Add a function triggering extension installed to ExtensionRegistryObserver

chrome/browser/extensions/install_tracker.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/install_tracker.h"
 
 #include "base/bind.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/install_tracker_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/notification_service.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/pref_names.h"
 
 namespace extensions {
 
 InstallTracker::InstallTracker(Profile* profile,
                                extensions::ExtensionPrefs* prefs)
     : extension_registry_observer_(this) {
   extension_registry_observer_.Add(ExtensionRegistry::Get(profile));
 
-  registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_INSTALLED,
-      content::Source<Profile>(profile));
   registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNINSTALLED,
       content::Source<Profile>(profile));
   registrar_.Add(this,
                  chrome::NOTIFICATION_EXTENSION_UPDATE_DISABLED,
                  content::Source<Profile>(profile));
   AppSorting* sorting = prefs->app_sorting();
   registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LAUNCHER_REORDERED,
       content::Source<AppSorting>(sorting));
   registrar_.Add(this, chrome::NOTIFICATION_APP_INSTALLED_TO_APPLIST,
       content::Source<Profile>(profile));
@@ skipping 52 matching lines @@
 void InstallTracker::OnInstallFailure(
     const std::string& extension_id) {
   FOR_EACH_OBSERVER(InstallObserver, observers_,
                     OnInstallFailure(extension_id));
 }
 
 void InstallTracker::Shutdown() {
   FOR_EACH_OBSERVER(InstallObserver, observers_, OnShutdown());
 }
 
-void InstallTracker::OnExtensionLoaded(content::BrowserContext* browser_context,
-                                       const Extension* extension) {
-  FOR_EACH_OBSERVER(InstallObserver, observers_, OnExtensionLoaded(extension));
-}
-
-void InstallTracker::OnExtensionUnloaded(
-    content::BrowserContext* browser_context,
-    const Extension* extension,
-    UnloadedExtensionInfo::Reason reason) {
-  FOR_EACH_OBSERVER(
-      InstallObserver, observers_, OnExtensionUnloaded(extension));
-}
-
 void InstallTracker::Observe(int type,
                              const content::NotificationSource& source,
                              const content::NotificationDetails& details) {
   switch (type) {
-    case chrome::NOTIFICATION_EXTENSION_INSTALLED: {
-      const Extension* extension =
-          content::Details<const InstalledExtensionInfo>(details).ptr()->
-              extension;
-      FOR_EACH_OBSERVER(InstallObserver, observers_,
-                        OnExtensionInstalled(extension));
-      break;
-    }
     case chrome::NOTIFICATION_EXTENSION_UNINSTALLED: {
       const Extension* extension =
           content::Details<const Extension>(details).ptr();
 
       FOR_EACH_OBSERVER(InstallObserver, observers_,
                         OnExtensionUninstalled(extension));
       break;
     }
     case chrome::NOTIFICATION_EXTENSION_UPDATE_DISABLED: {
       const Extension* extension =
@@ skipping 11 matching lines @@
           *content::Details<const std::string>(details).ptr());
       FOR_EACH_OBSERVER(InstallObserver, observers_,
                         OnAppInstalledToAppList(extension_id));
       break;
     }
     default:
       NOTREACHED();
   }
 }
 
+void InstallTracker::OnExtensionLoaded(content::BrowserContext* browser_context,
+                                       const Extension* extension) {
+  FOR_EACH_OBSERVER(InstallObserver, observers_, OnExtensionLoaded(extension));
+}
+
+void InstallTracker::OnExtensionUnloaded(
+    content::BrowserContext* browser_context,
+    const Extension* extension,
+    UnloadedExtensionInfo::Reason reason) {
+  FOR_EACH_OBSERVER(
+      InstallObserver, observers_, OnExtensionUnloaded(extension));
+}
+
+void InstallTracker::OnExtensionWillBeInstalled(
+    content::BrowserContext* browser_context,
+    const Extension* extension,
+    bool is_update,
+    const std::string& old_name) {
+  FOR_EACH_OBSERVER(
+      InstallObserver, observers_, OnExtensionInstalled(extension));
+}
+
 void InstallTracker::OnAppsReordered() {
   FOR_EACH_OBSERVER(InstallObserver, observers_, OnAppsReordered());
 }
 
 }  // namespace extensions