0.6.x/js/04_util/01_XNinjaIframe.js

   1 /*\r
   2  * http://msdn.microsoft.com/ja-jp/library/ie/hh180174%28v=vs.85%29.aspx\r
   3  * 孤立するとウィンドウ オブジェクトのプロパティが消去される\r
   4  */\r
   5 \r
   6 X.Util.NinjaIframe = X.EventDispatcher.inherits(\r
   7         'NinjaIframe',\r
   8         {\r
   9                 autoRefresh  : 0,\r
  10                 \r
  11                 xnodeIframe  : null,\r
  12                 \r
  13                 _iwin        : null,\r
  14                 \r
  15                 _html        : '',\r
  16                 _name        : '',\r
  17                 _ready       : false,\r
  18                 \r
  19                 Constructor : function( html ){\r
  20                         \r
  21                         this._name = 'hidden-iframe-' + X.getTime();\r
  22                         // https://github.com/polygonplanet/Pot.js/blob/master/src/Worker.js\r
  23 \r
  24                         this.xnodeIframe = X.Dom.Node._body.create(\r
  25                                 'iframe',\r
  26                                 {\r
  27                                         className         : 'hidden-iframe',\r
  28                                         scrolling         : 'no',\r
  29                                         frameborder       : 0,\r
  30                                         allowtransparency : 'no',\r
  31                                         name              : this._name,\r
  32                                         id                : this._name\r
  33                                 }\r
  34                         );\r
  35                         \r
  36                         X.Dom.listenOnce( X.Dom.Event.AFTER_UPDATE, this );\r
  37                         \r
  38                         // http://nanto.asablo.jp/blog/2011/12/08/6237308\r
  39                         // IE 6/7 で文書間通信を実現するための一案\r
  40                         if( X.UA.IE < 9 ){\r
  41                                 this.xnodeIframe.attr( 'src', 'about:blank' );\r
  42                         };\r
  43                         // Safari 2.0.* bug: iframe's absolute position and src set.\r
  44                         if( !X.UA.Webkit ){\r
  45                                 this.xnodeIframe.css( { position : 'absolute' } );\r
  46                         };\r
  47                         \r
  48                         if( html ) this._html = html;\r
  49                 },\r
  50                 \r
  51                 handleEvent : function( e ){\r
  52                         var raw = this.xnodeIframe._rawObject,\r
  53                                 html, idoc;\r
  54                         \r
  55                         switch( e.type ){\r
  56                                 case X.Dom.Event.AFTER_UPDATE :\r
  57                                         this._iwin = raw.contentWindow || raw.contentDocument && raw.contentDocument.parentWindow || window.frames[ this._name ];\r
  58                                         \r
  59                                         this.xnodeIframe.listen( X.UA.IE < 9 ? [ 'readystatechange', 'error' ] : [ 'load', 'error' ], this );\r
  60                                         \r
  61                                         if( !( X.UA.IE < 9 ) ){\r
  62                                                 this._html && X_Util_NinjaIframe_writeToIframe( this );\r
  63                                                 this._ready = true;\r
  64                                                 return;\r
  65                                         };\r
  66                                         \r
  67                                 case 'readystatechange' :\r
  68                                         if( ( raw.readyState !== 'complete' && raw.readyState !== 'loaded' ) ) return X.Callback.STOP_PROPAGATION;\r
  69                                         // ie9-\r
  70                                         if( !this._ready ){\r
  71                                                 this._html && X_Util_NinjaIframe_writeToIframe( this );\r
  72                                                 this._ready = true;\r
  73                                                 return;                 \r
  74                                         };\r
  75                                         // onload\r
  76                                 case 'load' :\r
  77                                         console.log( 'iframe load.' );\r
  78                                         this.asyncDispatch( 0, X.Event.SUCCESS );\r
  79                                         break;\r
  80                                 case 'error' :\r
  81                                         this.asyncDispatch( 0, X.Event.ERROR );\r
  82                                         break;\r
  83                         };\r
  84                         \r
  85                         return X.Callback.STOP_PROPAGATION;                     \r
  86                 },\r
  87                 \r
  88                 refresh : function( opt_html ){\r
  89                         var raw = this.xnodeIframe._rawObject,\r
  90                                 idoc;\r
  91                                 \r
  92                         this._ready = false;\r
  93                         \r
  94                         if( !this._iwin ){\r
  95                                 this._html = opt_html;\r
  96                                 return this;\r
  97                         };\r
  98                         \r
  99                         if( X.UA.IE5 || X.UA.IE55 ){\r
 100                                 this._iwin.location.href = 'about:blank'; // reload() では、IE5.5(IETester)で2回目移行の操作でerrorが出る(doc取得やopen,writeで)\r
 101                         } else {\r
 102                                 this._iwin.location.reload();\r
 103                         };\r
 104                         \r
 105                         if( !opt_html ) return this;\r
 106                         \r
 107                         this._html = opt_html;\r
 108                         X.UA.IE < 9 || X_Util_NinjaIframe_writeToIframe( this );\r
 109                         \r
 110                         return this;\r
 111                 },\r
 112                 \r
 113                 close : function(){\r
 114                         X.Dom.unlisten( X.Dom.Event.AFTER_UPDATE, this );\r
 115                         this.xnodeIframe.call( 'close' );\r
 116                         this.xnodeIframe.destroy();\r
 117                 }\r
 118                 \r
 119         }\r
 120 );\r
 121 \r
 122 function X_Util_NinjaIframe_writeToIframe( that ){\r
 123         var raw  = that.xnodeIframe._rawObject,\r
 124                 idoc = raw.contentDocument || that._iwin.document,\r
 125                 html = that._html;\r
 126                 \r
 127         delete that._html;\r
 128         that._ready = true;\r
 129 \r
 130         idoc.open();\r
 131         idoc.writeln( html );\r
 132         idoc.close();\r
 133 };\r
 134 \r