0.6.x/js/06_net/00_XNet.js

   1 // TODO  onlineevent offlineevent, netspeed\r
   2 // local への通信に対しては、netspeed を更新しない\r
   3 \r
   4 // http://bugs.jquery.com/ticket/2709\r
   5 // <head><base> がある場合、<script>の追加に失敗する\r
   6 X.Net = {\r
   7 \r
   8         xhrGet : function( url, type ){\r
   9                 return new X_NET_Queue( X_NET_TYPE_XHR, { method : 'GET', url : url, type : type } );\r
  10         },\r
  11         \r
  12         xhrPost : function( url, type, postbody ){\r
  13                 return new X_NET_Queue( X_NET_TYPE_XHR, { method : 'POST', url : url, type : type, postbody : postbody } );\r
  14         },\r
  15         \r
  16         formGet : function(){\r
  17                 \r
  18         },\r
  19         \r
  20         formPost : function(){\r
  21                 \r
  22         },\r
  23         \r
  24         // TODO chashe\r
  25         // TODO iframe useful or not. TODO dynamicIframe\r
  26         // TODO file: では　http: は使えない\r
  27         jsonp : function( url, useIframe ){\r
  28                 return new X_NET_Queue( X_NET_TYPE_JSONP, url );\r
  29         },\r
  30         \r
  31         image : function( url, needSize, delay, timeout ){\r
  32                 return new X_NET_Queue( X_NET_TYPE_IMAGE, { url : url, needSize : needSize } );\r
  33         },\r
  34         \r
  35         // <script>, <link>\r
  36         \r
  37         amountQueue : function(){\r
  38                 return X_NET_QUEUE_LIST.length;\r
  39         }\r
  40 \r
  41 };\r
  42 \r
  43 /*\r
  44  * @interface\r
  45  */\r
  46 var X_NET_IWrapper = function(){};\r
  47         X_NET_IWrapper.prototype.load   = function(){};\r
  48         X_NET_IWrapper.prototype.cancel = function(){};\r
  49         X_NET_IWrapper.prototype.reset  = function(){};\r
  50 \r
  51 \r
  52 var X_NET_TYPE_XHR   = 1,\r
  53         X_NET_TYPE_JSONP = 2,\r
  54         X_NET_TYPE_FORM  = 3,\r
  55         X_NET_TYPE_IMAGE = 4,\r
  56 \r
  57         X_NET_QUEUE_LIST = [],\r
  58 \r
  59         X_NET_XHRWrapper,\r
  60         X_NET_JSONPWrapper,\r
  61         X_NET_FormWrapper,\r
  62         X_NET_ImageWrapper,\r
  63 \r
  64         X_NET_currentWrapper,\r
  65         X_NET_currentQueue,\r
  66 \r
  67         X_NET_Queue = X.EventDispatcher.inherits(\r
  68                 'XNetQueue',\r
  69                 X.Class.POOL_OBJECT,\r
  70                 {\r
  71                         type : 0,\r
  72                         data : null,\r
  73                         \r
  74                         Constructor : function( type, data ){\r
  75                                 this.type = type;\r
  76                                 this.data = data;                               \r
  77                                 \r
  78                                 //this.listenOnce( X_Event.COMPLETE, X_NET_proxyDispatch );\r
  79                                 X_EventDispatcher_systemListen( this, X_Event.COMPLETE, X_NET_proxyDispatch );\r
  80                                 \r
  81                                 X_NET_QUEUE_LIST[ X_NET_QUEUE_LIST.length ] = this;\r
  82                                 !X_NET_currentQueue && X_NET_shiftQueue();\r
  83                         },\r
  84                         \r
  85                         busy : function(){\r
  86                                 return this === X_NET_currentQueue && X_NET_currentWrapper._busy;\r
  87                         },\r
  88                         \r
  89                         cancel : function(){\r
  90                                 var i = X_NET_QUEUE_LIST.indexOf( this );\r
  91                                 if( i !== -1 ){\r
  92                                         X_NET_QUEUE_LIST.splice( i, 1 );\r
  93                                         this.asyncDispatch( X_Event.CANCELED );\r
  94                                         this.asyncDispatch( 16, X_Event.COMPLETE );\r
  95                                 } else\r
  96                                 if( this === X_NET_currentQueue ){\r
  97                                         X_NET_currentWrapper.cancel();\r
  98                                 };\r
  99                         }\r
 100                 }\r
 101         );\r
 102 \r
 103 function X_NET_proxyDispatch( e ){\r
 104         switch( e.type ){\r
 105                 case X_Event.BEFORE_KILL_INSTANCE :\r
 106                         break;\r
 107                 case X_Event.KILL_INSTANCE :\r
 108                         break;                  \r
 109                 case X_Event.KILL_INSTANCE_CANCELED :\r
 110                         break;\r
 111                 case X_Event.PROGRESS :\r
 112                         this.dispatch( e );\r
 113                         break;\r
 114                 case X_Event.SUCCESS :\r
 115                 case X_Event.ERROR :\r
 116                 case X_Event.TIMEOUT :\r
 117                 case X_Event.CANCELED :\r
 118                         this.dispatch( e );\r
 119                         this.asyncDispatch( X_Event.COMPLETE );\r
 120                         break;\r
 121                 case X_Event.COMPLETE :\r
 122                         this.kill();\r
 123                         X_NET_shiftQueue();\r
 124                         break;\r
 125         };\r
 126 };\r
 127 \r
 128 function X_NET_shiftQueue(){\r
 129         var queue;\r
 130         \r
 131         if( X_NET_currentQueue ){\r
 132                 console.log( 'X_NET_shiftQueue ' + X_NET_currentWrapper._busy );\r
 133                 if( X_NET_currentWrapper._busy ) return;\r
 134                 X_NET_currentWrapper\r
 135                         .unlisten( [ X_Event.PROGRESS, X_Event.SUCCESS, X_Event.ERROR, X_Event.TIMEOUT, X_Event.CANCELED ], X_NET_currentQueue, X_NET_proxyDispatch )\r
 136                         .reset();\r
 137                 X_NET_currentQueue = X_NET_currentWrapper = null;\r
 138         };\r
 139         \r
 140         if( !X_NET_QUEUE_LIST.length ) return;\r
 141 \r
 142         queue = X_NET_QUEUE_LIST.shift();\r
 143         \r
 144         switch( queue.type ){\r
 145                 case X_NET_TYPE_XHR :\r
 146                         X_NET_currentWrapper = X_NET_XHRWrapper;\r
 147                         break;\r
 148                 case X_NET_TYPE_JSONP :\r
 149                         X_NET_currentWrapper = X_NET_JSONPWrapper;\r
 150                         break;\r
 151                 case X_NET_TYPE_FORM :\r
 152                         X_NET_currentWrapper = X_NET_FormWrapper;\r
 153                         break;\r
 154                 case X_NET_TYPE_IMAGE :\r
 155                         X_NET_currentWrapper = X_NET_ImageWrapper;\r
 156                         break;\r
 157         };\r
 158         \r
 159         X_NET_currentWrapper.listen( [ X_Event.PROGRESS, X_Event.SUCCESS, X_Event.ERROR, X_Event.TIMEOUT, X_Event.CANCELED ], X_NET_currentQueue = queue, X_NET_proxyDispatch );\r
 160         \r
 161         X_NET_currentWrapper.load( queue.data );\r
 162 };\r
 163 \r