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// 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_POWER_BUTTON_CONTROLLER_H_
#define ASH_WM_POWER_BUTTON_CONTROLLER_H_
#include "ash/ash_export.h"
#include "ash/wm/session_state_animator.h"
#include "base/basictypes.h"
namespace gfx {
class Rect;
class Size;
}
namespace ui {
class Layer;
}
namespace ash {
namespace test {
class PowerButtonControllerTest;
}
class LockStateController;
// Displays onscreen animations and locks or suspends the system in response to
// the power button being pressed or released.
class ASH_EXPORT PowerButtonController {
public:
explicit PowerButtonController(LockStateController* controller);
virtual ~PowerButtonController();
void set_has_legacy_power_button_for_test(bool legacy) {
has_legacy_power_button_ = legacy;
}
// Called when the current screen brightness changes.
void OnScreenBrightnessChanged(double percent);
// Called when the power or lock buttons are pressed or released.
void OnPowerButtonEvent(bool down, const base::TimeTicks& timestamp);
void OnLockButtonEvent(bool down, const base::TimeTicks& timestamp);
private:
friend class test::PowerButtonControllerTest;
// Are the power or lock buttons currently held?
bool power_button_down_;
bool lock_button_down_;
// Is the screen currently turned off?
bool screen_is_off_;
// Was a command-line switch set telling us that we're running on hardware
// that misreports power button releases?
bool has_legacy_power_button_;
LockStateController* controller_; // Not owned.
DISALLOW_COPY_AND_ASSIGN(PowerButtonController);
};
} // namespace ash
#endif // ASH_WM_POWER_BUTTON_CONTROLLER_H_
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