0.6.x/js/05_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         // <script>, <link>\r
  32         \r
  33         amountQueue : function(){\r
  34                 return X_NET_QUEUE_LIST.length;\r
  35         }\r
  36 \r
  37 };\r
  38 \r
  39 \r
  40 var X_NET_IWrapper = function(){};\r
  41         X_NET_IWrapper.prototype.load   = function(){};\r
  42         X_NET_IWrapper.prototype.cancel = function(){};\r
  43         X_NET_IWrapper.prototype.reset  = function(){};\r
  44 \r
  45 \r
  46 var X_NET_TYPE_XHR   = 1,\r
  47         X_NET_TYPE_JSONP = 2,\r
  48         X_NET_TYPE_FORM  = 3,\r
  49         X_NET_TYPE_IMAGE = 4,\r
  50 \r
  51         X_NET_QUEUE_LIST = [],\r
  52 \r
  53         X_NET_XHRWrapper,\r
  54         X_NET_JSONPWrapper,\r
  55         X_NET_FormWrapper,\r
  56         X_NET_ImageWrapper,\r
  57 \r
  58         X_NET_currentWrapper,\r
  59         X_NET_currentQueue,\r
  60 \r
  61         X_NET_Queue = X.EventDispatcher.inherits(\r
  62                 'XNetQueue',\r
  63                 X.Class.POOL_OBJECT,\r
  64                 {\r
  65                         type : 0,\r
  66                         data : null,\r
  67                         \r
  68                         Constructor : function( type, data ){\r
  69                                 this.type = type;\r
  70                                 this.data = data;                               \r
  71                                 \r
  72                                 this.listen( X.Event.COMPLETE, X_NET_proxyDispatch );\r
  73                                 \r
  74                                 X_NET_QUEUE_LIST[ X_NET_QUEUE_LIST.length ] = this;\r
  75                                 !X_NET_currentQueue && X_NET_shiftQueue();\r
  76                         },\r
  77                         \r
  78                         busy : function(){\r
  79                                 return this === X_NET_currentQueue && X_NET_currentWrapper._busy;\r
  80                         },\r
  81                         \r
  82                         cancel : function(){\r
  83                                 var i = X_NET_QUEUE_LIST.indexOf( this );\r
  84                                 if( i !== -1 ){\r
  85                                         X_NET_QUEUE_LIST.splice( i, 1 );\r
  86                                         this.asyncDispatch( 0, { type : X.Event.CANCELED } );\r
  87                                 } else\r
  88                                 if( this === X_NET_currentQueue ){\r
  89                                         X_NET_currentWrapper.cancel();\r
  90                                 };\r
  91                         }\r
  92                 }\r
  93         );\r
  94 \r
  95 function X_NET_proxyDispatch( e ){\r
  96         switch( e.type ){\r
  97                 case X.Event.BEFORE_KILL_INSTANCE :\r
  98                         break;\r
  99                 case X.Event.KILL_INSTANCE :\r
 100                         break;                  \r
 101                 case X.Event.KILL_INSTANCE_CANCELED :\r
 102                         break;\r
 103                 case X.Event.PROGRESS :\r
 104                         console.log( 'q: ' + e.type );\r
 105                         this.dispatch( e );\r
 106                         break;\r
 107                 case X.Event.SUCCESS :\r
 108                 case X.Event.ERROR :\r
 109                 case X.Event.TIMEOUT :\r
 110                 case X.Event.CANCELED :\r
 111                         console.log( 'q: ' + e.type );\r
 112                         this.dispatch( e );\r
 113                         this.asyncDispatch( 0, { type : X.Event.COMPLETE } );\r
 114                         break;\r
 115                 case X.Event.COMPLETE :\r
 116                         console.log( 'complete. then kill()' );\r
 117                         this.kill();\r
 118                         X_NET_shiftQueue();\r
 119                         break;          \r
 120         };\r
 121 };\r
 122 \r
 123 function X_NET_shiftQueue(){\r
 124         var queue;\r
 125         \r
 126         if( X_NET_currentQueue ){\r
 127                 if( X_NET_currentWrapper._busy ) return;\r
 128                 X_NET_currentWrapper\r
 129                         .unlisten( [ X.Event.PROGRESS, X.Event.SUCCESS, X.Event.ERROR, X.Event.TIMEOUT ], X_NET_currentQueue, X_NET_proxyDispatch )\r
 130                         .reset();\r
 131                 X_NET_currentQueue = X_NET_currentWrapper = null;\r
 132         };\r
 133         \r
 134         if( !X_NET_QUEUE_LIST.length ) return;\r
 135 \r
 136         queue = X_NET_QUEUE_LIST.shift();\r
 137         \r
 138         switch( queue.type ){\r
 139                 case X_NET_TYPE_XHR :\r
 140                         X_NET_currentWrapper = X_NET_XHRWrapper;\r
 141                         break;\r
 142                 case X_NET_TYPE_JSONP :\r
 143                         X_NET_currentWrapper = X_NET_JSONPWrapper;\r
 144                         break;\r
 145                 case X_NET_TYPE_FORM :\r
 146                         X_NET_currentWrapper = X_NET_FormWrapper;\r
 147                         break;\r
 148                 case X_NET_TYPE_IMAGE :\r
 149                         X_NET_currentWrapper = X_NET_ImageWrapper;\r
 150                         break;\r
 151         };\r
 152         \r
 153         X_NET_currentWrapper.listen( [X.Event.PROGRESS, X.Event.SUCCESS, X.Event.ERROR, X.Event.TIMEOUT ], X_NET_currentQueue = queue, X_NET_proxyDispatch );\r
 154         \r
 155         X_NET_currentWrapper.load( queue.data );\r
 156 };\r
 157 \r