Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 101 insertions, 0 deletions

diff --git a/Source/WebCore/html/HTMLTitleElement.cpp b/Source/WebCore/html/HTMLTitleElement.cpp
new file mode 100644
index 0000000..776c37c
--- /dev/null
+++ b/Source/WebCore/html/HTMLTitleElement.cpp
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2001 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2003, 2010 Apple 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
+ * 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 "HTMLTitleElement.h"
+
+#include "Document.h"
+#include "HTMLNames.h"
+#include "Text.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+inline HTMLTitleElement::HTMLTitleElement(const QualifiedName& tagName, Document* document)
+    : HTMLElement(tagName, document)
+    , m_title("")
+{
+    ASSERT(hasTagName(titleTag));
+}
+
+PassRefPtr<HTMLTitleElement> HTMLTitleElement::create(const QualifiedName& tagName, Document* document)
+{
+    return adoptRef(new HTMLTitleElement(tagName, document));
+}
+
+void HTMLTitleElement::insertedIntoDocument()
+{
+    HTMLElement::insertedIntoDocument();
+    document()->setTitle(m_title, this);
+}
+
+void HTMLTitleElement::removedFromDocument()
+{
+    HTMLElement::removedFromDocument();
+    document()->removeTitle(this);
+}
+
+void HTMLTitleElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+{
+    m_title = "";
+    for (Node* c = firstChild(); c != 0; c = c->nextSibling())
+        if (c->nodeType() == TEXT_NODE || c->nodeType() == CDATA_SECTION_NODE)
+            m_title += c->nodeValue();
+    if (inDocument())
+        document()->setTitle(m_title, this);
+    HTMLElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
+}
+
+String HTMLTitleElement::text() const
+{
+    String val = "";
+    
+    for (Node *n = firstChild(); n; n = n->nextSibling()) {
+        if (n->isTextNode())
+            val += static_cast<Text*>(n)->data();
+    }
+    
+    return val;
+}
+
+void HTMLTitleElement::setText(const String &value)
+{
+    ExceptionCode ec = 0;
+    int numChildren = childNodeCount();
+    
+    if (numChildren == 1 && firstChild()->isTextNode())
+        static_cast<Text*>(firstChild())->setData(value, ec);
+    else {  
+        // We make a copy here because entity of "value" argument can be Document::m_title,
+        // which goes empty during removeChildren() invocation below,
+        // which causes HTMLTitleElement::childrenChanged(), which ends up Document::setTitle().
+        String valueCopy(value);
+
+        if (numChildren > 0)
+            removeChildren();
+
+        appendChild(document()->createTextNode(valueCopy.impl()), ec);
+    }
+}
+
+}