Created
February 10, 2011 16:04
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package org.assetloader.base | |
{ | |
import org.assetloader.core.ILoadStats; | |
import org.assetloader.core.ILoader; | |
import org.assetloader.signals.LoaderSignal; | |
import org.assetloader.signals.ProgressSignal; | |
/** | |
* @author Matan Uberstein | |
*/ | |
public class StatsConsolidator | |
{ | |
protected var _loaders : Array; | |
protected var _stats : ILoadStats; | |
protected var _numLoaders : int; | |
protected var _numComplete : int; | |
protected var _onOpen : LoaderSignal; | |
protected var _onProgress : ProgressSignal; | |
protected var _onComplete : LoaderSignal; | |
public function StatsConsolidator() | |
{ | |
_loaders = []; | |
_stats = new LoaderStats(); | |
_onOpen = new LoaderSignal(); | |
_onProgress = new ProgressSignal(); | |
_onComplete = new LoaderSignal(); | |
} | |
public function add(loader : ILoader) : void | |
{ | |
if(_loaders.indexOf(loader) == -1) | |
{ | |
loader.onStart.add(start_handler); | |
loader.onOpen.add(open_handler); | |
loader.onProgress.add(progress_handler); | |
loader.onComplete.add(complete_handler); | |
_loaders.push(loader); | |
_numLoaders = _loaders.length; | |
} | |
else | |
throw new Error("Already contains loader."); //FIXME: needs proper AssetLoaderError | |
} | |
public function remove(loader : ILoader) : void | |
{ | |
var index : int = _loaders.indexOf(loader); | |
if(index != -1) | |
{ | |
loader.onStart.remove(start_handler); | |
loader.onOpen.remove(open_handler); | |
loader.onProgress.remove(progress_handler); | |
loader.onComplete.remove(complete_handler); | |
_loaders.splice(index, 1); | |
_numLoaders = _loaders.length; | |
} | |
else | |
throw new Error("Does not contain loader."); //FIXME: needs proper AssetLoaderError | |
} | |
public function destroy() : void | |
{ | |
for each(var loader : ILoader in _loaders) | |
{ | |
remove(loader); | |
} | |
_onProgress.removeAll(); | |
} | |
protected function start_handler(signal : LoaderSignal) : void | |
{ | |
for each(var loader : ILoader in _loaders) | |
{ | |
loader.onStart.remove(start_handler); | |
} | |
_stats.start(); | |
} | |
protected function open_handler(signal : LoaderSignal) : void | |
{ | |
_stats.open(); | |
_onOpen.dispatch(signal.loader); | |
} | |
protected function progress_handler(signal : ProgressSignal) : void | |
{ | |
var bytesLoaded : uint; | |
var bytesTotal : uint; | |
for each(var loader : ILoader in _loaders) | |
{ | |
bytesLoaded += loader.stats.bytesLoaded; | |
bytesTotal += loader.stats.bytesTotal; | |
} | |
_stats.update(bytesLoaded, bytesTotal); | |
_onProgress.dispatch(signal.loader, _stats.latency, _stats.speed, _stats.averageSpeed, _stats.progress, _stats.bytesLoaded, _stats.bytesTotal); | |
} | |
protected function complete_handler(signal : LoaderSignal, payload : *) : void | |
{ | |
_numComplete++; | |
if(_numComplete == _numLoaders) | |
{ | |
_stats.done(); | |
_onComplete.dispatch(signal.loader); | |
} | |
} | |
public function get stats() : ILoadStats | |
{ | |
return _stats; | |
} | |
public function get onOpen() : LoaderSignal | |
{ | |
return _onOpen; | |
} | |
public function get onProgress() : ProgressSignal | |
{ | |
return _onProgress; | |
} | |
public function get onComplete() : LoaderSignal | |
{ | |
return _onComplete; | |
} | |
} | |
} |
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