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31 #ifndef ActiveAnimations_h
32 #define ActiveAnimations_h
34 #include "core/animation/AnimationStack.h"
35 #include "core/animation/css/CSSAnimations.h"
36 #include "wtf/HashCountedSet.h"
37 #include "wtf/HashMap.h"
38 #include "wtf/RefPtr.h"
39 #include "wtf/Vector.h"
47 // FIXME: Move these to CompositorAnimations
48 bool shouldCompositeForActiveAnimations(const RenderObject&);
49 bool hasActiveAnimations(const RenderObject&, CSSPropertyID);
50 bool hasActiveAnimationsOnCompositor(const RenderObject&, CSSPropertyID);
52 class ActiveAnimations {
55 : m_animationStyleChange(false) { }
57 // Animations that are currently active for this element, their effects will be applied
58 // during a style recalc. CSS Transitions are included in this stack.
59 AnimationStack& defaultStack() { return m_defaultStack; }
60 // Tracks the state of active CSS Animations and Transitions. The individual animations
61 // will also be part of the default stack, but the mapping betwen animation name and
62 // player is kept here.
63 CSSAnimations& cssAnimations() { return m_cssAnimations; }
64 const CSSAnimations& cssAnimations() const { return m_cssAnimations; }
66 typedef HashCountedSet<Player*> PlayerSet;
67 // Players which have animations targeting this element.
68 const PlayerSet& players() const { return m_players; }
69 PlayerSet& players() { return m_players; }
71 bool isEmpty() const { return m_defaultStack.isEmpty() && m_cssAnimations.isEmpty(); }
73 bool hasActiveAnimations(CSSPropertyID) const;
74 bool hasActiveAnimationsOnCompositor(CSSPropertyID) const;
75 void cancelAnimationOnCompositor();
77 void setAnimationStyleChange(bool animationStyleChange) { m_animationStyleChange = animationStyleChange; }
80 bool isAnimationStyleChange() const { return m_animationStyleChange; }
82 AnimationStack m_defaultStack;
83 CSSAnimations m_cssAnimations;
85 bool m_animationStyleChange;
87 // CSSAnimations checks if a style change is due to animation.
88 friend class CSSAnimations;
91 } // namespace WebCore