chrome/browser/ui/app_list/app_list_service_disabled.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/files/file_path.h"
   6 #include "base/memory/singleton.h"
   7 #include "chrome/browser/ui/app_list/app_list_service.h"
   8
   9 namespace {
  10
  11 class AppListServiceDisabled : public AppListService {
  12  public:
  13   static AppListServiceDisabled* GetInstance() {
  14     return base::Singleton<
  15         AppListServiceDisabled,
  16         base::LeakySingletonTraits<AppListServiceDisabled>>::get();
  17   }
  18
  19  private:
  20   friend struct base::DefaultSingletonTraits<AppListServiceDisabled>;
  21
  22   AppListServiceDisabled() {}
  23
  24   // AppListService overrides:
  25   void SetAppListNextPaintCallback(void (*callback)()) override {}
  26   void Init(Profile* initial_profile) override {}
  27
  28   base::FilePath GetProfilePath(const base::FilePath& user_data_dir) override {
  29     return base::FilePath();
  30   }
  31   void SetProfilePath(const base::FilePath& profile_path) override {}
  32
  33   void Show() override {}
  34   void ShowForProfile(Profile* profile) override {}
  35   void ShowForVoiceSearch(
  36       Profile* profile,
  37       const scoped_refptr<content::SpeechRecognitionSessionPreamble>& preamble)
  38       override {}
  39   void HideCustomLauncherPage() override {}
  40   void ShowForAppInstall(Profile* profile,
  41                          const std::string& extension_id,
  42                          bool start_discovery_tracking) override {}
  43   void DismissAppList() override {}
  44   void ShowForCustomLauncherPage(Profile* profile) override {}
  45
  46   Profile* GetCurrentAppListProfile() override { return nullptr; }
  47   bool IsAppListVisible() const override { return false; }
  48   void EnableAppList(Profile* initial_profile,
  49                      AppListEnableSource enable_source) override {}
  50   gfx::NativeWindow GetAppListWindow() override { return nullptr; }
  51   AppListControllerDelegate* GetControllerDelegate() override {
  52     return nullptr;
  53   }
  54   void CreateShortcut() override {}
  55
  56   DISALLOW_COPY_AND_ASSIGN(AppListServiceDisabled);
  57 };
  58
  59 }  // namespace
  60
  61 // static
  62 AppListService* AppListService::Get(chrome::HostDesktopType desktop_type) {
  63   return AppListServiceDisabled::GetInstance();
  64 }
  65
  66 // static
  67 void AppListService::InitAll(Profile* initial_profile,
  68                              const base::FilePath& profile_path) {}
  69
  70 // static
  71 void AppListService::RegisterPrefs(PrefRegistrySimple* registry) {}
  72
  73 // static
  74 bool AppListService::HandleLaunchCommandLine(
  75     const base::CommandLine& command_line,
  76     Profile* launch_profile) {
  77   return false;
  78 }