0.6.x/js/07_audio/05_XWMPAudio.js

   1 // https://msdn.microsoft.com/ja-jp/library/cc410695.aspx
   2 // Windows Media Player コントロール Version 6.4
   3
   4 // http://www.tohoho-web.com/wwwmmd2.htm
   5
   6 // http://devedge.primedirective.net/viewsource/2003/windows-media-in-netscape/index.html
   7
   8 var X_WMPAudio;
   9
  10 if( X_Pulgin_WMP_VERSION ){ // IETester で 6.x は不可
  11         X_WMPAudio = X_AudioBase[ 'inherits' ](
  12                 'X.WMPAudio',
  13                 X_Class.POOL_OBJECT,
  14                 {
  15                 xnodeObject     : null,
  16                 wmp             : null,
  17                 _wmp            : null,
  18                 // 0 : no <object>
  19                 // 1 : loading
  20                 // 2 : loaded
  21                 _readyState     : 0,
  22                 _seekDirection  : 0,
  23                         _timerID        : 0,
  24
  25                         'Constructor' : function( disatcher, source, option ){
  26                                 this.disatcher   = disatcher || this;
  27                                 this._source     = source;
  28
  29                                 if( 7 <= X_Pulgin_WMP_VERSION ){
  30                                 this.xnodeObject = X_Node_systemNode[ 'create' ]( 'object', {
  31                                                         'classID' : 'CLSID:6BF52A52-394A-11d3-B153-00C04F79FAA6',
  32                                                         width     : 1,
  33                                                         height    : 1
  34                                                 })[ 'html' ](
  35                                                         X_UA[ 'IE55' ] ? '' : '<param name="uiMode" value="none">'
  36                                                         //+ '<param name="URL" value="' + source + '">'
  37                                                         //+ '<param name="AutoStart" value="' + option.autoplay + '">'
  38                                                 );
  39                                 } else {
  40                                 this.xnodeObject = X_Node_systemNode[ 'create' ]( 'object', {
  41                                                         classID  : 'CLSID:22D6F312-B0F6-11D0-94AB-0080C74C7E95',
  42                                                         width    : 0,
  43                                                         height   : 0
  44                                                 })[ 'html' ](
  45                                                         X_UA[ 'IE55' ] ? '' : '<param name="ShowControls" value="false">'
  46                                                         //+ '<param name="FileName" value="' + source + '">'
  47                                                         //+ '<param name="AutoStart" value="' + option.autoplay + '">'
  48                                                 );
  49                                 };
  50                                 // TODO embed
  51
  52                                 this.setState( option );
  53
  54                                 X_ViewPort[ 'listenOnce' ]( X_EVENT_AFTER_UPDATE, this );
  55                                 this[ 'listenOnce' ]( X_EVENT_KILL_INSTANCE );
  56                         },
  57
  58                         handleEvent : function( e ){
  59                                 switch( e.type ){
  60                                         case X_EVENT_AFTER_UPDATE :
  61                                                 this._readyState = 1;
  62                                                 if( 7 <= X_Pulgin_WMP_VERSION ){
  63                                                         this._wmp          = this.xnodeObject[ '_rawObject' ];
  64                                                         this._wmp[ 'URL' ] = this._source;
  65                                                         this.wmp           = this._wmp[ 'controls' ];
  66                                                 } else {
  67                                                         this.wmp = this.xnodeObject[ '_rawObject' ];
  68                                                         this.wmp[ 'FileName' ] = this._source;
  69                                                 };
  70                                                 this._timerID = X_Timer_add( 100, 0, this, this._onTimer );
  71                                                 break;
  72
  73                                         case X_EVENT_KILL_INSTANCE :
  74                                                 this.playing && this.disatcher[ 'dispatch' ]( X_EVENT_MEDIA_ENDED );
  75                                                 this.playing && this.actualPause();
  76                                             this.wmp.stop();
  77                                                 this.xnodeObject[ 'kill' ]();
  78                                                 break;
  79                                 };
  80                         },
  81
  82                         // WMPAudio.play
  83                         actualPlay : function(){
  84                                 var begin, offset, end;
  85
  86                                 if( this._readyState < 2 ){
  87                                         this._playReserved = true;
  88                                         return;
  89                                 };
  90
  91                                 end   = X_Audio_getEndTime( this );
  92                                 begin = this._beginTime = X_Audio_getStartTime( this, end, true ) | 0;
  93
  94                             console.log( '[play] ' + begin + ' -> ' + end );
  95
  96                             if( !this.playing ){
  97                                         this.setVolume();
  98                                         this.wmp.play();
  99
 100                             this.playing = true;
 101                             } else {
 102                                 this._seekDirection = this.getActualCurrentTime() < begin ? 1 : -1;
 103                             };
 104
 105                                 // 1 秒以下は指定できないため四捨五入
 106                                 //begin = ( begin / 1000 | 0 ) * 1000 + ( 500 < begin % 1000 ? 1000 : 0 );
 107                             this.wmp[ 'CurrentPosition' ] = begin / 1000;
 108
 109                                 if( !this._timerID ) this._timerID = X_Timer_add( 100, 0, this, this._onTimer );
 110                         },
 111
 112                                 _onTimer : function(){
 113                                         var progress, time;
 114
 115                                         // road 中の場合
 116                                         if( this._readyState === 1 ){
 117                                                 if( 7 <= X_Pulgin_WMP_VERSION ){
 118                                                 progress = this._wmp[ 'network' ][ 'downloadProgress' ];
 119                                                 } else {
 120                                                 progress = this.wmp[ 'BufferingProgress' ];
 121                                                 };
 122                                                 if( progress < 100 ){
 123                                                         this.disatcher[ 'dispatch' ]( { type : X_EVENT_PROGRESS, 'percent' : progress } );
 124                                                 } else {
 125                                                         this._readyState = 2;
 126                                                         if( 7 <= X_Pulgin_WMP_VERSION ){
 127                                                         this.duration = this._wmp[ 'currentMedia' ].duration * 1000 | 0;
 128                                                         } else {
 129                                                         this.duration = this.wmp[ 'Duration' ] * 1000 | 0;
 130                                                         };
 131                                                         this.disatcher[ 'dispatch' ]( X_EVENT_READY );
 132                                                 };
 133                                         } else
 134                                         // ended の判定
 135                             if( this.playing ){
 136                                 time = this.getActualCurrentTime();
 137
 138                                 // waiting
 139                                 if( this._seekDirection ){
 140                                         if( this._seekDirection === 1 ? ( time < this._beginTime ) : ( this._lastCurrentTime <= time ) ){
 141                                                 this.disatcher[ 'dispatch' ]( X_EVENT_MEDIA_SEEKING );
 142                                                 return;
 143                                         };
 144                                         delete this._seekDirection;
 145                                 };
 146                                 if( time === this._lastCurrentTime ){
 147                                         this.disatcher[ 'dispatch' ]( X_EVENT_MEDIA_WAITING );
 148                                         return;
 149                                 };
 150                                 this._lastCurrentTime = time;
 151
 152                                 // ended ではない
 153                                 if( time - X_Audio_getEndTime( this ) < -50 ){
 154                                         this.disatcher[ 'dispatch' ]( X_EVENT_MEDIA_PLAYING );
 155                                         return;
 156                                 };
 157
 158                                 // ended
 159                                 if( this.autoLoop ){
 160                                         if( !( this.disatcher[ 'dispatch' ]( X_EVENT_MEDIA_BEFORE_LOOP ) & X_CALLBACK_PREVENT_DEFAULT ) ){
 161                                                 this.looped = true;
 162                                                 this.disatcher[ 'dispatch' ]( X_EVENT_MEDIA_LOOPED );
 163                                                 this.actualPlay();
 164                                         };
 165                                 } else {
 166                                         this.actualPause();
 167                                         this.disatcher[ 'dispatch' ]( X_EVENT_MEDIA_ENDED );
 168                                         delete this._timerID;
 169                                                         return X_CALLBACK_UN_LISTEN;
 170                                 };
 171                             };
 172                                 },
 173
 174                         // WMPAudio.pause
 175                         actualPause : function(){
 176                                 this.playing  = false;
 177                                 this._timerID && X_Timer_remove( this._timerID );
 178                                 delete this._timerID;
 179
 180                             this.wmp.pause();
 181                         },
 182
 183                         setVolume : function(){
 184                                 if( 7 <= X_Pulgin_WMP_VERSION ){
 185                                 this._wmp[ 'settings' ][ 'Volume' ] = this.gain * 100;
 186                                 } else {
 187                                 this.wmp[ 'Volume' ] = ( 1 - this.gain ) * 10000;
 188                                 };
 189                         },
 190
 191                         getActualCurrentTime : function(){
 192                             return this.wmp[ 'CurrentPosition' ] * 1000 | 0;
 193                         },
 194
 195                         afterUpdateState : function( result ){
 196                                 if( result & 3 ){ // seek
 197                         this.actualPlay();
 198                                 } else
 199                                 if( result & 4 ){
 200                                         this.setVolume();
 201                                 };
 202                         }
 203
 204                 }
 205         );
 206
 207         X_Audio_BACKENDS.push( {
 208                 backendID   : 16,
 209
 210                 backendName : 'WMP' + X_Pulgin_WMP_VERSION,
 211
 212                 canPlay : {
 213                         'mp3'  : true,
 214                         'm4a'  : true,
 215                         'wma'  : true,
 216                         'wav'  : true,
 217                         'mid'  : true,
 218                         'midi' : true,
 219                         'snd'  : true,
 220                         'au'   : true,
 221                         'aif'  : true,
 222                         'aiff' : true,
 223                         'aicf' : true
 224                 },
 225
 226                 detect : function( proxy, source, ext ){
 227                         proxy[ 'asyncDispatch' ]( { type : X_EVENT_COMPLETE, canPlay : 0 <= 'mp3 m4a wma wav midi snd au aiff aicf'.indexOf( ext ) } );
 228                 },
 229
 230                 klass : X_WMPAudio
 231
 232         } );
 233
 234 };