1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/uriloader/exthandler/nsWebHandlerApp.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,154 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
1.9 +
1.10 +////////////////////////////////////////////////////////////////////////////////
1.11 +//// Constants
1.12 +
1.13 +const Ci = Components.interfaces;
1.14 +const Cr = Components.results;
1.15 +const Cc = Components.classes;
1.16 +
1.17 +////////////////////////////////////////////////////////////////////////////////
1.18 +//// nsWebHandler class
1.19 +
1.20 +function nsWebHandlerApp() {}
1.21 +
1.22 +nsWebHandlerApp.prototype = {
1.23 + //////////////////////////////////////////////////////////////////////////////
1.24 + //// nsWebHandler
1.25 +
1.26 + classDescription: "A web handler for protocols and content",
1.27 + classID: Components.ID("8b1ae382-51a9-4972-b930-56977a57919d"),
1.28 + contractID: "@mozilla.org/uriloader/web-handler-app;1",
1.29 +
1.30 + _name: null,
1.31 + _detailedDescription: null,
1.32 + _uriTemplate: null,
1.33 +
1.34 + //////////////////////////////////////////////////////////////////////////////
1.35 + //// nsIHandlerApp
1.36 +
1.37 + get name() {
1.38 + return this._name;
1.39 + },
1.40 +
1.41 + set name(aName) {
1.42 + this._name = aName;
1.43 + },
1.44 +
1.45 + get detailedDescription() {
1.46 + return this._detailedDescription;
1.47 + },
1.48 +
1.49 + set detailedDescription(aDesc) {
1.50 + this._detailedDescription = aDesc;
1.51 + },
1.52 +
1.53 + equals: function(aHandlerApp) {
1.54 + if (!aHandlerApp)
1.55 + throw Cr.NS_ERROR_NULL_POINTER;
1.56 +
1.57 + if (aHandlerApp instanceof Ci.nsIWebHandlerApp &&
1.58 + aHandlerApp.uriTemplate &&
1.59 + this.uriTemplate &&
1.60 + aHandlerApp.uriTemplate == this.uriTemplate)
1.61 + return true;
1.62 +
1.63 + return false;
1.64 + },
1.65 +
1.66 + launchWithURI: function nWHA__launchWithURI(aURI, aWindowContext) {
1.67 +
1.68 + // XXX need to strip passwd & username from URI to handle, as per the
1.69 + // WhatWG HTML5 draft. nsSimpleURL, which is what we're going to get,
1.70 + // can't do this directly. Ideally, we'd fix nsStandardURL to make it
1.71 + // possible to turn off all of its quirks handling, and use that...
1.72 +
1.73 + // encode the URI to be handled
1.74 + var escapedUriSpecToHandle = encodeURIComponent(aURI.spec);
1.75 +
1.76 + // insert the encoded URI and create the object version
1.77 + var uriSpecToSend = this.uriTemplate.replace("%s", escapedUriSpecToHandle);
1.78 + var ioService = Cc["@mozilla.org/network/io-service;1"].
1.79 + getService(Ci.nsIIOService);
1.80 + var uriToSend = ioService.newURI(uriSpecToSend, null, null);
1.81 +
1.82 + // if we have a window context, use the URI loader to load there
1.83 + if (aWindowContext) {
1.84 +
1.85 + // create a channel from this URI
1.86 + var channel = ioService.newChannelFromURI(uriToSend);
1.87 + channel.loadFlags = Ci.nsIChannel.LOAD_DOCUMENT_URI;
1.88 +
1.89 + // load the channel
1.90 + var uriLoader = Cc["@mozilla.org/uriloader;1"].
1.91 + getService(Ci.nsIURILoader);
1.92 + // XXX ideally, whether to pass the IS_CONTENT_PREFERRED flag should be
1.93 + // passed in from above. Practically, the flag is probably a reasonable
1.94 + // default since browsers don't care much, and link click is likely to be
1.95 + // the more interesting case for non-browser apps. See
1.96 + // <https://bugzilla.mozilla.org/show_bug.cgi?id=392957#c9> for details.
1.97 + uriLoader.openURI(channel, Ci.nsIURILoader.IS_CONTENT_PREFERRED,
1.98 + aWindowContext);
1.99 + return;
1.100 + }
1.101 +
1.102 + // since we don't have a window context, hand it off to a browser
1.103 + var windowMediator = Cc["@mozilla.org/appshell/window-mediator;1"].
1.104 + getService(Ci.nsIWindowMediator);
1.105 +
1.106 + // get browser dom window
1.107 + var browserDOMWin = windowMediator.getMostRecentWindow("navigator:browser")
1.108 + .QueryInterface(Ci.nsIDOMChromeWindow)
1.109 + .browserDOMWindow;
1.110 +
1.111 + // if we got an exception, there are several possible reasons why:
1.112 + // a) this gecko embedding doesn't provide an nsIBrowserDOMWindow
1.113 + // implementation (i.e. doesn't support browser-style functionality),
1.114 + // so we need to kick the URL out to the OS default browser. This is
1.115 + // the subject of bug 394479.
1.116 + // b) this embedding does provide an nsIBrowserDOMWindow impl, but
1.117 + // there doesn't happen to be a browser window open at the moment; one
1.118 + // should be opened. It's not clear whether this situation will really
1.119 + // ever occur in real life. If it does, the only API that I can find
1.120 + // that seems reasonably likely to work for most embedders is the
1.121 + // command line handler.
1.122 + // c) something else went wrong
1.123 + //
1.124 + // it's not clear how one would differentiate between the three cases
1.125 + // above, so for now we don't catch the exception
1.126 +
1.127 + // openURI
1.128 + browserDOMWin.openURI(uriToSend,
1.129 + null, // no window.opener
1.130 + Ci.nsIBrowserDOMWindow.OPEN_DEFAULTWINDOW,
1.131 + Ci.nsIBrowserDOMWindow.OPEN_NEW);
1.132 +
1.133 + return;
1.134 + },
1.135 +
1.136 + //////////////////////////////////////////////////////////////////////////////
1.137 + //// nsIWebHandlerApp
1.138 +
1.139 + get uriTemplate() {
1.140 + return this._uriTemplate;
1.141 + },
1.142 +
1.143 + set uriTemplate(aURITemplate) {
1.144 + this._uriTemplate = aURITemplate;
1.145 + },
1.146 +
1.147 + //////////////////////////////////////////////////////////////////////////////
1.148 + //// nsISupports
1.149 +
1.150 + QueryInterface: XPCOMUtils.generateQI([Ci.nsIWebHandlerApp, Ci.nsIHandlerApp])
1.151 +};
1.152 +
1.153 +////////////////////////////////////////////////////////////////////////////////
1.154 +//// Module
1.155 +
1.156 +this.NSGetFactory = XPCOMUtils.generateNSGetFactory([nsWebHandlerApp]);
1.157 +
