| /* |
| * Copyright (C) 2008 Apple 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: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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_SVG_ANIMATION_SMIL_ANIMATION_SANDWICH_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_SVG_ANIMATION_SMIL_ANIMATION_SANDWICH_H_ |
| |
| #include "third_party/blink/renderer/core/svg/animation/smil_time.h" |
| #include "third_party/blink/renderer/core/svg/animation/svg_smil_element.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/wtf/vector.h" |
| |
| namespace blink { |
| |
| struct PriorityCompare { |
| PriorityCompare(double elapsed) : elapsed_(elapsed) {} |
| bool operator()(const Member<SVGSMILElement>& a, |
| const Member<SVGSMILElement>& b) { |
| // FIXME: This should also consider possible timing relations between the |
| // elements. |
| SMILTime a_begin = a->BeginTimeForPrioritization(elapsed_); |
| SMILTime b_begin = b->BeginTimeForPrioritization(elapsed_); |
| if (a_begin == b_begin) |
| return a->DocumentOrderIndex() < b->DocumentOrderIndex(); |
| return a_begin < b_begin; |
| } |
| double elapsed_; |
| }; |
| |
| class SMILAnimationSandwich : public GarbageCollected<SMILAnimationSandwich> { |
| public: |
| using ScheduledVector = HeapVector<Member<SVGSMILElement>>; |
| explicit SMILAnimationSandwich(); |
| |
| void Schedule(SVGSMILElement* animation); |
| void Unschedule(SVGSMILElement* animation); |
| void Reset(); |
| |
| void UpdateTiming(double elapsed); |
| void UpdateSyncBases(double elapsed); |
| SVGSMILElement* ApplyAnimationValues(); |
| |
| SMILTime NextInterestingTime(double presentation_time) const; |
| SMILTime NextProgressTime(double presentation_time) const; |
| |
| bool IsEmpty() { return sandwich_.IsEmpty(); } |
| |
| void Trace(blink::Visitor*); |
| |
| private: |
| // The list stored here is always sorted. |
| ScheduledVector sandwich_; |
| ScheduledVector active_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_SVG_ANIMATION_SMIL_ANIMATION_SANDWICH_H_ |