ash/shell.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 ASH_SHELL_H_
   6 #define ASH_SHELL_H_
   7
   8 #include <utility>
   9 #include <vector>
  10
  11 #include "ash/ash_export.h"
  12 #include "ash/shelf/shelf_types.h"
  13 #include "ash/system/user/login_status.h"
  14 #include "ash/wm/system_modal_container_event_filter_delegate.h"
  15 #include "base/basictypes.h"
  16 #include "base/compiler_specific.h"
  17 #include "base/gtest_prod_util.h"
  18 #include "base/memory/scoped_ptr.h"
  19 #include "base/observer_list.h"
  20 #include "ui/aura/client/activation_change_observer.h"
  21 #include "ui/base/events/event_target.h"
  22 #include "ui/base/ui_base_types.h"
  23 #include "ui/gfx/insets.h"
  24 #include "ui/gfx/screen.h"
  25 #include "ui/gfx/size.h"
  26 #include "ui/views/corewm/cursor_manager.h"
  27
  28 class CommandLine;
  29
  30 namespace app_list {
  31 class ApplicationDragAndDropHost;
  32 }
  33 namespace aura {
  34 class EventFilter;
  35 class RootWindow;
  36 class Window;
  37 namespace client {
  38 class ActivationClient;
  39 class FocusClient;
  40 class UserActionClient;
  41 }
  42 }
  43 namespace chromeos {
  44 class OutputConfigurator;
  45 }
  46 namespace content {
  47 class BrowserContext;
  48 }
  49
  50 namespace gfx {
  51 class ImageSkia;
  52 class Point;
  53 class Rect;
  54 }
  55 namespace ui {
  56 class Layer;
  57 }
  58 namespace views {
  59 class NonClientFrameView;
  60 class Widget;
  61 namespace corewm {
  62 class CompoundEventFilter;
  63 class InputMethodEventFilter;
  64 class ShadowController;
  65 class TooltipController;
  66 class VisibilityController;
  67 class WindowModalityController;
  68 }
  69 }
  70
  71 namespace ash {
  72
  73 class AcceleratorController;
  74 class AshNativeCursorManager;
  75 class CapsLockDelegate;
  76 class DesktopBackgroundController;
  77 class DisplayController;
  78 class HighContrastController;
  79 class Launcher;
  80 class LauncherDelegate;
  81 class LauncherModel;
  82 class MagnificationController;
  83 class MruWindowTracker;
  84 class NestedDispatcherController;
  85 class PartialMagnificationController;
  86 class PowerButtonController;
  87 class RootWindowHostFactory;
  88 class ScreenAsh;
  89 class LockStateController;
  90 class SessionStateDelegate;
  91 class ShellDelegate;
  92 class ShellObserver;
  93 class SystemTray;
  94 class SystemTrayDelegate;
  95 class SystemTrayNotifier;
  96 class UserActivityDetector;
  97 class UserWallpaperDelegate;
  98 class VideoDetector;
  99 class WebNotificationTray;
 100 class WindowCycleController;
 101 class WindowSelectorController;
 102
 103 namespace internal {
 104 class AcceleratorFilter;
 105 class ActivationController;
 106 class AppListController;
 107 class CaptureController;
 108 class DisplayChangeObserverX11;
 109 class DisplayErrorObserver;
 110 class DisplayManager;
 111 class DragDropController;
 112 class EventClientImpl;
 113 class EventRewriterEventFilter;
 114 class EventTransformationHandler;
 115 class FocusCycler;
 116 class LocaleNotificationController;
 117 class MouseCursorEventFilter;
 118 class OutputConfiguratorAnimation;
 119 class OverlayEventFilter;
 120 class ResizeShadowController;
 121 class RootWindowController;
 122 class RootWindowLayoutManager;
 123 class ScopedTargetRootWindow;
 124 class ScreenPositionController;
 125 class SlowAnimationEventFilter;
 126 class StatusAreaWidget;
 127 class SystemGestureEventFilter;
 128 class SystemModalContainerEventFilter;
 129 class TouchObserverHUD;
 130 }
 131
 132 namespace shell {
 133 class WindowWatcher;
 134 }
 135
 136 namespace test {
 137 class ShellTestApi;
 138 }
 139
 140 // Shell is a singleton object that presents the Shell API and implements the
 141 // RootWindow's delegate interface.
 142 //
 143 // Upon creation, the Shell sets itself as the RootWindow's delegate, which
 144 // takes ownership of the Shell.
 145 class ASH_EXPORT Shell
 146     : public internal::SystemModalContainerEventFilterDelegate,
 147       public ui::EventTarget,
 148       public aura::client::ActivationChangeObserver {
 149  public:
 150   typedef std::vector<aura::RootWindow*> RootWindowList;
 151   typedef std::vector<internal::RootWindowController*> RootWindowControllerList;
 152
 153   enum Direction {
 154     FORWARD,
 155     BACKWARD
 156   };
 157
 158   // A shell must be explicitly created so that it can call |Init()| with the
 159   // delegate set. |delegate| can be NULL (if not required for initialization).
 160   // Takes ownership of |delegate|.
 161   static Shell* CreateInstance(ShellDelegate* delegate);
 162
 163   // Should never be called before |CreateInstance()|.
 164   static Shell* GetInstance();
 165
 166   // Returns true if the ash shell has been instantiated.
 167   static bool HasInstance();
 168
 169   static void DeleteInstance();
 170
 171   // Returns the root window controller for the primary root window.
 172   // TODO(oshima): move this to |RootWindowController|
 173   static internal::RootWindowController* GetPrimaryRootWindowController();
 174
 175   // Returns all root window controllers.
 176   // TODO(oshima): move this to |RootWindowController|
 177   static RootWindowControllerList GetAllRootWindowControllers();
 178
 179   // Returns the primary RootWindow. The primary RootWindow is the one
 180   // that has a launcher.
 181   static aura::RootWindow* GetPrimaryRootWindow();
 182
 183   // Returns a RootWindow when used as a target when creating a new window.
 184   // The root window of the active window is used in most cases, but can
 185   // be overridden by using ScopedTargetRootWindow().
 186   // If you want to get a RootWindow of the active window, just use
 187   // |wm::GetActiveWindow()->GetRootWindow()|.
 188   // TODO(oshima): Rename to GetTargetRootWindow() crbug.com/266378.
 189   static aura::RootWindow* GetActiveRootWindow();
 190
 191   // Returns the global Screen object that's always active in ash.
 192   static gfx::Screen* GetScreen();
 193
 194   // Returns all root windows.
 195   static RootWindowList GetAllRootWindows();
 196
 197   static aura::Window* GetContainer(aura::RootWindow* root_window,
 198                                     int container_id);
 199   static const aura::Window* GetContainer(const aura::RootWindow* root_window,
 200                                           int container_id);
 201
 202   // Returns the list of containers that match |container_id| in
 203   // all root windows. If |priority_root| is given, the container
 204   // in the |priority_root| will be inserted at the top of the list.
 205   static std::vector<aura::Window*> GetContainersFromAllRootWindows(
 206       int container_id,
 207       aura::RootWindow* priority_root);
 208
 209   // True if an experimental maximize mode is enabled which forces browser and
 210   // application windows to be maximized only.
 211   static bool IsForcedMaximizeMode();
 212
 213   void set_active_root_window(aura::RootWindow* target_root_window) {
 214     target_root_window_ = target_root_window;
 215   }
 216
 217   // Shows the context menu for the background and launcher at
 218   // |location_in_screen| (in screen coordinates).
 219   void ShowContextMenu(const gfx::Point& location_in_screen,
 220                        ui::MenuSourceType source_type);
 221
 222   // Toggles the app list. |window| specifies in which display the app
 223   // list should be shown. If this is NULL, the active root window
 224   // will be used.
 225   void ToggleAppList(aura::Window* anchor);
 226
 227   // If |drag_and_drop_host| is not NULL it will be called upon drag and drop
 228   // operations outside the application list.
 229   void SetDragAndDropHostOfCurrentAppList(
 230       app_list::ApplicationDragAndDropHost* drag_and_drop_host);
 231
 232   // Returns app list target visibility.
 233   bool GetAppListTargetVisibility() const;
 234
 235   // Returns app list window or NULL if it is not visible.
 236   aura::Window* GetAppListWindow();
 237
 238   // Returns true if a system-modal dialog window is currently open.
 239   bool IsSystemModalWindowOpen() const;
 240
 241   // For testing only: set simulation that a modal window is open
 242   void SimulateModalWindowOpenForTesting(bool modal_window_open) {
 243     simulate_modal_window_open_for_testing_ = modal_window_open;
 244   }
 245
 246   // Creates a default views::NonClientFrameView for use by windows in the
 247   // Ash environment.
 248   views::NonClientFrameView* CreateDefaultNonClientFrameView(
 249       views::Widget* widget);
 250
 251   // Rotates focus through containers that can receive focus.
 252   void RotateFocus(Direction direction);
 253
 254   // Sets the work area insets of the display that contains |window|,
 255   // this notifies observers too.
 256   // TODO(sky): this no longer really replicates what happens and is unreliable.
 257   // Remove this.
 258   void SetDisplayWorkAreaInsets(aura::Window* window,
 259                                 const gfx::Insets& insets);
 260
 261   // Called when the user logs in.
 262   void OnLoginStateChanged(user::LoginStatus status);
 263
 264   // Called when the login status changes.
 265   // TODO(oshima): Investigate if we can merge this and |OnLoginStateChanged|.
 266   void UpdateAfterLoginStatusChange(user::LoginStatus status);
 267
 268   // Called when the application is exiting.
 269   void OnAppTerminating();
 270
 271   // Called when the screen is locked (after the lock window is visible) or
 272   // unlocked.
 273   void OnLockStateChanged(bool locked);
 274
 275   // Initializes |launcher_|.  Does nothing if it's already initialized.
 276   void CreateLauncher();
 277
 278   // Show launcher view if it was created hidden (before session has started).
 279   void ShowLauncher();
 280
 281   // Adds/removes observer.
 282   void AddShellObserver(ShellObserver* observer);
 283   void RemoveShellObserver(ShellObserver* observer);
 284
 285 #if !defined(OS_MACOSX)
 286   AcceleratorController* accelerator_controller() {
 287     return accelerator_controller_.get();
 288   }
 289 #endif  // !defined(OS_MACOSX)
 290
 291   internal::DisplayManager* display_manager() {
 292     return display_manager_.get();
 293   }
 294   views::corewm::InputMethodEventFilter* input_method_filter() {
 295     return input_method_filter_.get();
 296   }
 297   views::corewm::CompoundEventFilter* env_filter() {
 298     return env_filter_.get();
 299   }
 300   views::corewm::TooltipController* tooltip_controller() {
 301     return tooltip_controller_.get();
 302   }
 303   internal::EventRewriterEventFilter* event_rewriter_filter() {
 304     return event_rewriter_filter_.get();
 305   }
 306   internal::OverlayEventFilter* overlay_filter() {
 307     return overlay_filter_.get();
 308   }
 309   DesktopBackgroundController* desktop_background_controller() {
 310     return desktop_background_controller_.get();
 311   }
 312   PowerButtonController* power_button_controller() {
 313     return power_button_controller_.get();
 314   }
 315   LockStateController* lock_state_controller() {
 316     return lock_state_controller_.get();
 317   }
 318   MruWindowTracker* mru_window_tracker() {
 319     return mru_window_tracker_.get();
 320   }
 321   UserActivityDetector* user_activity_detector() {
 322     return user_activity_detector_.get();
 323   }
 324   VideoDetector* video_detector() {
 325     return video_detector_.get();
 326   }
 327   WindowCycleController* window_cycle_controller() {
 328     return window_cycle_controller_.get();
 329   }
 330   WindowSelectorController* window_selector_controller() {
 331     return window_selector_controller_.get();
 332   }
 333   internal::FocusCycler* focus_cycler() {
 334     return focus_cycler_.get();
 335   }
 336   DisplayController* display_controller() {
 337     return display_controller_.get();
 338   }
 339   internal::MouseCursorEventFilter* mouse_cursor_filter() {
 340     return mouse_cursor_filter_.get();
 341   }
 342   internal::EventTransformationHandler* event_transformation_handler() {
 343     return event_transformation_handler_.get();
 344   }
 345   views::corewm::CursorManager* cursor_manager() { return &cursor_manager_; }
 346
 347   ShellDelegate* delegate() { return delegate_.get(); }
 348
 349   UserWallpaperDelegate* user_wallpaper_delegate() {
 350     return user_wallpaper_delegate_.get();
 351   }
 352
 353   CapsLockDelegate* caps_lock_delegate() {
 354     return caps_lock_delegate_.get();
 355   }
 356
 357   SessionStateDelegate* session_state_delegate() {
 358     return session_state_delegate_.get();
 359   }
 360
 361   HighContrastController* high_contrast_controller() {
 362     return high_contrast_controller_.get();
 363   }
 364
 365   MagnificationController* magnification_controller() {
 366     return magnification_controller_.get();
 367   }
 368
 369   PartialMagnificationController* partial_magnification_controller() {
 370     return partial_magnification_controller_.get();
 371   }
 372   aura::client::ActivationClient* activation_client() {
 373     return activation_client_;
 374   }
 375
 376   ScreenAsh* screen() { return screen_; }
 377
 378   // Force the shelf to query for it's current visibility state.
 379   void UpdateShelfVisibility();
 380
 381   // TODO(oshima): Define an interface to access shelf/launcher
 382   // state, or just use Launcher.
 383
 384   // Sets/gets the shelf auto-hide behavior on |root_window|.
 385   void SetShelfAutoHideBehavior(ShelfAutoHideBehavior behavior,
 386                                 aura::RootWindow* root_window);
 387   ShelfAutoHideBehavior GetShelfAutoHideBehavior(
 388       aura::RootWindow* root_window) const;
 389
 390   // Sets/gets shelf's alignment on |root_window|.
 391   void SetShelfAlignment(ShelfAlignment alignment,
 392                          aura::RootWindow* root_window);
 393   ShelfAlignment GetShelfAlignment(aura::RootWindow* root_window);
 394
 395   // Dims or undims the screen.
 396   void SetDimming(bool should_dim);
 397
 398   // Creates a modal background (a partially-opaque fullscreen window)
 399   // on all displays for |window|.
 400   void CreateModalBackground(aura::Window* window);
 401
 402   // Called when a modal window is removed. It will activate
 403   // another modal window if any, or remove modal screens
 404   // on all displays.
 405   void OnModalWindowRemoved(aura::Window* removed);
 406
 407   // Returns WebNotificationTray on the primary root window.
 408   WebNotificationTray* GetWebNotificationTray();
 409
 410   // Does the primary display have status area?
 411   bool HasPrimaryStatusArea();
 412
 413   // Returns the system tray on primary display.
 414   SystemTray* GetPrimarySystemTray();
 415
 416   SystemTrayDelegate* system_tray_delegate() {
 417     return system_tray_delegate_.get();
 418   }
 419
 420   SystemTrayNotifier* system_tray_notifier() {
 421     return system_tray_notifier_.get();
 422   }
 423
 424   static void set_initially_hide_cursor(bool hide) {
 425     initially_hide_cursor_ = hide;
 426   }
 427
 428   internal::ResizeShadowController* resize_shadow_controller() {
 429     return resize_shadow_controller_.get();
 430   }
 431
 432   // Made available for tests.
 433   views::corewm::ShadowController* shadow_controller() {
 434     return shadow_controller_.get();
 435   }
 436
 437   content::BrowserContext* browser_context() { return browser_context_; }
 438   void set_browser_context(content::BrowserContext* browser_context) {
 439     browser_context_ = browser_context;
 440   }
 441
 442   // Initializes the root window to be used for a secondary display.
 443   void InitRootWindowForSecondaryDisplay(aura::RootWindow* root);
 444
 445   // Starts the animation that occurs on first login.
 446   void DoInitialWorkspaceAnimation();
 447
 448 #if defined(OS_CHROMEOS) && defined(USE_X11)
 449   // TODO(oshima): Move these objects to DisplayController.
 450   chromeos::OutputConfigurator* output_configurator() {
 451     return output_configurator_.get();
 452   }
 453   internal::OutputConfiguratorAnimation* output_configurator_animation() {
 454     return output_configurator_animation_.get();
 455   }
 456   internal::DisplayErrorObserver* display_error_observer() {
 457     return display_error_observer_.get();
 458   }
 459 #endif  // defined(OS_CHROMEOS) && defined(USE_X11)
 460
 461   RootWindowHostFactory* root_window_host_factory() {
 462     return root_window_host_factory_.get();
 463   }
 464
 465   LauncherModel* launcher_model() {
 466     return launcher_model_.get();
 467   }
 468
 469   // Returns the launcher delegate, creating if necesary.
 470   LauncherDelegate* GetLauncherDelegate();
 471
 472   void SetTouchHudProjectionEnabled(bool enabled);
 473
 474   bool is_touch_hud_projection_enabled() const {
 475     return is_touch_hud_projection_enabled_;
 476   }
 477
 478  private:
 479   FRIEND_TEST_ALL_PREFIXES(ExtendedDesktopTest, TestCursor);
 480   FRIEND_TEST_ALL_PREFIXES(WindowManagerTest, MouseEventCursors);
 481   FRIEND_TEST_ALL_PREFIXES(WindowManagerTest, TransformActivate);
 482   friend class internal::RootWindowController;
 483   friend class internal::ScopedTargetRootWindow;
 484   friend class test::ShellTestApi;
 485   friend class shell::WindowWatcher;
 486
 487   typedef std::pair<aura::Window*, gfx::Rect> WindowAndBoundsPair;
 488
 489   // Takes ownership of |delegate|.
 490   explicit Shell(ShellDelegate* delegate);
 491   virtual ~Shell();
 492
 493   void Init();
 494
 495   // Initializes the root window and root window controller so that it
 496   // can host browser windows. |first_run_after_boot| is true for the
 497   // primary display only first time after boot.
 498   void InitRootWindowController(internal::RootWindowController* root,
 499                                 bool first_run_after_boot);
 500
 501   // ash::internal::SystemModalContainerEventFilterDelegate overrides:
 502   virtual bool CanWindowReceiveEvents(aura::Window* window) OVERRIDE;
 503
 504   // Overridden from ui::EventTarget:
 505   virtual bool CanAcceptEvent(const ui::Event& event) OVERRIDE;
 506   virtual EventTarget* GetParentTarget() OVERRIDE;
 507   virtual void OnEvent(ui::Event* event) OVERRIDE;
 508
 509   // Overridden from aura::client::ActivationChangeObserver:
 510   virtual void OnWindowActivated(aura::Window* gained_active,
 511                                  aura::Window* lost_active) OVERRIDE;
 512
 513   static Shell* instance_;
 514
 515   // If set before the Shell is initialized, the mouse cursor will be hidden
 516   // when the screen is initially created.
 517   static bool initially_hide_cursor_;
 518
 519   ScreenAsh* screen_;
 520
 521   // When no explicit target display/RootWindow is given, new windows are
 522   // created on |scoped_target_root_window_| , unless NULL in
 523   // which case they are created on |target_root_window_|.
 524   // |target_root_window_| never becomes NULL during the session.
 525   aura::RootWindow* target_root_window_;
 526   aura::RootWindow* scoped_target_root_window_;
 527
 528   // The CompoundEventFilter owned by aura::Env object.
 529   scoped_ptr<views::corewm::CompoundEventFilter> env_filter_;
 530
 531   std::vector<WindowAndBoundsPair> to_restore_;
 532
 533 #if !defined(OS_MACOSX)
 534   scoped_ptr<NestedDispatcherController> nested_dispatcher_controller_;
 535
 536   scoped_ptr<AcceleratorController> accelerator_controller_;
 537 #endif  // !defined(OS_MACOSX)
 538
 539   scoped_ptr<ShellDelegate> delegate_;
 540   scoped_ptr<SystemTrayDelegate> system_tray_delegate_;
 541   scoped_ptr<SystemTrayNotifier> system_tray_notifier_;
 542   scoped_ptr<UserWallpaperDelegate> user_wallpaper_delegate_;
 543   scoped_ptr<CapsLockDelegate> caps_lock_delegate_;
 544   scoped_ptr<SessionStateDelegate> session_state_delegate_;
 545   scoped_ptr<LauncherDelegate> launcher_delegate_;
 546
 547   scoped_ptr<LauncherModel> launcher_model_;
 548
 549   scoped_ptr<internal::AppListController> app_list_controller_;
 550
 551   scoped_ptr<internal::ActivationController> activation_controller_;
 552   scoped_ptr<internal::CaptureController> capture_controller_;
 553   scoped_ptr<internal::DragDropController> drag_drop_controller_;
 554   scoped_ptr<internal::ResizeShadowController> resize_shadow_controller_;
 555   scoped_ptr<views::corewm::ShadowController> shadow_controller_;
 556   scoped_ptr<views::corewm::VisibilityController> visibility_controller_;
 557   scoped_ptr<views::corewm::WindowModalityController>
 558       window_modality_controller_;
 559   scoped_ptr<views::corewm::TooltipController> tooltip_controller_;
 560   scoped_ptr<DesktopBackgroundController> desktop_background_controller_;
 561   scoped_ptr<PowerButtonController> power_button_controller_;
 562   scoped_ptr<LockStateController> lock_state_controller_;
 563   scoped_ptr<MruWindowTracker> mru_window_tracker_;
 564   scoped_ptr<UserActivityDetector> user_activity_detector_;
 565   scoped_ptr<VideoDetector> video_detector_;
 566   scoped_ptr<WindowCycleController> window_cycle_controller_;
 567   scoped_ptr<WindowSelectorController> window_selector_controller_;
 568   scoped_ptr<internal::FocusCycler> focus_cycler_;
 569   scoped_ptr<DisplayController> display_controller_;
 570   scoped_ptr<HighContrastController> high_contrast_controller_;
 571   scoped_ptr<MagnificationController> magnification_controller_;
 572   scoped_ptr<PartialMagnificationController> partial_magnification_controller_;
 573   scoped_ptr<aura::client::FocusClient> focus_client_;
 574   scoped_ptr<aura::client::UserActionClient> user_action_client_;
 575   aura::client::ActivationClient* activation_client_;
 576   scoped_ptr<internal::MouseCursorEventFilter> mouse_cursor_filter_;
 577   scoped_ptr<internal::ScreenPositionController> screen_position_controller_;
 578   scoped_ptr<internal::SystemModalContainerEventFilter> modality_filter_;
 579   scoped_ptr<internal::EventClientImpl> event_client_;
 580   scoped_ptr<internal::EventTransformationHandler>
 581       event_transformation_handler_;
 582   scoped_ptr<RootWindowHostFactory> root_window_host_factory_;
 583
 584   // An event filter that rewrites or drops an event.
 585   scoped_ptr<internal::EventRewriterEventFilter> event_rewriter_filter_;
 586
 587   // An event filter that pre-handles key events while the partial
 588   // screenshot UI or the keyboard overlay is active.
 589   scoped_ptr<internal::OverlayEventFilter> overlay_filter_;
 590
 591   // An event filter which handles system level gestures
 592   scoped_ptr<internal::SystemGestureEventFilter> system_gesture_filter_;
 593
 594 #if !defined(OS_MACOSX)
 595   // An event filter that pre-handles global accelerators.
 596   scoped_ptr<internal::AcceleratorFilter> accelerator_filter_;
 597 #endif
 598
 599   // An event filter that pre-handles all key events to send them to an IME.
 600   scoped_ptr<views::corewm::InputMethodEventFilter> input_method_filter_;
 601
 602   scoped_ptr<internal::DisplayManager> display_manager_;
 603
 604   scoped_ptr<internal::LocaleNotificationController>
 605       locale_notification_controller_;
 606
 607 #if defined(OS_CHROMEOS) && defined(USE_X11)
 608   // Controls video output device state.
 609   scoped_ptr<chromeos::OutputConfigurator> output_configurator_;
 610   scoped_ptr<internal::OutputConfiguratorAnimation>
 611       output_configurator_animation_;
 612   scoped_ptr<internal::DisplayErrorObserver> display_error_observer_;
 613
 614   // Receives output change events and udpates the display manager.
 615   scoped_ptr<internal::DisplayChangeObserverX11> display_change_observer_;
 616 #endif  // defined(OS_CHROMEOS) && defined(USE_X11)
 617
 618   // |native_cursor_manager_| is owned by |cursor_manager_|, but we keep a
 619   // pointer to vend to test code.
 620   AshNativeCursorManager* native_cursor_manager_;
 621   views::corewm::CursorManager cursor_manager_;
 622
 623   ObserverList<ShellObserver> observers_;
 624
 625   // Used by ash/shell.
 626   content::BrowserContext* browser_context_;
 627
 628   // For testing only: simulate that a modal window is open
 629   bool simulate_modal_window_open_for_testing_;
 630
 631   bool is_touch_hud_projection_enabled_;
 632
 633   DISALLOW_COPY_AND_ASSIGN(Shell);
 634 };
 635
 636 }  // namespace ash
 637
 638 #endif  // ASH_SHELL_H_