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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 "config.h" | |
| 32 #include "core/animation/AnimatableStrokeDasharrayList.h" | |
| 33 | |
| 34 #include "bindings/core/v8/ExceptionStatePlaceholder.h" | |
| 35 #include "core/animation/AnimatableSVGLength.h" | |
| 36 | |
| 37 namespace WebCore { | |
| 38 | |
| 39 AnimatableStrokeDasharrayList::AnimatableStrokeDasharrayList(PassRefPtr<SVGLengt
hList> passLengths) | |
| 40 { | |
| 41 RefPtr<SVGLengthList> lengths = passLengths; | |
| 42 SVGLengthList::ConstIterator it = lengths->begin(); | |
| 43 SVGLengthList::ConstIterator itEnd = lengths->end(); | |
| 44 for (; it != itEnd; ++it) | |
| 45 m_values.append(AnimatableSVGLength::create(*it)); | |
| 46 } | |
| 47 | |
| 48 PassRefPtr<SVGLengthList> AnimatableStrokeDasharrayList::toSVGLengthList() const | |
| 49 { | |
| 50 RefPtr<SVGLengthList> lengths = SVGLengthList::create(); | |
| 51 for (size_t i = 0; i < m_values.size(); ++i) { | |
| 52 RefPtr<SVGLength> length = toAnimatableSVGLength(m_values[i].get())->toS
VGLength()->clone(); | |
| 53 if (length->valueInSpecifiedUnits() < 0) | |
| 54 length->setValueInSpecifiedUnits(0); | |
| 55 lengths->append(length); | |
| 56 } | |
| 57 return lengths.release(); | |
| 58 } | |
| 59 | |
| 60 bool AnimatableStrokeDasharrayList::usesDefaultInterpolationWith(const Animatabl
eValue* value) const | |
| 61 { | |
| 62 return false; | |
| 63 } | |
| 64 | |
| 65 PassRefPtrWillBeRawPtr<AnimatableValue> AnimatableStrokeDasharrayList::interpola
teTo(const AnimatableValue* value, double fraction) const | |
| 66 { | |
| 67 WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> > from = m_values; | |
| 68 WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> > to = toAnimatableStro
keDasharrayList(value)->m_values; | |
| 69 | |
| 70 // The spec states that if the sum of all values is zero, this should be | |
| 71 // treated like a value of 'none', which means that a solid line is drawn. | |
| 72 // Since we animate to and from values of zero, treat a value of 'none' the | |
| 73 // same. If both the two and from values are 'none', we return 'none' | |
| 74 // rather than '0 0'. | |
| 75 if (from.isEmpty() && to.isEmpty()) | |
| 76 return takeConstRef(this); | |
| 77 if (from.isEmpty() || to.isEmpty()) { | |
| 78 DEFINE_STATIC_REF_WILL_BE_PERSISTENT(AnimatableSVGLength, zeroPixels, (A
nimatableSVGLength::create(SVGLength::create()))); | |
| 79 if (from.isEmpty()) { | |
| 80 from.append(zeroPixels); | |
| 81 from.append(zeroPixels); | |
| 82 } | |
| 83 if (to.isEmpty()) { | |
| 84 to.append(zeroPixels); | |
| 85 to.append(zeroPixels); | |
| 86 } | |
| 87 } | |
| 88 | |
| 89 WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> > interpolatedValues; | |
| 90 bool success = interpolateLists(from, to, fraction, interpolatedValues); | |
| 91 ASSERT_UNUSED(success, success); | |
| 92 return adoptRefWillBeNoop(new AnimatableStrokeDasharrayList(interpolatedValu
es)); | |
| 93 } | |
| 94 | |
| 95 void AnimatableStrokeDasharrayList::trace(Visitor* visitor) | |
| 96 { | |
| 97 AnimatableRepeatable::trace(visitor); | |
| 98 } | |
| 99 | |
| 100 } // namespace WebCore | |
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