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1 // Copyright (c) 2017 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 #include "platform/scroll/SmoothScrollSequencer.h" | |
5 | |
6 #include "platform/scroll/ProgrammaticScrollAnimator.h" | |
7 #include "platform/scroll/ScrollableArea.h" | |
8 | |
9 namespace blink { | |
10 | |
11 SmoothScrollSequencer* SmoothScrollSequencer::create() { | |
12 return new SmoothScrollSequencer(); | |
13 } | |
14 | |
15 SmoothScrollSequencer::SmoothScrollSequencer() {} | |
16 | |
17 SmoothScrollSequencer::~SmoothScrollSequencer() {} | |
18 | |
19 void SmoothScrollSequencer::queueAnimation(ScrollableArea* scrollable, | |
20 ScrollOffset offset) { | |
21 ScrollerAndOffsetPair scrollerOffset(scrollable, offset); | |
22 m_queue.push_back(scrollerOffset); | |
23 } | |
24 | |
25 void SmoothScrollSequencer::runQueuedAnimations() { | |
26 if (!m_queue.empty()) { | |
27 ScrollerAndOffsetPair scrollerOffset = m_queue.back(); | |
28 ScrollableArea* scrollable = scrollerOffset.first; | |
29 ScrollOffset offset = scrollerOffset.second; | |
30 scrollable->programmaticScrollAnimator().animateToOffset(offset); | |
bokan
2017/04/07 15:56:52
Unless I'm missing something, I think it'd be bett
sunyunjia
2017/05/12 18:40:25
Done.
| |
31 } | |
32 } | |
33 | |
34 void SmoothScrollSequencer::notifyAnimationFinished() { | |
35 if (!m_queue.empty()) { | |
36 m_queue.pop_back(); | |
37 runQueuedAnimations(); | |
38 } | |
39 } | |
40 | |
41 void SmoothScrollSequencer::abortAnimations() { | |
42 m_queue.clear(); | |
43 } | |
44 | |
45 } // namespace blink | |
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