Hide experimental app list Google logo and custom launcher page when search engine is not Google.

chrome/browser/ui/app_list/app_list_view_delegate.cc

 // Copyright (c) 2012 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/ui/app_list/app_list_view_delegate.h"
 
 #include <vector>
 
 #include "apps/custom_launcher_page_contents.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/metrics/user_metrics.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/stl_util.h"
 #include "chrome/browser/apps/scoped_keep_alive.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/search/hotword_service.h"
 #include "chrome/browser/search/hotword_service_factory.h"
+#include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/browser/ui/app_list/app_list_controller_delegate.h"
 #include "chrome/browser/ui/app_list/app_list_service.h"
 #include "chrome/browser/ui/app_list/app_list_syncable_service.h"
 #include "chrome/browser/ui/app_list/app_list_syncable_service_factory.h"
 #include "chrome/browser/ui/app_list/launcher_page_event_dispatcher.h"
 #include "chrome/browser/ui/app_list/search/search_controller_factory.h"
 #include "chrome/browser/ui/app_list/search/search_resource_manager.h"
 #include "chrome/browser/ui/app_list/start_page_service.h"
 #include "chrome/browser/ui/apps/chrome_app_delegate.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/chrome_pages.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
 #include "chrome/browser/web_applications/web_app.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/url_constants.h"
+#include "components/search_engines/template_url_prepopulate_data.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/page_navigator.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/speech_recognition_session_preamble.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/extension_registry.h"
@@ skipping 101 matching lines @@
   }
 }
 
 }  // namespace
 
 AppListViewDelegate::AppListViewDelegate(AppListControllerDelegate* controller)
     : controller_(controller),
       profile_(NULL),
       model_(NULL),
       is_voice_query_(false),
+      template_url_service_observer_(this),
       scoped_observer_(this) {
   // TODO(vadimt): Remove ScopedTracker below once crbug.com/431326 is fixed.
   tracked_objects::ScopedTracker tracking_profile(
       FROM_HERE_WITH_EXPLICIT_FUNCTION(
           "431326 AppListViewDelegate::AppListViewDelegate"));
 
   CHECK(controller_);
   // The SigninManagerFactor and the SigninManagers are observed to keep the
   // profile switcher menu up to date, with the correct list of profiles and the
   // correct email address (or none for signed out users) for each.
@@ skipping 108 matching lines @@
             "431326 AppListViewDelegate::SetProfile2"));
 
     speech_ui_->SetSpeechRecognitionState(app_list::SPEECH_RECOGNITION_OFF);
     return;
   }
 
   // TODO(vadimt): Remove ScopedTracker below once crbug.com/431326 is fixed.
   tracked_objects::ScopedTracker tracking_profile3(
       FROM_HERE_WITH_EXPLICIT_FUNCTION(
           "431326 AppListViewDelegate::SetProfile3"));
+  template_url_service_observer_.RemoveAll();
+  template_url_service_observer_.Add(
+      TemplateURLServiceFactory::GetForProfile(profile_));
 
   model_ =
       app_list::AppListSyncableServiceFactory::GetForProfile(profile_)->model();
 
 #if defined(USE_ASH)
   app_sync_ui_state_watcher_.reset(new AppSyncUIStateWatcher(profile_, model_));
 #endif
 
   SetUpSearchUI();
   SetUpProfileSwitcher();
   SetUpCustomLauncherPages();
+  OnTemplateURLServiceChanged();
 
   // TODO(vadimt): Remove ScopedTracker below once crbug.com/431326 is fixed.
   tracked_objects::ScopedTracker tracking_profile4(
       FROM_HERE_WITH_EXPLICIT_FUNCTION(
           "431326 AppListViewDelegate::SetProfile4"));
 
   // Clear search query.
   model_->search_box()->SetText(base::string16());
 }
 
@@ skipping 456 matching lines @@
 void AppListViewDelegate::AddObserver(
     app_list::AppListViewDelegateObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 void AppListViewDelegate::RemoveObserver(
     app_list::AppListViewDelegateObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
+void AppListViewDelegate::OnTemplateURLServiceChanged() {
+  TemplateURLService* template_url_service =
+      TemplateURLServiceFactory::GetForProfile(profile_);
+  const TemplateURL* default_provider =
+      template_url_service->GetDefaultSearchProvider();
+  bool is_google =
+      TemplateURLPrepopulateData::GetEngineType(
+          *default_provider, template_url_service->search_terms_data()) ==
+      SEARCH_ENGINE_GOOGLE;
+
+  model_->SetSearchEngineIsGoogle(is_google);
+
+  app_list::StartPageService* start_page_service =
+      app_list::StartPageService::Get(profile_);
+  if (start_page_service)
+    start_page_service->set_search_engine_is_google(is_google);
+}
+
 void AppListViewDelegate::Observe(int type,
                                   const content::NotificationSource& source,
                                   const content::NotificationDetails& details) {
   switch (type) {
     case chrome::NOTIFICATION_APP_TERMINATING:
       FOR_EACH_OBSERVER(
           app_list::AppListViewDelegateObserver, observers_, OnShutdown());
 
       SetProfile(NULL);  // Ensures launcher page web contents are torn down.
 
       // SigninManagerFactory is not a leaky singleton (unlike this class), and
       // its destructor will check that it has no remaining observers.
       scoped_observer_.RemoveAll();
       SigninManagerFactory::GetInstance()->RemoveObserver(this);
       break;
     default:
       NOTREACHED();
   }
 }