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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_WINDOW_ANIMATIONS_H_
- #define ASH_WM_WINDOW_ANIMATIONS_H_
- #include <memory>
- #include "ash/ash_export.h"
- #include "ui/gfx/animation/tween.h"
- #include "ui/wm/core/window_animations.h"
- namespace aura {
- class Window;
- }
- namespace ui {
- class LayerTreeOwner;
- }
- // This is only for animations specific to Ash. For window animations shared
- // with desktop Chrome, see ui/wm/core/window_animations.h.
- namespace ash {
- // Direction for ash-specific window animations used in workspaces and
- // lock/unlock animations.
- enum LayerScaleAnimationDirection {
- LAYER_SCALE_ANIMATION_ABOVE,
- LAYER_SCALE_ANIMATION_BELOW,
- };
- // Applies scale related to the specified LayerScaleAnimationDirection.
- ASH_EXPORT void SetTransformForScaleAnimation(
- ui::Layer* layer,
- LayerScaleAnimationDirection type);
- // Implementation of cross fading. Window is the window being cross faded. It
- // should be at the target bounds. |old_layer_owner| contains the previous layer
- // from |window|.
- ASH_EXPORT void CrossFadeAnimation(
- aura::Window* window,
- std::unique_ptr<ui::LayerTreeOwner> old_layer_owner);
- // Implementation of cross fading which only animates the new layer. The old
- // layer will be owned by an observer which will update the transform as the new
- // layer's transform and bounds change. This is used by the
- // WorkspaceWindowResizer which needs to animate a window which has its bounds
- // updated throughout the course of the animation.
- ASH_EXPORT void CrossFadeAnimationAnimateNewLayerOnly(
- aura::Window* window,
- const gfx::Rect& target_bounds,
- base::TimeDelta duration,
- gfx::Tween::Type tween_type,
- const std::string& histogram_name);
- ASH_EXPORT bool AnimateOnChildWindowVisibilityChanged(aura::Window* window,
- bool visible);
- // Creates vector of animation sequences that lasts for |duration| and changes
- // brightness and grayscale to |target_value|. Caller takes ownership of
- // returned LayerAnimationSequence objects.
- ASH_EXPORT std::vector<ui::LayerAnimationSequence*>
- CreateBrightnessGrayscaleAnimationSequence(float target_value,
- base::TimeDelta duration);
- // Returns the approximate bounds to which |window| will be animated when it
- // is minimized. The bounds are approximate because the minimize animation
- // involves rotation.
- ASH_EXPORT gfx::Rect GetMinimizeAnimationTargetBoundsInScreen(
- aura::Window* window);
- } // namespace ash
- #endif // ASH_WM_WINDOW_ANIMATIONS_H_
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