Move painting code from SVGInlineTextBox to SVGInlineTextBoxPainter.

Source/core/rendering/svg/SVGInlineTextBox.cpp

 /**
  * Copyright (C) 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010. 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,
  * 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/rendering/svg/SVGInlineTextBox.h"
 
 #include "core/dom/DocumentMarkerController.h"
 #include "core/dom/RenderedDocumentMarker.h"
 #include "core/editing/Editor.h"
 #include "core/frame/LocalFrame.h"
-#include "core/paint/InlinePainter.h"
-#include "core/paint/InlineTextBoxPainter.h"
+#include "core/paint/SVGInlineTextBoxPainter.h"
 #include "core/rendering/HitTestResult.h"
 #include "core/rendering/InlineFlowBox.h"
 #include "core/rendering/PaintInfo.h"
 #include "core/rendering/PointerEventsHitRules.h"
 #include "core/rendering/RenderInline.h"
 #include "core/rendering/RenderTheme.h"
-#include "core/rendering/style/ShadowList.h"
 #include "core/rendering/svg/RenderSVGInlineText.h"
 #include "core/rendering/svg/RenderSVGResource.h"
 #include "core/rendering/svg/RenderSVGResourceSolidColor.h"
-#include "core/rendering/svg/SVGRenderSupport.h"
-#include "core/rendering/svg/SVGResourcesCache.h"
 #include "core/rendering/svg/SVGTextRunRenderingContext.h"
 #include "platform/FloatConversion.h"
 #include "platform/fonts/FontCache.h"
 #include "platform/graphics/GraphicsContextStateSaver.h"
 
 namespace blink {
 
 struct ExpectedSVGInlineTextBoxSize : public InlineTextBox {
     float float1;
     uint32_t bitfields : 1;
@@ skipping 116 matching lines @@
         FloatRect fragmentRect = selectionRectForTextFragment(fragment, fragmentStartPosition, fragmentEndPosition, style);
         fragment.buildFragmentTransform(fragmentTransform);
         fragmentRect = fragmentTransform.mapRect(fragmentRect);
 
         selectionRect.unite(fragmentRect);
     }
 
     return enclosingIntRect(selectionRect);
 }
 
-static inline bool textShouldBePainted(RenderSVGInlineText& textRenderer)
-{
-    // Font::pixelSize(), returns FontDescription::computedPixelSize(), which returns "int(x + 0.5)".
-    // If the absolute font size on screen is below x=0.5, don't render anything.
-    return textRenderer.scaledFont().fontDescription().computedPixelSize();
-}
-
-void SVGInlineTextBox::paintSelectionBackground(PaintInfo& paintInfo)
-{
-    ASSERT(paintInfo.shouldPaintWithinRoot(&renderer()));
-    ASSERT(paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection);
-    ASSERT(truncation() == cNoTruncation);
-
-    if (renderer().style()->visibility() != VISIBLE)
-        return;
-
-    RenderObject& parentRenderer = parent()->renderer();
-    ASSERT(!parentRenderer.document().printing());
-
-    // Determine whether or not we're selected.
-    bool paintSelectedTextOnly = paintInfo.phase == PaintPhaseSelection;
-    bool hasSelection = selectionState() != RenderObject::SelectionNone;
-    if (!hasSelection || paintSelectedTextOnly)
-        return;
-
-    Color backgroundColor = renderer().selectionBackgroundColor();
-    if (!backgroundColor.alpha())
-        return;
-
-    RenderSVGInlineText& textRenderer = toRenderSVGInlineText(this->renderer());
-    if (!textShouldBePainted(textRenderer))
-        return;
-
-    RenderStyle* style = parentRenderer.style();
-    ASSERT(style);
-
-    int startPosition, endPosition;
-    selectionStartEnd(startPosition, endPosition);
-
-    int fragmentStartPosition = 0;
-    int fragmentEndPosition = 0;
-    AffineTransform fragmentTransform;
-    unsigned textFragmentsSize = m_textFragments.size();
-    for (unsigned i = 0; i < textFragmentsSize; ++i) {
-        SVGTextFragment& fragment = m_textFragments.at(i);
-
-        fragmentStartPosition = startPosition;
-        fragmentEndPosition = endPosition;
-        if (!mapStartEndPositionsIntoFragmentCoordinates(fragment, fragmentStartPosition, fragmentEndPosition))
-            continue;
-
-        GraphicsContextStateSaver stateSaver(*paintInfo.context);
-        fragment.buildFragmentTransform(fragmentTransform);
-        if (!fragmentTransform.isIdentity())
-            paintInfo.context->concatCTM(fragmentTransform);
-
-        paintInfo.context->setFillColor(backgroundColor);
-        paintInfo.context->fillRect(selectionRectForTextFragment(fragment, fragmentStartPosition, fragmentEndPosition, style), backgroundColor);
-    }
-}
-
 void SVGInlineTextBox::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit, LayoutUnit)
 {
-    ASSERT(paintInfo.shouldPaintWithinRoot(&renderer()));
-    ASSERT(paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection);
-    ASSERT(truncation() == cNoTruncation);
 
-    if (renderer().style()->visibility() != VISIBLE)
-        return;
-
-    // Note: We're explicitely not supporting composition & custom underlines and custom highlighters - unlike InlineTextBox.
-    // If we ever need that for SVG, it's very easy to refactor and reuse the code.
-
-    RenderObject& parentRenderer = parent()->renderer();
-
-    bool paintSelectedTextOnly = paintInfo.phase == PaintPhaseSelection;
-    bool hasSelection = !parentRenderer.document().printing() && selectionState() != RenderObject::SelectionNone;
-    if (!hasSelection && paintSelectedTextOnly)
-        return;
-
-    RenderSVGInlineText& textRenderer = toRenderSVGInlineText(this->renderer());
-    if (!textShouldBePainted(textRenderer))
-        return;
-
-    RenderStyle* style = parentRenderer.style();
-    ASSERT(style);
-
-    InlineTextBoxPainter(*this).paintDocumentMarkers(paintInfo.context, paintOffset, style, textRenderer.scaledFont(), true);
-
-    const SVGRenderStyle& svgStyle = style->svgStyle();
-
-    bool hasFill = svgStyle.hasFill();
-    bool hasVisibleStroke = svgStyle.hasVisibleStroke();
-
-    RenderStyle* selectionStyle = style;
-    if (hasSelection) {
-        selectionStyle = parentRenderer.getCachedPseudoStyle(SELECTION);
-        if (selectionStyle) {
-            const SVGRenderStyle& svgSelectionStyle = selectionStyle->svgStyle();
-
-            if (!hasFill)
-                hasFill = svgSelectionStyle.hasFill();
-            if (!hasVisibleStroke)
-                hasVisibleStroke = svgSelectionStyle.hasVisibleStroke();
-        } else {
-            selectionStyle = style;
-        }
-    }
-
-    if (SVGRenderSupport::isRenderingClipPathAsMaskImage(textRenderer)) {
-        hasFill = true;
-        hasVisibleStroke = false;
-    }
-
-    AffineTransform fragmentTransform;
-    unsigned textFragmentsSize = m_textFragments.size();
-    for (unsigned i = 0; i < textFragmentsSize; ++i) {
-        SVGTextFragment& fragment = m_textFragments.at(i);
-
-        GraphicsContextStateSaver stateSaver(*paintInfo.context, false);
-        fragment.buildFragmentTransform(fragmentTransform);
-        if (!fragmentTransform.isIdentity()) {
-            stateSaver.save();
-            paintInfo.context->concatCTM(fragmentTransform);
-        }
-
-        // Spec: All text decorations except line-through should be drawn before the text is filled and stroked; thus, the text is rendered on top of these decorations.
-        unsigned decorations = style->textDecorationsInEffect();
-        if (decorations & TextDecorationUnderline)
-            paintDecoration(paintInfo.context, TextDecorationUnderline, fragment);
-        if (decorations & TextDecorationOverline)
-            paintDecoration(paintInfo.context, TextDecorationOverline, fragment);
-
-        for (int i = 0; i < 3; i++) {
-            switch (svgStyle.paintOrderType(i)) {
-            case PT_FILL:
-                // Fill text
-                if (hasFill) {
-                    paintText(paintInfo.context, style, selectionStyle, fragment,
-                        ApplyToFillMode | ApplyToTextMode, hasSelection, paintSelectedTextOnly);
-                }
-                break;
-            case PT_STROKE:
-                // Stroke text
-                if (hasVisibleStroke) {
-                    paintText(paintInfo.context, style, selectionStyle, fragment,
-                        ApplyToStrokeMode | ApplyToTextMode, hasSelection, paintSelectedTextOnly);
-                }
-                break;
-            case PT_MARKERS:
-                // Markers don't apply to text
-                break;
-            default:
-                ASSERT_NOT_REACHED();
-                break;
-            }
-        }
-
-        // Spec: Line-through should be drawn after the text is filled and stroked; thus, the line-through is rendered on top of the text.
-        if (decorations & TextDecorationLineThrough)
-            paintDecoration(paintInfo.context, TextDecorationLineThrough, fragment);
-    }
-
-    // finally, paint the outline if any
-    if (style->hasOutline() && parentRenderer.isRenderInline())
-        InlinePainter(toRenderInline(parentRenderer)).paintOutline(paintInfo, paintOffset);
-}
-
-class PaintingResourceScope {
-public:
-    PaintingResourceScope(RenderObject& renderer)
-        : m_renderer(renderer)
-        , m_paintingResource(0)
-    {
-    }
-    ~PaintingResourceScope() { ASSERT(!m_paintingResource); }
-
-    bool acquirePaintingResource(GraphicsContext*&, RenderStyle*, RenderSVGResourceModeFlags);
-    void releasePaintingResource(GraphicsContext*&);
-
-private:
-    RenderObject& m_renderer;
-    RenderSVGResource* m_paintingResource;
-};
-
-bool PaintingResourceScope::acquirePaintingResource(GraphicsContext*& context, RenderStyle* style, RenderSVGResourceModeFlags resourceModeFlags)
-{
-    ASSERT(style);
-    RenderSVGResourceMode resourceMode = static_cast<RenderSVGResourceMode>(resourceModeFlags & (ApplyToFillMode | ApplyToStrokeMode));
-    ASSERT(resourceMode == ApplyToFillMode || resourceMode == ApplyToStrokeMode);
-
-    bool hasFallback = false;
-    m_paintingResource = RenderSVGResource::requestPaintingResource(resourceMode, &m_renderer, style, hasFallback);
-    if (!m_paintingResource)
-        return false;
-
-    if (!m_paintingResource->applyResource(&m_renderer, style, context, resourceModeFlags)) {
-        if (hasFallback) {
-            m_paintingResource = RenderSVGResource::sharedSolidPaintingResource();
-            m_paintingResource->applyResource(&m_renderer, style, context, resourceModeFlags);
-        }
-    }
-    return true;
-}
-
-void PaintingResourceScope::releasePaintingResource(GraphicsContext*& context)
-{
-    ASSERT(m_paintingResource);
-
-    m_paintingResource->postApplyResource(context);
-    m_paintingResource = 0;
+    SVGInlineTextBoxPainter(*this).paint(paintInfo, paintOffset);
 }
 
 TextRun SVGInlineTextBox::constructTextRun(RenderStyle* style, const SVGTextFragment& fragment) const
 {
     ASSERT(style);
 
     RenderText* text = &renderer();
 
     // FIXME(crbug.com/264211): This should not be necessary but can occur if we
     //                          layout during layout. Remove this when 264211 is fixed.
@@ skipping 46 matching lines @@
         endPosition = length;
     else {
         ASSERT(endPosition >= offset);
         endPosition -= offset;
     }
 
     ASSERT(startPosition < endPosition);
     return true;
 }
 
-// Offset from the baseline for |decoration|. Positive offsets are above the baseline.
-static inline float baselineOffsetForDecoration(TextDecoration decoration, const FontMetrics& fontMetrics, float thickness)
-{
-    // FIXME: For SVG Fonts we need to use the attributes defined in the <font-face> if specified.
-    // Compatible with Batik/Presto.
-    if (decoration == TextDecorationUnderline)
-        return -thickness * 1.5f;
-    if (decoration == TextDecorationOverline)
-        return fontMetrics.floatAscent() - thickness;
-    if (decoration == TextDecorationLineThrough)
-        return fontMetrics.floatAscent() * 3 / 8.0f;
-
-    ASSERT_NOT_REACHED();
-    return 0.0f;
-}
-
-static inline float thicknessForDecoration(TextDecoration, const Font& font)
-{
-    // FIXME: For SVG Fonts we need to use the attributes defined in the <font-face> if specified.
-    // Compatible with Batik/Presto
-    return font.fontDescription().computedSize() / 20.0f;
-}
-
-static inline RenderObject* findRenderObjectDefininingTextDecoration(InlineFlowBox* parentBox)
-{
-    // Lookup first render object in parent hierarchy which has text-decoration set.
-    RenderObject* renderer = 0;
-    while (parentBox) {
-        renderer = &parentBox->renderer();
-
-        if (renderer->style() && renderer->style()->textDecoration() != TextDecorationNone)
-            break;
-
-        parentBox = parentBox->parent();
-    }
-
-    ASSERT(renderer);
-    return renderer;
-}
-
-void SVGInlineTextBox::paintDecoration(GraphicsContext* context, TextDecoration decoration, const SVGTextFragment& fragment)
-{
-    if (renderer().style()->textDecorationsInEffect() == TextDecorationNone)
-        return;
-
-    // Find out which render style defined the text-decoration, as its fill/stroke properties have to be used for drawing instead of ours.
-    RenderObject* decorationRenderer = findRenderObjectDefininingTextDecoration(parent());
-    RenderStyle* decorationStyle = decorationRenderer->style();
-    ASSERT(decorationStyle);
-
-    if (decorationStyle->visibility() == HIDDEN)
-        return;
-
-    const SVGRenderStyle& svgDecorationStyle = decorationStyle->svgStyle();
-
-    for (int i = 0; i < 3; i++) {
-        switch (svgDecorationStyle.paintOrderType(i)) {
-        case PT_FILL:
-            if (svgDecorationStyle.hasFill())
-                paintDecorationWithStyle(context, decoration, fragment, decorationRenderer, ApplyToFillMode);
-            break;
-        case PT_STROKE:
-            if (svgDecorationStyle.hasVisibleStroke())
-                paintDecorationWithStyle(context, decoration, fragment, decorationRenderer, ApplyToStrokeMode);
-            break;
-        case PT_MARKERS:
-            break;
-        default:
-            ASSERT_NOT_REACHED();
-        }
-    }
-}
-
-void SVGInlineTextBox::paintDecorationWithStyle(GraphicsContext* context, TextDecoration decoration,
-    const SVGTextFragment& fragment, RenderObject* decorationRenderer, RenderSVGResourceModeFlags resourceMode)
-{
-    RenderStyle* decorationStyle = decorationRenderer->style();
-    ASSERT(decorationStyle);
-
-    float scalingFactor = 1;
-    Font scaledFont;
-    RenderSVGInlineText::computeNewScaledFontForStyle(decorationRenderer, decorationStyle, scalingFactor, scaledFont);
-    ASSERT(scalingFactor);
-
-    float thickness = thicknessForDecoration(decoration, scaledFont);
-
-    if (fragment.width <= 0 && thickness <= 0)
-        return;
-
-    float decorationOffset = baselineOffsetForDecoration(decoration, scaledFont.fontMetrics(), thickness);
-    FloatPoint decorationOrigin(fragment.x, fragment.y - decorationOffset / scalingFactor);
-
-    Path path;
-    path.addRect(FloatRect(decorationOrigin, FloatSize(fragment.width, thickness / scalingFactor)));
-
-    PaintingResourceScope resourceScope(*decorationRenderer);
-    if (resourceScope.acquirePaintingResource(context, decorationStyle, resourceMode)) {
-        SVGRenderSupport::fillOrStrokePath(context, resourceMode, path);
-        resourceScope.releasePaintingResource(context);
-    }
-}
-
-void SVGInlineTextBox::paintTextWithShadows(GraphicsContext* context, RenderStyle* style,
-    TextRun& textRun, const SVGTextFragment& fragment, int startPosition, int endPosition,
-    RenderSVGResourceModeFlags resourceMode)
-{
-    RenderSVGInlineText& textRenderer = toRenderSVGInlineText(this->renderer());
-
-    float scalingFactor = textRenderer.scalingFactor();
-    ASSERT(scalingFactor);
-
-    const Font& scaledFont = textRenderer.scaledFont();
-    const ShadowList* shadowList = style->textShadow();
-
-    // Text shadows are disabled when printing. http://crbug.com/258321
-    bool hasShadow = shadowList && !context->printing();
-
-    FloatPoint textOrigin(fragment.x, fragment.y);
-    FloatSize textSize(fragment.width, fragment.height);
-
-    if (scalingFactor != 1) {
-        textOrigin.scale(scalingFactor, scalingFactor);
-        textSize.scale(scalingFactor);
-        context->save();
-        context->scale(1 / scalingFactor, 1 / scalingFactor);
-    }
-
-    if (hasShadow)
-        context->setDrawLooper(shadowList->createDrawLooper(DrawLooperBuilder::ShadowRespectsAlpha));
-
-    PaintingResourceScope resourceScope(parent()->renderer());
-    if (resourceScope.acquirePaintingResource(context, style, resourceMode)) {
-        if (scalingFactor != 1 && resourceMode & ApplyToStrokeMode)
-            context->setStrokeThickness(context->strokeThickness() * scalingFactor);
-
-        TextRunPaintInfo textRunPaintInfo(textRun);
-        textRunPaintInfo.from = startPosition;
-        textRunPaintInfo.to = endPosition;
-
-        float baseline = scaledFont.fontMetrics().floatAscent();
-        textRunPaintInfo.bounds = FloatRect(textOrigin.x(), textOrigin.y() - baseline,
-            textSize.width(), textSize.height());
-
-        scaledFont.drawText(context, textRunPaintInfo, textOrigin);
-        resourceScope.releasePaintingResource(context);
-    }
-
-    if (scalingFactor != 1)
-        context->restore();
-    else if (hasShadow)
-        context->clearShadow();
-}
-
-void SVGInlineTextBox::paintText(GraphicsContext* context, RenderStyle* style,
-    RenderStyle* selectionStyle, const SVGTextFragment& fragment,
-    RenderSVGResourceModeFlags resourceMode, bool hasSelection, bool paintSelectedTextOnly)
-{
-    ASSERT(style);
-    ASSERT(selectionStyle);
-
-    int startPosition = 0;
-    int endPosition = 0;
-    if (hasSelection) {
-        selectionStartEnd(startPosition, endPosition);
-        hasSelection = mapStartEndPositionsIntoFragmentCoordinates(fragment, startPosition, endPosition);
-    }
-
-    // Fast path if there is no selection, just draw the whole chunk part using the regular style
-    TextRun textRun = constructTextRun(style, fragment);
-    if (!hasSelection || startPosition >= endPosition) {
-        paintTextWithShadows(context, style, textRun, fragment, 0, fragment.length, resourceMode);
-        return;
-    }
-
-    // Eventually draw text using regular style until the start position of the selection
-    if (startPosition > 0 && !paintSelectedTextOnly)
-        paintTextWithShadows(context, style, textRun, fragment, 0, startPosition, resourceMode);
-
-    // Draw text using selection style from the start to the end position of the selection
-    if (style != selectionStyle) {
-        StyleDifference diff;
-        diff.setNeedsPaintInvalidationObject();
-        SVGResourcesCache::clientStyleChanged(&parent()->renderer(), diff, selectionStyle);
-    }
-
-    paintTextWithShadows(context, selectionStyle, textRun, fragment, startPosition, endPosition, resourceMode);
-
-    if (style != selectionStyle) {
-        StyleDifference diff;
-        diff.setNeedsPaintInvalidationObject();
-        SVGResourcesCache::clientStyleChanged(&parent()->renderer(), diff, style);
-    }
-
-    // Eventually draw text using regular style from the end position of the selection to the end of the current chunk part
-    if (endPosition < static_cast<int>(fragment.length) && !paintSelectedTextOnly)
-        paintTextWithShadows(context, style, textRun, fragment, endPosition, fragment.length, resourceMode);
-}
-
 void SVGInlineTextBox::paintDocumentMarker(GraphicsContext*, const FloatPoint&, DocumentMarker*, RenderStyle*, const Font&, bool)
 {
     // SVG does not have support for generic document markers (e.g., spellchecking, etc).
 }
 
-void SVGInlineTextBox::paintTextMatchMarker(GraphicsContext* context, const FloatPoint&, DocumentMarker* marker, RenderStyle* style, const Font& font)
+void SVGInlineTextBox::paintTextMatchMarker(GraphicsContext* context, const FloatPoint& point, DocumentMarker* marker, RenderStyle* style, const Font& font)
 {
-    // SVG is only interested in the TextMatch markers.
-    if (marker->type() != DocumentMarker::TextMatch)
-        return;
-
-    RenderSVGInlineText& textRenderer = toRenderSVGInlineText(this->renderer());
-
-    FloatRect markerRect;
-    AffineTransform fragmentTransform;
-    for (InlineTextBox* box = textRenderer.firstTextBox(); box; box = box->nextTextBox()) {
-        if (!box->isSVGInlineTextBox())
-            continue;
-
-        SVGInlineTextBox* textBox = toSVGInlineTextBox(box);
-
-        int markerStartPosition = std::max<int>(marker->startOffset() - textBox->start(), 0);
-        int markerEndPosition = std::min<int>(marker->endOffset() - textBox->start(), textBox->len());
-
-        if (markerStartPosition >= markerEndPosition)
-            continue;
-
-        const Vector<SVGTextFragment>& fragments = textBox->textFragments();
-        unsigned textFragmentsSize = fragments.size();
-        for (unsigned i = 0; i < textFragmentsSize; ++i) {
-            const SVGTextFragment& fragment = fragments.at(i);
-
-            int fragmentStartPosition = markerStartPosition;
-            int fragmentEndPosition = markerEndPosition;
-            if (!textBox->mapStartEndPositionsIntoFragmentCoordinates(fragment, fragmentStartPosition, fragmentEndPosition))
-                continue;
-
-            FloatRect fragmentRect = textBox->selectionRectForTextFragment(fragment, fragmentStartPosition, fragmentEndPosition, style);
-            fragment.buildFragmentTransform(fragmentTransform);
-
-            // Draw the marker highlight.
-            if (renderer().frame()->editor().markedTextMatchesAreHighlighted()) {
-                Color color = marker->activeMatch() ?
-                    RenderTheme::theme().platformActiveTextSearchHighlightColor() :
-                    RenderTheme::theme().platformInactiveTextSearchHighlightColor();
-                GraphicsContextStateSaver stateSaver(*context);
-                if (!fragmentTransform.isIdentity())
-                    context->concatCTM(fragmentTransform);
-                context->setFillColor(color);
-                context->fillRect(fragmentRect, color);
-            }
-
-            fragmentRect = fragmentTransform.mapRect(fragmentRect);
-            markerRect.unite(fragmentRect);
-        }
-    }
-
-    toRenderedDocumentMarker(marker)->setRenderedRect(textRenderer.localToAbsoluteQuad(markerRect).enclosingBoundingBox());
+    SVGInlineTextBoxPainter(*this).paintTextMatchMarker(context, point, marker, style, font);
 }
 
 FloatRect SVGInlineTextBox::calculateBoundaries() const
 {
     FloatRect textRect;
 
     RenderSVGInlineText& textRenderer = toRenderSVGInlineText(this->renderer());
 
     float scalingFactor = textRenderer.scalingFactor();
     ASSERT(scalingFactor);
@@ skipping 32 matching lines @@
                 renderer().updateHitTestResult(result, locationInContainer.point() - toLayoutSize(accumulatedOffset));
                 if (!result.addNodeToRectBasedTestResult(renderer().node(), request, locationInContainer, rect))
                     return true;
              }
         }
     }
     return false;
 }
 
 } // namespace blink