Propagate resource-triggered repaints to text node children of <text>

Source/core/layout/PaintInvalidationState.h

 // 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.
 
 #ifndef PaintInvalidationState_h
 #define PaintInvalidationState_h
 
 #include "platform/geometry/LayoutRect.h"
 #include "platform/transforms/AffineTransform.h"
 #include "wtf/Allocator.h"
@@ skipping 18 matching lines @@
     PaintInvalidationState(const LayoutView& layoutView, PaintInvalidationState& ownerPaintInvalidationState)
         : PaintInvalidationState(layoutView, ownerPaintInvalidationState.m_pendingDelayedPaintInvalidations, &ownerPaintInvalidationState) { }
 
     const LayoutRect& clipRect() const { return m_clipRect; }
     const LayoutSize& paintOffset() const { return m_paintOffset; }
     const AffineTransform& svgTransform() const { ASSERT(m_svgTransform); return *m_svgTransform; }
 
     bool cachedOffsetsEnabled() const { return m_cachedOffsetsEnabled; }
     bool isClipped() const { return m_clipped; }
 
-    bool ancestorHadPaintInvalidationForLocationChange() const { return m_ancestorHadPaintInvalidationForLocationChange; }
-    void setAncestorHadPaintInvalidationForLocationChange() { m_ancestorHadPaintInvalidationForLocationChange = true; }
+    bool forcedPaintInvalidation() const { return m_forcedPaintInvalidation; }

[pdr., 2015/09/15 02:33:39]

Bikeshed: wdyt about changing this to reflect that it's for the subtree only?

Maybe something like forcedSubtreeInvalidation or
forcedSubtreeInvalidationWithinContainer?

[fs, 2015/09/15 08:44:35]

Renamed to the latter.

+    void setForcePaintInvalidation() { m_forcedPaintInvalidation = true; }
 
     const LayoutBoxModelObject& paintInvalidationContainer() const { return m_paintInvalidationContainer; }
 
     bool canMapToContainer(const LayoutBoxModelObject* container) const
     {
         return m_cachedOffsetsEnabled && container == &m_paintInvalidationContainer;
     }
 
     // Records |obj| as needing paint invalidation on the next frame. See the definition of PaintInvalidationDelayedFull for more details.
     void pushDelayedPaintInvalidationTarget(LayoutObject& obj) { m_pendingDelayedPaintInvalidations.append(&obj); }
     Vector<LayoutObject*>& pendingDelayedPaintInvalidationTargets() { return m_pendingDelayedPaintInvalidations; }
 
 private:
     PaintInvalidationState(const LayoutView&, Vector<LayoutObject*>& pendingDelayedPaintInvalidations, PaintInvalidationState* ownerPaintInvalidationState);
 
     void applyClipIfNeeded(const LayoutObject&);
     void addClipRectRelativeToPaintOffset(const LayoutSize& clipSize);
 
     friend class ForceHorriblySlowRectMapping;
 
     bool m_clipped;
     mutable bool m_cachedOffsetsEnabled;
-    bool m_ancestorHadPaintInvalidationForLocationChange;
+    bool m_forcedPaintInvalidation;
 
     LayoutRect m_clipRect;
 
     // x/y offset from paint invalidation container. Includes relative positioning and scroll offsets.
     LayoutSize m_paintOffset;
 
     const LayoutBoxModelObject& m_paintInvalidationContainer;
 
     // Transform from the initial viewport coordinate system of an outermost
     // SVG root to the userspace _before_ the relevant element. Combining this
     // with |m_paintOffset| yields the "final" offset.
     OwnPtr<AffineTransform> m_svgTransform;
 
     Vector<LayoutObject*>& m_pendingDelayedPaintInvalidations;
 };
 
 } // namespace blink
 
 #endif // PaintInvalidationState_h