#ifndef ATHENA_SYSTEM_POWER_BUTTON_CONTROLLER_H_
#define ATHENA_SYSTEM_POWER_BUTTON_CONTROLLER_H_
+#include "base/memory/scoped_ptr.h"
#include "base/time/time.h"
+#include "base/timer/timer.h"
#include "chromeos/dbus/power_manager_client.h"
-#include "ui/compositor/layer_animation_observer.h"
-#include "ui/gfx/animation/tween.h"
+
+namespace aura {
+class Window;
+}
+
+namespace views {
+class Widget;
+}
namespace athena {
// Shuts down in response to the power button being pressed.
-class PowerButtonController : public chromeos::PowerManagerClient::Observer,
- public ui::ImplicitAnimationObserver {
+class PowerButtonController : public chromeos::PowerManagerClient::Observer {
public:
- PowerButtonController();
+ explicit PowerButtonController(aura::Window* dialog_container);
virtual ~PowerButtonController();
private:
enum State {
- // The screen is animating prior to shutdown. Shutdown can be canceled.
- STATE_PRE_SHUTDOWN_ANIMATION,
+ // Releasing the power button sends a suspend request.
+ STATE_SUSPEND_ON_RELEASE,
+
+ // A warning that the device is about to be shutdown is visible. Releasing
+ // the power button does not send a suspend or a shutdown request.
+ STATE_SHUTDOWN_WARNING_VISIBLE,
// A D-Bus shutdown request has been sent. Shutdown cannot be canceled.
STATE_SHUTDOWN_REQUESTED,
STATE_OTHER
};
- // Animates the screen's grayscale and brightness to |target|.
- void StartGrayscaleAndBrightnessAnimation(float target,
- int duration_ms,
- gfx::Tween::Type tween_type);
+ // Shows the shutdown warning dialog.
+ void ShowShutdownWarningDialog();
+
+ // Requests shutdown.
+ void Shutdown();
// chromeos::PowerManagerClient::Observer:
virtual void BrightnessChanged(int level, bool user_initiated) OVERRIDE;
bool down,
const base::TimeTicks& timestamp) OVERRIDE;
- // ui::ImplicitAnimationObserver:
- virtual void OnImplicitAnimationsCompleted() OVERRIDE;
+ // |shutdown_warning_message_|'s parent container.
+ aura::Window* warning_message_container_;
+
+ // Shows a warning that the device is about to be shutdown.
+ scoped_ptr<views::Widget> shutdown_warning_message_;
// Whether the screen brightness was reduced to 0%.
bool brightness_is_zero_;
State state_;
+ base::OneShotTimer<PowerButtonController> timer_;
+
DISALLOW_COPY_AND_ASSIGN(PowerButtonController);
};