summaryrefslogtreecommitdiffstats
path: root/browser/modules/AboutHome.jsm
blob: 639194c20c8bf60b3921c89590401bbb24cc52cd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

"use strict";

var Cc = Components.classes;
var Ci = Components.interfaces;
var Cu = Components.utils;

this.EXPORTED_SYMBOLS = [ "AboutHomeUtils", "AboutHome" ];

Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
Components.utils.import("resource://gre/modules/Services.jsm");

XPCOMUtils.defineLazyModuleGetter(this, "AppConstants",
  "resource://gre/modules/AppConstants.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "AutoMigrate",
  "resource:///modules/AutoMigrate.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "fxAccounts",
  "resource://gre/modules/FxAccounts.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
  "resource://gre/modules/PrivateBrowsingUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "Promise",
  "resource://gre/modules/Promise.jsm");

// Should be bumped up if any data content format changes.
const STARTPAGE_VERSION = 5;

this.AboutHomeUtils = {
  /*
   * showKnowYourRights - Determines if the user should be shown the
   * about:rights notification. The notification should *not* be shown if
   * we've already shown the current version, or if the override pref says to
   * never show it. The notification *should* be shown if it's never been seen
   * before, if a newer version is available, or if the override pref says to
   * always show it.
   */
  get showKnowYourRights() {
    // Look for an unconditional override pref. If set, do what it says.
    // (true --> never show, false --> always show)
    try {
      return !Services.prefs.getBoolPref("browser.rights.override");
    } catch (e) { }
    // Ditto, for the legacy EULA pref.
    try {
      return !Services.prefs.getBoolPref("browser.EULA.override");
    } catch (e) { }

    if (!AppConstants.MC_OFFICIAL) {
      // Non-official builds shouldn't show the notification.
      return false;
    }

    // Look to see if the user has seen the current version or not.
    var currentVersion = Services.prefs.getIntPref("browser.rights.version");
    try {
      return !Services.prefs.getBoolPref("browser.rights." + currentVersion + ".shown");
    } catch (e) { }

    // Legacy: If the user accepted a EULA, we won't annoy them with the
    // equivalent about:rights page until the version changes.
    try {
      return !Services.prefs.getBoolPref("browser.EULA." + currentVersion + ".accepted");
    } catch (e) { }

    // We haven't shown the notification before, so do so now.
    return true;
  }
};

/**
 * This code provides services to the about:home page. Whenever
 * about:home needs to do something chrome-privileged, it sends a
 * message that's handled here.
 */
var AboutHome = {
  MESSAGES: [
    "AboutHome:RestorePreviousSession",
    "AboutHome:Downloads",
    "AboutHome:Bookmarks",
    "AboutHome:History",
    "AboutHome:Addons",
    "AboutHome:Sync",
    "AboutHome:Settings",
    "AboutHome:RequestUpdate",
    "AboutHome:MaybeShowAutoMigrationUndoNotification",
  ],

  init: function() {
    let mm = Cc["@mozilla.org/globalmessagemanager;1"].getService(Ci.nsIMessageListenerManager);

    for (let msg of this.MESSAGES) {
      mm.addMessageListener(msg, this);
    }
  },

  receiveMessage: function(aMessage) {
    let window = aMessage.target.ownerGlobal;

    switch (aMessage.name) {
      case "AboutHome:RestorePreviousSession":
        let ss = Cc["@mozilla.org/browser/sessionstore;1"].
                 getService(Ci.nsISessionStore);
        if (ss.canRestoreLastSession) {
          ss.restoreLastSession();
        }
        break;

      case "AboutHome:Downloads":
        window.BrowserDownloadsUI();
        break;

      case "AboutHome:Bookmarks":
        window.PlacesCommandHook.showPlacesOrganizer("UnfiledBookmarks");
        break;

      case "AboutHome:History":
        window.PlacesCommandHook.showPlacesOrganizer("History");
        break;

      case "AboutHome:Addons":
        window.BrowserOpenAddonsMgr();
        break;

      case "AboutHome:Sync":
        window.openPreferences("paneSync", { urlParams: { entrypoint: "abouthome" } });
        break;

      case "AboutHome:Settings":
        window.openPreferences();
        break;

      case "AboutHome:RequestUpdate":
        this.sendAboutHomeData(aMessage.target);
        break;

      case "AboutHome:MaybeShowAutoMigrationUndoNotification":
        AutoMigrate.maybeShowUndoNotification(aMessage.target);
        break;
    }
  },

  // Send all the chrome-privileged data needed by about:home. This
  // gets re-sent when the search engine changes.
  sendAboutHomeData: function(target) {
    let wrapper = {};
    Components.utils.import("resource:///modules/sessionstore/SessionStore.jsm",
      wrapper);
    let ss = wrapper.SessionStore;

    ss.promiseInitialized.then(function() {
      let data = {
        showRestoreLastSession: ss.canRestoreLastSession,
        showKnowYourRights: AboutHomeUtils.showKnowYourRights
      };

      if (AboutHomeUtils.showKnowYourRights) {
        // Set pref to indicate we've shown the notification.
        let currentVersion = Services.prefs.getIntPref("browser.rights.version");
        Services.prefs.setBoolPref("browser.rights." + currentVersion + ".shown", true);
      }

      if (target && target.messageManager) {
        target.messageManager.sendAsyncMessage("AboutHome:Update", data);
      } else {
        let mm = Cc["@mozilla.org/globalmessagemanager;1"].getService(Ci.nsIMessageListenerManager);
        mm.broadcastAsyncMessage("AboutHome:Update", data);
      }
    }).then(null, function onError(x) {
      Cu.reportError("Error in AboutHome.sendAboutHomeData: " + x);
    });
  },

};