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