+//{+jsonp"jsonpによるajax"(jsonpによるクロスドメイン通信。)[+net,+ninjaiframe]
+
/*
* Operaでも非同期リクエストが並列処理できる img-JSONP
* http://developer.cybozu.co.jp/takesako/2007/06/opera_img-jsonp.html
*
* iframe を使った jsonp の読み込みエラー判定の記事、
- * JSONPのエラーを判断する は web archive でも観れない
- * http://d.hatena.ne.jp/yuushimizu/20090128/1233146321
+ * https://web.archive.org/web/20120917100043/http://d.hatena.ne.jp/yuushimizu/20090128/1233146321
* TODO JSONPの動的取得+エラー処理
* http://d.hatena.ne.jp/NeoCat/20110206/1296934235
*
*
* IE6(IETester,localhost) で動かない,
*
- * TODO postMessage
+ * TODO iframe 内を他ドメインにして jsonp のセキュリティを強化。他ドメインに jsonp を読み込んで 正しい JSON か？検証後にフレーム間通信で戻す。
*/
-X[ 'Net' ][ 'JSONP' ] = {
- 'cb' : function( accessKey, jsonString, time, opt_json2FileSize ){
- if( accessKey !== X_NET_JSONP_ACCESS_KEY || !X_NET_JSONPWrapper._busy ) return;
+ // TODO chashe
+ // TODO iframe useful or not. TODO check dynamicIframe
+ // TODO file: では http: は使えない
+
+X_TEMP.X_JSONP_cb = function( accessKey, jsonString, time, opt_json2FileSize ){
+ if( accessKey !== X_JSONP_ACCESS_KEY || !X_JSONP._busy ) return;
- X_NET_JSONPWrapper._busy = false;
+ X_JSONP._busy = false;
- X_NET_JSONPWrapper
+ X_JSONP
[ 'asyncDispatch' ]( {
- type : jsonString ? X_EVENT_SUCCESS : X_EVENT_ERROR,
- data : window.JSON ? JSON.parse( jsonString ) : eval( 'var a=' + jsonString + ';a' )
+ type : jsonString ? X_EVENT_SUCCESS : X_EVENT_ERROR,
+ response : X_JSON_parseTrustableString( jsonString )
} );
+ X_JSONP_errorTimerID && X_Timer_remove( X_JSONP_errorTimerID );
+
console.log( 'ms : ' + time + ' speed : ' + ( ( jsonString.length + ( opt_json2FileSize || 0 ) ) / time * 1000 ) + ' バイト/秒.' );
- }
-};
-
-function X_Net_JSONP_reciveMessage( data ){
- console.log( data );
-};
+ };
-var X_NET_JSONP_ACCESS_KEY = Math.random(),
+var X_JSONP_ACCESS_KEY = Math.random(),
- X_NET_JSONP_SEND_MSG_KEY = X_System.message( 'X.Net.JSONP', X_Net_JSONP_reciveMessage ),
+ X_JSONP_maxOnloadCount,
- X_NET_JSONP_NinjaIframe,
+ X_JSONP_onloadCount = 0,
- X_Net_JSONP_onloadCount;
+ X_JSONP_errorTimerID;
+X_TEMP.X_JSONP_init = function(){
+ X[ 'Net' ][ '__json_cb__' ] = X_TEMP.X_JSONP_cb;
-
-function X_NET_JSONP_loadScriptInNinjaIframe( url ){
- var json2Path = 'js/libs/json2.js',
- json2FileSize = 18103,
- html;
+ X_JSONP = X_Class_override( X_NinjaIframe(), X_TEMP.X_JSONP_params );
- X_NET_JSONP_NinjaIframe || ( X_NET_JSONP_NinjaIframe = X[ 'Util' ][ 'NinjaIframe' ]() );
+ delete X_TEMP.X_JSONP_cb;
+ delete X_TEMP.X_JSONP_init;
+ delete X_TEMP.X_JSONP_params;
- // TODO '<scr'+'ipt> 化 恐らくアンチウイルスソフトが反応しないための対策
- // TODO postMessage の利用
- // document.postMessage()→window.postMessage() (Opera 9.50 build 9841 -)
- // http://d.hatena.ne.jp/cnrd/20080518/1211099169
- // 最近の仕様変更(引数のtargetOriginとかMessageEventのoriginとか)にはまだ対応してないみたい
+ return X_JSONP;
+};
- if( X_UA[ 'Opera' ] ){
- html = [
- ( window[ 'JSON' ] ? '' : '<script src="' + json2Path + '"></script>' ),
- '<script>',
- 'onunload=function(){im.onload=im.onerror=""};',
- 'nw=+new Date;',
- 'function cb(o){if(nw){nw-=+new Date;parent.X.Net.JSONP.cb(' + X_NET_JSONP_ACCESS_KEY + ',JSON.stringify(o),-nw', window[ 'JSON' ] ? json2FileSize : 0 ,');nw=0}}',
- '</script>',
- '<script id="jp"></script>',
- '<img id="im" src="', url, '" onload="jp.src=im.src" onerror="jp.src=im.src">'
- ];
- X_Net_JSONP_onloadCount = 2;
- } else
- if( X_UA[ 'IE8' ] ){
- html = [
- // JavaScriptでunicode文字列をunescapeする
- // http://perutago.seesaa.net/article/202801583.html
+X_TEMP.X_JSONP_params = {
+
+ _busy : false,
+ _canceled : false,
- // http://blog.livedoor.jp/dankogai/archives/51503830.html
- // Ajax - IE8にもJSON入ってます。使えるとは限らないけど
- // Compatibility mode (別名Quirks mode) では、JSONオブジェクトは無効になります。iframeもだめです
- '<script id="jp"></script>',
- '<script>',
- 'onunload=function(){clearTimeout(id)};',
- 'nw=0;', // なぜか必要,,,
- 'function cb(o){nw-=+new Date;parent.X.Net.JSONP.cb(' + X_NET_JSONP_ACCESS_KEY + ',parent.JSON.stringify(o).replace(/\\\\u([a-fA-F0-9]{4})/g,function(a,b){return String.fromCharCode(parseInt(b,16))}),-nw)}',
- //'function cb(o){if(nw){nw-=+new Date;postMessage("', X_NET_JSONP_SEND_MSG_KEY,' "+nw+"|"+parent.JSON.stringify(o).replace(/\\\\u([a-fA-F0-9]{4})/g,function(a,b){return String.fromCharCode(parseInt(b,16))}),"*");nw=0}}',
- 'function tm(){jp.src="', url ,'";nw=+new Date}',
- 'id=setTimeout(tm,16);',
- '</script>'
+ load : function( option ){
+ //createURL
+ var url = option[ 'url' ],
+ params = option[ 'params' ],
+ callback = option[ 'callbackName' ],
+ charset = option[ 'charset' ],
+ json2Path = window.RegExp ? 'js/libs/json2.js' : 'js/libs/json2_regfree.js',
+ json2FileSize = 18103,
+ html;
+
+ // file プロトコルで外部アクセスの禁止
+ if( !X_URL_isSameProtocol( url ) ){
+ return X_JSONP[ 'asyncDispatch' ]( X_EVENT_ERROR );
+ };
+
+ url = X_URL_create( url, params );
+
+ if( !callback && !( callback = X_URL_paramToObj( url.split( '?' )[ 1 ] )[ 'callback' ] ) ){
+ url += '&callback=cb';
+ callback = 'cb';
+ };
+
+ charset = charset ? ' charset="' + charset + '"' : '';
+
+ // TODO '<scr'+'ipt> 化 恐らくアンチウイルスソフトが反応しないための対策
+ // document.postMessage()→window.postMessage() (Opera 9.50 build 9841 -)
+ // http://d.hatena.ne.jp/cnrd/20080518/1211099169
+ // 最近の仕様変更(引数のtargetOriginとかMessageEventのoriginとか)にはまだ対応してないみたい
- /* 以下のコードは XP ie8 では動くけど、win8 IE11(8モード)で動かない 開発の便宜を取って,setTimeout を挟む
- '<script>',
- 'function cb(o){window.parent.X.Net.JSONP.cb(' + X_NET_JSONP_ACCESS_KEY + ',window.parent.JSON.stringify(o))}',
- '</script>',
- '<script src="', url, '"></script>' */
- ];
- X_Net_JSONP_onloadCount = 2;
- } else
- if( X_UA[ 'IE9' ] ){
- html = [
- '<script id="jp"></script>',
- '<script>',
- 'onunload=function(){clearTimeout(id)};',
- 'function cb(o){nw-=+new Date;parent.X.Net.JSONP.cb(' + X_NET_JSONP_ACCESS_KEY + ',JSON.stringify(o),-nw)}',
- 'function tm(){jp.src="', url ,'";nw=+new Date}',
- 'id=setTimeout(tm,16);',
- '</script>'
- ];
- X_Net_JSONP_onloadCount = 2;
- } else
- if( window[ 'JSON' ] ){
- html = [
- '<script>',
- 'nw=+new Date;',
- 'function cb(o){if(nw){nw-=+new Date;parent.X.Net.JSONP.cb(' + X_NET_JSONP_ACCESS_KEY + ',JSON.stringify(o),-nw);nw=0}}',
- //'function cb(o){if(nw){nw-=+new Date;parent.postMessage("', X_NET_JSONP_SEND_MSG_KEY,' "+nw+"|"+JSON.stringify(o),"', location.origin, '");nw=0}}',
- '</script>',
- '<script src="', url, '"></script>'
- ];
- X_Net_JSONP_onloadCount = 1;
- } else
- if( X_UA[ 'IE4' ] || X_UA[ 'MacIE' ] ){
- html = [
- '<script id="jn"></script>',
- '<script id="jp"></script>',
- '<script>',
- 'onunload=function(){clearTimeout(id)};',
- 'function cb(o){nw-=new Date;parent.X.Net.JSONP.cb(' + X_NET_JSONP_ACCESS_KEY + ',JSON.stringify(o),-nw-16,', json2FileSize, ')}',
- 'function t1(){document.all.jn.src="', json2Path ,'";id=setTimeout("t2()",16);nw=+new Date}',
- 'id=setTimeout("t1()",16);',
- 'function t2(){if(window.JSON){document.all.jp.src="', url ,'"}else{id=setTimeout("t2()",16)}}',
- '</script>'
- ];
- X_Net_JSONP_onloadCount = 3;
- } else
- if( X_UA[ 'IE' ] < 8 ){ // ie5-7
- html = [
- '<script id="jn"></script>',
- '<script id="jp"></script>',
- '<script>',
- 'onunload=function(){clearTimeout(id)};',
- 'function cb(o){nw-=new Date;parent.X.Net.JSONP.cb(' + X_NET_JSONP_ACCESS_KEY + ',JSON.stringify(o),-nw-16,', json2FileSize, ')}',
- 'function t1(){jn.src="', json2Path ,'";id=setTimeout(t2,16);nw=+new Date}',
- 'id=setTimeout(t1,16);',
- 'function t2(){if(window.JSON){jp.src="', url ,'"}else{id=setTimeout(t2,16)}}',
- '</script>'
- ];
- X_Net_JSONP_onloadCount = 3;
- } else {
- html = [
- '<script>',
- 'function cb(o){if(nw){nw-=new Date;parent.X.Net.JSONP.cb(' + X_NET_JSONP_ACCESS_KEY + ',JSON.stringify(o),-nw,', json2FileSize, ');nw=0}}',
- 'nw=+new Date;',
- '</script>',
- '<script src="', json2Path, '"></script>',
- '<script src="', url, '"></script>'
- ];
- X_Net_JSONP_onloadCount = 1;
- };
-
- X_NET_JSONP_NinjaIframe
- [ 'refresh' ]( html.join( '' ) )
- [ 'listen' ]( [ X_EVENT_SUCCESS, X_EVENT_ERROR ], X_NET_JSONPWrapper, X_NET_JSONP_iframeListener );
-};
-
+ if( X_UA[ 'Opera' ] ){
+ html = [
+ ( window[ 'JSON' ] ? '' : '<script src="' + json2Path + '"></script>' ),
+ '<script>',
+ 'onunload=function(){im.onload=im.onerror=""};',
+ 'nw=+new Date;',
+ 'function ', callback, '(o){if(nw){nw-=+new Date;parent.X.Net.__json_cb__(' + X_JSONP_ACCESS_KEY + ',JSON.stringify(o),-nw', window[ 'JSON' ] ? json2FileSize : 0 ,');nw=0}}',
+ '</script>',
+ '<script', charset, ' id="jp"></script>',
+ '<img id="im" src="', url, '" onload="jp.src=im.src" onerror="jp.src=im.src">'
+ ];
+ X_JSONP_maxOnloadCount = 2;
+ } else
+ if( X_UA[ 'IE8' ] ){
+ html = [
+ '<script', charset, ' id="jp"></script>',
+ '<script>',
+ 'onunload=function(){clearTimeout(id)};',
+ 'nw=0;', // なぜか必要,,,
+ 'function ', callback, '(o){nw-=+new Date;parent.X.Net.__json_cb__(' + X_JSONP_ACCESS_KEY + ',parent.X.JSON.stringify(o),-nw)}',
+ //'function ', callback, '(o){if(nw){nw-=+new Date;postMessage("', X_JSONP_SEND_MSG_KEY,' "+nw+"|"+parent.JSON.stringify(o).replace(/\\\\u([a-fA-F0-9]{4})/g,function(a,b){return String.fromCharCode(parseInt(b,16))}),"*");nw=0}}',
+ 'function tm(){jp.src="', url ,'";nw=+new Date}',
+ 'id=setTimeout(tm,16);',
+ '</script>'
+
+ /* 以下のコードは XP ie8 では動くけど、win8 IE11(8モード)で動かない 開発の便宜を取って,setTimeout を挟む
+ '<script>',
+ 'function ', callback, '(o){window.parent.X.Net.__json_cb__(' + X_JSONP_ACCESS_KEY + ',window.parent.JSON.stringify(o))}',
+ '</script>',
+ '<script src="', url, '"></script>' */
+ ];
+ X_JSONP_maxOnloadCount = 2;
+ } else
+ if( X_UA[ 'IE9' ] ){
+ html = [
+ '<script', charset, ' id="jp"></script>',
+ '<script>',
+ 'onunload=function(){clearTimeout(id)};',
+ 'function ', callback, '(o){nw-=+new Date;parent.X.Net.__json_cb__(' + X_JSONP_ACCESS_KEY + ',JSON.stringify(o),-nw)}',
+ 'function tm(){jp.src="', url ,'";nw=+new Date}',
+ 'id=setTimeout(tm,16);',
+ '</script>'
+ ];
+ X_JSONP_maxOnloadCount = 2;
+ } else
+ if( window[ 'JSON' ] ){
+ html = [
+ '<script>',
+ 'nw=+new Date;',
+ 'function ', callback, '(o){if(nw){nw-=+new Date;parent.X.Net.__json_cb__(' + X_JSONP_ACCESS_KEY + ',JSON.stringify(o),-nw);nw=0}}',
+ //'function ', callback, '(o){if(nw){nw-=+new Date;parent.postMessage("', X_JSONP_SEND_MSG_KEY,' "+nw+"|"+JSON.stringify(o),"', location.origin, '");nw=0}}',
+ '</script>',
+ '<script', charset, ' src="', url, '"></script>'
+ ];
+ X_JSONP_maxOnloadCount = 1;
+ } else
+ if( X_UA[ 'IE4' ] || X_UA[ 'MacIE' ] ){
+ html = [
+ '<script id="jn"></script>',
+ '<script', charset, ' id="jp"></script>',
+ '<script>',
+ 'onunload=function(){clearTimeout(id)};',
+ 'function ', callback, '(o){nw-=new Date;parent.X.Net.__json_cb__(' + X_JSONP_ACCESS_KEY + ',JSON.stringify(o),-nw-16,', json2FileSize, ')}',
+ 'function t1(){document.all.jn.src="', json2Path ,'";id=setTimeout("t2()",16);nw=+new Date}',
+ 'id=setTimeout("t1()",16);',
+ 'function t2(){if(window.JSON){document.all.jp.src="', url ,'"}else{id=setTimeout("t2()",16)}}',
+ '</script>'
+ ];
+ X_JSONP_maxOnloadCount = 3;
+ } else
+ if( X_UA[ 'IE' ] < 8 ){ // ie5-7
+ html = [
+ '<script id="jn"></script>',
+ '<script', charset, ' id="jp"></script>',
+ '<script>',
+ 'onunload=function(){clearTimeout(id)};',
+ 'function ', callback, '(o){nw-=new Date;parent.X.Net.__json_cb__(' + X_JSONP_ACCESS_KEY + ',JSON.stringify(o),-nw-16,', json2FileSize, ')}',
+ 'function t1(){jn.src="', json2Path ,'";id=setTimeout(t2,16);nw=+new Date}',
+ 'id=setTimeout(t1,16);',
+ 'function t2(){if(window.JSON){jp.src="', url ,'"}else{id=setTimeout(t2,16)}}',
+ '</script>'
+ ];
+ X_JSONP_maxOnloadCount = 3;
+ } else {
+ html = [
+ '<script>',
+ 'function ', callback, '(o){if(nw){nw-=new Date;parent.X.Net.__json_cb__(' + X_JSONP_ACCESS_KEY + ',JSON.stringify(o),-nw,', json2FileSize, ');nw=0}}',
+ 'nw=+new Date;',
+ '</script>',
+ '<script src="', json2Path, '"></script>',
+ '<script', charset, ' src="', url, '"></script>'
+ ];
+ X_JSONP_maxOnloadCount = 2;
+ };
+
+ X_JSONP
+ [ 'refresh' ]( html.join( '' ) )
+ [ 'listen' ]( [ 'ninjaload', 'ninjaerror' ], X_JSONP_iframeListener );
+
+ X_JSONP._busy = true;
+ },
+
+ cancel : function(){
+ X_JSONP.reset();
+ X_JSONP._canceled = true;
+ },
+
+ reset : function(){
+ X_JSONP._busy = X_JSONP._canceled = false;
+ X_JSONP[ 'unlisten' ]( [ 'ninjaload', 'ninjaerror' ], X_JSONP_iframeListener );
+ X_JSONP[ 'refresh' ]( '' );
+ X_JSONP_errorTimerID && X_Timer_remove( X_JSONP_errorTimerID );
+ X_JSONP_errorTimerID = X_JSONP_onloadCount = 0;
+ }
+ };
-function X_NET_JSONP_iframeListener( e ){
+function X_JSONP_iframeListener( e ){
switch( e.type ){
- case X_EVENT_SUCCESS :
- console.log( 'iframe onload, but ' + X_NET_JSONPWrapper._onloadCount + ' < ' + X_Net_JSONP_onloadCount );
- if( ++X_NET_JSONPWrapper._onloadCount < X_Net_JSONP_onloadCount ) return;
- // TODO callback が無ければ error
- X_NET_JSONPWrapper[ 'asyncDispatch' ]( 1000, X_EVENT_ERROR );
+ case 'ninjaload' :
+ console.log( 'iframe onload, but ' + X_JSONP_onloadCount + ' < ' + X_JSONP_maxOnloadCount );
+ if( ++X_JSONP_onloadCount < X_JSONP_maxOnloadCount ) return;
+
+ // TODO callback が無ければ error -> timeout を観る?
+ X_JSONP_errorTimerID = X_JSONP[ 'asyncDispatch' ]( 1000, X_EVENT_ERROR );
break;
- case X_EVENT_ERROR :
+ case 'ninjaerror' :
console.log( 'iframe onerror' );
- X_NET_JSONPWrapper[ 'asyncDispatch' ]( X_EVENT_ERROR );
+ X_JSONP[ 'asyncDispatch' ]( X_EVENT_ERROR );
break;
};
- X_NET_JSONP_NinjaIframe[ 'unlisten' ]();
- return X_Callback_UN_LISTEN;
+ return X_CALLBACK_UN_LISTEN;
};
-
-// TODO extend NinjaIframe
-X_NET_JSONPWrapper = X_Class_override(
- X_EventDispatcher(),
- {
-
- _busy : false,
- _canceled : false,
- _onloadCount : 0,
-
- load : function( url, data, timeout ){
- //createURL
- X_NET_JSONP_loadScriptInNinjaIframe( url );
-
- this._busy = true;
- },
-
- cancel : function(){
- this._canceled = true;
- },
-
- reset : function(){
- this._busy = this._canceled = false;
- this._onloadCount = 0;
- }
- }
-);
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