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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 "ScrollingCoordinator.h" | 28 #include "ScrollingCoordinator.h" |
29 | 29 |
| 30 #include "Document.h" |
30 #include "Frame.h" | 31 #include "Frame.h" |
31 #include "FrameView.h" | 32 #include "FrameView.h" |
32 #include "GraphicsLayer.h" | 33 #include "GraphicsLayer.h" |
33 #include "IntRect.h" | 34 #include "IntRect.h" |
34 #include "Page.h" | 35 #include "Page.h" |
35 #include "PlatformWheelEvent.h" | 36 #include "PlatformWheelEvent.h" |
36 #include "PluginViewBase.h" | 37 #include "PluginViewBase.h" |
37 #include "Region.h" | 38 #include "Region.h" |
38 #include "RenderView.h" | 39 #include "RenderView.h" |
39 #include "ScrollAnimator.h" | 40 #include "ScrollAnimator.h" |
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170 } | 171 } |
171 } | 172 } |
172 | 173 |
173 FrameTree* tree = frame->tree(); | 174 FrameTree* tree = frame->tree(); |
174 for (Frame* subFrame = tree->firstChild(); subFrame; subFrame = subFrame->tr
ee()->nextSibling()) | 175 for (Frame* subFrame = tree->firstChild(); subFrame; subFrame = subFrame->tr
ee()->nextSibling()) |
175 nonFastScrollableRegion.unite(computeNonFastScrollableRegion(subFrame, o
ffset)); | 176 nonFastScrollableRegion.unite(computeNonFastScrollableRegion(subFrame, o
ffset)); |
176 | 177 |
177 return nonFastScrollableRegion; | 178 return nonFastScrollableRegion; |
178 } | 179 } |
179 | 180 |
| 181 #if ENABLE(TOUCH_EVENT_TRACKING) |
| 182 static void accumulateRendererTouchEventTargetRects(Vector<IntRect>& rects, cons
t RenderObject* renderer) |
| 183 { |
| 184 // FIXME: This method is O(N^2) as it walks the tree to the root for every r
enderer. RenderGeometryMap would fix this. |
| 185 rects.append(enclosingIntRect(renderer->clippedOverflowRectForRepaint(0))); |
| 186 if (renderer->isRenderBlock()) { |
| 187 const RenderBlock* block = toRenderBlock(renderer); |
| 188 for (RenderObject* child = block->firstChild(); child; child = child->ne
xtSibling()) |
| 189 accumulateRendererTouchEventTargetRects(rects, child); |
| 190 } |
| 191 } |
| 192 |
| 193 static void accumulateDocumentEventTargetRects(Vector<IntRect>& rects, const Doc
ument* document) |
| 194 { |
| 195 ASSERT(document); |
| 196 if (!document->touchEventTargets()) |
| 197 return; |
| 198 |
| 199 const TouchEventTargetSet* targets = document->touchEventTargets(); |
| 200 for (TouchEventTargetSet::const_iterator iter = targets->begin(); iter != ta
rgets->end(); ++iter) { |
| 201 const Node* touchTarget = iter->key; |
| 202 if (!touchTarget->inDocument()) |
| 203 continue; |
| 204 |
| 205 if (touchTarget == document) { |
| 206 if (RenderView* view = document->renderView()) |
| 207 rects.append(enclosingIntRect(view->clippedOverflowRectForRepain
t(0))); |
| 208 return; |
| 209 } |
| 210 |
| 211 if (touchTarget->isDocumentNode() && touchTarget != document) { |
| 212 accumulateDocumentEventTargetRects(rects, static_cast<const Document
*>(touchTarget)); |
| 213 continue; |
| 214 } |
| 215 |
| 216 if (RenderObject* renderer = touchTarget->renderer()) |
| 217 accumulateRendererTouchEventTargetRects(rects, renderer); |
| 218 } |
| 219 } |
| 220 |
| 221 void ScrollingCoordinator::computeAbsoluteTouchEventTargetRects(const Document*
document, Vector<IntRect>& rects) |
| 222 { |
| 223 ASSERT(document); |
| 224 if (!document->view()) |
| 225 return; |
| 226 |
| 227 // FIXME: These rects won't be properly updated if the renderers are in a su
b-tree that scrolls. |
| 228 accumulateDocumentEventTargetRects(rects, document); |
| 229 } |
| 230 #endif |
| 231 |
180 unsigned ScrollingCoordinator::computeCurrentWheelEventHandlerCount() | 232 unsigned ScrollingCoordinator::computeCurrentWheelEventHandlerCount() |
181 { | 233 { |
182 unsigned wheelEventHandlerCount = 0; | 234 unsigned wheelEventHandlerCount = 0; |
183 | 235 |
184 for (Frame* frame = m_page->mainFrame(); frame; frame = frame->tree()->trave
rseNext()) { | 236 for (Frame* frame = m_page->mainFrame(); frame; frame = frame->tree()->trave
rseNext()) { |
185 if (frame->document()) | 237 if (frame->document()) |
186 wheelEventHandlerCount += frame->document()->wheelEventHandlerCount(
); | 238 wheelEventHandlerCount += frame->document()->wheelEventHandlerCount(
); |
187 } | 239 } |
188 | 240 |
189 return wheelEventHandlerCount; | 241 return wheelEventHandlerCount; |
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414 stringBuilder.resize(stringBuilder.length() - 2); | 466 stringBuilder.resize(stringBuilder.length() - 2); |
415 return stringBuilder.toString(); | 467 return stringBuilder.toString(); |
416 } | 468 } |
417 | 469 |
418 String ScrollingCoordinator::mainThreadScrollingReasonsAsText() const | 470 String ScrollingCoordinator::mainThreadScrollingReasonsAsText() const |
419 { | 471 { |
420 return mainThreadScrollingReasonsAsText(mainThreadScrollingReasons()); | 472 return mainThreadScrollingReasonsAsText(mainThreadScrollingReasons()); |
421 } | 473 } |
422 | 474 |
423 } // namespace WebCore | 475 } // namespace WebCore |
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