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| 1 /* | 1 /* |
| 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserv
ed. | 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserv
ed. |
| 4 * | 4 * |
| 5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
| 6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
| 7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
| 8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
| 9 * | 9 * |
| 10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
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| 86 TRACE_EVENT0("blink", "LayoutView::hitTest"); | 86 TRACE_EVENT0("blink", "LayoutView::hitTest"); |
| 87 m_hitTestCount++; | 87 m_hitTestCount++; |
| 88 | 88 |
| 89 ASSERT(!location.isRectBasedTest() || request.listBased()); | 89 ASSERT(!location.isRectBasedTest() || request.listBased()); |
| 90 | 90 |
| 91 // We have to recursively update layout/style here because otherwise, when t
he hit test recurses | 91 // We have to recursively update layout/style here because otherwise, when t
he hit test recurses |
| 92 // into a child document, it could trigger a layout on the parent document,
which can destroy DeprecatedPaintLayer | 92 // into a child document, it could trigger a layout on the parent document,
which can destroy DeprecatedPaintLayer |
| 93 // that are higher up in the call stack, leading to crashes. | 93 // that are higher up in the call stack, leading to crashes. |
| 94 // Note that Document::updateLayout calls its parent's updateLayout. | 94 // Note that Document::updateLayout calls its parent's updateLayout. |
| 95 // FIXME: It should be the caller's responsibility to ensure an up-to-date l
ayout. | 95 // FIXME: It should be the caller's responsibility to ensure an up-to-date l
ayout. |
| 96 frameView()->updateLayoutAndStyleIfNeededRecursive(); | 96 frameView()->updateLayoutAndStyleForPainting(); |
| 97 commitPendingSelection(); | 97 commitPendingSelection(); |
| 98 | 98 |
| 99 bool hitLayer = layer()->hitTest(request, location, result); | 99 bool hitLayer = layer()->hitTest(request, location, result); |
| 100 | 100 |
| 101 // FrameView scrollbars are not the same as Layer scrollbars tested by Layer
::hitTestOverflowControls, | 101 // FrameView scrollbars are not the same as Layer scrollbars tested by Layer
::hitTestOverflowControls, |
| 102 // so we need to test FrameView scrollbars separately here. Note that it's i
mportant we do this after | 102 // so we need to test FrameView scrollbars separately here. Note that it's i
mportant we do this after |
| 103 // the hit test above, because that may overwrite the entire HitTestResult w
hen it finds a hit. | 103 // the hit test above, because that may overwrite the entire HitTestResult w
hen it finds a hit. |
| 104 IntPoint framePoint = frameView()->contentsToFrame(location.roundedPoint()); | 104 IntPoint framePoint = frameView()->contentsToFrame(location.roundedPoint()); |
| 105 if (Scrollbar* frameScrollbar = frameView()->scrollbarAtFramePoint(framePoin
t)) | 105 if (Scrollbar* frameScrollbar = frameView()->scrollbarAtFramePoint(framePoin
t)) |
| 106 result.setScrollbar(frameScrollbar); | 106 result.setScrollbar(frameScrollbar); |
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| 943 return viewHeight(IncludeScrollbars) / scale; | 943 return viewHeight(IncludeScrollbars) / scale; |
| 944 } | 944 } |
| 945 | 945 |
| 946 void LayoutView::willBeDestroyed() | 946 void LayoutView::willBeDestroyed() |
| 947 { | 947 { |
| 948 LayoutBlockFlow::willBeDestroyed(); | 948 LayoutBlockFlow::willBeDestroyed(); |
| 949 m_compositor.clear(); | 949 m_compositor.clear(); |
| 950 } | 950 } |
| 951 | 951 |
| 952 } // namespace blink | 952 } // namespace blink |
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