| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef Timing_h |
| #define Timing_h |
| |
| #include "core/style/DataEquivalency.h" |
| #include "platform/animation/CompositorAnimation.h" |
| #include "platform/animation/TimingFunction.h" |
| #include "wtf/Allocator.h" |
| #include "wtf/MathExtras.h" |
| #include "wtf/RefPtr.h" |
| |
| namespace blink { |
| |
| struct Timing { |
| USING_FAST_MALLOC(Timing); |
| |
| public: |
| using FillMode = CompositorAnimation::FillMode; |
| using PlaybackDirection = CompositorAnimation::Direction; |
| |
| static String fillModeString(FillMode); |
| static String playbackDirectionString(PlaybackDirection); |
| |
| static const Timing& defaults() { |
| DEFINE_STATIC_LOCAL(Timing, timing, ()); |
| return timing; |
| } |
| |
| Timing() |
| : startDelay(0), |
| endDelay(0), |
| fillMode(FillMode::AUTO), |
| iterationStart(0), |
| iterationCount(1), |
| iterationDuration(std::numeric_limits<double>::quiet_NaN()), |
| playbackRate(1), |
| direction(PlaybackDirection::NORMAL), |
| timingFunction(LinearTimingFunction::shared()) {} |
| |
| void assertValid() const { |
| DCHECK(std::isfinite(startDelay)); |
| DCHECK(std::isfinite(endDelay)); |
| DCHECK(std::isfinite(iterationStart)); |
| DCHECK_GE(iterationStart, 0); |
| DCHECK_GE(iterationCount, 0); |
| DCHECK(std::isnan(iterationDuration) || iterationDuration >= 0); |
| DCHECK(std::isfinite(playbackRate)); |
| DCHECK(timingFunction); |
| } |
| |
| bool operator==(const Timing& other) const { |
| return startDelay == other.startDelay && endDelay == other.endDelay && |
| fillMode == other.fillMode && |
| iterationStart == other.iterationStart && |
| iterationCount == other.iterationCount && |
| ((std::isnan(iterationDuration) && |
| std::isnan(other.iterationDuration)) || |
| iterationDuration == other.iterationDuration) && |
| playbackRate == other.playbackRate && direction == other.direction && |
| dataEquivalent(timingFunction.get(), other.timingFunction.get()); |
| } |
| |
| bool operator!=(const Timing& other) const { return !(*this == other); } |
| |
| double startDelay; |
| double endDelay; |
| FillMode fillMode; |
| double iterationStart; |
| double iterationCount; |
| double iterationDuration; |
| |
| // TODO(crbug.com/630915) Remove playbackRate |
| double playbackRate; |
| PlaybackDirection direction; |
| RefPtr<TimingFunction> timingFunction; |
| }; |
| |
| } // namespace blink |
| |
| #endif |