| /* |
| * 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 THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_DOCUMENT_TIMELINE_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_DOCUMENT_TIMELINE_H_ |
| |
| #include <memory> |
| #include "base/memory/scoped_refptr.h" |
| #include "third_party/blink/public/platform/task_type.h" |
| #include "third_party/blink/renderer/core/animation/animation_timeline.h" |
| #include "third_party/blink/renderer/core/dom/document.h" |
| #include "third_party/blink/renderer/platform/timer.h" |
| |
| namespace blink { |
| |
| class Animation; |
| class AnimationEffect; |
| class DocumentTimelineOptions; |
| |
| // DocumentTimeline is constructed and owned by Document, and tied to its |
| // lifecycle. |
| class CORE_EXPORT DocumentTimeline : public AnimationTimeline { |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| class PlatformTiming : public GarbageCollected<PlatformTiming> { |
| public: |
| // Calls DocumentTimeline's wake() method after duration seconds. |
| virtual void WakeAfter(base::TimeDelta duration) = 0; |
| virtual ~PlatformTiming() = default; |
| virtual void Trace(Visitor* visitor) {} |
| }; |
| |
| // Web Animations API IDL constructor |
| static DocumentTimeline* Create(ExecutionContext*, |
| const DocumentTimelineOptions*); |
| |
| DocumentTimeline(Document*, |
| base::TimeDelta origin_time = base::TimeDelta(), |
| PlatformTiming* = nullptr); |
| ~DocumentTimeline() override = default; |
| |
| bool IsDocumentTimeline() const final { return true; } |
| |
| void ScheduleNextService() override; |
| |
| Animation* Play(AnimationEffect*); |
| |
| bool IsActive() const override; |
| base::Optional<base::TimeDelta> InitialStartTimeForAnimations() override; |
| bool HasPendingUpdates() const { |
| return !animations_needing_update_.IsEmpty(); |
| } |
| |
| base::TimeTicks ZeroTime(); |
| void PauseAnimationsForTesting(double); |
| |
| void SetAllCompositorPending(bool source_changed = false); |
| void InvalidateKeyframeEffects(const TreeScope&); |
| |
| void SetPlaybackRate(double); |
| double PlaybackRate() const; |
| |
| void ResetForTesting(); |
| void SetTimingForTesting(PlatformTiming* timing); |
| |
| CompositorAnimationTimeline* EnsureCompositorTimeline() override; |
| |
| void Trace(Visitor*) override; |
| |
| protected: |
| PhaseAndTime CurrentPhaseAndTime() override; |
| |
| private: |
| // Origin time for the timeline relative to the time origin of the document. |
| // Provided when the timeline is constructed. See |
| // https://drafts.csswg.org/web-animations/#dom-documenttimelineoptions-origintime. |
| base::TimeDelta origin_time_; |
| // The origin time. This is computed by adding |origin_time_| to the time |
| // origin of the document. |
| base::TimeTicks zero_time_; |
| bool zero_time_initialized_; |
| |
| double playback_rate_; |
| |
| friend class SMILTimeContainer; |
| static const double kMinimumDelay; |
| |
| Member<PlatformTiming> timing_; |
| |
| class DocumentTimelineTiming final : public PlatformTiming { |
| public: |
| DocumentTimelineTiming(DocumentTimeline* timeline) |
| : timeline_(timeline), |
| timer_(timeline->GetDocument()->GetTaskRunner( |
| TaskType::kInternalDefault), |
| this, |
| &DocumentTimelineTiming::TimerFired) { |
| DCHECK(timeline_); |
| } |
| |
| void WakeAfter(base::TimeDelta duration) override; |
| |
| void TimerFired(TimerBase*) { timeline_->ScheduleServiceOnNextFrame(); } |
| |
| void Trace(Visitor*) override; |
| |
| private: |
| Member<DocumentTimeline> timeline_; |
| TaskRunnerTimer<DocumentTimelineTiming> timer_; |
| }; |
| |
| friend class AnimationDocumentTimelineTest; |
| }; |
| |
| template <> |
| struct DowncastTraits<DocumentTimeline> { |
| static bool AllowFrom(const AnimationTimeline& timeline) { |
| return timeline.IsDocumentTimeline(); |
| } |
| }; |
| |
| } // namespace blink |
| |
| #endif |