| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef ElementAnimations_h |
| #define ElementAnimations_h |
| |
| #include "core/animation/AnimationStack.h" |
| #include "core/animation/CustomCompositorAnimations.h" |
| #include "core/animation/css/CSSAnimations.h" |
| #include "wtf/HashCountedSet.h" |
| #include "wtf/HashMap.h" |
| #include "wtf/RefPtr.h" |
| #include "wtf/Vector.h" |
| |
| namespace blink { |
| |
| class CSSAnimations; |
| |
| using AnimationCountedSet = HeapHashCountedSet<WeakMember<Animation>>; |
| |
| class ElementAnimations : public GarbageCollectedFinalized<ElementAnimations> { |
| WTF_MAKE_NONCOPYABLE(ElementAnimations); |
| public: |
| ElementAnimations(); |
| ~ElementAnimations(); |
| |
| // Animations that are currently active for this element, their effects will be applied |
| // during a style recalc. CSS Transitions are included in this stack. |
| AnimationStack& animationStack() { return m_animationStack; } |
| const AnimationStack& animationStack() const { return m_animationStack; } |
| // Tracks long running animations that are responsible for applying mutations |
| // from compositor worker. |
| CustomCompositorAnimations& customCompositorAnimations() { return m_customCompositorAnimations; } |
| const CustomCompositorAnimations& customCompositorAnimations() const { return m_customCompositorAnimations; } |
| // Tracks the state of active CSS Animations and Transitions. The individual animations |
| // will also be part of the animation stack, but the mapping betwen animation name and |
| // animation is kept here. |
| CSSAnimations& cssAnimations() { return m_cssAnimations; } |
| const CSSAnimations& cssAnimations() const { return m_cssAnimations; } |
| |
| // Animations which have effects targeting this element. |
| AnimationCountedSet& animations() { return m_animations; } |
| |
| bool isEmpty() const { return m_animationStack.isEmpty() && m_cssAnimations.isEmpty() && m_animations.isEmpty(); } |
| |
| void restartAnimationOnCompositor(); |
| |
| void updateAnimationFlags(ComputedStyle&); |
| void setAnimationStyleChange(bool animationStyleChange) { m_animationStyleChange = animationStyleChange; } |
| |
| const ComputedStyle* baseComputedStyle() const; |
| void updateBaseComputedStyle(const ComputedStyle*); |
| void clearBaseComputedStyle(); |
| |
| DECLARE_TRACE(); |
| |
| private: |
| bool isAnimationStyleChange() const; |
| |
| AnimationStack m_animationStack; |
| CustomCompositorAnimations m_customCompositorAnimations; |
| CSSAnimations m_cssAnimations; |
| AnimationCountedSet m_animations; |
| bool m_animationStyleChange; |
| RefPtr<ComputedStyle> m_baseComputedStyle; |
| |
| // CSSAnimations and DeferredLegacyStyleInterpolation checks if a style change is due to animation. |
| friend class CSSAnimations; |
| friend class DeferredLegacyStyleInterpolation; |
| }; |
| |
| } // namespace blink |
| |
| #endif // ElementAnimations_h |