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32 #include "core/rendering/LayoutRectRecorder.h"
34 #include "core/rendering/RenderObject.h"
38 bool LayoutRectRecorder::shouldRecordLayoutRects()
41 TRACE_EVENT_CATEGORY_GROUP_ENABLED(TRACE_DISABLED_BY_DEFAULT("blink.debug.layout"), &isTracing);
42 return RuntimeEnabledFeatures::repaintAfterLayoutEnabled() || isTracing;
45 LayoutRectRecorder::LayoutRectRecorder(RenderObject& object, bool record)
49 if (!shouldRecordLayoutRects())
54 if (!m_object.layoutDidGetCalled()) {
55 RenderLayerModelObject* containerForRepaint = m_object.containerForRepaint();
56 m_object.setOldRepaintRect(m_object.clippedOverflowRectForRepaint(containerForRepaint));
59 // If should do repaint was set previously make sure we don't accidentally unset it.
60 if (!m_object.shouldDoFullRepaintAfterLayout())
61 m_object.setShouldDoFullRepaintAfterLayout(m_object.selfNeedsLayout());
62 if (m_object.needsPositionedMovementLayoutOnly())
63 m_object.setOnlyNeededPositionedMovementLayout(true);
65 m_object.setLayoutDidGetCalled(true);
68 LayoutRectRecorder::~LayoutRectRecorder()
70 if (!shouldRecordLayoutRects())
75 // Note, we don't store the repaint container because it can change during layout.
76 RenderLayerModelObject* containerForRepaint = m_object.containerForRepaint();
77 m_object.setNewRepaintRect(m_object.clippedOverflowRectForRepaint(containerForRepaint));
80 } // namespace WebCore