| 1 | /** |
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| 2 | * Wrap all media API's and manage playback. |
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| 3 | **/ |
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| 4 | package com.jeroenwijering.player { |
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| 5 | |
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| 6 | |
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| 7 | import com.jeroenwijering.events.*; |
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| 8 | import com.jeroenwijering.models.*; |
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| 9 | import com.jeroenwijering.player.*; |
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| 10 | import com.jeroenwijering.utils.*; |
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| 11 | import flash.display.*; |
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| 12 | import flash.events.Event; |
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| 13 | import flash.events.EventDispatcher; |
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| 14 | import flash.net.URLRequest; |
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| 15 | import flash.system.LoaderContext; |
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| 16 | import flash.utils.getDefinitionByName; |
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| 17 | |
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| 18 | |
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| 19 | public class Model extends EventDispatcher { |
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| 20 | |
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| 21 | |
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| 22 | /** Object with all configuration variables. **/ |
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| 23 | public var config:Object; |
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| 24 | /** Reference to the skin MovieClip. **/ |
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| 25 | public var skin:MovieClip; |
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| 26 | /** Object with all display variables. **/ |
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| 27 | private var sploader:SPLoader; |
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| 28 | /** Reference to the player's controller. **/ |
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| 29 | private var controller:Controller; |
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| 30 | /** The list with all active models. **/ |
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| 31 | private var models:Object; |
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| 32 | /** Loader for the preview image. **/ |
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| 33 | private var thumb:Loader; |
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| 34 | /** Save the current image to prevent overloading. **/ |
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| 35 | private var image:String; |
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| 36 | /** Currently active model. **/ |
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| 37 | private var currentModel:String; |
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| 38 | |
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| 39 | |
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| 40 | /** Constructor, save arrays and set currentItem. **/ |
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| 41 | public function Model(cfg:Object,skn:MovieClip,ldr:SPLoader,ctr:Controller):void { |
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| 42 | config = cfg; |
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| 43 | skin = skn; |
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| 44 | sploader = ldr; |
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| 45 | Draw.clear(skin.display.media); |
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| 46 | controller = ctr; |
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| 47 | controller.addEventListener(ControllerEvent.ITEM,itemHandler); |
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| 48 | controller.addEventListener(ControllerEvent.MUTE,muteHandler); |
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| 49 | controller.addEventListener(ControllerEvent.PLAY,playHandler); |
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| 50 | controller.addEventListener(ControllerEvent.PLAYLIST,playlistHandler); |
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| 51 | controller.addEventListener(ControllerEvent.QUALITY,qualityHandler); |
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| 52 | controller.addEventListener(ControllerEvent.RESIZE,resizeHandler); |
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| 53 | controller.addEventListener(ControllerEvent.SEEK,seekHandler); |
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| 54 | controller.addEventListener(ControllerEvent.STOP,stopHandler); |
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| 55 | controller.addEventListener(ControllerEvent.VOLUME,volumeHandler); |
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| 56 | thumb = new Loader(); |
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| 57 | thumb.contentLoaderInfo.addEventListener(Event.COMPLETE,resizeHandler); |
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| 58 | skin.display.addChildAt(thumb,skin.display.getChildIndex(skin.display.media)+1); |
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| 59 | models = new Object(); |
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| 60 | }; |
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| 61 | |
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| 62 | |
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| 63 | /** Item change: switch the curently active model if there's a new URL **/ |
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| 64 | private function itemHandler(evt:ControllerEvent):void { |
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| 65 | var typ:String = playlist[config['item']]['type']; |
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| 66 | if(currentModel) { |
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| 67 | models[currentModel].stop(); |
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| 68 | } |
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| 69 | if(!models[typ]) { |
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| 70 | loadModel(typ); |
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| 71 | } |
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| 72 | if(models[typ]) { |
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| 73 | currentModel = typ; |
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| 74 | models[typ].load(); |
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| 75 | } else { |
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| 76 | sendEvent(ModelEvent.ERROR,{message:'No suiteable model found for playback.'}); |
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| 77 | } |
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| 78 | thumbLoader(); |
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| 79 | }; |
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| 80 | |
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| 81 | |
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| 82 | /** Initialize a new model. **/ |
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| 83 | private function loadModel(typ:String):void { |
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| 84 | switch(typ) { |
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| 85 | case 'brightcove': |
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| 86 | models[typ] = new BrightcoveModel(this); |
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| 87 | break; |
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| 88 | case 'camera': |
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| 89 | models[typ] = new CameraModel(this); |
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| 90 | break; |
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| 91 | case 'http': |
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| 92 | models[typ] = new HTTPModel(this); |
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| 93 | break; |
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| 94 | case 'image': |
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| 95 | models[typ] = new ImageModel(this); |
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| 96 | break; |
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| 97 | case 'rtmp': |
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| 98 | models[typ] = new RTMPModel(this); |
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| 99 | break; |
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| 100 | case 'sound': |
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| 101 | models[typ] = new SoundModel(this); |
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| 102 | break; |
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| 103 | case 'video': |
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| 104 | models[typ] = new VideoModel(this); |
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| 105 | break; |
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| 106 | case 'youtube': |
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| 107 | models[typ] = new YoutubeModel(this); |
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| 108 | break; |
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| 109 | } |
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| 110 | }; |
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| 111 | |
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| 112 | |
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| 113 | /** Place a loaded mediafile on stage **/ |
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| 114 | public function mediaHandler(chd:DisplayObject=undefined):void { |
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| 115 | Draw.clear(skin.display.media); |
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| 116 | skin.display.media.addChild(chd); |
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| 117 | resizeHandler(); |
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| 118 | }; |
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| 119 | |
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| 120 | |
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| 121 | /** Load the configuration array. **/ |
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| 122 | private function muteHandler(evt:ControllerEvent):void { |
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| 123 | if(currentModel) { |
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| 124 | if(evt.data.state == true) { |
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| 125 | models[currentModel].volume(0); |
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| 126 | } else { |
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| 127 | models[currentModel].volume(config['volume']); |
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| 128 | } |
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| 129 | } |
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| 130 | }; |
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| 131 | |
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| 132 | |
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| 133 | /** Togge the playback state. **/ |
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| 134 | private function playHandler(evt:ControllerEvent):void { |
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| 135 | if(currentModel) { |
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| 136 | if(evt.data.state == true) { |
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| 137 | models[currentModel].play(); |
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| 138 | } else { |
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| 139 | models[currentModel].pause(); |
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| 140 | } |
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| 141 | } |
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| 142 | }; |
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| 143 | |
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| 144 | |
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| 145 | /** Send an idle with new playlist. **/ |
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| 146 | private function playlistHandler(evt:ControllerEvent):void { |
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| 147 | thumbLoader(); |
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| 148 | }; |
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| 149 | |
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| 150 | |
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| 151 | /** Toggle the playback quality. **/ |
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| 152 | private function qualityHandler(evt:ControllerEvent):void { |
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| 153 | if(currentModel) { |
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| 154 | models[currentModel].quality(evt.data.state); |
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| 155 | } |
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| 156 | }; |
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| 157 | |
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| 158 | |
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| 159 | /** Resize the media and thumb. **/ |
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| 160 | private function resizeHandler(evt:Event=null):void { |
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| 161 | var cfg:Object = sploader.getPluginConfig(sploader.getPlugin('display')); |
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| 162 | Stretcher.stretch(skin.display.media,cfg['width'],cfg['height'],config['stretching']); |
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| 163 | if(thumb.content) { |
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| 164 | Stretcher.stretch(thumb,cfg['width'],cfg['height'],config['stretching']); |
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| 165 | } |
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| 166 | }; |
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| 167 | |
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| 168 | |
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| 169 | /** Seek inside a file. **/ |
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| 170 | private function seekHandler(evt:ControllerEvent):void { |
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| 171 | if(currentModel) { |
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| 172 | models[currentModel].seek(evt.data.position); |
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| 173 | } |
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| 174 | }; |
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| 175 | |
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| 176 | |
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| 177 | /** Load the configuration array. **/ |
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| 178 | private function stopHandler(evt:ControllerEvent=undefined):void { |
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| 179 | if(currentModel) { |
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| 180 | models[currentModel].stop(); |
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| 181 | } |
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| 182 | sendEvent(ModelEvent.STATE,{newstate:ModelStates.IDLE}); |
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| 183 | }; |
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| 184 | |
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| 185 | |
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| 186 | /** Dispatch events. State switch is saved. **/ |
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| 187 | public function sendEvent(typ:String,dat:Object):void { |
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| 188 | switch(typ) { |
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| 189 | case ModelEvent.STATE: |
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| 190 | dat['oldstate'] = config['state']; |
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| 191 | config['state'] = dat.newstate; |
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| 192 | dispatchEvent(new ModelEvent(typ,dat)); |
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| 193 | switch(dat['newstate']) { |
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| 194 | case ModelStates.IDLE: |
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| 195 | case ModelStates.COMPLETED: |
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| 196 | thumb.visible = true; |
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| 197 | skin.display.media.visible = false; |
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| 198 | if(playlist) { |
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| 199 | sendEvent(ModelEvent.TIME,{position:0,duration:playlist[config['item']]['duration']}); |
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| 200 | } |
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| 201 | break; |
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| 202 | case ModelStates.PLAYING: |
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| 203 | var ext:String = playlist[config['item']]['file'].substr(-3); |
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| 204 | if(ext != 'aac' && ext != 'mp3' && ext != 'm4a') { |
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| 205 | thumb.visible = false; |
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| 206 | skin.display.media.visible = true; |
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| 207 | } else { |
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| 208 | thumb.visible = true; |
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| 209 | skin.display.media.visible = false; |
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| 210 | } |
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| 211 | break; |
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| 212 | } |
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| 213 | break; |
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| 214 | case ModelEvent.TIME: |
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| 215 | dat['duration'] = playlist[config['item']]['duration']; |
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| 216 | if(dat['duration'] > 0 && dat['duration'] < dat['position']) { |
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| 217 | models[currentModel].pause(); |
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| 218 | sendEvent(ModelEvent.STATE,{newstate:ModelStates.COMPLETED}); |
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| 219 | } else { |
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| 220 | dispatchEvent(new ModelEvent(typ,dat)); |
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| 221 | } |
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| 222 | break; |
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| 223 | |
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| 224 | case ModelEvent.ERROR: |
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| 225 | models[currentModel].stop(); |
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| 226 | sendEvent(ModelEvent.STATE,{newstate:ModelStates.IDLE}); |
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| 227 | dispatchEvent(new ModelEvent(typ,dat)); |
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| 228 | break; |
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| 229 | case ModelEvent.META: |
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| 230 | if(dat.width) { resizeHandler(); } |
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| 231 | default: |
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| 232 | dispatchEvent(new ModelEvent(typ,dat)); |
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| 233 | break; |
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| 234 | } |
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| 235 | }; |
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| 236 | |
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| 237 | |
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| 238 | /** Load a thumb on stage. **/ |
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| 239 | private function thumbLoader():void { |
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| 240 | var img:String = playlist[config['item']]['image']; |
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| 241 | if(img && img != image) { |
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| 242 | image = img; |
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| 243 | thumb.load(new URLRequest(img),new LoaderContext(true)); |
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| 244 | } |
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| 245 | }; |
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| 246 | |
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| 247 | |
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| 248 | /** Load the configuration array. **/ |
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| 249 | private function volumeHandler(evt:ControllerEvent):void { |
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| 250 | if(currentModel) { |
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| 251 | models[currentModel].volume(evt.data.percentage); |
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| 252 | } |
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| 253 | }; |
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| 254 | |
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| 255 | |
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| 256 | /** Getter for the playlist **/ |
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| 257 | public function get playlist():Array { |
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| 258 | return controller.playlist; |
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| 259 | }; |
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| 260 | |
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| 261 | |
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| 262 | } |
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| 263 | |
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| 264 | |
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| 265 | } |
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