Add text-link binding (almost entirely verbatim from moz-central)
This commit is contained in:
Simon Kornblith
parent
59d7050bba
commit
beefefd016
129
chrome/content/zotero/bindings/text-link.xml
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129
chrome/content/zotero/bindings/text-link.xml
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@ -0,0 +1,129 @@
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<?xml version="1.0"?>
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<!-- ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Toolkit.
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*
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* The Initial Developer of the Original Code is
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* the Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** -->
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<bindings id="textBindings"
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xmlns="http://www.mozilla.org/xbl"
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xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
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xmlns:html="http://www.w3.org/1999/xhtml">
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<binding id="text-link" extends="chrome://global/content/bindings/text.xml#text-label">
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<implementation implements="nsIAccessibleProvider">
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<property name="accessibleType" readonly="true">
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<getter>
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<![CDATA[
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return Components.interfaces.nsIAccessibleProvider.XULLink;
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]]>
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</getter>
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</property>
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<property name="href" onget="return this.getAttribute('href');"
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onset="this.setAttribute('href', val); return val;" />
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<method name="open">
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<parameter name="aEvent"/>
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<body>
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<![CDATA[
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var href = this.href;
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if (!href || this.disabled || aEvent.getPreventDefault())
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return;
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var uri = null;
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try {
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const nsISSM = Components.interfaces.nsIScriptSecurityManager;
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const secMan =
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Components.classes["@mozilla.org/scriptsecuritymanager;1"]
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.getService(nsISSM);
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const ioService =
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Components.classes["@mozilla.org/network/io-service;1"]
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.getService(Components.interfaces.nsIIOService);
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uri = ioService.newURI(href, null, null);
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var nullPrincipal =
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Components.classes["@mozilla.org/nullprincipal;1"]
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.createInstance(Components.interfaces.nsIPrincipal);
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try {
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secMan.checkLoadURIWithPrincipal(nullPrincipal, uri,
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nsISSM.DISALLOW_INHERIT_PRINCIPAL)
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}
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catch (ex) {
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var msg = "Error: Cannot open a " + uri.scheme + ": link using \
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the text-link binding.";
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Components.utils.reportError(msg);
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return;
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}
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const cID = "@mozilla.org/uriloader/external-protocol-service;1";
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const nsIEPS = Components.interfaces.nsIExternalProtocolService;
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var protocolSvc = Components.classes[cID].getService(nsIEPS);
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// if the scheme is not an exposed protocol, then opening this link
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// should be deferred to the system's external protocol handler
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if (!protocolSvc.isExposedProtocol(uri.scheme)
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|| (window.Zotero && window.Zotero.isStandalone && ["http", "https"].indexOf(uri.scheme) !== -1)) {
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protocolSvc.loadUrl(uri);
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aEvent.preventDefault()
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return;
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}
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}
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catch (ex) {
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Components.utils.reportError(ex);
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}
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// otherwise, fall back to opening the anchor directly
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var win = window;
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if (window instanceof Components.interfaces.nsIDOMChromeWindow) {
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while (win.opener && !win.opener.closed)
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win = win.opener;
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}
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if (uri)
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win.open(uri.spec);
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else
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win.open(href);
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aEvent.preventDefault();
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]]>
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</body>
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</method>
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</implementation>
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<handlers>
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<handler event="click" phase="capturing" button="0" action="this.open(event)"/>
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<handler event="keypress" preventdefault="true" keycode="VK_ENTER" action="this.click()" />
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<handler event="keypress" preventdefault="true" keycode="VK_RETURN" action="this.click()" />
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</handlers>
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</binding>
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</bindings>
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