List marker pseudo elements.

Source/core/dom/RenderTreeBuilder.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2011 Google 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
@@ skipping 13 matching lines @@
  */
 
 #include "config.h"
 #include "core/dom/RenderTreeBuilder.h"
 
 #include "core/HTMLNames.h"
 #include "core/SVGNames.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/dom/FirstLetterPseudoElement.h"
 #include "core/dom/Fullscreen.h"
+#include "core/dom/MarkerPseudoElement.h"
 #include "core/dom/Node.h"
 #include "core/dom/PseudoElement.h"
 #include "core/dom/Text.h"
 #include "core/rendering/RenderFullScreen.h"
 #include "core/rendering/RenderObject.h"
 #include "core/rendering/RenderText.h"
 #include "core/rendering/RenderView.h"
 #include "core/svg/SVGElement.h"
 #include "platform/RuntimeEnabledFeatures.h"
 
 namespace blink {
 
 RenderTreeBuilderForElement::RenderTreeBuilderForElement(Element& element, RenderStyle* style)
     : RenderTreeBuilder(element, nullptr)
     , m_style(style)
 {
     if (element.isFirstLetterPseudoElement()) {
         if (RenderObject* nextRenderer = FirstLetterPseudoElement::firstLetterTextRenderer(element))
             m_renderingParent = nextRenderer->parent();
     } else if (ContainerNode* containerNode = NodeRenderingTraversal::parent(element)) {
         m_renderingParent = containerNode->renderer();
     }
 }
 
-RenderObject* RenderTreeBuilderForElement::nextRenderer() const
+RenderObject* RenderTreeBuilderForElement::nextRenderer(RenderObject* parentRenderer) const
 {
     ASSERT(m_renderingParent);
 
     if (m_node->isInTopLayer())
         return NodeRenderingTraversal::nextInTopLayer(*m_node);
 
     if (m_node->isFirstLetterPseudoElement())
         return FirstLetterPseudoElement::firstLetterTextRenderer(*m_node);
 
+    if (m_node->isMarkerPseudoElement()) {
+        ASSERT(parentRenderer);
+        return MarkerPseudoElement::firstNonMarkerChild(parentRenderer);
+    }
+
     return RenderTreeBuilder::nextRenderer();
 }
 
 RenderObject* RenderTreeBuilderForElement::parentRenderer() const
 {
     RenderObject* parentRenderer = RenderTreeBuilder::parentRenderer();
 
+    if (m_node->isMarkerPseudoElement()) {
+        ASSERT(m_renderingParent->isRenderBlockFlow());
+        if (RenderObject* markerRenderer = MarkerPseudoElement::getParentOfFirstLineBox(toRenderBlockFlow(m_renderingParent), nullptr))
+            return markerRenderer;
+    }
+
     if (parentRenderer) {
         // FIXME: Guarding this by parentRenderer isn't quite right as the spec for
         // top layer only talks about display: none ancestors so putting a <dialog> inside an
         // <optgroup> seems like it should still work even though this check will prevent it.
         if (m_node->isInTopLayer())
             return m_node->document().renderView();
     }
 
     return parentRenderer;
 }
@@ skipping 11 matching lines @@
         if (!toSVGElement(m_node)->isValid())
             return false;
     }
 
     RenderObject* parentRenderer = this->parentRenderer();
     if (!parentRenderer)
         return false;
     if (!parentRenderer->canHaveChildren())
         return false;
 
+    if (m_node->isMarkerPseudoElement() && m_renderingParent->style()->display() == LIST_ITEM)
+        return true;
+
     return m_node->rendererIsNeeded(style());
 }
 
 RenderStyle& RenderTreeBuilderForElement::style() const
 {
     if (!m_style)
         m_style = m_node->styleForRenderer();
     return *m_style;
 }
 
 void RenderTreeBuilderForElement::createRenderer()
 {
     RenderStyle& style = this->style();
 
     RenderObject* newRenderer = m_node->createRenderer(&style);
     if (!newRenderer)
         return;
 
     RenderObject* parentRenderer = this->parentRenderer();
 
     if (!parentRenderer->isChildAllowed(newRenderer, &style)) {
         newRenderer->destroy();
         return;
     }
 
     // Make sure the RenderObject already knows it is going to be added to a RenderFlowThread before we set the style
     // for the first time. Otherwise code using inRenderFlowThread() in the styleWillChange and styleDidChange will fail.
     newRenderer->setFlowThreadState(parentRenderer->flowThreadState());
 
-    RenderObject* nextRenderer = this->nextRenderer();
+    RenderObject* nextRenderer = this->nextRenderer(parentRenderer);
     m_node->setRenderer(newRenderer);
     newRenderer->setStyle(&style); // setStyle() can depend on renderer() already being set.
 
     if (Fullscreen::isActiveFullScreenElement(*m_node)) {
         newRenderer = RenderFullScreen::wrapRenderer(newRenderer, parentRenderer, &m_node->document());
         if (!newRenderer)
             return;
     }
 
     // Note: Adding newRenderer instead of renderer(). renderer() may be a child of newRenderer.
@@ skipping 18 matching lines @@
     newRenderer->setFlowThreadState(parentRenderer->flowThreadState());
 
     RenderObject* nextRenderer = this->nextRenderer();
     m_node->setRenderer(newRenderer);
     // Parent takes care of the animations, no need to call setAnimatableStyle.
     newRenderer->setStyle(style);
     parentRenderer->addChild(newRenderer, nextRenderer);
 }
 
 }