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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #include "core/animation/animatable/AnimatableLengthBoxAndBool.h" | 31 #include "core/animation/animatable/AnimatableLengthBoxAndBool.h" |
32 | 32 |
33 #include "core/animation/animatable/AnimatableLength.h" | |
34 #include "core/animation/animatable/AnimatableLengthBox.h" | 33 #include "core/animation/animatable/AnimatableLengthBox.h" |
35 | 34 |
36 namespace blink { | 35 namespace blink { |
37 | 36 |
38 static bool sidesHaveSameUnits(const AnimatableValue* sideA, | |
39 const AnimatableValue* sideB) { | |
40 if (!sideA->isLength() || !sideB->isLength()) | |
41 return false; | |
42 return toAnimatableLength(sideA)->hasSameUnits(toAnimatableLength(sideB)); | |
43 } | |
44 | |
45 // This is only used by *-image-slice properties which cannot interpolate | |
46 // between numbers and percentages. Numbers are internally represented by pixels | |
47 // on the ComputedStyle so we must manually type check both sides. | |
48 bool AnimatableLengthBoxAndBool::usesDefaultInterpolationWith( | |
49 const AnimatableValue* value) const { | |
50 const AnimatableLengthBoxAndBool* lengthBoxAndBool = | |
51 toAnimatableLengthBoxAndBool(value); | |
52 if (lengthBoxAndBool->flag() != flag()) | |
53 return true; | |
54 if (!box()->isLengthBox() || !lengthBoxAndBool->box()->isLengthBox()) | |
55 return AnimatableValue::usesDefaultInterpolation(box(), | |
56 lengthBoxAndBool->box()); | |
57 const AnimatableLengthBox* boxA = toAnimatableLengthBox(box()); | |
58 const AnimatableLengthBox* boxB = | |
59 toAnimatableLengthBox(lengthBoxAndBool->box()); | |
60 return !sidesHaveSameUnits(boxA->left(), boxB->left()) || | |
61 !sidesHaveSameUnits(boxA->right(), boxB->right()) || | |
62 !sidesHaveSameUnits(boxA->top(), boxB->top()) || | |
63 !sidesHaveSameUnits(boxA->bottom(), boxB->bottom()); | |
64 } | |
65 | |
66 PassRefPtr<AnimatableValue> AnimatableLengthBoxAndBool::interpolateTo( | |
67 const AnimatableValue* value, | |
68 double fraction) const { | |
69 const AnimatableLengthBoxAndBool* lengthBoxAndBool = | |
70 toAnimatableLengthBoxAndBool(value); | |
71 if (usesDefaultInterpolationWith(lengthBoxAndBool)) | |
72 return defaultInterpolateTo(this, value, fraction); | |
73 return AnimatableLengthBoxAndBool::create( | |
74 AnimatableValue::interpolate(box(), lengthBoxAndBool->box(), fraction), | |
75 flag()); | |
76 } | |
77 | |
78 bool AnimatableLengthBoxAndBool::equalTo(const AnimatableValue* value) const { | 37 bool AnimatableLengthBoxAndBool::equalTo(const AnimatableValue* value) const { |
79 const AnimatableLengthBoxAndBool* lengthBox = | 38 const AnimatableLengthBoxAndBool* lengthBox = |
80 toAnimatableLengthBoxAndBool(value); | 39 toAnimatableLengthBoxAndBool(value); |
81 return box()->equals(lengthBox->box()) && flag() == lengthBox->flag(); | 40 return m_box->equals(lengthBox->m_box.get()) && m_flag == lengthBox->m_flag; |
82 } | 41 } |
83 | 42 |
84 } // namespace blink | 43 } // namespace blink |
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