toolkit/modules/RemoteWebNavigation.jsm

   1 // -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
   2 // This Source Code Form is subject to the terms of the Mozilla Public
   3 // License, v. 2.0. If a copy of the MPL was not distributed with this
   4 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
   5
   6 this.EXPORTED_SYMBOLS = ["RemoteWebNavigation"];
   7
   8 const Ci = Components.interfaces;
   9 const Cc = Components.classes;
  10 const Cu = Components.utils;
  11
  12 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
  13
  14 function makeURI(url)
  15 {
  16   return Cc["@mozilla.org/network/io-service;1"].
  17          getService(Ci.nsIIOService).
  18          newURI(url, null, null);
  19 }
  20
  21 function RemoteWebNavigation(browser)
  22 {
  23   this._browser = browser;
  24   this._browser.messageManager.addMessageListener("WebNavigation:setHistory", this);
  25 }
  26
  27 RemoteWebNavigation.prototype = {
  28   QueryInterface: XPCOMUtils.generateQI([Ci.nsIWebNavigation, Ci.nsISupports]),
  29
  30   LOAD_FLAGS_MASK: 65535,
  31   LOAD_FLAGS_NONE: 0,
  32   LOAD_FLAGS_IS_REFRESH: 16,
  33   LOAD_FLAGS_IS_LINK: 32,
  34   LOAD_FLAGS_BYPASS_HISTORY: 64,
  35   LOAD_FLAGS_REPLACE_HISTORY: 128,
  36   LOAD_FLAGS_BYPASS_CACHE: 256,
  37   LOAD_FLAGS_BYPASS_PROXY: 512,
  38   LOAD_FLAGS_CHARSET_CHANGE: 1024,
  39   LOAD_FLAGS_STOP_CONTENT: 2048,
  40   LOAD_FLAGS_FROM_EXTERNAL: 4096,
  41   LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP: 8192,
  42   LOAD_FLAGS_FIRST_LOAD: 16384,
  43   LOAD_FLAGS_ALLOW_POPUPS: 32768,
  44   LOAD_FLAGS_BYPASS_CLASSIFIER: 65536,
  45   LOAD_FLAGS_FORCE_ALLOW_COOKIES: 131072,
  46
  47   STOP_NETWORK: 1,
  48   STOP_CONTENT: 2,
  49   STOP_ALL: 3,
  50
  51   canGoBack: false,
  52   canGoForward: false,
  53   goBack: function() {
  54     this._sendMessage("WebNavigation:GoBack", {});
  55   },
  56   goForward: function() {
  57     this._sendMessage("WebNavigation:GoForward", {});
  58   },
  59   gotoIndex: function(aIndex) {
  60     this._sendMessage("WebNavigation:GotoIndex", {index: aIndex});
  61   },
  62   loadURI: function(aURI, aLoadFlags, aReferrer, aPostData, aHeaders) {
  63     this._browser._contentTitle = "";
  64     this._sendMessage("WebNavigation:LoadURI", {uri: aURI, flags: aLoadFlags});
  65   },
  66   reload: function(aReloadFlags) {
  67     this._sendMessage("WebNavigation:Reload", {flags: aReloadFlags});
  68   },
  69   stop: function(aStopFlags) {
  70     this._sendMessage("WebNavigation:Stop", {flags: aStopFlags});
  71   },
  72
  73   get document() {
  74     return this._browser.contentDocument;
  75   },
  76
  77   _currentURI: null,
  78   get currentURI() {
  79     if (!this._currentURI) {
  80       this._currentURI = makeURI("about:blank");
  81     }
  82
  83     return this._currentURI;
  84   },
  85   set currentURI(aURI) {
  86     this.loadURI(aURI.spec, null, null, null);
  87   },
  88
  89   referringURI: null,
  90
  91   _sessionHistory: null,
  92   get sessionHistory() { return this._sessionHistory; },
  93   set sessionHistory(aValue) { },
  94
  95   _sendMessage: function(aMessage, aData) {
  96     try {
  97       this._browser.messageManager.sendAsyncMessage(aMessage, aData);
  98     }
  99     catch (e) {
 100       Cu.reportError(e);
 101     }
 102   },
 103
 104   receiveMessage: function(aMessage) {
 105     switch (aMessage.name) {
 106       case "WebNavigation:setHistory":
 107         this._sessionHistory = aMessage.objects.history;
 108         break;
 109     }
 110   }
 111 };