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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.
#include "ash/ash_export.h"
#include "ash/wm/session_state_animator.h"
#include "base/macros.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 {
// Helper class used by tests to access internal state.
class ASH_EXPORT TestApi {
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;
SessionStateAnimatorImpl* animator_; // not owned
~SessionStateAnimatorImpl() override;
// Fills |containers| with the containers included in |container_mask|.
static void GetContainers(int container_mask,
aura::Window::Windows* containers);
// ash::SessionStateAnimator:
void StartAnimation(int container_mask,
AnimationType type,
AnimationSpeed speed) override;
void StartAnimationWithCallback(int container_mask,
AnimationType type,
AnimationSpeed speed,
base::Closure callback) override;
AnimationSequence* BeginAnimationSequence(base::Closure callback) override;
bool IsWallpaperHidden() const override;
void ShowWallpaper() override;
void HideWallpaper() override;
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);
} // namespace ash