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| 1 /* | |
| 2 * Copyright (C) 2013 Apple Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | |
| 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | |
| 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | |
| 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | |
| 23 * THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #include "config.h" | |
| 27 #include "ScrollingStateScrollingNode.h" | |
| 28 | |
| 29 #include "GraphicsLayer.h" | |
| 30 #include "ScrollingStateTree.h" | |
| 31 | |
| 32 #if ENABLE(THREADED_SCROLLING) | |
| 33 | |
| 34 namespace WebCore { | |
| 35 | |
| 36 PlatformLayer* ScrollingStateScrollingNode::counterScrollingPlatformLayer() cons
t | |
| 37 { | |
| 38 return m_counterScrollingPlatformLayer.get(); | |
| 39 } | |
| 40 | |
| 41 void ScrollingStateScrollingNode::setCounterScrollingLayer(GraphicsLayer* graphi
csLayer) | |
| 42 { | |
| 43 PlatformLayer* platformScrollLayer = graphicsLayer ? graphicsLayer->platform
Layer() : nil; | |
| 44 if (m_counterScrollingPlatformLayer == platformScrollLayer) | |
| 45 return; | |
| 46 | |
| 47 m_counterScrollingPlatformLayer = platformScrollLayer; | |
| 48 m_counterScrollingLayer = graphicsLayer; | |
| 49 | |
| 50 setPropertyChanged(CounterScrollingLayer); | |
| 51 if (m_scrollingStateTree) | |
| 52 m_scrollingStateTree->setHasChangedProperties(true); | |
| 53 } | |
| 54 | |
| 55 } // namespace WebCore | |
| 56 | |
| 57 #endif // ENABLE(THREADED_SCROLLING) | |
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Chromium Code Reviews
Issue 13665002:
Fold ScrollingCoordinatorChromium into ScrollingCoordinator and devirtualize (Closed)
Base URL: svn://svn.chromium.org/blink/trunk