Implementation of the Touch Exploration Mode - Part II (ash)

ash/root_window_controller.h

 // 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.
 
 #ifndef ASH_ROOT_WINDOW_CONTROLLER_H_
 #define ASH_ROOT_WINDOW_CONTROLLER_H_
 
 #include <map>
 
 #include "ash/ash_export.h"
@@ skipping 50 matching lines @@
 class StatusAreaWidget;
 class SystemBackgroundController;
 class SystemModalContainerLayoutManager;
 class SystemTray;
 class TouchHudDebug;
 class TouchHudProjection;
 class WorkspaceController;
 
 #if defined(OS_CHROMEOS)
 class BootSplashScreen;
+class AccessibilityObserver;
 #endif
 
 // This class maintains the per root window state for ash. This class
 // owns the root window and other dependent objects that should be
 // deleted upon the deletion of the root window. This object is
 // indirectly owned and deleted by |DisplayController|.
 // The RootWindowController for particular root window is stored in
 // its property (RootWindowSettings) and can be obtained using
 // |GetRootWindowController(aura::WindowEventDispatcher*)| function.
 class ASH_EXPORT RootWindowController : public ShellObserver {
@@ skipping 205 matching lines @@
   // this must be deleted before the container is deleted.
   scoped_ptr<aura::Window> mouse_event_target_;
 
   // Manages layout of docked windows. Owned by DockedContainer.
   DockedWindowLayoutManager* docked_layout_manager_;
 
   // Manages layout of panels. Owned by PanelContainer.
   PanelLayoutManager* panel_layout_manager_;
 
   scoped_ptr<SystemBackgroundController> system_background_;
+
 #if defined(OS_CHROMEOS)
   scoped_ptr<BootSplashScreen> boot_splash_screen_;
+  // Responsible for initializing TouchExplorationController when spoken
+  // feedback is on.
+  scoped_ptr<AccessibilityObserver> cros_accessibility_observer_;
 #endif
 
   scoped_ptr<ScreenDimmer> screen_dimmer_;
   scoped_ptr<WorkspaceController> workspace_controller_;
   scoped_ptr<AlwaysOnTopController> always_on_top_controller_;
 
   // Heads-up displays for touch events. These HUDs are not owned by the root
   // window controller and manage their own lifetimes.
   TouchHudDebug* touch_hud_debug_;
   TouchHudProjection* touch_hud_projection_;
 
   // Handles double clicks on the panel window header.
   scoped_ptr<ui::EventHandler> panel_container_handler_;
 
   scoped_ptr<DesktopBackgroundWidgetController> wallpaper_controller_;
   scoped_ptr<AnimatingDesktopController> animating_wallpaper_controller_;
   scoped_ptr< ::wm::ScopedCaptureClient> capture_client_;
 
   DISALLOW_COPY_AND_ASSIGN(RootWindowController);
 };
 
 
 // Gets the RootWindowController for |root_window|.
 ASH_EXPORT RootWindowController* GetRootWindowController(
     const aura::Window* root_window);
 
 }  // ash
 
 #endif  //  ASH_ROOT_WINDOW_CONTROLLER_H_