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 AnimatableRepeatable_h 32 #define AnimatableRepeatable_h 33 34 #include "core/animation/animatable/AnimatableValue.h" 35 #include "wtf/Vector.h" 36 37 namespace blink { 38 39 // This class represents collections of values that animate in a repeated fashion as described by the CSS Transitions spec: 40 // http://www.w3.org/TR/css3-transitions/#animtype-repeatable-list 41 class AnimatableRepeatable : public AnimatableValue { 42 public: 43 virtual ~AnimatableRepeatable() { } 44 45 // This will consume the vector passed into it. 46 static PassRefPtrWillBeRawPtr<AnimatableRepeatable> create(WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> >& values) 47 { 48 return adoptRefWillBeNoop(new AnimatableRepeatable(values)); 49 } 50 51 const WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> >& values() const { return m_values; } 52 53 virtual void trace(Visitor*) OVERRIDE; 54 55 protected: 56 AnimatableRepeatable() 57 { 58 } 59 AnimatableRepeatable(WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> >& values) 60 { 61 ASSERT(!values.isEmpty()); 62 m_values.swap(values); 63 } 64 65 static bool interpolateLists(const WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> >& fromValues, const WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> >& toValues, double fraction, WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> >& interpolatedValues); 66 67 virtual bool usesDefaultInterpolationWith(const AnimatableValue*) const OVERRIDE; 68 69 WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> > m_values; 70 71 private: 72 virtual PassRefPtrWillBeRawPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const OVERRIDE; 73 74 virtual AnimatableType type() const OVERRIDE { return TypeRepeatable; } 75 virtual bool equalTo(const AnimatableValue*) const OVERRIDE FINAL; 76 }; 77 78 DEFINE_TYPE_CASTS(AnimatableRepeatable, AnimatableValue, value, (value->isRepeatable() || value->isStrokeDasharrayList()), (value.isRepeatable() || value.isStrokeDasharrayList())); 79 80 } // namespace blink 81 82 #endif // AnimatableRepeatable_h 83