sky/engine/core/animation/animatable/AnimatableRepeatable.cpp - 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 #include "sky/engine/core/animation/animatable/AnimatableRepeatable.h"

32

33 #include "sky/engine/wtf/MathExtras.h"

34

35 namespace blink {

36

37 bool AnimatableRepeatable::usesDefaultInterpolationWith(const AnimatableValue* v alue) const

38 {

39 const Vector<RefPtr<AnimatableValue> >& fromValues = m_values;

40 const Vector<RefPtr<AnimatableValue> >& toValues = toAnimatableRepeatable(va lue)->m_values;

41 ASSERT(!fromValues.isEmpty() && !toValues.isEmpty());

42 size_t size = lowestCommonMultiple(fromValues.size(), toValues.size());

43 ASSERT(size > 0);

44 for (size_t i = 0; i < size; ++i) {

45 const AnimatableValue* from = fromValues[i % fromValues.size()].get();

46 const AnimatableValue* to = toValues[i % toValues.size()].get();

47 // Spec: If a pair of values cannot be interpolated, then the lists are not interpolable.

48 if (AnimatableValue::usesDefaultInterpolation(from, to))

49 return true;

50 }

51 return false;

52 }

53

54 bool AnimatableRepeatable::interpolateLists(const Vector<RefPtr<AnimatableValue> >& fromValues, const Vector<RefPtr<AnimatableValue> >& toValues, double fractio n, Vector<RefPtr<AnimatableValue> >& interpolatedValues)

55 {

56 // Interpolation behaviour spec: http://www.w3.org/TR/css3-transitions/#anim type-repeatable-list

57 ASSERT(interpolatedValues.isEmpty());

58 ASSERT(!fromValues.isEmpty() && !toValues.isEmpty());

59 size_t size = lowestCommonMultiple(fromValues.size(), toValues.size());

60 ASSERT(size > 0);

61 for (size_t i = 0; i < size; ++i) {

62 const AnimatableValue* from = fromValues[i % fromValues.size()].get();

63 const AnimatableValue* to = toValues[i % toValues.size()].get();

64 // Spec: If a pair of values cannot be interpolated, then the lists are not interpolable.

65 if (AnimatableValue::usesDefaultInterpolation(from, to))

66 return false;

67 interpolatedValues.append(interpolate(from, to, fraction));

68 }

69 return true;

70 }

71

72 PassRefPtr<AnimatableValue> AnimatableRepeatable::interpolateTo(const Animatable Value* value, double fraction) const

73 {

74 Vector<RefPtr<AnimatableValue> > interpolatedValues;

75 bool success = interpolateLists(m_values, toAnimatableRepeatable(value)->m_v alues, fraction, interpolatedValues);

76 if (success)

77 return create(interpolatedValues);

78 return defaultInterpolateTo(this, value, fraction);

79 }

80

81 bool AnimatableRepeatable::equalTo(const AnimatableValue* value) const

82 {

83 const Vector<RefPtr<AnimatableValue> >& otherValues = toAnimatableRepeatable (value)->m_values;

84 if (m_values.size() != otherValues.size())

85 return false;

86 for (size_t i = 0; i < m_values.size(); ++i) {

87 if (!m_values[i]->equals(otherValues[i].get()))

88 return false;

89 }

90 return true;

91 }

92

93 } // namespace blink

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