sky/engine/core/animation/ActiveAnimations.h - Issue 1229273004: Remove Animations and Transitions.

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Issue 1229273004: Remove Animations and Transitions. (Closed) Base URL: https://github.com/domokit/mojo.git@master

Patch Set: Created 5 years, 5 months ago

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1 /*

2 * Copyright (C) 2013 Google Inc. All rights reserved.

3 *

4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions are

6 * met:

7 *

8 * * Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.

10 * * Redistributions in binary form must reproduce the above

11 * copyright notice, this list of conditions and the following disclaimer

12 * in the documentation and/or other materials provided with the

13 * distribution.

14 * * Neither the name of Google Inc. nor the names of its

15 * contributors may be used to endorse or promote products derived from

16 * this software without specific prior written permission.

17 *

18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

29 */

30

31 #ifndef SKY_ENGINE_CORE_ANIMATION_ACTIVEANIMATIONS_H_

32 #define SKY_ENGINE_CORE_ANIMATION_ACTIVEANIMATIONS_H_

33

34 #include "sky/engine/core/animation/AnimationStack.h"

35 #include "sky/engine/core/animation/css/CSSAnimations.h"

36 #include "sky/engine/wtf/HashCountedSet.h"

37 #include "sky/engine/wtf/HashMap.h"

38 #include "sky/engine/wtf/RefPtr.h"

39 #include "sky/engine/wtf/Vector.h"

40

41 namespace blink {

42

43 class CSSAnimations;

44 class RenderObject;

45 class Element;

46

47 typedef HashCountedSet<RawPtr<AnimationPlayer> > AnimationPlayerCountedSet;

48

49 class ActiveAnimations {

50 WTF_MAKE_NONCOPYABLE(ActiveAnimations);

51 public:

52 ActiveAnimations()

53 : m_animationStyleChange(false)

54 {

55 }

56

57 ~ActiveAnimations();

58

59 // Animations that are currently active for this element, their effects will be applied

60 // during a style recalc. CSS Transitions are included in this stack.

61 AnimationStack& defaultStack() { return m_defaultStack; }

62 const AnimationStack& defaultStack() const { return m_defaultStack; }

63 // Tracks the state of active CSS Animations and Transitions. The individual animations

64 // will also be part of the default stack, but the mapping betwen animation name and

65 // player is kept here.

66 CSSAnimations& cssAnimations() { return m_cssAnimations; }

67 const CSSAnimations& cssAnimations() const { return m_cssAnimations; }

68

69 // AnimationPlayers which have animations targeting this element.

70 AnimationPlayerCountedSet& players() { return m_players; }

71

72 bool isEmpty() const { return m_defaultStack.isEmpty() && m_cssAnimations.is Empty() && m_players.isEmpty(); }

73

74 void setAnimationStyleChange(bool animationStyleChange) { m_animationStyleCh ange = animationStyleChange; }

75

76 void addAnimation(Animation* animation) { m_animations.append(animation); }

77 void notifyAnimationDestroyed(Animation* animation) { m_animations.remove(m_ animations.find(animation)); }

78

79 private:

80 bool isAnimationStyleChange() const { return m_animationStyleChange; }

81

82 AnimationStack m_defaultStack;

83 CSSAnimations m_cssAnimations;

84 AnimationPlayerCountedSet m_players;

85 bool m_animationStyleChange;

86

87 // This is to avoid a reference cycle that keeps Elements alive.

88 Vector<Animation*> m_animations;

89

90 // CSSAnimations checks if a style change is due to animation.

91 friend class CSSAnimations;

92 };

93

94 } // namespace blink

95

96 #endif // SKY_ENGINE_CORE_ANIMATION_ACTIVEANIMATIONS_H_

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