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[tor-commits] [tor-browser/tor-browser-85.0b9-10.5-1] Bug 31575: Replace Firefox Home (newtab) with about:tor



commit 8a1081b4c6d0fd1a6350c9fae8f7acb310bb5414
Author: Alex Catarineu <acat@xxxxxxxxxxxxxx>
Date:   Mon Sep 9 13:04:34 2019 +0200

    Bug 31575: Replace Firefox Home (newtab) with about:tor
    
    Avoid loading AboutNewTab in BrowserGlue.jsm in order
    to avoid several network requests that we do not need. Besides,
    about:newtab will now point to about:blank or about:tor (depending
    on browser.newtabpage.enabled) and about:home will point to
    about:tor.
---
 browser/components/BrowserGlue.jsm               | 33 ++----------------------
 browser/components/newtab/AboutNewTabService.jsm | 15 +----------
 browser/components/preferences/home.inc.xhtml    |  4 +--
 browser/components/preferences/preferences.xhtml |  5 +++-
 browser/modules/HomePage.jsm                     |  2 +-
 5 files changed, 10 insertions(+), 49 deletions(-)

diff --git a/browser/components/BrowserGlue.jsm b/browser/components/BrowserGlue.jsm
index 7dd8f0595cf9..613187e2b167 100644
--- a/browser/components/BrowserGlue.jsm
+++ b/browser/components/BrowserGlue.jsm
@@ -18,7 +18,6 @@ const { AppConstants } = ChromeUtils.import(
 );
 
 XPCOMUtils.defineLazyModuleGetters(this, {
-  AboutNewTab: "resource:///modules/AboutNewTab.jsm",
   ActorManagerParent: "resource://gre/modules/ActorManagerParent.jsm",
   AddonManager: "resource://gre/modules/AddonManager.jsm",
   AppMenuNotifications: "resource://gre/modules/AppMenuNotifications.jsm",
@@ -220,28 +219,6 @@ let JSWINDOWACTORS = {
     matches: ["about:newinstall"],
   },
 
-  AboutNewTab: {
-    parent: {
-      moduleURI: "resource:///actors/AboutNewTabParent.jsm",
-    },
-    child: {
-      moduleURI: "resource:///actors/AboutNewTabChild.jsm",
-      events: {
-        DOMContentLoaded: {},
-        pageshow: {},
-        visibilitychange: {},
-      },
-    },
-    // The wildcard on about:newtab is for the ?endpoint query parameter
-    // that is used for snippets debugging. The wildcard for about:home
-    // is similar, and also allows for falling back to loading the
-    // about:home document dynamically if an attempt is made to load
-    // about:home?jscache from the AboutHomeStartupCache as a top-level
-    // load.
-    matches: ["about:home*", "about:welcome", "about:newtab*"],
-    remoteTypes: ["privilegedabout"],
-  },
-
   AboutPlugins: {
     parent: {
       moduleURI: "resource:///actors/AboutPluginsParent.jsm",
@@ -1774,8 +1751,6 @@ BrowserGlue.prototype = {
 
   // the first browser window has finished initializing
   _onFirstWindowLoaded: function BG__onFirstWindowLoaded(aWindow) {
-    AboutNewTab.init();
-
     TabCrashHandler.init();
 
     ProcessHangMonitor.init();
@@ -5211,12 +5186,8 @@ var AboutHomeStartupCache = {
       return { pageInputStream: null, scriptInputStream: null };
     }
 
-    let state = AboutNewTab.activityStream.store.getState();
-    return new Promise(resolve => {
-      this._cacheDeferred = resolve;
-      this.log.trace("Parent is requesting cache streams.");
-      this._procManager.sendAsyncMessage(this.CACHE_REQUEST_MESSAGE, { state });
-    });
+    this.log.error("Activity Stream is disabled in Tor Browser.");
+    return { pageInputStream: null, scriptInputStream: null };
   },
 
   /**
diff --git a/browser/components/newtab/AboutNewTabService.jsm b/browser/components/newtab/AboutNewTabService.jsm
index 65e4d38b8d42..9d6fcbe063a0 100644
--- a/browser/components/newtab/AboutNewTabService.jsm
+++ b/browser/components/newtab/AboutNewTabService.jsm
@@ -430,20 +430,7 @@ class BaseAboutNewTabService {
    * the newtab page has no effect on the result of this function.
    */
   get defaultURL() {
-    // Generate the desired activity stream resource depending on state, e.g.,
-    // "resource://activity-stream/prerendered/activity-stream.html"
-    // "resource://activity-stream/prerendered/activity-stream-debug.html"
-    // "resource://activity-stream/prerendered/activity-stream-noscripts.html"
-    return [
-      "resource://activity-stream/prerendered/",
-      "activity-stream",
-      // Debug version loads dev scripts but noscripts separately loads scripts
-      this.activityStreamDebug && !this.privilegedAboutProcessEnabled
-        ? "-debug"
-        : "",
-      this.privilegedAboutProcessEnabled ? "-noscripts" : "",
-      ".html",
-    ].join("");
+    return "about:tor";
   }
 
   get welcomeURL() {
diff --git a/browser/components/preferences/home.inc.xhtml b/browser/components/preferences/home.inc.xhtml
index c348e1cf754b..c37dc5e731f6 100644
--- a/browser/components/preferences/home.inc.xhtml
+++ b/browser/components/preferences/home.inc.xhtml
@@ -33,7 +33,7 @@
                 class="check-home-page-controlled"
                 data-preference-related="browser.startup.homepage">
         <menupopup>
-          <menuitem value="0" data-l10n-id="home-mode-choice-default" />
+          <menuitem value="0" label="&aboutTor.title;" />
           <menuitem value="2" data-l10n-id="home-mode-choice-custom" />
           <menuitem value="1" data-l10n-id="home-mode-choice-blank" />
         </menupopup>
@@ -85,7 +85,7 @@
         Preferences so we need to handle setting the pref manually.-->
       <menulist id="newTabMode" flex="1" data-preference-related="browser.newtabpage.enabled">
         <menupopup>
-          <menuitem value="0" data-l10n-id="home-mode-choice-default" />
+          <menuitem value="0" label="&aboutTor.title;" />
           <menuitem value="1" data-l10n-id="home-mode-choice-blank" />
         </menupopup>
       </menulist>
diff --git a/browser/components/preferences/preferences.xhtml b/browser/components/preferences/preferences.xhtml
index 7464274ac4d7..5f218b7f3e4b 100644
--- a/browser/components/preferences/preferences.xhtml
+++ b/browser/components/preferences/preferences.xhtml
@@ -14,7 +14,10 @@
 <?xml-stylesheet href="chrome://browser/skin/preferences/privacy.css"?>
 <?xml-stylesheet href="chrome://browser/content/securitylevel/securityLevelPreferences.css"?>
 
-<!DOCTYPE html>
+<!DOCTYPE html [
+<!ENTITY % aboutTorDTD SYSTEM "chrome://torbutton/locale/aboutTor.dtd">
+  %aboutTorDTD;
+]>
 
 <html xmlns="http://www.w3.org/1999/xhtml";
         xmlns:html="http://www.w3.org/1999/xhtml";
diff --git a/browser/modules/HomePage.jsm b/browser/modules/HomePage.jsm
index c903787fde48..bf67b1c5d173 100644
--- a/browser/modules/HomePage.jsm
+++ b/browser/modules/HomePage.jsm
@@ -20,7 +20,7 @@ XPCOMUtils.defineLazyModuleGetters(this, {
 });
 
 const kPrefName = "browser.startup.homepage";
-const kDefaultHomePage = "about:home";
+const kDefaultHomePage = "about:tor";
 const kExtensionControllerPref =
   "browser.startup.homepage_override.extensionControlled";
 const kHomePageIgnoreListId = "homepage-urls";



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