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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "config.h" | 5 #include "config.h" |
| 6 #include "core/animation/DoubleStyleInterpolation.h" | 6 #include "core/animation/DoubleStyleInterpolation.h" |
| 7 | 7 |
| 8 #include "core/css/CSSCalculationValue.h" | 8 #include "core/css/CSSCalculationValue.h" |
| 9 #include "core/css/resolver/StyleBuilder.h" | 9 #include "core/css/resolver/StyleBuilder.h" |
| 10 | 10 |
| 11 namespace blink { | 11 namespace blink { |
| 12 | 12 |
| 13 bool DoubleStyleInterpolation::canCreateFrom(const CSSValue& value) | 13 bool DoubleStyleInterpolation::canCreateFrom(const CSSValue& value) |
| 14 { | 14 { |
| 15 return value.isPrimitiveValue() && (toCSSPrimitiveValue(value).isNumber() ||
toCSSPrimitiveValue(value).isAngle()); | 15 return value.isPrimitiveValue() && (toCSSPrimitiveValue(value).isNumber() ||
toCSSPrimitiveValue(value).isAngle()); |
| 16 } | 16 } |
| 17 | 17 |
| 18 PassOwnPtrWillBeRawPtr<InterpolableValue> DoubleStyleInterpolation::doubleToInte
rpolableValue(const CSSValue& value) | 18 PassOwnPtrWillBeRawPtr<InterpolableValue> DoubleStyleInterpolation::doubleToInte
rpolableValue(const CSSValue& value) |
| 19 { | 19 { |
| 20 ASSERT(canCreateFrom(value)); | 20 ASSERT(canCreateFrom(value)); |
| 21 const CSSPrimitiveValue& primitive = toCSSPrimitiveValue(value); | 21 const CSSPrimitiveValue& primitive = toCSSPrimitiveValue(value); |
| 22 if (primitive.isNumber()) | 22 if (primitive.isNumber()) |
| 23 return InterpolableNumber::create(primitive.getDoubleValue()); | 23 return InterpolableNumber::create(primitive.getDoubleValue()); |
| 24 if (primitive.isAngle()) | 24 if (primitive.isAngle()) |
| 25 return InterpolableNumber::create(primitive.computeDegrees()); | 25 return InterpolableNumber::create(primitive.computeDegrees()); |
| 26 ASSERT_NOT_REACHED(); | 26 ASSERT_NOT_REACHED(); |
| 27 return nullptr; | 27 return nullptr; |
| 28 } | 28 } |
| 29 | 29 |
| 30 PassRefPtrWillBeRawPtr<CSSValue> DoubleStyleInterpolation::interpolableValueToDo
uble(InterpolableValue* value, bool isNumber, InterpolationRange clamp) | 30 CSSValue DoubleStyleInterpolation::interpolableValueToDouble(InterpolableValue*
value, bool isNumber, InterpolationRange clamp) |
| 31 { | 31 { |
| 32 ASSERT(value->isNumber()); | 32 ASSERT(value->isNumber()); |
| 33 double doubleValue = toInterpolableNumber(value)->value(); | 33 double doubleValue = toInterpolableNumber(value)->value(); |
| 34 | 34 |
| 35 switch (clamp) { | 35 switch (clamp) { |
| 36 case RangeAll: | 36 case RangeAll: |
| 37 // Do nothing | 37 // Do nothing |
| 38 break; | 38 break; |
| 39 case RangeZeroToOne: | 39 case RangeZeroToOne: |
| 40 doubleValue = clampTo<float>(doubleValue, 0, 1); | 40 doubleValue = clampTo<float>(doubleValue, 0, 1); |
| (...skipping 20 matching lines...) Expand all Loading... |
| 61 ASSERT_NOT_REACHED(); | 61 ASSERT_NOT_REACHED(); |
| 62 } | 62 } |
| 63 if (isNumber) | 63 if (isNumber) |
| 64 return CSSPrimitiveValue::create(doubleValue, CSSPrimitiveValue::CSS_NUM
BER); | 64 return CSSPrimitiveValue::create(doubleValue, CSSPrimitiveValue::CSS_NUM
BER); |
| 65 return CSSPrimitiveValue::create(doubleValue, CSSPrimitiveValue::CSS_DEG); | 65 return CSSPrimitiveValue::create(doubleValue, CSSPrimitiveValue::CSS_DEG); |
| 66 } | 66 } |
| 67 | 67 |
| 68 void DoubleStyleInterpolation::apply(StyleResolverState& state) const | 68 void DoubleStyleInterpolation::apply(StyleResolverState& state) const |
| 69 { | 69 { |
| 70 if (m_id != CSSPropertyMotionRotation) { | 70 if (m_id != CSSPropertyMotionRotation) { |
| 71 StyleBuilder::applyProperty(m_id, state, interpolableValueToDouble(m_cac
hedValue.get(), m_isNumber, m_clamp).get()); | 71 StyleBuilder::applyProperty(m_id, state, interpolableValueToDouble(m_cac
hedValue.get(), m_isNumber, m_clamp)); |
| 72 return; | 72 return; |
| 73 } | 73 } |
| 74 | 74 |
| 75 StyleBuilder::applyProperty(m_id, state, interpolableValueToMotionRotation(m
_cachedValue.get(), m_flag).get()); | 75 StyleBuilder::applyProperty(m_id, state, interpolableValueToMotionRotation(m
_cachedValue.get(), m_flag)); |
| 76 } | 76 } |
| 77 | 77 |
| 78 DEFINE_TRACE(DoubleStyleInterpolation) | 78 DEFINE_TRACE(DoubleStyleInterpolation) |
| 79 { | 79 { |
| 80 StyleInterpolation::trace(visitor); | 80 StyleInterpolation::trace(visitor); |
| 81 } | 81 } |
| 82 | 82 |
| 83 namespace { | 83 namespace { |
| 84 | 84 |
| 85 bool extractMotionRotation(const CSSValue& value, float* rotation, MotionRotatio
nType* rotationType) | 85 bool extractMotionRotation(const CSSValue& value, float* rotation, MotionRotatio
nType* rotationType) |
| 86 { | 86 { |
| 87 *rotation = 0; | 87 *rotation = 0; |
| 88 *rotationType = MotionRotationFixed; | 88 *rotationType = MotionRotationFixed; |
| 89 | 89 |
| 90 if (!value.isValueList()) | 90 if (!value.isValueList()) |
| 91 return false; | 91 return false; |
| 92 const CSSValueList& list = toCSSValueList(value); | 92 const CSSValueList& list = toCSSValueList(value); |
| 93 | 93 |
| 94 int len = list.length(); | 94 int len = list.length(); |
| 95 for (int i = 0; i < len; i++) { | 95 for (int i = 0; i < len; i++) { |
| 96 const CSSValue* item = list.item(i); | 96 const CSSValue item = list.item(i); |
| 97 if (!item->isPrimitiveValue()) | 97 if (!item.isPrimitiveValue()) |
| 98 return false; | 98 return false; |
| 99 const CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(item); | 99 const CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(item); |
| 100 if (primitiveValue->getValueID() == CSSValueAuto) { | 100 if (primitiveValue.getValueID() == CSSValueAuto) { |
| 101 *rotationType = MotionRotationAuto; | 101 *rotationType = MotionRotationAuto; |
| 102 } else if (primitiveValue->getValueID() == CSSValueReverse) { | 102 } else if (primitiveValue.getValueID() == CSSValueReverse) { |
| 103 *rotationType = MotionRotationAuto; | 103 *rotationType = MotionRotationAuto; |
| 104 *rotation += 180; | 104 *rotation += 180; |
| 105 } else if (primitiveValue->isAngle()) { | 105 } else if (primitiveValue.isAngle()) { |
| 106 *rotation += primitiveValue->computeDegrees(); | 106 *rotation += primitiveValue.computeDegrees(); |
| 107 } else { | 107 } else { |
| 108 return false; | 108 return false; |
| 109 } | 109 } |
| 110 } | 110 } |
| 111 return true; | 111 return true; |
| 112 } | 112 } |
| 113 | 113 |
| 114 } // namespace | 114 } // namespace |
| 115 | 115 |
| 116 PassRefPtrWillBeRawPtr<CSSValue> DoubleStyleInterpolation::interpolableValueToMo
tionRotation(InterpolableValue* value, bool flag) | 116 CSSValue DoubleStyleInterpolation::interpolableValueToMotionRotation(Interpolabl
eValue* value, bool flag) |
| 117 { | 117 { |
| 118 RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated()
; | 118 RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated()
; |
| 119 if (flag) | 119 if (flag) |
| 120 list->append(CSSPrimitiveValue::createIdentifier(CSSValueAuto)); | 120 list->append(CSSPrimitiveValue::createIdentifier(CSSValueAuto)); |
| 121 ASSERT(value->isNumber()); | 121 ASSERT(value->isNumber()); |
| 122 list->append(CSSPrimitiveValue::create(toInterpolableNumber(value)->value(),
CSSPrimitiveValue::CSS_DEG)); | 122 list->append(CSSPrimitiveValue::create(toInterpolableNumber(value)->value(),
CSSPrimitiveValue::CSS_DEG)); |
| 123 return list.release(); | 123 return list.release(); |
| 124 } | 124 } |
| 125 | 125 |
| 126 PassOwnPtrWillBeRawPtr<InterpolableValue> DoubleStyleInterpolation::motionRotati
onToInterpolableValue(const CSSValue& value) | 126 PassOwnPtrWillBeRawPtr<InterpolableValue> DoubleStyleInterpolation::motionRotati
onToInterpolableValue(const CSSValue& value) |
| (...skipping 15 matching lines...) Expand all Loading... |
| 142 || startRotationType != endRotationType) | 142 || startRotationType != endRotationType) |
| 143 return nullptr; | 143 return nullptr; |
| 144 | 144 |
| 145 return adoptRefWillBeNoop(new DoubleStyleInterpolation( | 145 return adoptRefWillBeNoop(new DoubleStyleInterpolation( |
| 146 motionRotationToInterpolableValue(start), | 146 motionRotationToInterpolableValue(start), |
| 147 motionRotationToInterpolableValue(end), | 147 motionRotationToInterpolableValue(end), |
| 148 id, true, InterpolationRange::RangeAll, startRotationType == MotionRotat
ionAuto)); | 148 id, true, InterpolationRange::RangeAll, startRotationType == MotionRotat
ionAuto)); |
| 149 } | 149 } |
| 150 | 150 |
| 151 } | 151 } |
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