rwt.client.UrlLauncher.js Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2012 EclipseSource and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* EclipseSource - initial API and implementation
******************************************************************************/
namespace( "rwt.client" );
rwt.client.UrlLauncher = function() {
if( rwt.client.UrlLauncher._instance !== undefined ) {
throw new Error( "UrlLauncher can not be created twice" );
} else {
rwt.client.UrlLauncher._instance = this;
}
this._window = window;
var iframe = document.createElement( "iframe" );
iframe.style.visibility = "hidden";
iframe.style.position = "absolute";
iframe.style.left = "-1000px";
iframe.style.top = "-1000px";
iframe.src = rwt.remote.Server.RESOURCE_PATH + "static/html/blank.html";
document.body.appendChild( iframe );
this._iframe = iframe;
};
rwt.client.UrlLauncher.getInstance = function() {
if( rwt.client.UrlLauncher._instance === undefined ) {
new rwt.client.UrlLauncher();
}
return rwt.client.UrlLauncher._instance;
};
rwt.client.UrlLauncher.prototype = {
openURL : function( url ) {
var protocol = this.getProtocol( url );
try {
if( [ "http:", "https:", "ftp:", "ftps:" ].indexOf( protocol ) !== -1 ) {
this._window.open( url, "_blank" );
} else {
this._iframe.src = url;
}
} catch( ex ) {
// IE may throw security exception even if the user allows the popup
}
},
getProtocol : function( url ) {
var protocol = url.indexOf( ":" ) !== -1 ? url.split( ":" )[ 0 ] + ":" : location.protocol;
return protocol.toLowerCase();
}
};