Divorce PaintInvalidationState from LayoutState

Source/core/rendering/RenderView.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 242 matching lines @@
     m_pageLogicalHeightChanged = false;
 
     layoutContent();
 
 #ifndef NDEBUG
     checkLayoutState();
 #endif
     clearNeedsLayout();
 }
 
-void RenderView::mapLocalToContainer(const RenderLayerModelObject* repaintContainer, TransformState& transformState, MapCoordinatesFlags mode, bool* wasFixed) const
+void RenderView::mapLocalToContainer(const RenderLayerModelObject* repaintContainer, TransformState& transformState, MapCoordinatesFlags mode, bool* wasFixed, const PaintInvalidationState* paintInvalidationState) const
 {
     ASSERT_UNUSED(wasFixed, !wasFixed || *wasFixed == static_cast<bool>(mode & IsFixed));
 
     if (!repaintContainer && mode & UseTransforms && shouldUseTransformFromContainer(0)) {
         TransformationMatrix t;
         getTransformFromContainer(0, LayoutSize(), t);
         transformState.applyTransform(t);
     }
 
     if (mode & IsFixed && m_frameView)
         transformState.move(m_frameView->scrollOffsetForFixedPosition());
 
     if (repaintContainer == this)
         return;
 
     if (mode & TraverseDocumentBoundaries) {
         if (RenderObject* parentDocRenderer = frame()->ownerRenderer()) {
             transformState.move(-frame()->view()->scrollOffset());
             if (parentDocRenderer->isBox())
                 transformState.move(toLayoutSize(toRenderBox(parentDocRenderer)->contentBoxRect().location()));
-            parentDocRenderer->mapLocalToContainer(repaintContainer, transformState, mode, wasFixed);
+            parentDocRenderer->mapLocalToContainer(repaintContainer, transformState, mode, wasFixed, paintInvalidationState);
             return;
         }
     }
 
     // If a container was specified, and was not 0 or the RenderView,
     // then we should have found it by now.
     ASSERT_ARG(repaintContainer, !repaintContainer);
 }
 
 const RenderObject* RenderView::pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap& geometryMap) const
@@ skipping 142 matching lines @@
             CompositeOperator previousOperator = paintInfo.context->compositeOperation();
             paintInfo.context->setCompositeOperation(CompositeCopy);
             paintInfo.context->fillRect(paintInfo.rect, baseColor);
             paintInfo.context->setCompositeOperation(previousOperator);
         } else {
             paintInfo.context->clearRect(paintInfo.rect);
         }
     }
 }
 
-void RenderView::invalidateTreeAfterLayout(const RenderLayerModelObject& paintInvalidationContainer)
+void RenderView::invalidateTreeAfterLayout(const PaintInvalidationState& paintInvalidationState)
 {
     ASSERT(!needsLayout());
 
     // We specifically need to repaint the viewRect since other renderers
     // short-circuit on full-repaint.
     if (doingFullRepaint() && !viewRect().isEmpty())
         repaintViewRectangle(viewRect());
 
-    LayoutState rootLayoutState(0, false, *this);
-    RenderBlock::invalidateTreeAfterLayout(paintInvalidationContainer);
+    RenderBlock::invalidateTreeAfterLayout(paintInvalidationState);
 }
 
 void RenderView::repaintViewRectangle(const LayoutRect& repaintRect) const
 {
     ASSERT(!repaintRect.isEmpty());
 
     if (document().printing() || !m_frameView)
         return;
 
     // We always just invalidate the root view, since we could be an iframe that is clipped out
@@ skipping 21 matching lines @@
 {
     paintInvalidationForWholeRenderer();
 
     // The only way we know how to hit these ASSERTS below this point is via the Chromium OS login screen.
     DisableCompositingQueryAsserts disabler;
 
     if (compositor()->inCompositingMode())
         compositor()->repaintCompositedLayers();
 }
 
-void RenderView::mapRectToPaintInvalidationBacking(const RenderLayerModelObject* paintInvalidationContainer, LayoutRect& rect, bool fixed) const
+void RenderView::mapRectToPaintInvalidationBacking(const RenderLayerModelObject* paintInvalidationContainer, LayoutRect& rect, bool fixed, const PaintInvalidationState* paintInvalidationState) const
 {
     // If a container was specified, and was not 0 or the RenderView,
     // then we should have found it by now.
     ASSERT_ARG(paintInvalidationContainer, !paintInvalidationContainer || paintInvalidationContainer == this);
 
     if (document().printing())
         return;
 
     if (style()->isFlippedBlocksWritingMode()) {
         // We have to flip by hand since the view's logical height has not been determined.  We
@@ skipping 484 matching lines @@
     return viewWidth(IncludeScrollbars) / scale;
 }
 
 double RenderView::layoutViewportHeight() const
 {
     float scale = m_frameView ? m_frameView->frame().pageZoomFactor() : 1;
     return viewHeight(IncludeScrollbars) / scale;
 }
 
 } // namespace WebCore