The Tor Browser / file comparison
comparison: uriloader/exthandler/nsWebHandlerApp.js
uriloader/exthandler/nsWebHandlerApp.js
- branch
- TOR_BUG_9701
- changeset 14
- 925c144e1f1f
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| -1:000000000000 | 0:61d11671fa89 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 Components.utils.import("resource://gre/modules/XPCOMUtils.jsm"); | |
| 6 | |
| 7 //////////////////////////////////////////////////////////////////////////////// | |
| 8 //// Constants | |
| 9 | |
| 10 const Ci = Components.interfaces; | |
| 11 const Cr = Components.results; | |
| 12 const Cc = Components.classes; | |
| 13 | |
| 14 //////////////////////////////////////////////////////////////////////////////// | |
| 15 //// nsWebHandler class | |
| 16 | |
| 17 function nsWebHandlerApp() {} | |
| 18 | |
| 19 nsWebHandlerApp.prototype = { | |
| 20 ////////////////////////////////////////////////////////////////////////////// | |
| 21 //// nsWebHandler | |
| 22 | |
| 23 classDescription: "A web handler for protocols and content", | |
| 24 classID: Components.ID("8b1ae382-51a9-4972-b930-56977a57919d"), | |
| 25 contractID: "@mozilla.org/uriloader/web-handler-app;1", | |
| 26 | |
| 27 _name: null, | |
| 28 _detailedDescription: null, | |
| 29 _uriTemplate: null, | |
| 30 | |
| 31 ////////////////////////////////////////////////////////////////////////////// | |
| 32 //// nsIHandlerApp | |
| 33 | |
| 34 get name() { | |
| 35 return this._name; | |
| 36 }, | |
| 37 | |
| 38 set name(aName) { | |
| 39 this._name = aName; | |
| 40 }, | |
| 41 | |
| 42 get detailedDescription() { | |
| 43 return this._detailedDescription; | |
| 44 }, | |
| 45 | |
| 46 set detailedDescription(aDesc) { | |
| 47 this._detailedDescription = aDesc; | |
| 48 }, | |
| 49 | |
| 50 equals: function(aHandlerApp) { | |
| 51 if (!aHandlerApp) | |
| 52 throw Cr.NS_ERROR_NULL_POINTER; | |
| 53 | |
| 54 if (aHandlerApp instanceof Ci.nsIWebHandlerApp && | |
| 55 aHandlerApp.uriTemplate && | |
| 56 this.uriTemplate && | |
| 57 aHandlerApp.uriTemplate == this.uriTemplate) | |
| 58 return true; | |
| 59 | |
| 60 return false; | |
| 61 }, | |
| 62 | |
| 63 launchWithURI: function nWHA__launchWithURI(aURI, aWindowContext) { | |
| 64 | |
| 65 // XXX need to strip passwd & username from URI to handle, as per the | |
| 66 // WhatWG HTML5 draft. nsSimpleURL, which is what we're going to get, | |
| 67 // can't do this directly. Ideally, we'd fix nsStandardURL to make it | |
| 68 // possible to turn off all of its quirks handling, and use that... | |
| 69 | |
| 70 // encode the URI to be handled | |
| 71 var escapedUriSpecToHandle = encodeURIComponent(aURI.spec); | |
| 72 | |
| 73 // insert the encoded URI and create the object version | |
| 74 var uriSpecToSend = this.uriTemplate.replace("%s", escapedUriSpecToHandle); | |
| 75 var ioService = Cc["@mozilla.org/network/io-service;1"]. | |
| 76 getService(Ci.nsIIOService); | |
| 77 var uriToSend = ioService.newURI(uriSpecToSend, null, null); | |
| 78 | |
| 79 // if we have a window context, use the URI loader to load there | |
| 80 if (aWindowContext) { | |
| 81 | |
| 82 // create a channel from this URI | |
| 83 var channel = ioService.newChannelFromURI(uriToSend); | |
| 84 channel.loadFlags = Ci.nsIChannel.LOAD_DOCUMENT_URI; | |
| 85 | |
| 86 // load the channel | |
| 87 var uriLoader = Cc["@mozilla.org/uriloader;1"]. | |
| 88 getService(Ci.nsIURILoader); | |
| 89 // XXX ideally, whether to pass the IS_CONTENT_PREFERRED flag should be | |
| 90 // passed in from above. Practically, the flag is probably a reasonable | |
| 91 // default since browsers don't care much, and link click is likely to be | |
| 92 // the more interesting case for non-browser apps. See | |
| 93 // <https://bugzilla.mozilla.org/show_bug.cgi?id=392957#c9> for details. | |
| 94 uriLoader.openURI(channel, Ci.nsIURILoader.IS_CONTENT_PREFERRED, | |
| 95 aWindowContext); | |
| 96 return; | |
| 97 } | |
| 98 | |
| 99 // since we don't have a window context, hand it off to a browser | |
| 100 var windowMediator = Cc["@mozilla.org/appshell/window-mediator;1"]. | |
| 101 getService(Ci.nsIWindowMediator); | |
| 102 | |
| 103 // get browser dom window | |
| 104 var browserDOMWin = windowMediator.getMostRecentWindow("navigator:browser") | |
| 105 .QueryInterface(Ci.nsIDOMChromeWindow) | |
| 106 .browserDOMWindow; | |
| 107 | |
| 108 // if we got an exception, there are several possible reasons why: | |
| 109 // a) this gecko embedding doesn't provide an nsIBrowserDOMWindow | |
| 110 // implementation (i.e. doesn't support browser-style functionality), | |
| 111 // so we need to kick the URL out to the OS default browser. This is | |
| 112 // the subject of bug 394479. | |
| 113 // b) this embedding does provide an nsIBrowserDOMWindow impl, but | |
| 114 // there doesn't happen to be a browser window open at the moment; one | |
| 115 // should be opened. It's not clear whether this situation will really | |
| 116 // ever occur in real life. If it does, the only API that I can find | |
| 117 // that seems reasonably likely to work for most embedders is the | |
| 118 // command line handler. | |
| 119 // c) something else went wrong | |
| 120 // | |
| 121 // it's not clear how one would differentiate between the three cases | |
| 122 // above, so for now we don't catch the exception | |
| 123 | |
| 124 // openURI | |
| 125 browserDOMWin.openURI(uriToSend, | |
| 126 null, // no window.opener | |
| 127 Ci.nsIBrowserDOMWindow.OPEN_DEFAULTWINDOW, | |
| 128 Ci.nsIBrowserDOMWindow.OPEN_NEW); | |
| 129 | |
| 130 return; | |
| 131 }, | |
| 132 | |
| 133 ////////////////////////////////////////////////////////////////////////////// | |
| 134 //// nsIWebHandlerApp | |
| 135 | |
| 136 get uriTemplate() { | |
| 137 return this._uriTemplate; | |
| 138 }, | |
| 139 | |
| 140 set uriTemplate(aURITemplate) { | |
| 141 this._uriTemplate = aURITemplate; | |
| 142 }, | |
| 143 | |
| 144 ////////////////////////////////////////////////////////////////////////////// | |
| 145 //// nsISupports | |
| 146 | |
| 147 QueryInterface: XPCOMUtils.generateQI([Ci.nsIWebHandlerApp, Ci.nsIHandlerApp]) | |
| 148 }; | |
| 149 | |
| 150 //////////////////////////////////////////////////////////////////////////////// | |
| 151 //// Module | |
| 152 | |
| 153 this.NSGetFactory = XPCOMUtils.generateNSGetFactory([nsWebHandlerApp]); | |
| 154 |
