Add LayoutRoot

sky/engine/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 235 matching lines @@
     , m_loadEventDelayCount(0)
     , m_loadEventDelayTimer(this, &Document::loadEventDelayTimerFired)
     , m_didSetReferrerPolicy(false)
     , m_referrerPolicy(ReferrerPolicyDefault)
     , m_elementRegistry(initializer.elementRegistry())
     , m_elementDataCacheClearTimer(this, &Document::elementDataCacheClearTimerFired)
     , m_timeline(AnimationTimeline::create(this))
     , m_templateDocumentHost(nullptr)
     , m_hasViewportUnits(false)
     , m_styleRecalcElementCounter(0)
+    , m_frameView(nullptr)
 {
     setClient(this);
 
     if (!m_elementRegistry)
         m_elementRegistry = CustomElementRegistry::Create();
 
     m_fetcher = ResourceFetcher::create(this);
 
     // We depend on the url getting immediately set in subframes, but we
     // also depend on the url NOT getting immediately set in opened windows.
@@ skipping 59 matching lines @@
 #ifndef NDEBUG
     liveDocumentSet().remove(this);
 #endif
 #endif
 
     setClient(0);
 
     InspectorCounters::decrementCounter(InspectorCounters::DocumentCounter);
 }
 
-PassRefPtr<Document> Document::create(Document& document)
-{
-    DocumentInit init = DocumentInit::fromContext(document.contextDocument())
-        .withElementRegistry(document.elementRegistry());
-    return adoptRef(new Document(init));
-}
-
 #if !ENABLE(OILPAN)
 void Document::dispose()
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!m_deletionHasBegun);
 
     // We must make sure not to be retaining any of our children through
     // these extra pointers or we will create a reference cycle.
     m_focusedElement = nullptr;
     m_hoverNode = nullptr;
     m_activeHoverElement = nullptr;
@@ skipping 56 matching lines @@
 PassRefPtr<Element> Document::createElement(const AtomicString& name, ExceptionState& exceptionState)
 {
     if (!isValidName(name)) {
         exceptionState.ThrowDOMException(InvalidCharacterError, "The tag name provided ('" + name + "') is not a valid name.");
         return nullptr;
     }
 
     return HTMLElementFactory::createElement(name, *this, false);
 }
 
+PassRefPtr<Text> Document::createText(const String& text)
+{
+    return Text::create(*this, text);
+}
+
 void Document::registerElement(const AtomicString& name, PassRefPtr<DartValue> type, ExceptionState& es)
 {
     m_elementRegistry->RegisterElement(name, type);
 }
 
 void Document::setImportsController(HTMLImportsController* controller)
 {
     ASSERT(!m_importsController || !controller);
     m_importsController = controller;
 }
@@ skipping 394 matching lines @@
 {
     return DOCUMENT_NODE;
 }
 
 void Document::setStateForNewFormElements(const Vector<String>& stateVector)
 {
 }
 
 FrameView* Document::view() const
 {
+    if (m_frameView)
+        return m_frameView;
     return m_frame ? m_frame->view() : 0;
 }
 
 Page* Document::page() const
 {
     return m_frame ? m_frame->page() : 0;
 }
 
 FrameHost* Document::frameHost() const
 {
@@ skipping 55 matching lines @@
 
     scheduleVisualUpdate();
 
     // TODO(esprehn): We should either rename this state, or change the other
     // users of scheduleVisualUpdate() so they don't expect different states.
     m_lifecycle.ensureStateAtMost(DocumentLifecycle::VisualUpdatePending);
 }
 
 void Document::scheduleVisualUpdate()
 {
-    page()->animator().scheduleVisualUpdate();
+    if (page())
+        page()->animator().scheduleVisualUpdate();
 }
 
 void Document::updateDistributionIfNeeded()
 {
     ScriptForbiddenScope forbidScript;
 
     if (!childNeedsDistributionRecalc())
         return;
     TRACE_EVENT0("blink", "Document::updateDistributionIfNeeded");
     recalcDistribution();
@@ skipping 1307 matching lines @@
 using namespace blink;
 void showLiveDocumentInstances()
 {
     WeakDocumentSet& set = liveDocumentSet();
     fprintf(stderr, "There are %u documents currently alive:\n", set.size());
     for (WeakDocumentSet::const_iterator it = set.begin(); it != set.end(); ++it) {
         fprintf(stderr, "- Document %p URL: %s\n", *it, (*it)->url().string().utf8().data());
     }
 }
 #endif