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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/AnimatableValue.h" | |
| 33 #include "core/animation/AnimatableNeutral.h" | |
| 34 #include "wtf/StdLibExtras.h" | |
| 35 #include <algorithm> | |
| 36 | |
| 37 namespace { | |
| 38 | |
| 39 const double defaultDistance = 1; | |
| 40 | |
| 41 } // namespace | |
| 42 | |
| 43 namespace WebCore { | |
| 44 | |
| 45 const AnimatableValue* AnimatableValue::neutralValue() | |
| 46 { | |
| 47 DEFINE_STATIC_REF_WILL_BE_PERSISTENT(AnimatableNeutral, neutralSentinelValue
, (AnimatableNeutral::create())); | |
| 48 return neutralSentinelValue; | |
| 49 } | |
| 50 | |
| 51 PassRefPtrWillBeRawPtr<AnimatableValue> AnimatableValue::interpolate(const Anima
tableValue* left, const AnimatableValue* right, double fraction) | |
| 52 { | |
| 53 ASSERT(left); | |
| 54 ASSERT(right); | |
| 55 ASSERT(!left->isNeutral()); | |
| 56 ASSERT(!right->isNeutral()); | |
| 57 | |
| 58 if (fraction && fraction != 1 && left->isSameType(right)) | |
| 59 return left->interpolateTo(right, fraction); | |
| 60 | |
| 61 return defaultInterpolateTo(left, right, fraction); | |
| 62 } | |
| 63 | |
| 64 double AnimatableValue::distance(const AnimatableValue* left, const AnimatableVa
lue* right) | |
| 65 { | |
| 66 ASSERT(left); | |
| 67 ASSERT(right); | |
| 68 | |
| 69 if (left->isSameType(right)) | |
| 70 return left->distanceTo(right); | |
| 71 | |
| 72 return defaultDistance; | |
| 73 } | |
| 74 | |
| 75 double AnimatableValue::distanceTo(const AnimatableValue*) const | |
| 76 { | |
| 77 return defaultDistance; | |
| 78 } | |
| 79 | |
| 80 } // namespace WebCore | |
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Chromium Code Reviews
Issue 363183003:
Move Animatable* hierarchy into new folder. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master