mirror of
https://github.com/classilla/tenfourfox.git
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175 lines
6.4 KiB
JavaScript
175 lines
6.4 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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////////////////////////////////////////////////////////////////////////////////
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//// Constants
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const Ci = Components.interfaces;
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const Cr = Components.results;
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const Cc = Components.classes;
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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////////////////////////////////////////////////////////////////////////////////
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//// nsWebHandler class
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function nsWebHandlerApp() {}
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nsWebHandlerApp.prototype = {
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//////////////////////////////////////////////////////////////////////////////
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//// nsWebHandler
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classDescription: "A web handler for protocols and content",
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classID: Components.ID("8b1ae382-51a9-4972-b930-56977a57919d"),
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contractID: "@mozilla.org/uriloader/web-handler-app;1",
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_name: null,
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_detailedDescription: null,
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_uriTemplate: null,
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//////////////////////////////////////////////////////////////////////////////
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//// nsIHandlerApp
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get name() {
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return this._name;
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},
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set name(aName) {
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this._name = aName;
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},
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get detailedDescription() {
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return this._detailedDescription;
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},
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set detailedDescription(aDesc) {
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this._detailedDescription = aDesc;
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},
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equals: function(aHandlerApp) {
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if (!aHandlerApp)
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throw Cr.NS_ERROR_NULL_POINTER;
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if (aHandlerApp instanceof Ci.nsIWebHandlerApp &&
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aHandlerApp.uriTemplate &&
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this.uriTemplate &&
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aHandlerApp.uriTemplate == this.uriTemplate)
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return true;
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return false;
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},
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launchWithURI: function nWHA__launchWithURI(aURI, aWindowContext) {
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// XXX need to strip passwd & username from URI to handle, as per the
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// WhatWG HTML5 draft. nsSimpleURL, which is what we're going to get,
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// can't do this directly. Ideally, we'd fix nsStandardURL to make it
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// possible to turn off all of its quirks handling, and use that...
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// encode the URI to be handled
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var escapedUriSpecToHandle = encodeURIComponent(aURI.spec);
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// insert the encoded URI and create the object version
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var uriSpecToSend = this.uriTemplate.replace("%s", escapedUriSpecToHandle);
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var ioService = Cc["@mozilla.org/network/io-service;1"].
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getService(Ci.nsIIOService);
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var uriToSend = ioService.newURI(uriSpecToSend, null, null);
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// if we have a window context, use the URI loader to load there
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if (aWindowContext) {
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try {
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// getInterface throws if the object doesn't implement the given
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// interface, so this try/catch statement is more of an if.
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// If aWindowContext refers to a remote docshell, send the load
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// request to the correct process.
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aWindowContext.getInterface(Ci.nsIRemoteWindowContext)
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.openURI(uriToSend, Ci.nsIURILoader.IS_CONTENT_PREFERRED);
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return;
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} catch (e) {
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if (e.result != Cr.NS_NOINTERFACE) {
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throw e;
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}
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}
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// create a channel from this URI
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var channel = ioService.newChannelFromURI2(uriToSend,
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null, // aLoadingNode
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Services.scriptSecurityManager.getSystemPrincipal(),
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null, // aTriggeringPrincipal
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Ci.nsILoadInfo.SEC_NORMAL,
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Ci.nsIContentPolicy.TYPE_OTHER);
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channel.loadFlags = Ci.nsIChannel.LOAD_DOCUMENT_URI;
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// load the channel
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var uriLoader = Cc["@mozilla.org/uriloader;1"].
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getService(Ci.nsIURILoader);
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// XXX ideally, whether to pass the IS_CONTENT_PREFERRED flag should be
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// passed in from above. Practically, the flag is probably a reasonable
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// default since browsers don't care much, and link click is likely to be
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// the more interesting case for non-browser apps. See
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// <https://bugzilla.mozilla.org/show_bug.cgi?id=392957#c9> for details.
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uriLoader.openURI(channel, Ci.nsIURILoader.IS_CONTENT_PREFERRED,
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aWindowContext);
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return;
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}
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// since we don't have a window context, hand it off to a browser
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var windowMediator = Cc["@mozilla.org/appshell/window-mediator;1"].
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getService(Ci.nsIWindowMediator);
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// get browser dom window
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var browserDOMWin = windowMediator.getMostRecentWindow("navigator:browser")
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.QueryInterface(Ci.nsIDOMChromeWindow)
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.browserDOMWindow;
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// if we got an exception, there are several possible reasons why:
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// a) this gecko embedding doesn't provide an nsIBrowserDOMWindow
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// implementation (i.e. doesn't support browser-style functionality),
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// so we need to kick the URL out to the OS default browser. This is
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// the subject of bug 394479.
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// b) this embedding does provide an nsIBrowserDOMWindow impl, but
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// there doesn't happen to be a browser window open at the moment; one
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// should be opened. It's not clear whether this situation will really
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// ever occur in real life. If it does, the only API that I can find
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// that seems reasonably likely to work for most embedders is the
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// command line handler.
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// c) something else went wrong
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//
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// it's not clear how one would differentiate between the three cases
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// above, so for now we don't catch the exception
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// openURI
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browserDOMWin.openURI(uriToSend,
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null, // no window.opener
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Ci.nsIBrowserDOMWindow.OPEN_DEFAULTWINDOW,
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Ci.nsIBrowserDOMWindow.OPEN_NEW);
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return;
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},
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//////////////////////////////////////////////////////////////////////////////
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//// nsIWebHandlerApp
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get uriTemplate() {
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return this._uriTemplate;
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},
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set uriTemplate(aURITemplate) {
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this._uriTemplate = aURITemplate;
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},
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//////////////////////////////////////////////////////////////////////////////
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//// nsISupports
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIWebHandlerApp, Ci.nsIHandlerApp])
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};
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////////////////////////////////////////////////////////////////////////////////
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//// Module
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([nsWebHandlerApp]);
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