/* * 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 ActiveAnimations_h #define ActiveAnimations_h #include "core/animation/AnimationStack.h" #include "core/animation/css/CSSAnimations.h" #include "wtf/HashCountedSet.h" #include "wtf/HashMap.h" #include "wtf/RefPtr.h" #include "wtf/Vector.h" namespace WebCore { class CSSAnimations; class RenderObject; class Element; // FIXME: Move these to CompositorAnimations bool shouldCompositeForActiveAnimations(const RenderObject&); bool hasActiveAnimations(const RenderObject&, CSSPropertyID); bool hasActiveAnimationsOnCompositor(const RenderObject&, CSSPropertyID); class ActiveAnimations : public NoBaseWillBeGarbageCollectedFinalized<ActiveAnimations> { public: ActiveAnimations() : m_animationStyleChange(false) { } // 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& defaultStack() { return m_defaultStack; } // Tracks the state of active CSS Animations and Transitions. The individual animations // will also be part of the default stack, but the mapping betwen animation name and // player is kept here. CSSAnimations& cssAnimations() { return m_cssAnimations; } const CSSAnimations& cssAnimations() const { return m_cssAnimations; } typedef HashCountedSet<AnimationPlayer*> AnimationPlayerSet; // AnimationPlayers which have animations targeting this element. const AnimationPlayerSet& players() const { return m_players; } AnimationPlayerSet& players() { return m_players; } bool isEmpty() const { return m_defaultStack.isEmpty() && m_cssAnimations.isEmpty(); } // FIXME: This and most of this class needs to be renamed to consider 'current' // rather than 'active' animations. bool hasActiveAnimations(CSSPropertyID) const; bool hasActiveAnimationsOnCompositor(CSSPropertyID) const; void cancelAnimationOnCompositor(); void setAnimationStyleChange(bool animationStyleChange) { m_animationStyleChange = animationStyleChange; } void trace(Visitor*); private: bool isAnimationStyleChange() const { return m_animationStyleChange; } AnimationStack m_defaultStack; CSSAnimations m_cssAnimations; AnimationPlayerSet m_players; bool m_animationStyleChange; // CSSAnimations checks if a style change is due to animation. friend class CSSAnimations; }; } // namespace WebCore #endif