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// Copyright 2016 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 COMPONENTS_EXO_WM_HELPER_ASH_H_
#define COMPONENTS_EXO_WM_HELPER_ASH_H_
#include "ash/shell_observer.h"
#include "ash/wm_display_observer.h"
#include "base/macros.h"
#include "components/exo/wm_helper.h"
#include "ui/aura/client/cursor_client_observer.h"
#include "ui/aura/client/focus_change_observer.h"
#include "ui/events/devices/input_device_event_observer.h"
#include "ui/wm/public/activation_change_observer.h"
namespace exo {
// A helper class for accessing WindowManager related features.
class WMHelperAsh : public WMHelper,
public aura::client::ActivationChangeObserver,
public aura::client::FocusChangeObserver,
public aura::client::CursorClientObserver,
public ash::ShellObserver,
public ash::WmDisplayObserver,
public ui::InputDeviceEventObserver {
public:
WMHelperAsh();
~WMHelperAsh() override;
// Overridden from WMHelper:
const display::ManagedDisplayInfo& GetDisplayInfo(
int64_t display_id) const override;
aura::Window* GetPrimaryDisplayContainer(int container_id) override;
aura::Window* GetActiveWindow() const override;
aura::Window* GetFocusedWindow() const override;
ui::CursorSetType GetCursorSet() const override;
const display::Display& GetCursorDisplay() const override;
void AddPreTargetHandler(ui::EventHandler* handler) override;
void PrependPreTargetHandler(ui::EventHandler* handler) override;
void RemovePreTargetHandler(ui::EventHandler* handler) override;
void AddPostTargetHandler(ui::EventHandler* handler) override;
void RemovePostTargetHandler(ui::EventHandler* handler) override;
bool IsMaximizeModeWindowManagerEnabled() const override;
// Overridden from aura::client::ActivationChangeObserver:
void OnWindowActivated(
aura::client::ActivationChangeObserver::ActivationReason reason,
aura::Window* gained_active,
aura::Window* lost_active) override;
// Overridden from aura::client::FocusChangeObserver:
void OnWindowFocused(aura::Window* gained_focus,
aura::Window* lost_focus) override;
// Overridden from aura::client::CursorClientObserver:
void OnCursorVisibilityChanged(bool is_visible) override;
void OnCursorSetChanged(ui::CursorSetType cursor_set) override;
void OnCursorDisplayChanged(const display::Display& display) override;
// Overridden from ash::ShellObserver:
void OnMaximizeModeStarted() override;
void OnMaximizeModeEnding() override;
void OnMaximizeModeEnded() override;
// Overridden from ash::WmDisplayObserver:
void OnDisplayConfigurationChanged() override;
// Overridden from ui::InputDeviceEventObserver:
void OnKeyboardDeviceConfigurationChanged() override;
private:
DISALLOW_COPY_AND_ASSIGN(WMHelperAsh);
};
} // namespace exo
#endif // COMPONENTS_EXO_WM_HELPER_H_
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