {
183	done--;
184	if(done == 0) {
185	dispatchEvent(new SPLoaderEvent(SPLoaderEvent.PLUGINS));
186	}
187	};
188
189
190	/ Plugin loading completed; add to stage and populate. /
191	private function pluginHandler(evt:Event):void {
192	try {
193	var idx:Number = evt.target.url.lastIndexOf('/');
194	var end:Number = evt.target.url.length-4;
195	if(evt.target.url.indexOf('-',end-5) > -1) {
196	end = evt.target.url.indexOf('-',end-5);
197	}
198	var nam:String = evt.target.url.substring(idx+1,end).toLowerCase();
199	addPlugin(evt.target.content,nam,true);
200	evt.target.loader.visible = true;
201	} catch(err:Error) {}
202	done--;
203	if(done == 0) {
204	dispatchEvent(new SPLoaderEvent(SPLoaderEvent.PLUGINS));
205	} else if (done <0) {
206	player.view.sendEvent('REDRAW');
207	}
208	};
209
210
211	/ Layout all plugins for a normal resize. /
212	public function layoutNormal():void {
213	var bounds:Object = {x:0,y:0,width:config['width'],height:config['height']};
214	var overs:Array = new Array();
215	for(var i:Number = plugins.length-1; i>=0; i--) {
216	switch(plugins[i]['position']) {
217	case "left":
218	plugins[i]['x'] = bounds.x;
219	plugins[i]['y'] = bounds.y;
220	plugins[i]['width'] = plugins[i]['size'];
221	plugins[i]['height'] = bounds.height;
222	plugins[i]['visible'] = true;
223	bounds.x += plugins[i]['size'];
224	bounds.width -= plugins[i]['size'];
225	break;
226	case "top":
227	plugins[i]['x'] = bounds.x;
228	plugins[i]['y'] = bounds.y;
229	plugins[i]['width'] = bounds.width;
230	plugins[i]['height'] = plugins[i]['size'];
231	plugins[i]['visible'] = true;
232	bounds.y += plugins[i]['size'];
233	bounds.height -= plugins[i]['size'];
234	break;
235	case "right":
236	plugins[i]['x'] = bounds.x + bounds.width - plugins[i]['size'];
237	plugins[i]['y'] = bounds.y;
238	plugins[i]['width'] = plugins[i]['size'];
239	plugins[i]['height'] = bounds.height;
240	plugins[i]['visible'] = true;
241	bounds.width -= plugins[i]['size'];
242	break;
243	case "bottom":
244	plugins[i]['x'] = bounds.x;
245	plugins[i]['y'] = bounds.y+bounds.height-plugins[i]['size'];
246	plugins[i]['width'] = bounds.width;
247	plugins[i]['height'] = plugins[i]['size'];
248	plugins[i]['visible'] = true;
249	bounds.height -= plugins[i]['size'];
250	break;
251	case "none":
252	plugins[i]['visible'] = false;
253	break;
254	default:
255	overs.push(i);
256	break;
257	}
258	}
259	for(var j:Number=0; j<overs.length; j++) {
260	plugins[overs[j]]['x'] = bounds.x;
261	plugins[overs[j]]['y'] = bounds.y;
262	plugins[overs[j]]['width'] = bounds.width;
263	plugins[overs[j]]['height'] = bounds.height;
264	plugins[overs[j]]['visible'] = true;
265	}
266	if(config['resizing']) {
267	config['width'] = bounds.width;
268	config['height'] = bounds.height;
269	}
270	};
271
272
273	/ Layout all plugins in case of a fullscreen resize. /
274	public function layoutFullscreen() {
275	for(var i:Number=0; i<plugins.length; i++) {
276	if (plugins[i]['position'] == 'over' \|\| plugins[i]['position'] == undefined \|\|
277	plugins[i]['name'] == 'controlbar' && plugins[i]['position'] != 'none') {
278	plugins[i]['x'] = 0;
279	plugins[i]['y'] = 0;
280	plugins[i]['width'] = skin.stage.stageWidth;
281	plugins[i]['height'] = skin.stage.stageHeight;
282	plugins[i]['visible'] = true;
283	} else {
284	plugins[i]['visible'] = false;
285	}
286	}
287	if(config['resizing']) {
288	config['width'] = skin.stage.stageWidth;
289	config['height'] = skin.stage.stageHeight;
290	}
291	};
292
293
294	/ Skin loading failed; use default skin. /
295	private function skinError(evt:IOErrorEvent=null):void {
296	dispatchEvent(new SPLoaderEvent(SPLoaderEvent.SKIN));
297	};
298
299
300	/ Skin loading completed; add to stage and populate. /
301	private function skinHandler(evt:Event):void {
302	try {
303	var skn:MovieClip = evt.target.content['player'];
304	while(skn.numChildren > 0) {
305	var chd:DisplayObject = skin.getChildByName(skn.getChildAt(0).name);
306
307	if(chd) {
308	var idx:Number = skin.getChildIndex(chd);
309	skin.removeChild(chd);
310	skin.addChildAt(skn.getChildAt(0),idx);
311	skin.getChildByName(chd.name).visible = false;
312	} else {
313	skin.addChild(skn.getChildAt(0));
314	}
315	}
316	dispatchEvent(new SPLoaderEvent(SPLoaderEvent.SKIN));
317	} catch (err:Error) {}
318	};
319
320
321	}
322
323
324	}

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