Bug 836010 - When startup is determined to be slow, tell users about ways to improve their startup time. r=felipe

browser/app/profile/firefox.js

@@ -234,6 +234,10 @@ pref("browser.shell.checkDefaultBrowser", true);
 pref("browser.startup.page",                1);
 pref("browser.startup.homepage",            "chrome://branding/locale/browserconfig.properties");
 
+pref("browser.slowStartup.notificationDisabled", false);
+pref("browser.slowStartup.timeThreshold", 60000);
+pref("browser.slowStartup.maxSamples", 5);
+
 // This url, if changed, MUST continue to point to an https url. Pulling arbitrary content to inject into
 // this page over http opens us up to a man-in-the-middle attack that we'd rather not face. If you are a downstream
 // repackager of this code using an alternate snippet url, please keep your users safe

browser/base/content/browser.xul

@@ -1149,6 +1149,7 @@
   </hbox>
 
   <vbox id="browser-bottombox" layer="true">
+    <notificationbox id="global-notificationbox"/>
     <toolbar id="developer-toolbar"
              class="devtools-toolbar"
              hidden="true">

browser/components/nsBrowserGlue.js

@@ -406,6 +406,64 @@ BrowserGlue.prototype = {
     }
   },
 
+  _trackSlowStartup: function () {
+    if (Services.prefs.getBoolPref("browser.slowStartup.notificationDisabled"))
+      return;
+
+    let currentTime = Date.now() - Services.startup.getStartupInfo().process;
+    let averageTime = 0;
+    let samples = 0;
+    try {
+      averageTime = Services.prefs.getIntPref("browser.slowStartup.averageTime");
+      samples = Services.prefs.getIntPref("browser.slowStartup.samples");
+    } catch (e) { }
+
+    averageTime = (averageTime * samples + currentTime) / ++samples;
+
+    if (samples >= Services.prefs.getIntPref("browser.slowStartup.maxSamples")) {
+      if (averageTime > Services.prefs.getIntPref("browser.slowStartup.timeThreshold"))
+        this._showSlowStartupNotification();
+      averageTime = 0;
+      samples = 0;
+    }
+
+    Services.prefs.setIntPref("browser.slowStartup.averageTime", averageTime);
+    Services.prefs.setIntPref("browser.slowStartup.samples", samples);
+  },
+
+  _showSlowStartupNotification: function () {
+    let win = this.getMostRecentBrowserWindow();
+    if (!win)
+      return;
+
+    let productName = Services.strings
+                              .createBundle("chrome://branding/locale/brand.properties")
+                              .GetStringFromName("brandFullName");
+    let message = win.gNavigatorBundle.getFormattedString("slowStartup.message", [productName]);
+
+    let buttons = [
+      {
+        label:     win.gNavigatorBundle.getString("slowStartup.helpButton.label"),
+        accessKey: win.gNavigatorBundle.getString("slowStartup.helpButton.accesskey"),
+        callback: function () {
+          win.openUILinkIn("https://support.mozilla.org/kb/firefox-takes-long-time-start-up", "tab");
+        }
+      },
+      {
+        label:     win.gNavigatorBundle.getString("slowStartup.disableNotificationButton.label"),
+        accessKey: win.gNavigatorBundle.getString("slowStartup.disableNotificationButton.accesskey"),
+        callback: function () {
+          Services.prefs.setBoolPref("browser.slowStartup.notificationDisabled", true);
+        }
+      }
+    ];
+
+    let nb = win.document.getElementById("global-notificationbox");
+    nb.appendNotification(message, "slow-startup",
+                          "chrome://browser/skin/slowStartup-16.png",
+                          nb.PRIORITY_INFO_LOW, buttons);
+  },
+
   // the first browser window has finished initializing
   _onFirstWindowLoaded: function BG__onFirstWindowLoaded() {
 #ifdef XP_WIN
@@ -418,6 +476,8 @@ BrowserGlue.prototype = {
       temp.WinTaskbarJumpList.startup();
     }
 #endif
+
+    this._trackSlowStartup();
   },
 
   /**

browser/locales/en-US/chrome/browser/browser.properties

@@ -443,3 +443,10 @@ mixedContentBlocked.keepBlockingButton.label = Keep Blocking
 mixedContentBlocked.keepBlockingButton.accesskey = B
 mixedContentBlocked.unblock.label = Disable Protection on This Page
 mixedContentBlocked.unblock.accesskey = D
+
+# LOCALIZATION NOTE - %S is brandShortName
+slowStartup.message = %S seems slow… to… start.
+slowStartup.helpButton.label = Learn How to Speed It Up
+slowStartup.helpButton.accesskey = L
+slowStartup.disableNotificationButton.label = Don't Tell Me Again
+slowStartup.disableNotificationButton.accesskey = A

browser/themes/gnomestripe/jar.mn

@@ -19,6 +19,7 @@ browser.jar:
 #endif
   skin/classic/browser/actionicon-tab.png
 * skin/classic/browser/browser.css
+  skin/classic/browser/click-to-play-warning-stripes.png
 * skin/classic/browser/engineManager.css
   skin/classic/browser/Geolocation-16.png
   skin/classic/browser/Geolocation-64.png
@@ -43,7 +44,7 @@ browser.jar:
   skin/classic/browser/Secure.png
   skin/classic/browser/Security-broken.png
   skin/classic/browser/setDesktopBackground.css
-  skin/classic/browser/click-to-play-warning-stripes.png
+  skin/classic/browser/slowStartup-16.png
   skin/classic/browser/Toolbar.png
   skin/classic/browser/Toolbar-small.png
   skin/classic/browser/urlbar-arrow.png

browser/themes/pinstripe/jar.mn

@@ -19,6 +19,7 @@ browser.jar:
   skin/classic/browser/actionicon-tab.png
   skin/classic/browser/actionicon-tab@2x.png
 * skin/classic/browser/browser.css                          (browser.css)
+  skin/classic/browser/click-to-play-warning-stripes.png
 * skin/classic/browser/engineManager.css                    (engineManager.css)
   skin/classic/browser/Geolocation-16.png
   skin/classic/browser/Geolocation-16@2x.png
@@ -36,6 +37,7 @@ browser.jar:
   skin/classic/browser/identity-icons-https-mixed-active.png
   skin/classic/browser/identity-icons-https-mixed-active@2x.png
   skin/classic/browser/Info.png
+  skin/classic/browser/keyhole-circle.png
   skin/classic/browser/KUI-background.png
   skin/classic/browser/KUI-close.png
   skin/classic/browser/menu-back.png
@@ -65,8 +67,7 @@ browser.jar:
   skin/classic/browser/Search@2x.png
   skin/classic/browser/Secure-Glyph.png
   skin/classic/browser/Secure-Glyph@2x.png
-  skin/classic/browser/click-to-play-warning-stripes.png
-  skin/classic/browser/keyhole-circle.png
+  skin/classic/browser/slowStartup-16.png
   skin/classic/browser/Toolbar.png
   skin/classic/browser/toolbarbutton-dropmarker.png
   skin/classic/browser/urlbar-history-dropmarker.png

browser/themes/winstripe/jar.mn

@@ -23,6 +23,7 @@ browser.jar:
         skin/classic/browser/appmenu-icons.png
         skin/classic/browser/appmenu-dropmarker.png
 *       skin/classic/browser/browser.css
+        skin/classic/browser/click-to-play-warning-stripes.png
 *       skin/classic/browser/engineManager.css
         skin/classic/browser/Geolocation-16.png
         skin/classic/browser/Geolocation-64.png
@@ -53,7 +54,7 @@ browser.jar:
         skin/classic/browser/searchbar-dropdown-arrow.png
         skin/classic/browser/Secure24.png
         skin/classic/browser/setDesktopBackground.css
-        skin/classic/browser/click-to-play-warning-stripes.png
+        skin/classic/browser/slowStartup-16.png
         skin/classic/browser/Toolbar.png
         skin/classic/browser/Toolbar-inverted.png
         skin/classic/browser/toolbarbutton-dropdown-arrow.png
@@ -251,6 +252,7 @@ browser.jar:
         skin/classic/aero/browser/appmenu-dropmarker.png
         skin/classic/aero/browser/appmenu-icons.png
 *       skin/classic/aero/browser/browser.css                        (browser-aero.css)
+        skin/classic/aero/browser/click-to-play-warning-stripes.png
 *       skin/classic/aero/browser/engineManager.css
         skin/classic/aero/browser/Geolocation-16.png
         skin/classic/aero/browser/Geolocation-64.png
@@ -281,7 +283,7 @@ browser.jar:
         skin/classic/aero/browser/searchbar-dropdown-arrow.png       (searchbar-dropdown-arrow-aero.png)
         skin/classic/aero/browser/Secure24.png                       (Secure24-aero.png)
         skin/classic/aero/browser/setDesktopBackground.css
-        skin/classic/aero/browser/click-to-play-warning-stripes.png
+        skin/classic/aero/browser/slowStartup-16.png
         skin/classic/aero/browser/Toolbar.png
         skin/classic/aero/browser/Toolbar-inverted.png
         skin/classic/aero/browser/toolbarbutton-dropdown-arrow.png