Remove old activation code and disable-focus-controller flags

ash/wm/activation_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_WM_ACTIVATION_CONTROLLER_H_
-#define ASH_WM_ACTIVATION_CONTROLLER_H_
-
-#include "ash/ash_export.h"
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/observer_list.h"
-#include "base/scoped_observer.h"
-#include "ui/aura/client/activation_client.h"
-#include "ui/aura/client/focus_change_observer.h"
-#include "ui/aura/env_observer.h"
-#include "ui/aura/window_observer.h"
-#include "ui/base/events/event_handler.h"
-
-namespace aura {
-namespace client {
-class ActivationChangeObserver;
-class FocusClient;
-}
-}
-
-namespace ash {
-namespace internal {
-
-class ActivationControllerDelegate;
-
-// Exported for unit tests.
-class ASH_EXPORT ActivationController
-    : public aura::client::ActivationClient,
-      public aura::WindowObserver,
-      public aura::EnvObserver,
-      public aura::client::FocusChangeObserver,
-      public ui::EventHandler {
- public:
-  // The ActivationController takes ownership of |delegate|.
-  ActivationController(aura::client::FocusClient* focus_client,
-                       ActivationControllerDelegate* delegate);
-  virtual ~ActivationController();
-
-  // Returns true if |window| exists within a container that supports
-  // activation. |event| is the event responsible for initiating the change, or
-  // NULL if there is no event.
-  static aura::Window* GetActivatableWindow(aura::Window* window,
-                                            const ui::Event* event);
-
-  // Overridden from aura::client::ActivationClient:
-  virtual void AddObserver(
-      aura::client::ActivationChangeObserver* observer) OVERRIDE;
-  virtual void RemoveObserver(
-      aura::client::ActivationChangeObserver* observer) OVERRIDE;
-  virtual void ActivateWindow(aura::Window* window) OVERRIDE;
-  virtual void DeactivateWindow(aura::Window* window) OVERRIDE;
-  virtual aura::Window* GetActiveWindow() OVERRIDE;
-  virtual aura::Window* GetActivatableWindow(aura::Window* window) OVERRIDE;
-  virtual aura::Window* GetToplevelWindow(aura::Window* window) OVERRIDE;
-  virtual bool OnWillFocusWindow(aura::Window* window,
-                                 const ui::Event* event) OVERRIDE;
-  virtual bool CanActivateWindow(aura::Window* window) const OVERRIDE;
-
-  // Overridden from aura::WindowObserver:
-  virtual void OnWindowVisibilityChanged(aura::Window* window,
-                                         bool visible) OVERRIDE;
-  virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
-
-  // Overridden from aura::EnvObserver:
-  virtual void OnWindowInitialized(aura::Window* window) OVERRIDE;
-
-  // Overridden from aura::client::FocusChangeObserver:
-  virtual void OnWindowFocused(aura::Window* gained_focus,
-                               aura::Window* lost_focus) OVERRIDE;
-
- private:
-  // Overridden from ui::EventHandler:
-  virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE;
-  virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
-  virtual void OnScrollEvent(ui::ScrollEvent* event) OVERRIDE;
-  virtual void OnTouchEvent(ui::TouchEvent* event) OVERRIDE;
-  virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
-
-  // Implementation of ActivateWindow() with an Event.
-  void ActivateWindowWithEvent(aura::Window* window,
-                               const ui::Event* event);
-
-  // Shifts activation to the next window, ignoring |window|. Returns the next
-  // window.
-  aura::Window* ActivateNextWindow(aura::Window* window);
-
-  // Returns the next window that should be activated, ignoring |ignore|.
-  aura::Window* GetTopmostWindowToActivate(aura::Window* ignore) const;
-
-  // Returns the next window that should be activated in |container| ignoring
-  // the window |ignore|.
-  aura::Window* GetTopmostWindowToActivateInContainer(
-      aura::Window* container,
-      aura::Window* ignore) const;
-
-  // Called from the ActivationController's event handler implementation to
-  // handle focus to the |event|'s target. Not all targets are focusable or
-  // result in focus changes.
-  void FocusWindowWithEvent(const ui::Event* event);
-
-  aura::client::FocusClient* focus_client_;
-
-  // True inside ActivateWindow(). Used to prevent recursion of focus
-  // change notifications causing activation.
-  bool updating_activation_;
-
-  aura::Window* active_window_;
-
-  ObserverList<aura::client::ActivationChangeObserver> observers_;
-
-  ScopedObserver<aura::Window, aura::WindowObserver> observer_manager_;
-
-  scoped_ptr<ActivationControllerDelegate> delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(ActivationController);
-};
-
-}  // namespace internal
-}  // namespace ash
-
-#endif  // ASH_WM_ACTIVATION_CONTROLLER_H_