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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "config.h" | 5 #include "config.h" |
6 | 6 |
7 #include "cc/layer_impl.h" | 7 #include "cc/layer_impl.h" |
8 | 8 |
9 #include "base/debug/trace_event.h" | 9 #include "base/debug/trace_event.h" |
10 #include "base/stringprintf.h" | 10 #include "base/stringprintf.h" |
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191 return unscrolled; | 191 return unscrolled; |
192 | 192 |
193 m_scrollDelta = newDelta; | 193 m_scrollDelta = newDelta; |
194 if (m_scrollbarAnimationController) | 194 if (m_scrollbarAnimationController) |
195 m_scrollbarAnimationController->updateScrollOffset(this); | 195 m_scrollbarAnimationController->updateScrollOffset(this); |
196 noteLayerPropertyChangedForSubtree(); | 196 noteLayerPropertyChangedForSubtree(); |
197 | 197 |
198 return unscrolled; | 198 return unscrolled; |
199 } | 199 } |
200 | 200 |
201 InputHandlerClient::ScrollStatus LayerImpl::tryScroll(const gfx::Point& screenSp
acePoint, InputHandlerClient::ScrollInputType type) const | 201 InputHandlerClient::ScrollStatus LayerImpl::tryScroll(const gfx::PointF& screenS
pacePoint, InputHandlerClient::ScrollInputType type) const |
202 { | 202 { |
203 if (shouldScrollOnMainThread()) { | 203 if (shouldScrollOnMainThread()) { |
204 TRACE_EVENT0("cc", "LayerImpl::tryScroll: Failed shouldScrollOnMainThrea
d"); | 204 TRACE_EVENT0("cc", "LayerImpl::tryScroll: Failed shouldScrollOnMainThrea
d"); |
205 return InputHandlerClient::ScrollOnMainThread; | 205 return InputHandlerClient::ScrollOnMainThread; |
206 } | 206 } |
207 | 207 |
208 if (!screenSpaceTransform().isInvertible()) { | 208 if (!screenSpaceTransform().isInvertible()) { |
209 TRACE_EVENT0("cc", "LayerImpl::tryScroll: Ignored nonInvertibleTransform
"); | 209 TRACE_EVENT0("cc", "LayerImpl::tryScroll: Ignored nonInvertibleTransform
"); |
210 return InputHandlerClient::ScrollIgnored; | 210 return InputHandlerClient::ScrollIgnored; |
211 } | 211 } |
212 | 212 |
213 if (!nonFastScrollableRegion().IsEmpty()) { | 213 if (!nonFastScrollableRegion().IsEmpty()) { |
214 bool clipped = false; | 214 bool clipped = false; |
215 gfx::PointF hitTestPointInLocalSpace = MathUtil::projectPoint(screenSpac
eTransform().inverse(), gfx::PointF(screenSpacePoint), clipped); | 215 gfx::PointF hitTestPointInLocalSpace = MathUtil::projectPoint(screenSpac
eTransform().inverse(), screenSpacePoint, clipped); |
216 if (!clipped && nonFastScrollableRegion().Contains(gfx::ToFlooredPoint(h
itTestPointInLocalSpace))) { | 216 if (!clipped && nonFastScrollableRegion().Contains(gfx::ToFlooredPoint(h
itTestPointInLocalSpace))) { |
217 TRACE_EVENT0("cc", "LayerImpl::tryScroll: Failed nonFastScrollableRe
gion"); | 217 TRACE_EVENT0("cc", "LayerImpl::tryScroll: Failed nonFastScrollableRe
gion"); |
218 return InputHandlerClient::ScrollOnMainThread; | 218 return InputHandlerClient::ScrollOnMainThread; |
219 } | 219 } |
220 } | 220 } |
221 | 221 |
222 if (type == InputHandlerClient::Wheel && haveWheelEventHandlers()) { | 222 if (type == InputHandlerClient::Wheel && haveWheelEventHandlers()) { |
223 TRACE_EVENT0("cc", "LayerImpl::tryScroll: Failed wheelEventHandlers"); | 223 TRACE_EVENT0("cc", "LayerImpl::tryScroll: Failed wheelEventHandlers"); |
224 return InputHandlerClient::ScrollOnMainThread; | 224 return InputHandlerClient::ScrollOnMainThread; |
225 } | 225 } |
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699 | 699 |
700 void LayerImpl::setVerticalScrollbarLayer(ScrollbarLayerImpl* scrollbarLayer) | 700 void LayerImpl::setVerticalScrollbarLayer(ScrollbarLayerImpl* scrollbarLayer) |
701 { | 701 { |
702 if (!m_scrollbarAnimationController) | 702 if (!m_scrollbarAnimationController) |
703 m_scrollbarAnimationController = ScrollbarAnimationController::create(th
is); | 703 m_scrollbarAnimationController = ScrollbarAnimationController::create(th
is); |
704 m_scrollbarAnimationController->setVerticalScrollbarLayer(scrollbarLayer); | 704 m_scrollbarAnimationController->setVerticalScrollbarLayer(scrollbarLayer); |
705 m_scrollbarAnimationController->updateScrollOffset(this); | 705 m_scrollbarAnimationController->updateScrollOffset(this); |
706 } | 706 } |
707 | 707 |
708 } | 708 } |
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