| /* |
| * 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_ANIMATIONS_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_DOCUMENT_ANIMATIONS_H_ |
| |
| #include "third_party/blink/renderer/core/animation/animation.h" |
| #include "third_party/blink/renderer/core/dom/document_lifecycle.h" |
| #include "third_party/blink/renderer/platform/heap/member.h" |
| |
| namespace blink { |
| |
| class AnimationTimeline; |
| class CSSScrollTimeline; |
| class Document; |
| class PaintArtifactCompositor; |
| |
| class CORE_EXPORT DocumentAnimations final |
| : public GarbageCollected<DocumentAnimations> { |
| public: |
| DocumentAnimations(Document*); |
| ~DocumentAnimations() = default; |
| |
| uint64_t TransitionGeneration() const { |
| return current_transition_generation_; |
| } |
| void IncrementTrasitionGeneration() { current_transition_generation_++; } |
| void AddTimeline(AnimationTimeline&); |
| void UpdateAnimationTimingForAnimationFrame(); |
| bool NeedsAnimationTimingUpdate(); |
| void UpdateAnimationTimingIfNeeded(); |
| void GetAnimationsTargetingTreeScope(HeapVector<Member<Animation>>&, |
| const TreeScope&); |
| |
| // Updates existing animations as part of generating a new (document |
| // lifecycle) frame. Note that this considers and updates state for |
| // both composited and non-composited animations. |
| void UpdateAnimations( |
| DocumentLifecycle::LifecycleState required_lifecycle_state, |
| const PaintArtifactCompositor* paint_artifact_compositor); |
| |
| size_t GetAnimationsCount(); |
| |
| void MarkAnimationsCompositorPending(); |
| |
| HeapVector<Member<Animation>> getAnimations(const TreeScope&); |
| |
| // All newly created AnimationTimelines are considered "unvalidated". This |
| // means that the internal state of the timeline is considered tentative, |
| // and that computing the actual state may require an additional style/layout |
| // pass. |
| // |
| // The lifecycle update will call this function after style and layout has |
| // completed. The function will then go though all unvalidated timelines, |
| // and compare the current state snapshot to a fresh state snapshot. If they |
| // are equal, then the tentative state turned out to be correct, and no |
| // further action is needed. Otherwise, all effects targets associated with |
| // the timeline are marked for recalc, which causes the style/layout phase |
| // to run again. |
| // |
| // https://github.com/w3c/csswg-drafts/issues/5261 |
| void ValidateTimelines(); |
| |
| void CacheCSSScrollTimeline(CSSScrollTimeline&); |
| CSSScrollTimeline* FindCachedCSSScrollTimeline(const AtomicString&); |
| |
| const HeapHashSet<WeakMember<AnimationTimeline>>& GetTimelinesForTesting() |
| const { |
| return timelines_; |
| } |
| const HeapHashSet<WeakMember<AnimationTimeline>>& |
| GetUnvalidatedTimelinesForTesting() const { |
| return unvalidated_timelines_; |
| } |
| uint64_t current_transition_generation_; |
| void Trace(Visitor*) const; |
| |
| protected: |
| using ReplaceableAnimationsMap = |
| HeapHashMap<Member<Element>, Member<HeapVector<Member<Animation>>>>; |
| void RemoveReplacedAnimations(ReplaceableAnimationsMap*); |
| |
| private: |
| Member<Document> document_; |
| HeapHashSet<WeakMember<AnimationTimeline>> timelines_; |
| HeapHashSet<WeakMember<AnimationTimeline>> unvalidated_timelines_; |
| |
| // We cache CSSScrollTimelines by name, such that multiple animations using |
| // the same timeline can use the same CSSScrollTimeline instance. |
| // |
| // Note that timelines present in |cached_css_timelines_| are also present |
| // in |timelines_|. |
| HeapHashMap<AtomicString, WeakMember<AnimationTimeline>> |
| cached_css_timelines_; |
| }; |
| |
| } // namespace blink |
| |
| #endif |