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