blob: f1780146c773ccb41e003f4061c7049d2d3baf58 [file] [log] [blame]
// 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.
#include "ash/ash_export.h"
#include "ash/wm/session_state_animator.h"
#include "base/basictypes.h"
#if defined(OS_CHROMEOS)
#include "ui/display/chromeos/display_configurator.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
// TODO(derat): Remove these ifdefs after DisplayConfigurator becomes
// cross-platform.
#if defined(OS_CHROMEOS)
: public ui::DisplayConfigurator::Observer
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);
#if defined(OS_CHROMEOS)
// Overriden from ui::DisplayConfigurator::Observer:
virtual void OnDisplayModeChanged(
const ui::DisplayConfigurator::DisplayStateList& outputs) OVERRIDE;
friend class test::PowerButtonControllerTest;
// Are the power or lock buttons currently held?
bool power_button_down_;
bool lock_button_down_;
// Has the screen brightness been reduced to 0%?
bool brightness_is_zero_;
// True if an internal display is off while an external display is on (e.g.
// for Chrome OS's docked mode, where a Chromebook's lid is closed while an
// external display is connected).
bool internal_display_off_and_external_display_on_;
// 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.
} // namespace ash