+//{+netimage"画像の読み込み監視"(Imageの読み込みを監視し画像表示のコントロールを行う)[+net,+utilimage]\r
/* \r
* original\r
* LICENSE: MIT?\r
* AUTHOR: uupaa.js@gmail.com\r
* \r
*/\r
-\r
-var X_Net_Image_hasImage = !!window[ 'Image' ],\r
- X_Net_Image_image = X_Net_Image_hasImage && new Image(),\r
+var X_ImgLoader_hasImage = !!window[ 'Image' ],\r
+ X_ImgLoader_image = X_ImgLoader_hasImage && new Image(),\r
// IE では厳密には HTMLImageElement ではなく、appendChild してもサイズが取れず、removeChild に失敗する\r
- X_Net_Image_isElement = !( X_UA[ 'IE' ] < 9 ) && X_Type_isHTMLElement( X_Net_Image_image );\r
- \r
-\r
-if( !X_Net_Image_hasImage ){\r
- alert( 'no Image!' );\r
-} else\r
-if( X_Net_Image_isElement ){\r
- //alert( 'X_Net_Image_isElement ' + X_Net_Image_isElement );\r
-};\r
+ X_ImgLoader_isElement = !( X_UA[ 'IE' ] < 9 ) && X_Type_isHTMLElement( X_ImgLoader_image );\r
\r
/*\r
* TODO\r
* new Image() のときに Image オブジェクトを作るもの(IE8-)と、HTMLImageElement を作るものがある。\r
* Image は、X.EventDispatcher で、<img> は X.Node で。 \r
- * \r
- * Opera7 では毎回 image を作る必要あり、src が異なればOK?\r
*/\r
-X_NET_ImageWrapper = X_Class_override(\r
- !X_Net_Image_isElement ? X_EventDispatcher( X_Net_Image_image ) : Node( X_Net_Image_image ),\r
- {\r
\r
+X_TEMP.X_ImgLoader_init = function(){\r
+ X_ImgLoader = X_Class_override(\r
+ X_ImgLoader_isElement ? Node( X_ImgLoader_image ) : X_EventDispatcher( X_ImgLoader_image ),\r
+ X_TEMP.X_ImgLoader_params\r
+ );\r
+ \r
+ X_ImgLoader[ 'listen' ]( [ 'load', 'error' /*, 'abort'*/, X_EVENT_KILL_INSTANCE ], X_ImgLoader_handleEvent );\r
+ \r
+ delete X_TEMP.X_ImgLoader_init;\r
+ delete X_TEMP.X_ImgLoader_params; \r
+ \r
+ return X_ImgLoader;\r
+};\r
+\r
+X_TEMP.X_ImgLoader_params = {\r
_busy : false,\r
tick : 0,\r
timerID : 0,\r
\r
load : function( data ){\r
this._busy = true;\r
- this.abspath = X.URL.toAbsolutePath( data.url );\r
- this.delay = data.delay || 100;\r
- this.timeout = data.timeout || 5000;\r
+ this.abspath = X_URL_toAbsolutePath( data[ 'url' ] );\r
+ this.delay = data[ 'delay' ] || 100;\r
+ this.timeout = data[ 'timeout' ] || 5000;\r
\r
this[ '_rawObject' ].src = this.abspath;\r
\r
if( X_UA[ 'Opera7' ] && this[ '_rawObject' ].complete ){\r
this[ 'asyncDispatch' ]( 'load' );\r
} else {\r
- this.timerID = X_Timer_add( this.delay, 0, this, this._detect );\r
- };\r
- },\r
- \r
- handleEvent : function( e ){\r
- var size;\r
- switch( e.type ){\r
- case 'error' :\r
- //case 'abort' : // TODO ??\r
- if( this.finish ) return;\r
- this._busy = false;\r
- this.finish = true;\r
- this.timerID && X_Timer_remove( this.timerID );\r
- this.timerID = this[ 'asyncDispatch' ]( /*e.type === 'error' ?*/ X_EVENT_ERROR /*: X_EVENT_CANCELED*/ );\r
- break;\r
- case 'load' :\r
- // if( finish === true ) return; // これがあると firefox3.6 で駄目、、、\r
- // if( timer ) return; // これがあると safari3.2 で駄目、、、\r
- this._busy = false;\r
- this.finish = true;\r
- this.timerID && X_Timer_remove( this.timerID );\r
- if( X_UA[ 'Opera' ] && !this[ '_rawObject' ].complete ){\r
- this.timerID = this[ 'asyncDispatch' ]( X_EVENT_ERROR );\r
- return;\r
- };\r
- size = X.Util.Image.getActualDimension( !X_Net_Image_isElement ? this.abspath : this );\r
- this.timerID = this[ 'asyncDispatch' ]( {\r
- type : X_EVENT_SUCCESS,\r
- src : this.abspath,\r
- w : size[ 0 ],\r
- h : size[ 1 ]\r
- // TODO feedback net speed\r
- // time , this[ '_rawObject' ].fileSize\r
- } );\r
- break;\r
- case X_EVENT_KILL_INSTANCE :\r
- this.reset();\r
- !X_Net_Image_hasImage && this[ 'kill' ](); // if xnode\r
- break;\r
- };\r
- },\r
- \r
- _detect : function(){\r
- if( this.finish ) return;\r
- if( this[ '_rawObject' ] && this[ '_rawObject' ].complete ){\r
- this._busy = false;\r
- this.finish = true;\r
- if( this[ '_rawObject' ].width ) return;\r
- X_Timer_remove( this.timerID );\r
- this.timerID = this[ 'asyncDispatch' ]( X_EVENT_ERROR );\r
- } else\r
- if( this.timeout < ( this.tick += this.delay ) ){\r
- this._busy = false;\r
- this.finish = true;\r
- X_Timer_remove( this.timerID );\r
- this.timerID = this[ 'asyncDispatch' ]( X_EVENT_TIMEOUT );\r
+ this.timerID = X_Timer_add( this.delay, 0, this, X_ImgLoader_detect );\r
};\r
},\r
\r
cancel : function(){\r
+ var raw = this[ '_rawObject' ];\r
// abort がある?\r
- this[ '_rawObject' ] && this[ '_rawObject' ].abort && this[ '_rawObject' ].abort();\r
+ raw && raw.abort && raw.abort();\r
// this[ '_rawObject' ].src = '';\r
this._busy = false;\r
this.finish = true;\r
- this[ 'asyncDispatch' ]( X_EVENT_CANCELED );\r
},\r
\r
reset : function(){\r
+ console.log( 'X.Net.Image:reset ' + this.abspath + ' timerID:' + this.timerID );\r
+ \r
this.timerID && X_Timer_remove( this.timerID );\r
- //X_Net_Image_isElement ? this[ '_rawObject' ].removeAttribute( 'src' ) : ( this[ '_rawObject' ].src = '' );\r
+ //X_ImgLoader_isElement ? this[ '_rawObject' ].removeAttribute( 'src' ) : ( this[ '_rawObject' ].src = '' );\r
this[ '_rawObject' ].src = '';\r
this.timerID = 0;\r
this._busy = false;\r
this.finished = false;\r
this.abspath = '';\r
}\r
- }\r
-);\r
+ };\r
+\r
+function X_ImgLoader_detect(){\r
+ var raw = this[ '_rawObject' ];\r
+ \r
+ if( this.finish ) return;\r
+ if( raw && raw.complete ){\r
+ this._busy = false;\r
+ this.finish = true;\r
+ console.log( 'X.Net.Image:detect ' + raw.width );\r
+ if( raw.width ) return;\r
+ X_Timer_remove( this.timerID );\r
+ this.timerID = this[ 'asyncDispatch' ]( X_EVENT_ERROR );\r
+ } else\r
+ if( this.timeout < ( this.tick += this.delay ) ){\r
+ this._busy = false;\r
+ this.finish = true;\r
+ X_Timer_remove( this.timerID );\r
+ this.timerID = this[ 'asyncDispatch' ]( { type : X_EVENT_ERROR, 'timeout' : true } );\r
+ };\r
+};\r
+\r
+function X_ImgLoader_handleEvent( e ){\r
+ var size;\r
+ \r
+ console.log( 'X.Net.Image:handleEvent ' + e.type );\r
+ \r
+ switch( e.type ){\r
+ case 'error' :\r
+ //case 'abort' : // TODO ??\r
+ if( this.finish ) return;\r
+ this._busy = false;\r
+ this.finish = true;\r
+ this.timerID && X_Timer_remove( this.timerID );\r
+ this.timerID = this[ 'asyncDispatch' ]( /*e.type === 'error' ?*/ X_EVENT_ERROR /*: X_EVENT_CANCELED*/ );\r
+ break;\r
+\r
+ case 'load' :\r
+ // if( finish === true ) return; // これがあると firefox3.6 で駄目、、、\r
+ // if( timer ) return; // これがあると safari3.2 で駄目、、、\r
+ this._busy = false;\r
+ this.finish = true;\r
+ this.timerID && X_Timer_remove( this.timerID );\r
+ if( X_UA[ 'Opera' ] && !this[ '_rawObject' ].complete ){\r
+ this.timerID = this[ 'asyncDispatch' ]( X_EVENT_ERROR );\r
+ return;\r
+ };\r
+\r
+ size = X_Util_Image_getActualDimension( !X_ImgLoader_isElement ? this.abspath : this );\r
+ this.timerID = this[ 'asyncDispatch' ]( {\r
+ 'type' : X_EVENT_SUCCESS,\r
+ 'src' : this.abspath,\r
+ 'w' : size[ 0 ],\r
+ 'h' : size[ 1 ]\r
+ // TODO feedback net speed\r
+ // time , this[ '_rawObject' ].fileSize\r
+ } );\r
+ break;\r
+\r
+ case X_EVENT_KILL_INSTANCE :\r
+ this.reset();\r
+ break;\r
+ };\r
+};\r
\r
-X_NET_ImageWrapper[ 'listen' ]( [ 'load', 'error' /*, 'abort'*/, X_EVENT_KILL_INSTANCE ] );\r
\r
-// X_Net_Image_isElement && X_NET_ImageWrapper[ 'appendAt' ]( X.X_Node_systemNode );\r
+// X_ImgLoader_isElement && X_ImgLoader[ 'appendAt' ]( X_Node_systemNode );\r
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