[SPv2] Paint invalidation in PreWalkTreeWalk, plumbed on PaintInvalidationState

third_party/WebKit/Source/core/layout/PaintInvalidationState.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/layout/PaintInvalidationState.h"
 
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "core/layout/LayoutInline.h"
 #include "core/layout/LayoutPart.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/svg/LayoutSVGRoot.h"
 #include "core/layout/svg/SVGLayoutSupport.h"
 #include "core/paint/PaintLayer.h"
 
 namespace blink {
 
 static bool supportsCachedOffsets(const LayoutObject& object)
 {
     return !object.hasTransformRelatedProperty()
         && !object.hasReflection()
         && !object.hasFilterInducingProperty()
         && !object.isLayoutFlowThread()
         && !object.isLayoutMultiColumnSpannerPlaceholder()
         && !object.styleRef().isFlippedBlocksWritingMode()
         && !(object.isLayoutBlock() && object.isSVG());
 }
 
-PaintInvalidationState::PaintInvalidationState(const LayoutView& layoutView, Vector<LayoutObject*>& pendingDelayedPaintInvalidations)
+PaintInvalidationState::PaintInvalidationState(const LayoutView& layoutView, Vector<const LayoutObject*>& pendingDelayedPaintInvalidations)
     : m_currentObject(layoutView)
     , m_forcedSubtreeInvalidationFlags(0)
     , m_clipped(false)
     , m_clippedForAbsolutePosition(false)
     , m_cachedOffsetsEnabled(true)
     , m_cachedOffsetsForAbsolutePositionEnabled(true)
     , m_paintInvalidationContainer(&layoutView.containerForPaintInvalidation())
     , m_paintInvalidationContainerForStackedContents(m_paintInvalidationContainer)
     , m_containerForAbsolutePosition(layoutView)
     , m_pendingDelayedPaintInvalidations(pendingDelayedPaintInvalidations)
@@ skipping 23 matching lines @@
     , m_clipRect(parentState.m_clipRect)
     , m_clipRectForAbsolutePosition(parentState.m_clipRectForAbsolutePosition)
     , m_paintOffset(parentState.m_paintOffset)
     , m_paintOffsetForAbsolutePosition(parentState.m_paintOffsetForAbsolutePosition)
     , m_cachedOffsetsEnabled(parentState.m_cachedOffsetsEnabled)
     , m_cachedOffsetsForAbsolutePositionEnabled(parentState.m_cachedOffsetsForAbsolutePositionEnabled)
     , m_paintInvalidationContainer(parentState.m_paintInvalidationContainer)
     , m_paintInvalidationContainerForStackedContents(parentState.m_paintInvalidationContainerForStackedContents)
     , m_containerForAbsolutePosition(currentObject.canContainAbsolutePositionObjects() ? currentObject : parentState.m_containerForAbsolutePosition)
     , m_svgTransform(parentState.m_svgTransform)
-    , m_pendingDelayedPaintInvalidations(parentState.pendingDelayedPaintInvalidationTargets())
+    , m_pendingDelayedPaintInvalidations(parentState.m_pendingDelayedPaintInvalidations)
     , m_paintingLayer(currentObject.hasLayer() && toLayoutBoxModelObject(currentObject).hasSelfPaintingLayer() ? *toLayoutBoxModelObject(currentObject).layer() : parentState.m_paintingLayer)
 #if ENABLE(ASSERT)
     , m_didUpdateForChildren(false)
 #endif
 #ifdef CHECK_FAST_PATH_SLOW_PATH_EQUALITY
     , m_canCheckFastPathSlowPathEquality(parentState.m_canCheckFastPathSlowPathEquality)
 #endif
 {
     ASSERT(&m_paintingLayer == currentObject.paintingLayer());
 
@@ skipping 152 matching lines @@
 
 void PaintInvalidationState::updateForChildren(PaintInvalidationReason reason)
 {
 #if ENABLE(ASSERT)
     ASSERT(!m_didUpdateForChildren);
     m_didUpdateForChildren = true;
 #endif
 
     switch (reason) {
     case PaintInvalidationDelayedFull:
-        pushDelayedPaintInvalidationTarget(const_cast<LayoutObject&>(m_currentObject));
+        m_pendingDelayedPaintInvalidations.append(&m_currentObject);
         break;
     case PaintInvalidationSubtree:
         m_forcedSubtreeInvalidationFlags |= (FullInvalidation | FullInvalidationForStackedContents);
         break;
     case PaintInvalidationSVGResourceChange:
         setForceSubtreeInvalidationCheckingWithinContainer();
         break;
     default:
         break;
     }
@@ skipping 229 matching lines @@
     WTFLogAlways("Fast path paint invalidation rect differs from slow path: fast: %s vs slow: %s",
         fastPathRect.toString().ascii().data(), slowPathRect.toString().ascii().data());
     showLayoutTree(&m_currentObject);
 
     ASSERT_NOT_REACHED();
 }
 
 #endif // CHECK_FAST_PATH_SLOW_PATH_EQUALITY
 
 } // namespace blink