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/* 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");
// Url to fetch snippets, in the urlFormatter service format.
const SNIPPETS_URL_PREF = "browser.aboutHomeSnippets.updateUrl";
// Should be bumped up if the snippets content format changes.
const STARTPAGE_VERSION = 4;
this.AboutHomeUtils = {
get snippetsVersion() {
return STARTPAGE_VERSION;
},
/*
* 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.MOZILLA_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;
}
};
/**
* Returns the URL to fetch snippets from, in the urlFormatter service format.
*/
XPCOMUtils.defineLazyGetter(AboutHomeUtils, "snippetsURL", function() {
let updateURL = Services.prefs
.getCharPref(SNIPPETS_URL_PREF)
.replace("%STARTPAGE_VERSION%", STARTPAGE_VERSION);
return Services.urlFormatter.formatURL(updateURL);
});
/**
* 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,
snippetsURL: AboutHomeUtils.snippetsURL,
showKnowYourRights: AboutHomeUtils.showKnowYourRights,
snippetsVersion: AboutHomeUtils.snippetsVersion,
};
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);
});
},
};
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