0.6.x/js/05_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  * http://qiita.com/sou/items/3380d4fa9b08b27bb387\r
   6  * モバイルブラウザでの iframe の挙動（Mobile Safari, Chrome for Android)\r
   7  */\r
   8 \r
   9 // TODO Node.inherits\r
  10 X[ 'Util' ][ 'NinjaIframe' ] = Node[ 'inherits' ](\r
  11         'NinjaIframe',\r
  12         {\r
  13                 autoRefresh  : 0,\r
  14                 \r
  15                 _iwin        : null,\r
  16                 \r
  17                 _contentHTML : '',\r
  18                 _name        : '',\r
  19                 _ready       : false,\r
  20                 \r
  21                 'Constructor' : function( html ){\r
  22                         \r
  23                         this._name = 'hidden-iframe-' + X_Timer_now();\r
  24                         // https://github.com/polygonplanet/Pot.js/blob/master/src/Worker.js\r
  25 \r
  26                         X_Node_newByTag = true;\r
  27 \r
  28                         this[ 'Super' ](\r
  29                                 'IFRAME',\r
  30                                 {\r
  31                                         className         : 'hidden-iframe',\r
  32                                         scrolling         : 'no',\r
  33                                         allowtransparency : 'no',                                       \r
  34                                         frameborder       : 0,\r
  35                                         tabindex          : -1,\r
  36                                         name              : this._name,\r
  37                                         id                : this._name\r
  38                                 }\r
  39                         );\r
  40                         \r
  41                         // http://nanto.asablo.jp/blog/2011/12/08/6237308\r
  42                         // IE 6/7 で文書間通信を実現するための一案\r
  43                         if( X_UA[ 'IE' ] < 9 ){\r
  44                                 this[ 'attr' ]( 'src', 'about:blank' );\r
  45                         };\r
  46                         // Safari 2.0.* bug: iframe's absolute position and src set.\r
  47                         if( !X_UA[ 'Webkit' ]  ){\r
  48                                 this[ 'css' ]( { position : 'absolute' } );\r
  49                         };\r
  50                         \r
  51                         if( html ) this._contentHTML = html;                    \r
  52                         \r
  53                         this[ 'appendTo' ]( X_Node_body /* X_Node_systemNode */ )\r
  54                                 [ 'listenOnce' ]( X_EVENT_KILL_INSTANCE, X_Util_NinjaIframe_handleEvent );\r
  55                         \r
  56                         X_ViewPort[ 'listenOnce' ]( X_EVENT_AFTER_UPDATE, this, X_Util_NinjaIframe_handleEvent );\r
  57                 },\r
  58                 \r
  59                 'refresh' : function( opt_contentHTML ){\r
  60                         var raw = this[ '_rawObject' ],\r
  61                                 idoc;\r
  62                                 \r
  63                         this._ready = false;\r
  64                         \r
  65                         if( !this._iwin ){\r
  66                                 this._contentHTML = opt_contentHTML;\r
  67                                 return this;\r
  68                         };\r
  69                         \r
  70                         if( X_UA[ 'IE5x' ] ){\r
  71                                 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
  72                         } else {\r
  73                                 this._iwin.location.reload();\r
  74                         };\r
  75                         \r
  76                         if( !opt_contentHTML && opt_contentHTML !== '' ) return this;\r
  77                         \r
  78                         this._contentHTML = opt_contentHTML;\r
  79 \r
  80                         if( !( X_UA[ 'IE' ] < 9 ) ){\r
  81                                 X_Util_NinjaIframe_writeToIframe( this );\r
  82                                 this._ready = true;\r
  83                         };\r
  84                         \r
  85                         return this;\r
  86                 }\r
  87                 \r
  88         }\r
  89 );\r
  90 \r
  91 \r
  92 function X_Util_NinjaIframe_handleEvent( e ){\r
  93         var raw = this[ '_rawObject' ];\r
  94         \r
  95         switch( e.type ){\r
  96                 case X_EVENT_AFTER_UPDATE :\r
  97                         this._iwin = raw.contentWindow || ( raw.contentDocument && raw.contentDocument.parentWindow ) || window.frames[ this._name ];\r
  98                         // http://d.hatena.ne.jp/NeoCat/20080921/1221940658\r
  99                         // こちらに名前をsetしないとtargetが動作しない\r
 100                         if( X_UA[ 'IE' ] ) this._iwin.name = this._name;\r
 101                         \r
 102                         this[ 'listen' ]( [ X_UA[ 'IE' ] < 9 ? 'readystatechange' : 'load', 'error' ], this, X_Util_NinjaIframe_handleEvent );\r
 103                         \r
 104                         if( !( X_UA[ 'IE' ] < 9 ) ){\r
 105                                 ( this._contentHTML || this._contentHTML === '' ) && X_Util_NinjaIframe_writeToIframe( this );\r
 106                                 this._ready = true;\r
 107                                 return;\r
 108                         };\r
 109                         //break; これあると IE8 で駄目！\r
 110                         \r
 111                 case 'readystatechange' :\r
 112                         if( ( raw.readyState !== 'complete' && raw.readyState !== 'loaded' ) ) break;\r
 113                         // ie9-\r
 114                         if( !this._ready ){\r
 115                                 ( this._contentHTML || this._contentHTML === '' ) && X_Util_NinjaIframe_writeToIframe( this );\r
 116                                 this._ready = true;\r
 117                                 break;\r
 118                         };\r
 119                         // onload\r
 120                 case 'load' :\r
 121                         console.log( 'iframe load.' );\r
 122                         this[ 'asyncDispatch' ]( 'ninjaload' );\r
 123                         break;\r
 124 \r
 125                 case 'error' :\r
 126                         this[ 'asyncDispatch' ]( 'ninjaerror' );\r
 127                         break;\r
 128                 \r
 129                 case X_EVENT_KILL_INSTANCE :\r
 130                         X_ViewPort[ 'unlisten' ]( X_EVENT_AFTER_UPDATE, this, X_Util_NinjaIframe_handleEvent );\r
 131                         this._iwin && this._iwin.close();\r
 132                         break;\r
 133         };\r
 134         \r
 135         return X_Callback_STOP_PROPAGATION;\r
 136 };\r
 137 \r
 138 function X_Util_NinjaIframe_writeToIframe( that ){\r
 139         var raw  = that[ '_rawObject' ],\r
 140                 idoc = raw.contentDocument || that._iwin.document,\r
 141                 html = that._contentHTML;\r
 142         \r
 143         that._ready = true; // これを削除すると ie6,7,8 で Stack overflow at line : 0 意味不明\r
 144         delete that._contentHTML;\r
 145 \r
 146         idoc.open();\r
 147         idoc.writeln( html );\r
 148         idoc.close();\r
 149 };\r
 150 \r