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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_DISPLAY_OUTPUT_CONFIGURATOR_ANIMATION_H_
#define ASH_DISPLAY_OUTPUT_CONFIGURATOR_ANIMATION_H_
#include <map>
#include "ash/ash_export.h"
#include "base/callback.h"
#include "base/timer/timer.h"
#include "chromeos/display/output_configurator.h"
namespace aura {
class RootWindow;
class Window;
} // namespace aura
namespace ui {
class Layer;
} // namespace ui
namespace ash {
namespace internal {
// OutputConfiguratorAnimation provides the visual effects for
// chromeos::OutputConfigurator, such like fade-out/in during changing
// the display mode.
class ASH_EXPORT OutputConfiguratorAnimation
: public chromeos::OutputConfigurator::Observer {
public:
OutputConfiguratorAnimation();
virtual ~OutputConfiguratorAnimation();
// Starts the fade-out animation for the all root windows. It will
// call |callback| once all of the animations have finished.
void StartFadeOutAnimation(base::Closure callback);
// Starts the animation to clear the fade-out animation effect
// for the all root windows.
void StartFadeInAnimation();
protected:
// chromeos::OutputConfigurator::Observer overrides:
virtual void OnDisplayModeChanged(
const std::vector<chromeos::OutputConfigurator::OutputSnapshot>& outputs)
OVERRIDE;
virtual void OnDisplayModeChangeFailed(
chromeos::OutputState failed_new_state) OVERRIDE;
private:
// Clears all hiding layers. Note that in case that this method is called
// during an animation, the method call will cancel all of the animations
// and *not* call the registered callback.
void ClearHidingLayers();
std::map<aura::Window*, ui::Layer*> hiding_layers_;
scoped_ptr<base::OneShotTimer<OutputConfiguratorAnimation> > timer_;
DISALLOW_COPY_AND_ASSIGN(OutputConfiguratorAnimation);
};
} // namespace internal
} // namespace ash
#endif // ASH_DISPLAY_OUTPUT_CONFIGURATION_CONTROLLER_H_
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