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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_SESSION_STATE_ANIMATOR_IMPL_H_
#define ASH_WM_SESSION_STATE_ANIMATOR_IMPL_H_
#include "ash/ash_export.h"
#include "ash/wm/session_state_animator.h"
#include "base/basictypes.h"
#include "ui/aura/window.h"
namespace ui {
class LayerAnimationObserver;
}
namespace ash {
// Displays onscreen animations for session state changes (lock/unlock, sign
// out, shut down).
class ASH_EXPORT SessionStateAnimatorImpl : public SessionStateAnimator {
public:
// Helper class used by tests to access internal state.
class ASH_EXPORT TestApi {
public:
explicit TestApi(SessionStateAnimatorImpl* animator)
: animator_(animator) {}
// Returns true if containers of a given |container_mask|
// were last animated with |type| (probably; the analysis is fairly ad-hoc).
// |container_mask| is a bitfield of a Container.
bool ContainersAreAnimated(int container_mask,
SessionStateAnimator::AnimationType type) const;
// Returns true if root window was last animated with |type| (probably;
// the analysis is fairly ad-hoc).
bool RootWindowIsAnimated(SessionStateAnimator::AnimationType type) const;
private:
SessionStateAnimatorImpl* animator_; // not owned
DISALLOW_COPY_AND_ASSIGN(TestApi);
};
SessionStateAnimatorImpl();
virtual ~SessionStateAnimatorImpl();
// Fills |containers| with the containers included in |container_mask|.
static void GetContainers(int container_mask,
aura::Window::Windows* containers);
// ash::SessionStateAnimator:
virtual void StartAnimation(int container_mask,
AnimationType type,
AnimationSpeed speed) OVERRIDE;
virtual void StartAnimationWithCallback(
int container_mask,
AnimationType type,
AnimationSpeed speed,
base::Closure callback) OVERRIDE;
virtual AnimationSequence* BeginAnimationSequence(
base::Closure callback) OVERRIDE;
virtual bool IsBackgroundHidden() const OVERRIDE;
virtual void ShowBackground() OVERRIDE;
virtual void HideBackground() OVERRIDE;
private:
class AnimationSequence;
friend class AnimationSequence;
virtual void StartAnimationInSequence(int container_mask,
AnimationType type,
AnimationSpeed speed,
AnimationSequence* observer);
// Apply animation |type| to window |window| with |speed| and add |observer|
// if it is not NULL to the last animation sequence.
void RunAnimationForWindow(aura::Window* window,
SessionStateAnimator::AnimationType type,
SessionStateAnimator::AnimationSpeed speed,
ui::LayerAnimationObserver* observer);
DISALLOW_COPY_AND_ASSIGN(SessionStateAnimatorImpl);
};
} // namespace ash
#endif // ASH_WM_SESSION_STATE_ANIMATOR_IMPL_H_
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