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 \r
   7 /**\r
   8  * cancel(), busy() メソッドだけを持つ。X.Pair によって、プライベートメンバは隠蔽される。X_EVENT_PROGRESS, X_EVENT_SUCCESS, X_EVENT_ERROR, X_EVENT_TIMEOUT, X_EVENT_CANCELED\r
   9  * \r
  10  * @alias X.Net\r
  11  * @class 各種ネットワーク機能をラップしインターフェイスを共通化する。\r
  12  * @constructs Net\r
  13  * @extends {EventDispatcher}\r
  14  * @example // XHR - GET\r
  15  * var net = X.Net( { xhr : urlString } )\r
  16  *              .listenOnce( X.Event.PROGRESS );\r
  17  *              .listen( [ X.Event.SUCCESS, X.Event.ERROR, X.Event.TIMEOUT, X.Event.CANCELED ] );\r
  18  * \r
  19  * // XHR - POST \r
  20  * var net = X.Net( { xhr : urlString, postbody : myData } );\r
  21  * \r
  22  * // JSONP\r
  23  * var net = X.Net( { jsonp : urlString, staticCallbackName : callbackName, useXDomainWall : false } );\r
  24  * \r
  25  * // Image preload & getSize\r
  26  * var net = X.Net( { image : src, sizeDetection : true } );\r
  27  * \r
  28  * // load <script>, <link>\r
  29  */\r
  30 X[ 'Net' ] = X_EventDispatcher[ 'inherits' ](\r
  31                 'X.Net',\r
  32                 X_Class.NONE,\r
  33                 \r
  34                 {\r
  35                         'Constructor' : function( urlOrObject, opt_options ){\r
  36                                 var v, opt;\r
  37                                 \r
  38                                 if( X_Type_isObject( opt = urlOrObject ) ){\r
  39                                         if( v = opt[ 'xhr' ] ){\r
  40                                                 url  = v;\r
  41                                                 type = X_NET_TYPE_XHR;\r
  42                                         } else\r
  43                                         if( v = opt[ 'jsonp' ] ){\r
  44                                                 url  = v;\r
  45                                                 type = X_NET_TYPE_JSONP;\r
  46                                         } else\r
  47                                         if( v = opt[ 'img' ] || opt[ 'image' ] ){\r
  48                                                 url  = v;\r
  49                                                 type = X_NET_TYPE_IMAGE;\r
  50                                         } else\r
  51                                         if( v = opt[ 'form' ] ){\r
  52                                                 url  = v;\r
  53                                                 type = X_NET_TYPE_FORM;\r
  54                                         } else\r
  55                                         if( v = opt[ 'type' ] ){\r
  56 \r
  57                                                 switch( v ){\r
  58                                                         case 'xhr' :\r
  59                                                                 type = X_NET_TYPE_XHR;\r
  60                                                                 break;\r
  61                                                         case 'jsonp' :\r
  62                                                                 type = X_NET_TYPE_JSONP;\r
  63                                                                 break;\r
  64                                                         case 'img' :\r
  65                                                         case 'image' :\r
  66                                                                 type = X_NET_TYPE_IMAGE;\r
  67                                                                 break;\r
  68                                                         case 'from' :\r
  69                                                                 type = X_NET_TYPE_FORM;\r
  70                                                                 break;\r
  71                                                         default :\r
  72                                                                 alert( 'X.Net args error' );\r
  73                                                                 return; \r
  74                                                 };\r
  75                                                 \r
  76                                                 if( X_Type_isString( url = opt[ 'url' ] ) ){\r
  77                                                         alert( 'X.Net args error' );\r
  78                                                         return;\r
  79                                                 };\r
  80                                                 \r
  81                                         } else {\r
  82                                                 alert( 'X.Net args error' );\r
  83                                                 return;\r
  84                                         };\r
  85                                         \r
  86                                 } else\r
  87                                 if( X_Type_isString( urlOrObject ) ){\r
  88                                         url = urlOrObject;\r
  89                                         \r
  90                                         if( X_Type_isObject( opt = opt_options ) ){\r
  91                                                 type = opt[ 'type' ] || X_NET_TYPE_XHR;\r
  92                                         } else {\r
  93                                                 type = X_NET_TYPE_XHR;\r
  94                                                 opt  = { 'url' : url, 'method' : 'GET' };\r
  95                                         };\r
  96                                         \r
  97                                 } else {\r
  98                                         alert( 'X.Net args error' );\r
  99                                         return;\r
 100                                 };\r
 101                                 \r
 102                                 if( type === X_NET_TYPE_XHR ){\r
 103                                         opt[ 'method' ] = opt[ 'method' ] || ( opt[ 'postbody' ] ? 'POST' : 'GET' );\r
 104                                         \r
 105                                         // XDomain -> Flash, Gears, Silverlight に切替?\r
 106                                 };                              \r
 107                                 \r
 108                                 opt = X_Object_clone( opt );\r
 109                                 opt[ 'type' ] = type;\r
 110                                 opt[ 'url'  ] = url;\r
 111                                 \r
 112                                 X_Pair_create( this, opt );\r
 113                                 \r
 114                                 this[ 'listenOnce' ]( X_EVENT_COMPLETE, X_NET_proxyDispatch );\r
 115                                 \r
 116                                 X_NET_QUEUE_LIST[ X_NET_QUEUE_LIST.length ] = this;\r
 117                                 !X_NET_currentQueue && X_NET_shiftQueue();\r
 118                         },\r
 119                         \r
 120                 /**\r
 121                  * オブジェクトが現在通信中か？\r
 122                  * @alias Net.prototype.budy\r
 123                  * @return {boolean}\r
 124                  */\r
 125                         'busy' : function(){\r
 126                                 return this === X_NET_currentQueue && X_NET_currentWrapper._busy;\r
 127                         },\r
 128 \r
 129                 // TODO -> kill\r
 130                 /**\r
 131                  * 通信のキャンセル\r
 132                  * @alias Net.prototype.cancel\r
 133                  * @return {Net} 自身を返す、メソッドチェーン\r
 134                  */\r
 135                         'cancel' : function(){\r
 136                                 var i = X_NET_QUEUE_LIST.indexOf( this );\r
 137                                 if( i !== -1 ){\r
 138                                         X_NET_QUEUE_LIST.splice( i, 1 );\r
 139                                         this[ 'asyncDispatch' ]( X_EVENT_CANCELED );\r
 140                                         this[ 'asyncDispatch' ]( 16, X_EVENT_COMPLETE );\r
 141                                         // this[ 'listenOnce' ]( X_EVENT_COMPLETE, X_NET_proxyDispatch );\r
 142                                 } else\r
 143                                 if( this === X_NET_currentQueue ){\r
 144                                         X_NET_currentWrapper.cancel();\r
 145                                 };\r
 146                                 return this;\r
 147                         }\r
 148                 }\r
 149         );\r
 150 /*\r
 151  * @interface\r
 152  */\r
 153 var X_NET_IWrapper = function(){};\r
 154         X_NET_IWrapper.prototype.load   = function(){};\r
 155         X_NET_IWrapper.prototype.cancel = function(){};\r
 156         X_NET_IWrapper.prototype.reset  = function(){};\r
 157 \r
 158 \r
 159 var X_NET_TYPE_XHR   = 1,\r
 160         X_NET_TYPE_JSONP = 2,\r
 161         X_NET_TYPE_FORM  = 3,\r
 162         X_NET_TYPE_IMAGE = 4,\r
 163 \r
 164         X_NET_QUEUE_LIST = [],\r
 165 \r
 166         X_NET_XHRWrapper,\r
 167         X_NET_JSONPWrapper,\r
 168         X_NET_FormWrapper,\r
 169         X_NET_ImageWrapper,\r
 170         X_NET_GIMRWrapper,\r
 171 \r
 172         X_NET_currentWrapper,\r
 173         X_NET_currentQueue,\r
 174         X_NET_currentData;\r
 175 \r
 176 function X_NET_proxyDispatch( e ){\r
 177         switch( e.type ){\r
 178                 case X_EVENT_BEFORE_KILL_INSTANCE :\r
 179                         break;\r
 180                 case X_EVENT_KILL_INSTANCE :\r
 181                         break;                  \r
 182                 case X_EVENT_KILL_INSTANCE_CANCELED :\r
 183                         break;\r
 184                 case X_EVENT_PROGRESS :\r
 185                         this[ 'dispatch' ]( e );\r
 186                         break;\r
 187                 case X_EVENT_SUCCESS :\r
 188                 case X_EVENT_ERROR :\r
 189                 case X_EVENT_TIMEOUT :\r
 190                 case X_EVENT_CANCELED :\r
 191                         this[ 'dispatch' ]( e );\r
 192                         this[ 'asyncDispatch' ]( { type : X_EVENT_COMPLETE, 'lastEventType' : e.type } );\r
 193                         // this[ 'listenOnce' ]( X_EVENT_COMPLETE, X_NET_proxyDispatch );\r
 194                         break;\r
 195                 case X_EVENT_COMPLETE :\r
 196                         X_Pair_release( this );\r
 197                         this[ 'kill' ]();\r
 198                         X_NET_shiftQueue();\r
 199                         break;\r
 200         };\r
 201 };\r
 202 \r
 203 function X_NET_shiftQueue(){\r
 204 \r
 205         if( X_NET_currentQueue ){\r
 206                 console.log( 'X_NET_shiftQueue ' + X_NET_currentWrapper._busy );\r
 207                 if( X_NET_currentWrapper._busy ) return;\r
 208                 X_NET_currentWrapper\r
 209                         [ 'unlisten' ]( [ X_EVENT_PROGRESS, X_EVENT_SUCCESS, X_EVENT_ERROR, X_EVENT_TIMEOUT, X_EVENT_CANCELED ], X_NET_currentQueue, X_NET_proxyDispatch )\r
 210                         .reset();\r
 211                 X_NET_currentQueue = X_NET_currentWrapper = X_NET_currentData = null;\r
 212         };\r
 213         \r
 214         if( !X_NET_QUEUE_LIST.length ) return;\r
 215 \r
 216         X_NET_currentQueue = X_NET_QUEUE_LIST.shift();\r
 217         X_NET_currentData  = X_Pair_get( X_NET_currentQueue );\r
 218         \r
 219         switch( X_NET_currentData.type ){\r
 220                 case X_NET_TYPE_XHR :\r
 221                         X_NET_currentWrapper = X_NET_XHRWrapper   || X_TEMP.X_Net_XHR_init();\r
 222                         break;\r
 223                 case X_NET_TYPE_JSONP :\r
 224                         X_NET_currentWrapper = X_NET_JSONPWrapper || X_TEMP.X_NET_JSONP_init();\r
 225                         break;\r
 226                 case X_NET_TYPE_FORM :\r
 227                         X_NET_currentWrapper = X_NET_FormWrapper;\r
 228                         break;\r
 229                 case X_NET_TYPE_IMAGE :\r
 230                         X_NET_currentWrapper = X_NET_ImageWrapper || X_TEMP.X_NET_Image_init();\r
 231                         break;\r
 232                 case 5 :\r
 233                         X_NET_currentWrapper = X_NET_GIMRWrapper;\r
 234                         break;\r
 235         };\r
 236         \r
 237         X_NET_currentWrapper[ 'listen' ]( [ X_EVENT_PROGRESS, X_EVENT_SUCCESS, X_EVENT_ERROR, X_EVENT_TIMEOUT, X_EVENT_CANCELED ], X_NET_currentQueue, X_NET_proxyDispatch );\r
 238         \r
 239         X_NET_currentWrapper.load( X_NET_currentData );\r
 240 };\r
 241 \r