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

Source/core/layout/svg/LayoutSVGText.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010-2012. All rights reserved.
  * Copyright (C) 2012 Google Inc.
  *
  * 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
-
 #include "core/layout/svg/LayoutSVGText.h"
 
 #include "core/editing/PositionWithAffinity.h"
 #include "core/layout/HitTestRequest.h"
 #include "core/layout/HitTestResult.h"
 #include "core/layout/LayoutAnalyzer.h"
 #include "core/layout/LayoutState.h"
+#include "core/layout/LayoutView.h"
 #include "core/layout/PointerEventsHitRules.h"
 #include "core/layout/api/LineLayoutItem.h"
 #include "core/layout/svg/LayoutSVGInline.h"
 #include "core/layout/svg/LayoutSVGInlineText.h"
 #include "core/layout/svg/LayoutSVGRoot.h"
 #include "core/layout/svg/SVGLayoutSupport.h"
 #include "core/layout/svg/SVGResourcesCache.h"
 #include "core/layout/svg/line/SVGRootInlineBox.h"
 #include "core/paint/SVGTextPainter.h"
 #include "core/style/ShadowList.h"
@@ skipping 464 matching lines @@
 {
     SVGResourcesCache::clientWillBeRemovedFromTree(child);
 
     Vector<SVGTextLayoutAttributes*, 2> affectedAttributes;
     FontCachePurgePreventer fontCachePurgePreventer;
     subtreeChildWillBeRemoved(child, affectedAttributes);
     LayoutSVGBlock::removeChild(child);
     subtreeChildWasRemoved(affectedAttributes);
 }
 
+void LayoutSVGText::invalidateTreeIfNeeded(PaintInvalidationState& paintInvalidationState)
+{
+    ASSERT(!needsLayout());
+
+    if (!shouldCheckForPaintInvalidation(paintInvalidationState))
+        return;
+
+    PaintInvalidationReason reason = invalidatePaintIfNeeded(paintInvalidationState, paintInvalidationState.paintInvalidationContainer());
+    clearPaintInvalidationState(paintInvalidationState);
+
+    if (reason == PaintInvalidationDelayedFull)
+        paintInvalidationState.pushDelayedPaintInvalidationTarget(*this);
+
+    ForceHorriblySlowRectMapping slowRectMapping(&paintInvalidationState);
+    PaintInvalidationState childTreeWalkState(paintInvalidationState, *this, paintInvalidationState.paintInvalidationContainer());
+    if (reason == PaintInvalidationSVGResourceChange)
+        childTreeWalkState.setForceSubtreeInvalidationWithinContainer();
+    invalidatePaintOfSubtreesIfNeeded(childTreeWalkState);
 }
+
+}