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| 1 // Copyright (c) 2016 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/ProgrammaticScrollCoordinator.h" |
| 5 |
| 6 #include "platform/scroll/ProgrammaticScrollAnimator.h" |
| 7 #include "platform/scroll/ScrollableArea.h" |
| 8 |
| 9 namespace blink { |
| 10 |
| 11 ProgrammaticScrollCoordinator* ProgrammaticScrollCoordinator::create() { |
| 12 return new ProgrammaticScrollCoordinator(); |
| 13 } |
| 14 |
| 15 ProgrammaticScrollCoordinator::ProgrammaticScrollCoordinator() {} |
| 16 |
| 17 ProgrammaticScrollCoordinator::~ProgrammaticScrollCoordinator() {} |
| 18 |
| 19 void ProgrammaticScrollCoordinator::queueAnimation(ScrollableArea* scrollable, |
| 20 ScrollOffset offset) { |
| 21 ScrollerAndOffsetPair scrollerOffset(scrollable, offset); |
| 22 m_queue.push_back(scrollerOffset); |
| 23 } |
| 24 |
| 25 void ProgrammaticScrollCoordinator::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); |
| 31 } |
| 32 } |
| 33 |
| 34 void ProgrammaticScrollCoordinator::notifyAnimationFinished() { |
| 35 m_queue.pop_back(); |
| 36 if (!m_queue.empty()) { |
| 37 ScrollerAndOffsetPair scrollerOffset = m_queue.back(); |
| 38 ScrollableArea* scrollable = scrollerOffset.first; |
| 39 ScrollOffset offset = scrollerOffset.second; |
| 40 scrollable->programmaticScrollAnimator().animateToOffset(offset); |
| 41 } |
| 42 } |
| 43 |
| 44 void ProgrammaticScrollCoordinator::abortAnimations() { |
| 45 m_queue.clear(); |
| 46 } |
| 47 |
| 48 } // namespace blink |
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