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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_ANIMATABLE_ANIMATABLEUNKNOWN_H_ | |
| 32 #define SKY_ENGINE_CORE_ANIMATION_ANIMATABLE_ANIMATABLEUNKNOWN_H_ | |
| 33 | |
| 34 #include "gen/sky/core/CSSValueKeywords.h" | |
| 35 #include "sky/engine/core/animation/animatable/AnimatableValue.h" | |
| 36 #include "sky/engine/core/css/CSSValuePool.h" | |
| 37 | |
| 38 namespace blink { | |
| 39 | |
| 40 class AnimatableUnknown final : public AnimatableValue { | |
| 41 public: | |
| 42 virtual ~AnimatableUnknown() { } | |
| 43 | |
| 44 static PassRefPtr<AnimatableUnknown> create(PassRefPtr<CSSValue> value) | |
| 45 { | |
| 46 return adoptRef(new AnimatableUnknown(value)); | |
| 47 } | |
| 48 static PassRefPtr<AnimatableUnknown> create(CSSValueID value) | |
| 49 { | |
| 50 return adoptRef(new AnimatableUnknown(cssValuePool().createIdentifierVal
ue(value))); | |
| 51 } | |
| 52 | |
| 53 PassRefPtr<CSSValue> toCSSValue() const { return m_value; } | |
| 54 CSSValueID toCSSValueID() const { return toCSSPrimitiveValue(m_value.get())-
>getValueID(); } | |
| 55 | |
| 56 protected: | |
| 57 virtual PassRefPtr<AnimatableValue> interpolateTo(const AnimatableValue* val
ue, double fraction) const override | |
| 58 { | |
| 59 return defaultInterpolateTo(this, value, fraction); | |
| 60 } | |
| 61 | |
| 62 virtual bool usesDefaultInterpolationWith(const AnimatableValue*) const over
ride { return true; } | |
| 63 | |
| 64 private: | |
| 65 explicit AnimatableUnknown(PassRefPtr<CSSValue> value) | |
| 66 : m_value(value) | |
| 67 { | |
| 68 ASSERT(m_value); | |
| 69 } | |
| 70 virtual AnimatableType type() const override { return TypeUnknown; } | |
| 71 virtual bool equalTo(const AnimatableValue*) const override; | |
| 72 | |
| 73 const RefPtr<CSSValue> m_value; | |
| 74 }; | |
| 75 | |
| 76 DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatableUnknown, isUnknown()); | |
| 77 | |
| 78 inline bool AnimatableUnknown::equalTo(const AnimatableValue* value) const | |
| 79 { | |
| 80 const AnimatableUnknown* unknown = toAnimatableUnknown(value); | |
| 81 return m_value == unknown->m_value || m_value->equals(*unknown->m_value); | |
| 82 } | |
| 83 | |
| 84 } // namespace blink | |
| 85 | |
| 86 #endif // SKY_ENGINE_CORE_ANIMATION_ANIMATABLE_ANIMATABLEUNKNOWN_H_ | |
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