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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 |
| (...skipping 13 matching lines...) Expand all Loading... |
| 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 #ifndef TimingCalculations_h | 31 #ifndef TimingCalculations_h |
| 32 #define TimingCalculations_h | 32 #define TimingCalculations_h |
| 33 | 33 |
| 34 #include "core/animation/AnimationNode.h" | 34 #include "core/animation/AnimationEffect.h" |
| 35 #include "core/animation/Timing.h" | 35 #include "core/animation/Timing.h" |
| 36 #include "platform/animation/AnimationUtilities.h" | 36 #include "platform/animation/AnimationUtilities.h" |
| 37 #include "wtf/MathExtras.h" | 37 #include "wtf/MathExtras.h" |
| 38 | 38 |
| 39 namespace blink { | 39 namespace blink { |
| 40 | 40 |
| 41 static inline double multiplyZeroAlwaysGivesZero(double x, double y) | 41 static inline double multiplyZeroAlwaysGivesZero(double x, double y) |
| 42 { | 42 { |
| 43 ASSERT(!isNull(x)); | 43 ASSERT(!isNull(x)); |
| 44 ASSERT(!isNull(y)); | 44 ASSERT(!isNull(y)); |
| 45 return x && y ? x * y : 0; | 45 return x && y ? x * y : 0; |
| 46 } | 46 } |
| 47 | 47 |
| 48 static inline AnimationNode::Phase calculatePhase(double activeDuration, double
localTime, const Timing& specified) | 48 static inline AnimationEffect::Phase calculatePhase(double activeDuration, doubl
e localTime, const Timing& specified) |
| 49 { | 49 { |
| 50 ASSERT(activeDuration >= 0); | 50 ASSERT(activeDuration >= 0); |
| 51 if (isNull(localTime)) | 51 if (isNull(localTime)) |
| 52 return AnimationNode::PhaseNone; | 52 return AnimationEffect::PhaseNone; |
| 53 if (localTime < specified.startDelay) | 53 if (localTime < specified.startDelay) |
| 54 return AnimationNode::PhaseBefore; | 54 return AnimationEffect::PhaseBefore; |
| 55 if (localTime >= specified.startDelay + activeDuration) | 55 if (localTime >= specified.startDelay + activeDuration) |
| 56 return AnimationNode::PhaseAfter; | 56 return AnimationEffect::PhaseAfter; |
| 57 return AnimationNode::PhaseActive; | 57 return AnimationEffect::PhaseActive; |
| 58 } | 58 } |
| 59 | 59 |
| 60 static inline bool isActiveInParentPhase(AnimationNode::Phase parentPhase, Timin
g::FillMode fillMode) | 60 static inline bool isActiveInParentPhase(AnimationEffect::Phase parentPhase, Tim
ing::FillMode fillMode) |
| 61 { | 61 { |
| 62 switch (parentPhase) { | 62 switch (parentPhase) { |
| 63 case AnimationNode::PhaseBefore: | 63 case AnimationEffect::PhaseBefore: |
| 64 return fillMode == Timing::FillModeBackwards || fillMode == Timing::Fill
ModeBoth; | 64 return fillMode == Timing::FillModeBackwards || fillMode == Timing::Fill
ModeBoth; |
| 65 case AnimationNode::PhaseActive: | 65 case AnimationEffect::PhaseActive: |
| 66 return true; | 66 return true; |
| 67 case AnimationNode::PhaseAfter: | 67 case AnimationEffect::PhaseAfter: |
| 68 return fillMode == Timing::FillModeForwards || fillMode == Timing::FillM
odeBoth; | 68 return fillMode == Timing::FillModeForwards || fillMode == Timing::FillM
odeBoth; |
| 69 default: | 69 default: |
| 70 ASSERT_NOT_REACHED(); | 70 ASSERT_NOT_REACHED(); |
| 71 return false; | 71 return false; |
| 72 } | 72 } |
| 73 } | 73 } |
| 74 | 74 |
| 75 static inline double calculateActiveTime(double activeDuration, Timing::FillMode
fillMode, double localTime, AnimationNode::Phase parentPhase, AnimationNode::Ph
ase phase, const Timing& specified) | 75 static inline double calculateActiveTime(double activeDuration, Timing::FillMode
fillMode, double localTime, AnimationEffect::Phase parentPhase, AnimationEffect
::Phase phase, const Timing& specified) |
| 76 { | 76 { |
| 77 ASSERT(activeDuration >= 0); | 77 ASSERT(activeDuration >= 0); |
| 78 ASSERT(phase == calculatePhase(activeDuration, localTime, specified)); | 78 ASSERT(phase == calculatePhase(activeDuration, localTime, specified)); |
| 79 | 79 |
| 80 switch (phase) { | 80 switch (phase) { |
| 81 case AnimationNode::PhaseBefore: | 81 case AnimationEffect::PhaseBefore: |
| 82 if (fillMode == Timing::FillModeBackwards || fillMode == Timing::FillMod
eBoth) | 82 if (fillMode == Timing::FillModeBackwards || fillMode == Timing::FillMod
eBoth) |
| 83 return 0; | 83 return 0; |
| 84 return nullValue(); | 84 return nullValue(); |
| 85 case AnimationNode::PhaseActive: | 85 case AnimationEffect::PhaseActive: |
| 86 if (isActiveInParentPhase(parentPhase, fillMode)) | 86 if (isActiveInParentPhase(parentPhase, fillMode)) |
| 87 return localTime - specified.startDelay; | 87 return localTime - specified.startDelay; |
| 88 return nullValue(); | 88 return nullValue(); |
| 89 case AnimationNode::PhaseAfter: | 89 case AnimationEffect::PhaseAfter: |
| 90 if (fillMode == Timing::FillModeForwards || fillMode == Timing::FillMode
Both) | 90 if (fillMode == Timing::FillModeForwards || fillMode == Timing::FillMode
Both) |
| 91 return activeDuration; | 91 return activeDuration; |
| 92 return nullValue(); | 92 return nullValue(); |
| 93 case AnimationNode::PhaseNone: | 93 case AnimationEffect::PhaseNone: |
| 94 ASSERT(isNull(localTime)); | 94 ASSERT(isNull(localTime)); |
| 95 return nullValue(); | 95 return nullValue(); |
| 96 default: | 96 default: |
| 97 ASSERT_NOT_REACHED(); | 97 ASSERT_NOT_REACHED(); |
| 98 return nullValue(); | 98 return nullValue(); |
| 99 } | 99 } |
| 100 } | 100 } |
| 101 | 101 |
| 102 static inline double calculateScaledActiveTime(double activeDuration, double act
iveTime, double startOffset, const Timing& specified) | 102 static inline double calculateScaledActiveTime(double activeDuration, double act
iveTime, double startOffset, const Timing& specified) |
| 103 { | 103 { |
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| 189 if (!std::isfinite(iterationDuration)) | 189 if (!std::isfinite(iterationDuration)) |
| 190 return directedTime; | 190 return directedTime; |
| 191 double timeFraction = directedTime / iterationDuration; | 191 double timeFraction = directedTime / iterationDuration; |
| 192 ASSERT(timeFraction >= 0 && timeFraction <= 1); | 192 ASSERT(timeFraction >= 0 && timeFraction <= 1); |
| 193 return multiplyZeroAlwaysGivesZero(iterationDuration, specified.timingFuncti
on->evaluate(timeFraction, accuracyForDuration(iterationDuration))); | 193 return multiplyZeroAlwaysGivesZero(iterationDuration, specified.timingFuncti
on->evaluate(timeFraction, accuracyForDuration(iterationDuration))); |
| 194 } | 194 } |
| 195 | 195 |
| 196 } // namespace blink | 196 } // namespace blink |
| 197 | 197 |
| 198 #endif | 198 #endif |
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