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| 1 /* | 1 /* |
| 2 * Copyright (C) 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 2011 Apple Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
| 11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
| 12 * | 12 * |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | 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, | 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | 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 | 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | 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 | 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| 23 * THE POSSIBILITY OF SUCH DAMAGE. | 23 * THE POSSIBILITY OF SUCH DAMAGE. |
| 24 */ | 24 */ |
| 25 | 25 |
| 26 #include "config.h" | 26 #include "config.h" |
| 27 | 27 |
| 28 #include "core/page/scrolling/ScrollingCoordinator.h" | 28 #include "core/page/scrolling/ScrollingCoordinator.h" |
| 29 | 29 |
| 30 #include "RuntimeEnabledFeatures.h" | |
| 31 #include "core/dom/Document.h" | 30 #include "core/dom/Document.h" |
| 32 #include "core/dom/FullscreenElementStack.h" | 31 #include "core/dom/FullscreenElementStack.h" |
| 33 #include "core/dom/Node.h" | 32 #include "core/dom/Node.h" |
| 34 #include "core/frame/EventHandlerRegistry.h" | 33 #include "core/frame/EventHandlerRegistry.h" |
| 35 #include "core/frame/FrameView.h" | 34 #include "core/frame/FrameView.h" |
| 36 #include "core/frame/LocalFrame.h" | 35 #include "core/frame/LocalFrame.h" |
| 37 #include "core/frame/Settings.h" | 36 #include "core/frame/Settings.h" |
| 38 #include "core/html/HTMLElement.h" | 37 #include "core/html/HTMLElement.h" |
| 39 #include "core/page/Page.h" | 38 #include "core/page/Page.h" |
| 40 #include "core/plugins/PluginView.h" | 39 #include "core/plugins/PluginView.h" |
| 41 #include "core/rendering/RenderGeometryMap.h" | 40 #include "core/rendering/RenderGeometryMap.h" |
| 42 #include "core/rendering/RenderView.h" | 41 #include "core/rendering/RenderView.h" |
| 43 #include "core/rendering/compositing/CompositedLayerMapping.h" | 42 #include "core/rendering/compositing/CompositedLayerMapping.h" |
| 44 #include "core/rendering/compositing/RenderLayerCompositor.h" | 43 #include "core/rendering/compositing/RenderLayerCompositor.h" |
| 44 #include "platform/RuntimeEnabledFeatures.h" |
| 45 #include "platform/TraceEvent.h" | 45 #include "platform/TraceEvent.h" |
| 46 #include "platform/exported/WebScrollbarImpl.h" | 46 #include "platform/exported/WebScrollbarImpl.h" |
| 47 #include "platform/exported/WebScrollbarThemeGeometryNative.h" | 47 #include "platform/exported/WebScrollbarThemeGeometryNative.h" |
| 48 #include "platform/geometry/Region.h" | 48 #include "platform/geometry/Region.h" |
| 49 #include "platform/geometry/TransformState.h" | 49 #include "platform/geometry/TransformState.h" |
| 50 #include "platform/graphics/GraphicsLayer.h" | 50 #include "platform/graphics/GraphicsLayer.h" |
| 51 #if OS(MACOSX) | 51 #if OS(MACOSX) |
| 52 #include "platform/mac/ScrollAnimatorMac.h" | 52 #include "platform/mac/ScrollAnimatorMac.h" |
| 53 #endif | 53 #endif |
| 54 #include "platform/scroll/ScrollAnimator.h" | 54 #include "platform/scroll/ScrollAnimator.h" |
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| 999 bool frameIsScrollable = frameView && frameView->isScrollable(); | 999 bool frameIsScrollable = frameView && frameView->isScrollable(); |
| 1000 if (frameIsScrollable != m_wasFrameScrollable) | 1000 if (frameIsScrollable != m_wasFrameScrollable) |
| 1001 return true; | 1001 return true; |
| 1002 | 1002 |
| 1003 if (WebLayer* scrollLayer = frameView ? toWebLayer(frameView->layerForScroll
ing()) : 0) | 1003 if (WebLayer* scrollLayer = frameView ? toWebLayer(frameView->layerForScroll
ing()) : 0) |
| 1004 return blink::WebSize(frameView->contentsSize()) != scrollLayer->bounds(
); | 1004 return blink::WebSize(frameView->contentsSize()) != scrollLayer->bounds(
); |
| 1005 return false; | 1005 return false; |
| 1006 } | 1006 } |
| 1007 | 1007 |
| 1008 } // namespace WebCore | 1008 } // namespace WebCore |
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