0.6.x/js/00_core/05_XTimer.js

   1 /**\r
   2  * use X.Callback\r
   3  */\r
   4 \r
   5 var _enterFrame =\r
   6                 window.requestAnimationFrame ||\r
   7                 window.webkitRequestAnimationFrame ||\r
   8                 window.mozRequestAnimationFrame ||\r
   9                 window.oRequestAnimationFrame ||\r
  10                 window.msRequestAnimationFrame ||\r
  11                 false,\r
  12         _cancelFrame =\r
  13                 window.cancelRequestAnimationFrame ||\r
  14                 window.webkitCancelAnimationFrame ||\r
  15                 window.webkitCancelRequestAnimationFrame ||\r
  16                 window.mozCancelRequestAnimationFrame ||\r
  17                 window.oCancelRequestAnimationFrame ||\r
  18                 window.msCancelRequestAnimationFrame ||\r
  19                 false;\r
  20 \r
  21 X.Timer = {\r
  22         INTERVAL_TIME  : 16,\r
  23         TICKET_LIST    : [],\r
  24         uid            : 0,\r
  25         timerId        : 0,\r
  26         endTime        : 0, // iOS\r
  27         next           : 0,\r
  28         busy           : false, // for Opera7\r
  29 \r
  30         REQ_FRAME_LIST : [],\r
  31         requestID      : 0,\r
  32         \r
  33         _loop : function(){\r
  34                 var next = X.Timer.next,\r
  35                         list = X.Timer.TICKET_LIST,\r
  36                         i    = list.length,\r
  37                         q, f, c, r;\r
  38                 \r
  39                 if( X.Timer.busy ){\r
  40                         alert( 'busy!' );\r
  41                 };\r
  42                 \r
  43                 X.Timer.busy = true;\r
  44                 \r
  45             for( ; i; ){\r
  46                 q = list[ --i ];\r
  47                         if( 0 < ( q.last -= next ) ) continue;\r
  48                         c = q.count;\r
  49                         \r
  50                         if( q.k ){\r
  51                                 q.a = [];\r
  52                                 r = X.Callback._proxyCallback( q );\r
  53                         } else {\r
  54                                 r = q.f();\r
  55                         };\r
  56                         \r
  57                         if( r & X.Callback.UN_LISTEN || c === 1 ){\r
  58                                 list.splice( i, 1 );\r
  59                                 //f.kill && f.kill();\r
  60                                 continue;\r
  61                         } else\r
  62                         if( 1 < c ) --q.count;\r
  63                         q.last = q.time;\r
  64             };\r
  65             X.Timer.timerId = 0;\r
  66             X.Timer.busy = false;\r
  67             X.Timer._update();  \r
  68         },\r
  69         _update : function(){\r
  70                 var list = X.Timer.TICKET_LIST,\r
  71                         i    = list.length,\r
  72                         n    = Infinity,\r
  73                         l;\r
  74                 if( i === 0 ){\r
  75                         X.Timer.timerId && window.clearTimeout( X.Timer.timerId );\r
  76                         X.Timer.timerId = 0;\r
  77                         return;\r
  78                 };\r
  79             for( ; i; ){\r
  80                 ( l = list[ --i ].last ) < n && ( n = l );\r
  81             };\r
  82             if( n < X.Timer.next || X.Timer.timerId === 0 ){\r
  83                 X.Timer.timerId && window.clearTimeout( X.Timer.timerId );\r
  84                 X.Timer.timerId = window.setTimeout( X.Timer._loop, X.Timer.INTERVAL_TIME * n );\r
  85                 X.Timer.endTime = X.getTime() + X.Timer.INTERVAL_TIME * n; // iOS\r
  86                 X.Timer.next = n;\r
  87             };\r
  88         },\r
  89         \r
  90         _onEnterFrame : function ( time ){\r
  91                 var list = X.Timer.REQ_FRAME_LIST,\r
  92                         i    = list.length,\r
  93                         q;\r
  94                 time = time || ( Date.now ? Date.now() : +new Date );\r
  95             for( ; i; ){\r
  96                 q = list[ --i ];\r
  97                 \r
  98                         if( q.k ){\r
  99                                 q.a = [ time ];\r
 100                                 X.Callback._proxyCallback( q );\r
 101                         } else {\r
 102                                 q.f( time );\r
 103                         };\r
 104                 //delete f.uid;\r
 105                 //f.kill && f.kill();\r
 106             };\r
 107             list.length = 0;\r
 108         },\r
 109         \r
 110         add : function( time, opt_count, args1, args2, args3 ){\r
 111                 var list = X.Timer.TICKET_LIST,\r
 112                         hash, obj;\r
 113                 time = time < X.Timer.INTERVAL_TIME ? 1 : time / X.Timer.INTERVAL_TIME | 0; // 正の数で使える「Math.floor(x)」を「(x | 0)」に;\r
 114                 \r
 115                 if( !X.Type.isNumber( opt_count ) ){\r
 116                         args3 = args2;\r
 117                         args2 = args1;\r
 118                         args1 = opt_count;\r
 119                         opt_count = 0;\r
 120                 };\r
 121                 \r
 122                 hash = X.Callback._classifyCallbackArgs( args1, args2, args3 );\r
 123                 if( !hash ) return -1; // dev only\r
 124                 \r
 125                 if( !hash.k ) hash = { f : hash };\r
 126                 hash.time  = time;\r
 127                 hash.last  = time;\r
 128                 hash.count = opt_count;\r
 129                 hash.uid   = ++X.Timer.uid;\r
 130                 list[ list.length ] = hash;\r
 131                 \r
 132             !X.Timer.busy && X.Timer._update();\r
 133             return X.Timer.uid;\r
 134         },\r
 135         once : function( time, args1, args2, args3 ){\r
 136                 return X.Timer.add( time, 1, args1, args2, args3 );\r
 137         },\r
 138         remove : function( uid ){\r
 139                 var list = X.Timer.TICKET_LIST,\r
 140                         i    = list.length,\r
 141                         l    = i,\r
 142                         f, q;\r
 143                 for( ; i; ){\r
 144                         // TODO\r
 145                         // fire 中の cancel\r
 146                         if( ( q = list[ --i ] ).uid === uid ){\r
 147                                 list.splice( i, 1 );\r
 148                                 //f = q.f;\r
 149                                 //f.kill && f.kill();\r
 150                                 !X.Timer.busy && ( /* q[ INDEX_COUNT ] <= next  || */ l === 1 ) && X.Timer._update();\r
 151                                 //q.length = 0;\r
 152                                 break;\r
 153                         };\r
 154                 };\r
 155         },\r
 156         \r
 157         requestFrame : _enterFrame ?\r
 158                 (function( args1, args2, args3 ){\r
 159                         var i = X.Timer.REQ_FRAME_LIST.length,\r
 160                                 f;\r
 161                         i === 0 && ( X.Timer.requestID = _enterFrame( X.Timer._onEnterFrame ) );\r
 162                         f = X.Timer.REQ_FRAME_LIST[ i ] = X.Callback._classifyCallbackArgs( args1, args2, args3 );\r
 163                         return f.uid = ++X.Timer.uid;\r
 164                 }) :\r
 165                 (function( args1, args2, args3 ){\r
 166                         var i = X.Timer.REQ_FRAME_LIST.length,\r
 167                                 f;\r
 168                         i === 0 && ( X.Timer.requestID = X.Timer.add( 0, 1, X.Timer._onEnterFrame ) );\r
 169                         f = X.Timer.REQ_FRAME_LIST[ i ] = X.Callback._classifyCallbackArgs( args1, args2, args3 );\r
 170                         return f.uid = ++X.Timer.uid;\r
 171                 }),\r
 172         \r
 173         cancelFrame : _cancelFrame ?\r
 174                 (function( uid ){\r
 175                         var list = X.Timer.REQ_FRAME_LIST,\r
 176                                 l    = list.length,\r
 177                                 i    = l,\r
 178                                 f;\r
 179                         for( ; i; ){\r
 180                                 if( ( f = list[ --i ] ).uid < uid ) break;\r
 181                                 if( f.uid === uid ){\r
 182                                         // TODO\r
 183                                         // fire 中の cancel\r
 184                                         list.splice( i, 1 );\r
 185                                         //delete f.uid;\r
 186                                         //f.kill && f.kill();\r
 187                                         l === 1 && _cancelFrame( X.Timer.requestID );\r
 188                                         break;\r
 189                                 };\r
 190                         };\r
 191                 }) :\r
 192                 (function( uid ){\r
 193                         var list = X.Timer.REQ_FRAME_LIST,\r
 194                                 l    = list.length,\r
 195                                 i    = l,\r
 196                                 f;\r
 197                         for( ; i; ){\r
 198                                 if( ( f = list[ --i ] ).uid < uid ) break;\r
 199                                 if( f.uid === uid ){\r
 200                                         list.splice( i, 1 );\r
 201                                         //delete f.uid;\r
 202                                         //f.kill && f.kill();\r
 203                                         l === 1 && X.Timer.remove( X.Timer.requestID );\r
 204                                         break;\r
 205                                 };\r
 206                         };\r
 207                 })\r
 208         \r
 209 };\r
 210 \r
 211 // http://havelog.ayumusato.com/develop/javascript/e528-ios6_scrolling_timer_notcall.html\r
 212 // iOS6 スクロール中のタイマー発火絡みのバグ備忘\r
 213 if( X.UA.iOS ){\r
 214         window.addEventListener( 'scroll', function(){\r
 215                 if( X.Timer.timerId ){\r
 216                         window.clearTimeout( X.Timer.timerId );\r
 217                         X.Timer.timerId = window.setTimeout( X.Timer._loop, Math.max( 0, X.Timer.endTime - X.getTime() ) );\r
 218                 };\r
 219         });\r
 220 };\r
 221 \r
 222 if( X.UA.IE < 5 || X.UA.MacIE ){\r
 223         X.Timer[ '_ie_loop' ] = X.Timer._loop;\r
 224         X.Timer._loop = 'X.Timer._ie_loop()';\r
 225 };\r
 226 \r
 227 console.log( 'X.Core.Timer' );\r