chrome/browser/ui/ash/system_tray_delegate_chromeos.h

   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 #ifndef CHROME_BROWSER_UI_ASH_SYSTEM_TRAY_DELEGATE_CHROMEOS_H_
   6 #define CHROME_BROWSER_UI_ASH_SYSTEM_TRAY_DELEGATE_CHROMEOS_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "ash/session/session_state_observer.h"
  12 #include "ash/system/chromeos/supervised/custodian_info_tray_observer.h"
  13 #include "ash/system/tray/system_tray.h"
  14 #include "ash/system/tray/system_tray_delegate.h"
  15 #include "ash/system/tray/system_tray_notifier.h"
  16 #include "base/callback_forward.h"
  17 #include "base/callback_list.h"
  18 #include "base/compiler_specific.h"
  19 #include "base/containers/scoped_ptr_hash_map.h"
  20 #include "base/memory/ref_counted.h"
  21 #include "base/memory/weak_ptr.h"
  22 #include "base/observer_list.h"
  23 #include "base/prefs/pref_change_registrar.h"
  24 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
  25 #include "chrome/browser/chromeos/settings/shutdown_policy_handler.h"
  26 #include "chrome/browser/profiles/profile.h"
  27 #include "chrome/browser/supervised_user/supervised_user_service_observer.h"
  28 #include "chrome/browser/ui/browser_list_observer.h"
  29 #include "chromeos/audio/cras_audio_handler.h"
  30 #include "chromeos/dbus/session_manager_client.h"
  31 #include "chromeos/login/login_state.h"
  32 #include "components/policy/core/common/cloud/cloud_policy_store.h"
  33 #include "components/user_manager/user_manager.h"
  34 #include "content/public/browser/notification_observer.h"
  35 #include "content/public/browser/notification_registrar.h"
  36 #include "device/bluetooth/bluetooth_adapter.h"
  37 #include "device/bluetooth/bluetooth_discovery_session.h"
  38 #include "extensions/browser/app_window/app_window_registry.h"
  39 #include "ui/base/ime/chromeos/input_method_manager.h"
  40 #include "ui/chromeos/ime/input_method_menu_manager.h"
  41
  42 namespace user_manager {
  43 class User;
  44 }
  45
  46 namespace chromeos {
  47
  48 class SystemTrayDelegateChromeOS
  49     : public ui::ime::InputMethodMenuManager::Observer,
  50       public ash::SystemTrayDelegate,
  51       public SessionManagerClient::Observer,
  52       public content::NotificationObserver,
  53       public input_method::InputMethodManager::Observer,
  54       public chromeos::LoginState::Observer,
  55       public chromeos::CrasAudioHandler::AudioObserver,
  56       public device::BluetoothAdapter::Observer,
  57       public policy::CloudPolicyStore::Observer,
  58       public ash::SessionStateObserver,
  59       public chrome::BrowserListObserver,
  60       public extensions::AppWindowRegistry::Observer,
  61       public user_manager::UserManager::UserSessionStateObserver,
  62       public SupervisedUserServiceObserver,
  63       public ShutdownPolicyHandler::Delegate  {
  64  public:
  65   SystemTrayDelegateChromeOS();
  66
  67   ~SystemTrayDelegateChromeOS() override;
  68
  69   void InitializeOnAdapterReady(
  70       scoped_refptr<device::BluetoothAdapter> adapter);
  71
  72   // Overridden from ash::SystemTrayDelegate:
  73   void Initialize() override;
  74   void Shutdown() override;
  75   bool GetTrayVisibilityOnStartup() override;
  76   ash::user::LoginStatus GetUserLoginStatus() const override;
  77   void ChangeProfilePicture() override;
  78   const std::string GetEnterpriseDomain() const override;
  79   const base::string16 GetEnterpriseMessage() const override;
  80   const std::string GetSupervisedUserManager() const override;
  81   const base::string16 GetSupervisedUserManagerName() const override;
  82   const base::string16 GetSupervisedUserMessage() const override;
  83   bool IsUserSupervised() const override;
  84   bool IsUserChild() const override;
  85   void GetSystemUpdateInfo(ash::UpdateInfo* info) const override;
  86   base::HourClockType GetHourClockType() const override;
  87   void ShowSettings() override;
  88   bool ShouldShowSettings() override;
  89   void ShowDateSettings() override;
  90   void ShowSetTimeDialog() override;
  91   void ShowNetworkSettings(const std::string& service_path) override;
  92   void ShowBluetoothSettings() override;
  93   void ShowDisplaySettings() override;
  94   void ShowChromeSlow() override;
  95   bool ShouldShowDisplayNotification() override;
  96   void ShowIMESettings() override;
  97   void ShowHelp() override;
  98   void ShowAccessibilityHelp() override;
  99   void ShowAccessibilitySettings() override;
 100   void ShowPublicAccountInfo() override;
 101   void ShowSupervisedUserInfo() override;
 102   void ShowEnterpriseInfo() override;
 103   void ShowUserLogin() override;
 104   void SignOut() override;
 105   void RequestLockScreen() override;
 106   void RequestRestartForUpdate() override;
 107   void GetAvailableBluetoothDevices(ash::BluetoothDeviceList* list) override;
 108   void BluetoothStartDiscovering() override;
 109   void BluetoothStopDiscovering() override;
 110   void ConnectToBluetoothDevice(const std::string& address) override;
 111   bool IsBluetoothDiscovering() override;
 112   void GetCurrentIME(ash::IMEInfo* info) override;
 113   void GetAvailableIMEList(ash::IMEInfoList* list) override;
 114   void GetCurrentIMEProperties(ash::IMEPropertyInfoList* list) override;
 115   void SwitchIME(const std::string& ime_id) override;
 116   void ActivateIMEProperty(const std::string& key) override;
 117   void ManageBluetoothDevices() override;
 118   void ToggleBluetooth() override;
 119   void ShowOtherNetworkDialog(const std::string& type) override;
 120   bool GetBluetoothAvailable() override;
 121   bool GetBluetoothEnabled() override;
 122   bool GetBluetoothDiscovering() override;
 123   void ChangeProxySettings() override;
 124   ash::NetworkingConfigDelegate* GetNetworkingConfigDelegate() const override;
 125   ash::VolumeControlDelegate* GetVolumeControlDelegate() const override;
 126   void SetVolumeControlDelegate(
 127       scoped_ptr<ash::VolumeControlDelegate> delegate) override;
 128   bool GetSessionStartTime(base::TimeTicks* session_start_time) override;
 129   bool GetSessionLengthLimit(base::TimeDelta* session_length_limit) override;
 130   int GetSystemTrayMenuWidth() override;
 131   void ActiveUserWasChanged() override;
 132   bool IsSearchKeyMappedToCapsLock() override;
 133   ash::tray::UserAccountsDelegate* GetUserAccountsDelegate(
 134       const std::string& user_id) override;
 135   void AddCustodianInfoTrayObserver(
 136       ash::CustodianInfoTrayObserver* observer) override;
 137   void RemoveCustodianInfoTrayObserver(
 138       ash::CustodianInfoTrayObserver* observer) override;
 139   void AddShutdownPolicyObserver(
 140       ash::ShutdownPolicyObserver* observer) override;
 141   void RemoveShutdownPolicyObserver(
 142       ash::ShutdownPolicyObserver* observer) override;
 143   void ShouldRebootOnShutdown(
 144       const ash::RebootOnShutdownCallback& callback) override;
 145
 146   // Overridden from user_manager::UserManager::UserSessionStateObserver:
 147   void UserAddedToSession(const user_manager::User* active_user) override;
 148   void ActiveUserChanged(const user_manager::User* active_user) override;
 149
 150   void UserChangedChildStatus(user_manager::User* user) override;
 151
 152   // browser tests need to call ShouldUse24HourClock().
 153   bool GetShouldUse24HourClockForTesting() const;
 154
 155  private:
 156   // Should be the same as CrosSettings::ObserverSubscription.
 157   typedef base::CallbackList<void(void)>::Subscription
 158       CrosSettingsObserverSubscription;
 159
 160   ash::SystemTray* GetPrimarySystemTray();
 161
 162   ash::SystemTrayNotifier* GetSystemTrayNotifier();
 163
 164   void SetProfile(Profile* profile);
 165
 166   bool UnsetProfile(Profile* profile);
 167
 168   bool ShouldUse24HourClock() const;
 169
 170   void UpdateClockType();
 171
 172   void UpdateShowLogoutButtonInTray();
 173
 174   void UpdateLogoutDialogDuration();
 175
 176   void UpdateSessionStartTime();
 177
 178   void UpdateSessionLengthLimit();
 179
 180   void StopObservingAppWindowRegistry();
 181
 182   void StopObservingCustodianInfoChanges();
 183
 184   // Notify observers if the current user has no more open browser or app
 185   // windows.
 186   void NotifyIfLastWindowClosed();
 187
 188   // LoginState::Observer overrides.
 189   void LoggedInStateChanged() override;
 190
 191   // Overridden from SessionManagerClient::Observer.
 192   void ScreenIsLocked() override;
 193   void ScreenIsUnlocked() override;
 194
 195   gfx::NativeWindow GetNativeWindow() const;
 196
 197   // content::NotificationObserver implementation.
 198   void Observe(int type,
 199                const content::NotificationSource& source,
 200                const content::NotificationDetails& details) override;
 201
 202   void OnLanguageRemapSearchKeyToChanged();
 203
 204   void OnAccessibilityModeChanged(
 205       ui::AccessibilityNotificationVisibility notify);
 206
 207   void UpdatePerformanceTracing();
 208
 209   // Overridden from InputMethodManager::Observer.
 210   void InputMethodChanged(input_method::InputMethodManager* manager,
 211                           bool show_message) override;
 212
 213   // Overridden from InputMethodMenuManager::Observer.
 214   void InputMethodMenuItemChanged(
 215       ui::ime::InputMethodMenuManager* manager) override;
 216
 217   // Overridden from CrasAudioHandler::AudioObserver.
 218   void OnOutputVolumeChanged() override;
 219   void OnOutputMuteChanged() override;
 220   void OnInputGainChanged() override;
 221   void OnInputMuteChanged() override;
 222   void OnAudioNodesChanged() override;
 223   void OnActiveOutputNodeChanged() override;
 224   void OnActiveInputNodeChanged() override;
 225
 226   // Overridden from BluetoothAdapter::Observer.
 227   void AdapterPresentChanged(device::BluetoothAdapter* adapter,
 228                              bool present) override;
 229   void AdapterPoweredChanged(device::BluetoothAdapter* adapter,
 230                              bool powered) override;
 231   void AdapterDiscoveringChanged(device::BluetoothAdapter* adapter,
 232                                  bool discovering) override;
 233   void DeviceAdded(device::BluetoothAdapter* adapter,
 234                    device::BluetoothDevice* device) override;
 235   void DeviceChanged(device::BluetoothAdapter* adapter,
 236                      device::BluetoothDevice* device) override;
 237   void DeviceRemoved(device::BluetoothAdapter* adapter,
 238                      device::BluetoothDevice* device) override;
 239
 240   void OnStartBluetoothDiscoverySession(
 241       scoped_ptr<device::BluetoothDiscoverySession> discovery_session);
 242
 243   void UpdateEnterpriseDomain();
 244
 245   // Overridden from CloudPolicyStore::Observer
 246   void OnStoreLoaded(policy::CloudPolicyStore* store) override;
 247   void OnStoreError(policy::CloudPolicyStore* store) override;
 248
 249   // Overridden from ash::SessionStateObserver
 250   void UserAddedToSession(const std::string& user_id) override;
 251   void ActiveUserChanged(const std::string& user_id) override;
 252
 253   // Overridden from chrome::BrowserListObserver:
 254   void OnBrowserRemoved(Browser* browser) override;
 255
 256   // Overridden from extensions::AppWindowRegistry::Observer:
 257   void OnAppWindowRemoved(extensions::AppWindow* app_window) override;
 258
 259   // Overridden from SupervisedUserServiceObserver:
 260   void OnCustodianInfoChanged() override;
 261
 262   void OnAccessibilityStatusChanged(
 263       const AccessibilityStatusEventDetails& details);
 264
 265   // Overridden from ShutdownPolicyObserver::Delegate.
 266   void OnShutdownPolicyChanged(bool reboot_on_shutdown) override;
 267
 268   // helper methods used by GetSupervisedUserMessage.
 269   const base::string16 GetLegacySupervisedUserMessage() const;
 270   const base::string16 GetChildUserMessage() const;
 271
 272   scoped_ptr<content::NotificationRegistrar> registrar_;
 273   scoped_ptr<PrefChangeRegistrar> local_state_registrar_;
 274   scoped_ptr<PrefChangeRegistrar> user_pref_registrar_;
 275   Profile* user_profile_;
 276   base::HourClockType clock_type_;
 277   int search_key_mapped_to_;
 278   bool screen_locked_;
 279   bool have_session_start_time_;
 280   base::TimeTicks session_start_time_;
 281   bool have_session_length_limit_;
 282   base::TimeDelta session_length_limit_;
 283   std::string enterprise_domain_;
 284   bool should_run_bluetooth_discovery_;
 285   bool session_started_;
 286
 287   scoped_refptr<device::BluetoothAdapter> bluetooth_adapter_;
 288   scoped_ptr<device::BluetoothDiscoverySession> bluetooth_discovery_session_;
 289   scoped_ptr<ash::NetworkingConfigDelegate> networking_config_delegate_;
 290   scoped_ptr<ash::VolumeControlDelegate> volume_control_delegate_;
 291   scoped_ptr<CrosSettingsObserverSubscription> device_settings_observer_;
 292   scoped_ptr<AccessibilityStatusSubscription> accessibility_subscription_;
 293   base::ScopedPtrHashMap<std::string, ash::tray::UserAccountsDelegate>
 294       accounts_delegates_;
 295   scoped_ptr<ShutdownPolicyHandler> shutdown_policy_handler_;
 296
 297   ObserverList<ash::CustodianInfoTrayObserver>
 298       custodian_info_changed_observers_;
 299
 300   ObserverList<ash::ShutdownPolicyObserver> shutdown_policy_observers_;
 301
 302   base::WeakPtrFactory<SystemTrayDelegateChromeOS> weak_ptr_factory_;
 303
 304   DISALLOW_COPY_AND_ASSIGN(SystemTrayDelegateChromeOS);
 305 };
 306
 307 ash::SystemTrayDelegate* CreateSystemTrayDelegate();
 308
 309 }  // namespace chromeos
 310 #endif  // CHROME_BROWSER_UI_ASH_SYSTEM_TRAY_DELEGATE_CHROMEOS_H_