src/chrome/browser/ui/app_list/app_list_view_delegate.h

   1 // Copyright (c) 2012 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 #ifndef CHROME_BROWSER_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
   6 #define CHROME_BROWSER_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/callback_forward.h"
  12 #include "base/compiler_specific.h"
  13 #include "base/memory/scoped_ptr.h"
  14 #include "base/memory/scoped_vector.h"
  15 #include "base/observer_list.h"
  16 #include "base/scoped_observer.h"
  17 #include "chrome/browser/profiles/profile_info_cache_observer.h"
  18 #include "chrome/browser/search/hotword_client.h"
  19 #include "chrome/browser/signin/signin_manager_factory.h"
  20 #include "chrome/browser/ui/app_list/start_page_observer.h"
  21 #include "components/signin/core/browser/signin_manager_base.h"
  22 #include "content/public/browser/notification_observer.h"
  23 #include "content/public/browser/notification_registrar.h"
  24 #include "ui/app_list/app_list_view_delegate.h"
  25
  26 class AppListControllerDelegate;
  27 class Profile;
  28
  29 namespace apps {
  30 class CustomLauncherPageContents;
  31 }
  32
  33 namespace app_list {
  34 class SearchController;
  35 class SearchResourceManager;
  36 class SpeechUIModel;
  37 }
  38
  39 namespace base {
  40 class FilePath;
  41 }
  42
  43 namespace gfx {
  44 class ImageSkia;
  45 }
  46
  47 #if defined(USE_ASH)
  48 class AppSyncUIStateWatcher;
  49 #endif
  50
  51 class AppListViewDelegate : public app_list::AppListViewDelegate,
  52                             public app_list::StartPageObserver,
  53                             public HotwordClient,
  54                             public ProfileInfoCacheObserver,
  55                             public SigninManagerBase::Observer,
  56                             public SigninManagerFactory::Observer,
  57                             public content::NotificationObserver {
  58  public:
  59   // Constructs Chrome's AppListViewDelegate with a NULL Profile.
  60   // Does not take ownership of |controller|. TODO(tapted): It should.
  61   explicit AppListViewDelegate(AppListControllerDelegate* controller);
  62   ~AppListViewDelegate() override;
  63
  64   // Configure the AppList for the given |profile|.
  65   void SetProfile(Profile* profile);
  66   Profile* profile() { return profile_; }
  67
  68   // Overridden from app_list::AppListViewDelegate:
  69   bool ForceNativeDesktop() const override;
  70   void SetProfileByPath(const base::FilePath& profile_path) override;
  71   app_list::AppListModel* GetModel() override;
  72   app_list::SpeechUIModel* GetSpeechUI() override;
  73   void GetShortcutPathForApp(
  74       const std::string& app_id,
  75       const base::Callback<void(const base::FilePath&)>& callback) override;
  76   void StartSearch() override;
  77   void StopSearch() override;
  78   void OpenSearchResult(app_list::SearchResult* result,
  79                         bool auto_launch,
  80                         int event_flags) override;
  81   void InvokeSearchResultAction(app_list::SearchResult* result,
  82                                 int action_index,
  83                                 int event_flags) override;
  84   base::TimeDelta GetAutoLaunchTimeout() override;
  85   void AutoLaunchCanceled() override;
  86   void ViewInitialized() override;
  87   void Dismiss() override;
  88   void ViewClosing() override;
  89   gfx::ImageSkia GetWindowIcon() override;
  90   void OpenSettings() override;
  91   void OpenHelp() override;
  92   void OpenFeedback() override;
  93   void ToggleSpeechRecognition() override;
  94   void ShowForProfileByPath(const base::FilePath& profile_path) override;
  95 #if defined(TOOLKIT_VIEWS)
  96   views::View* CreateStartPageWebView(const gfx::Size& size) override;
  97   std::vector<views::View*> CreateCustomPageWebViews(
  98       const gfx::Size& size) override;
  99 #endif
 100   bool IsSpeechRecognitionEnabled() override;
 101   const Users& GetUsers() const override;
 102   bool ShouldCenterWindow() const override;
 103   void AddObserver(app_list::AppListViewDelegateObserver* observer) override;
 104   void RemoveObserver(app_list::AppListViewDelegateObserver* observer) override;
 105
 106  private:
 107   // Updates the speech webview and start page for the current |profile_|.
 108   void SetUpSearchUI();
 109
 110   // Updates the app list's ProfileMenuItems for the current |profile_|.
 111   void SetUpProfileSwitcher();
 112
 113   // Updates the app list's custom launcher pages for the current |profile_|.
 114   void SetUpCustomLauncherPages();
 115
 116   // Overridden from app_list::StartPageObserver:
 117   void OnSpeechResult(const base::string16& result, bool is_final) override;
 118   void OnSpeechSoundLevelChanged(int16 level) override;
 119   void OnSpeechRecognitionStateChanged(
 120       app_list::SpeechRecognitionState new_state) override;
 121
 122   // Overridden from HotwordClient:
 123   void OnHotwordStateChanged(bool started) override;
 124   void OnHotwordRecognized() override;
 125
 126   // Overridden from SigninManagerFactory::Observer:
 127   void SigninManagerCreated(SigninManagerBase* manager) override;
 128   void SigninManagerShutdown(SigninManagerBase* manager) override;
 129
 130   // Overridden from SigninManagerBase::Observer:
 131   void GoogleSigninFailed(const GoogleServiceAuthError& error) override;
 132   void GoogleSigninSucceeded(const std::string& account_id,
 133                              const std::string& username,
 134                              const std::string& password) override;
 135   void GoogleSignedOut(const std::string& account_id,
 136                        const std::string& username) override;
 137
 138   // Overridden from ProfileInfoCacheObserver:
 139   void OnProfileAdded(const base::FilePath& profile_path) override;
 140   void OnProfileWasRemoved(const base::FilePath& profile_path,
 141                            const base::string16& profile_name) override;
 142   void OnProfileNameChanged(const base::FilePath& profile_path,
 143                             const base::string16& old_profile_name) override;
 144
 145   // Overridden from content::NotificationObserver:
 146   void Observe(int type,
 147                const content::NotificationSource& source,
 148                const content::NotificationDetails& details) override;
 149
 150   // Unowned pointer to the controller.
 151   AppListControllerDelegate* controller_;
 152   // Unowned pointer to the associated profile. May change if SetProfileByPath
 153   // is called.
 154   Profile* profile_;
 155   // Unowned pointer to the model owned by AppListSyncableService. Will change
 156   // if |profile_| changes.
 157   app_list::AppListModel* model_;
 158
 159   // Note: order ensures |search_resource_manager_| is destroyed before
 160   // |speech_ui_|.
 161   scoped_ptr<app_list::SpeechUIModel> speech_ui_;
 162   scoped_ptr<app_list::SearchResourceManager> search_resource_manager_;
 163   scoped_ptr<app_list::SearchController> search_controller_;
 164
 165   base::TimeDelta auto_launch_timeout_;
 166
 167   Users users_;
 168
 169 #if defined(USE_ASH)
 170   scoped_ptr<AppSyncUIStateWatcher> app_sync_ui_state_watcher_;
 171 #endif
 172
 173   ObserverList<app_list::AppListViewDelegateObserver> observers_;
 174
 175   // Used to track the SigninManagers that this instance is observing so that
 176   // this instance can be removed as an observer on its destruction.
 177   ScopedObserver<SigninManagerBase, AppListViewDelegate> scoped_observer_;
 178
 179   // Window contents of additional custom launcher pages.
 180   ScopedVector<apps::CustomLauncherPageContents> custom_page_contents_;
 181
 182   // Registers for NOTIFICATION_APP_TERMINATING to unload custom launcher pages.
 183   content::NotificationRegistrar registrar_;
 184
 185   DISALLOW_COPY_AND_ASSIGN(AppListViewDelegate);
 186 };
 187
 188 #endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_