0.6.x/js/04_net/00_XNet.js

   1 // TODO  onlineevent offlineevent, netspeed\r
   2 X.Net = {\r
   3 \r
   4         xhrGet : function( url ){\r
   5                 return new X_NET_Queue( X_NET_TYPE_XHR, { method : 'GET', url : url } );\r
   6         },\r
   7         \r
   8         xhrPost : function( url, data ){\r
   9                 return new X_NET_Queue( X_NET_TYPE_XHR, { method : 'POST', url : url, postbody : postbody } );\r
  10         },\r
  11         \r
  12         formGet : function(){\r
  13                 \r
  14         },\r
  15         \r
  16         formPost : function(){\r
  17                 \r
  18         },\r
  19         \r
  20         // TODO chashe\r
  21         // TODO iframe useful or not.\r
  22         // TODO file: では　http: は使えない\r
  23         jsonp : function( url, useIframe ){\r
  24                 return new X_NET_Queue( X_NET_TYPE_JSONP, url );\r
  25         },\r
  26         \r
  27         image : function( url, needSize, useIframe ){\r
  28                 return new X_NET_Queue( X_NET_TYPE_IMAGE, url );\r
  29         },\r
  30         \r
  31         amountQueue : function(){\r
  32                 return X_NET_QUEUE_LIST.length;\r
  33         }\r
  34 \r
  35 };\r
  36 \r
  37 \r
  38 var X_NET_IWrapper = function(){};\r
  39         X_NET_IWrapper.prototype.load   = function(){};\r
  40         X_NET_IWrapper.prototype.cancel = function(){};\r
  41         X_NET_IWrapper.prototype.reset  = function(){};\r
  42 \r
  43 \r
  44 var X_NET_TYPE_XHR   = 1,\r
  45         X_NET_TYPE_JSONP = 2,\r
  46         X_NET_TYPE_FORM  = 3,\r
  47         X_NET_TYPE_IMAGE = 4,\r
  48 \r
  49         X_NET_QUEUE_LIST = [],\r
  50 \r
  51         X_NET_XHRWrapper,\r
  52         X_NET_JSONPWrapper,\r
  53         X_NET_FormWrapper,\r
  54         X_NET_ImageWrapper,\r
  55 \r
  56         X_NET_currentWrapper,\r
  57         X_NET_currentQueue,\r
  58 \r
  59         X_NET_Queue = X.EventDispatcher.inherits(\r
  60                 'XNetQueue',\r
  61                 X.Class.POOL_OBJECT,\r
  62                 {\r
  63                         type : 0,\r
  64                         data : null,\r
  65                         \r
  66                         Constructor : function( type, data ){\r
  67                                 this.type = type;\r
  68                                 this.data = data;                               \r
  69                                 \r
  70                                 this.listen( X.Event.COMPLETE, X_NET_proxyDispatch );\r
  71                                 \r
  72                                 X_NET_QUEUE_LIST[ X_NET_QUEUE_LIST.length ] = this;\r
  73                                 !X_NET_currentQueue && X_NET_shiftQueue();\r
  74                         },\r
  75                         \r
  76                         busy : function(){\r
  77                                 return this === X_NET_currentQueue && X_NET_currentWrapper._busy;\r
  78                         },\r
  79                         \r
  80                         cancel : function(){\r
  81                                 var i = X_NET_QUEUE_LIST.indexOf( this );\r
  82                                 if( i !== -1 ){\r
  83                                         X_NET_QUEUE_LIST.splice( i, 1 );\r
  84                                         this.asyncDispatch( 0, { type : X.Event.CANCELED } );\r
  85                                 } else\r
  86                                 if( this === X_NET_currentQueue ){\r
  87                                         X_NET_currentWrapper.cancel();\r
  88                                 };\r
  89                         }\r
  90                 }\r
  91         );\r
  92 \r
  93 function X_NET_proxyDispatch( e ){\r
  94         switch( e.type ){\r
  95                 case X.Event.BEFORE_KILL_INSTANCE :\r
  96                         break;\r
  97                 case X.Event.KILL_INSTANCE :\r
  98                         break;                  \r
  99                 case X.Event.KILL_INSTANCE_CANCELED :\r
 100                         break;\r
 101                 case X.Event.PROGRESS :\r
 102                         console.log( 'q: ' + e.type );\r
 103                         this.dispatch( e );\r
 104                         break;\r
 105                 case X.Event.SUCCESS :\r
 106                 case X.Event.ERROR :\r
 107                 case X.Event.TIMEOUT :\r
 108                 case X.Event.CANCELED :\r
 109                         console.log( 'q: ' + e.type );\r
 110                         this.dispatch( e );\r
 111                         this.asyncDispatch( 0, { type : X.Event.COMPLETE } );\r
 112                         break;\r
 113                 case X.Event.COMPLETE :\r
 114                         console.log( 'complete. then kill()' );\r
 115                         this.kill();\r
 116                         X_NET_shiftQueue();\r
 117                         break;          \r
 118         };\r
 119 };\r
 120 \r
 121 function X_NET_shiftQueue(){\r
 122         var queue;\r
 123         \r
 124         if( X_NET_currentQueue ){\r
 125                 if( X_NET_currentWrapper._busy ) return;\r
 126                 X_NET_currentWrapper\r
 127                         .unlisten( [ X.Event.PROGRESS, X.Event.SUCCESS, X.Event.ERROR, X.Event.TIMEOUT ], X_NET_currentQueue, X_NET_proxyDispatch )\r
 128                         .reset();\r
 129                 X_NET_currentQueue = X_NET_currentWrapper = null;\r
 130         };\r
 131         \r
 132         if( !X_NET_QUEUE_LIST.length ) return;\r
 133 \r
 134         queue = X_NET_QUEUE_LIST.shift();\r
 135         \r
 136         switch( queue.type ){\r
 137                 case X_NET_TYPE_XHR :\r
 138                         X_NET_currentWrapper = X_NET_XHRWrapper;\r
 139                         break;\r
 140                 case X_NET_TYPE_JSONP :\r
 141                         X_NET_currentWrapper = X_NET_JSONPWrapper;\r
 142                         break;\r
 143                 case X_NET_TYPE_FORM :\r
 144                         X_NET_currentWrapper = X_NET_FormWrapper;\r
 145                         break;\r
 146                 case X_NET_TYPE_IMAGE :\r
 147                         X_NET_currentWrapper = X_NET_ImageWrapper;\r
 148                         break;\r
 149         };\r
 150         \r
 151         X_NET_currentWrapper.listen( [X.Event.PROGRESS, X.Event.SUCCESS, X.Event.ERROR, X.Event.TIMEOUT ], X_NET_currentQueue = queue, X_NET_proxyDispatch );\r
 152         \r
 153         X_NET_currentWrapper.load( queue.data );\r
 154 };\r
 155 \r