Add CustomElementState for Custom Elements v1

third_party/WebKit/Source/core/dom/Node.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 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 2285 matching lines @@
     DCHECK(isUserActionElement());
     return document().userActionElements().isHovered(this);
 }
 
 bool Node::isUserActionElementFocused() const
 {
     DCHECK(isUserActionElement());
     return document().userActionElements().isFocused(this);
 }
 
+std::ostream& operator<<(std::ostream& os, CustomElementState state)
+{
+    switch (state) {
+    case CustomElementState::Uncustomized: return os << "Uncustomized";
+    case CustomElementState::Undefined: return os << "Undefined";
+    case CustomElementState::Custom: return os << "Custom";
+    default: NOTREACHED();
+    }
+    return os;
+}
+
+CustomElementState Node::getCustomElementState() const
+{
+    return !isCustomElement()
+        ? CustomElementState::Uncustomized
+        : (getFlag(CustomElementCustomFlag) ? CustomElementState::Custom : CustomElementState::Undefined);
+}
+
+void Node::setCustomElementState(CustomElementState newState)
+{
+    CustomElementState oldState = getCustomElementState();
+
+    switch (newState) {
+    case CustomElementState::Uncustomized:
+        NOTREACHED(); // Everything starts in this state
+        return;
+
+    case CustomElementState::Undefined:
+        DCHECK_EQ(CustomElementState::Uncustomized, oldState);
+        break;
+
+    case CustomElementState::Custom:
+        DCHECK_EQ(CustomElementState::Undefined, oldState);
+        break;
+    }
+
+    DCHECK(isHTMLElement());
+    DCHECK_NE(V0Upgraded, getV0CustomElementState());
+
+    setFlag(CustomElementFlag);
+    if (newState == CustomElementState::Custom)
+        setFlag(CustomElementCustomFlag);
+    DCHECK(newState == getCustomElementState());
+
+    // TODO(kojii): Should fire pseudoStateChanged() when :defined selector is
+    // ready.
+    // toElement(this)->pseudoStateChanged(CSSSelector::PseudoDefined);
+}
+
 void Node::setV0CustomElementState(V0CustomElementState newState)
 {
     V0CustomElementState oldState = getV0CustomElementState();
 
     switch (newState) {
     case V0NotCustomElement:
         ASSERT_NOT_REACHED(); // Everything starts in this state
         return;
 
     case V0WaitingForUpgrade:
         DCHECK_EQ(V0NotCustomElement, oldState);
         break;
 
     case V0Upgraded:
         DCHECK_EQ(V0WaitingForUpgrade, oldState);
         break;
     }
 
     DCHECK(isHTMLElement() || isSVGElement());
+    DCHECK(CustomElementState::Custom != getCustomElementState());
     setFlag(V0CustomElementFlag);
     setFlag(newState == V0Upgraded, V0CustomElementUpgradedFlag);
 
     if (oldState == V0NotCustomElement || newState == V0Upgraded)
         toElement(this)->pseudoStateChanged(CSSSelector::PseudoUnresolved);
 }
 
 void Node::updateAssignmentForInsertedInto(ContainerNode* insertionPoint)
 {
     if (isShadowHost(insertionPoint)) {
@@ skipping 89 matching lines @@
 
 void showNodePath(const blink::Node* node)
 {
     if (node)
         node->showNodePathForThis();
     else
         fprintf(stderr, "Cannot showNodePath for (nil)\n");
 }
 
 #endif