WebCore/html/HTMLStyleElement.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/HTMLStyleElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,135 @@
+/*
+ * 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.
+ *           (C) 2007 Rob Buis (buis@kde.org)
+ *
+ * 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 "HTMLStyleElement.h"
+
+#include "Attribute.h"
+#include "Document.h"
+#include "HTMLNames.h"
+#include "ScriptableDocumentParser.h"
+#include "ScriptEventListener.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+inline HTMLStyleElement::HTMLStyleElement(const QualifiedName& tagName, Document* document, bool createdByParser)
+    : HTMLElement(tagName, document)
+    , m_loading(false)
+    , m_createdByParser(createdByParser)
+    , m_startLineNumber(0)
+{
+    ASSERT(hasTagName(styleTag));
+    if (createdByParser && document && document->scriptableDocumentParser())
+        m_startLineNumber = document->scriptableDocumentParser()->lineNumber();
+}
+
+PassRefPtr<HTMLStyleElement> HTMLStyleElement::create(const QualifiedName& tagName, Document* document, bool createdByParser)
+{
+    return adoptRef(new HTMLStyleElement(tagName, document, createdByParser));
+}
+
+void HTMLStyleElement::parseMappedAttribute(Attribute* attr)
+{
+    if (attr->name() == titleAttr && m_sheet)
+        m_sheet->setTitle(attr->value());
+    else if (attr->name() == onbeforeprocessAttr)
+        setAttributeEventListener(eventNames().beforeprocessEvent, createAttributeEventListener(this, attr));
+    else
+        HTMLElement::parseMappedAttribute(attr);
+}
+
+void HTMLStyleElement::finishParsingChildren()
+{
+    StyleElement::process(this, m_startLineNumber);
+    StyleElement::sheet(this);
+    m_createdByParser = false;
+    HTMLElement::finishParsingChildren();
+}
+
+void HTMLStyleElement::insertedIntoDocument()
+{
+    HTMLElement::insertedIntoDocument();
+
+    document()->addStyleSheetCandidateNode(this, m_createdByParser);
+    if (!m_createdByParser)
+        StyleElement::insertedIntoDocument(document(), this);
+}
+
+void HTMLStyleElement::removedFromDocument()
+{
+    HTMLElement::removedFromDocument();
+    document()->removeStyleSheetCandidateNode(this);
+    StyleElement::removedFromDocument(document());
+}
+
+void HTMLStyleElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+{
+    if (!changedByParser)
+        StyleElement::process(this, 0);
+    HTMLElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
+}
+
+StyleSheet* HTMLStyleElement::sheet()
+{
+    return StyleElement::sheet(this);
+}
+
+bool HTMLStyleElement::isLoading() const
+{
+    if (m_loading)
+        return true;
+    if (!m_sheet)
+        return false;
+    return static_cast<CSSStyleSheet *>(m_sheet.get())->isLoading();
+}
+
+bool HTMLStyleElement::sheetLoaded()
+{
+    if (!isLoading()) {
+        document()->removePendingSheet();
+        return true;
+    }
+    return false;
+}
+
+const AtomicString& HTMLStyleElement::media() const
+{
+    return getAttribute(mediaAttr);
+}
+
+const AtomicString& HTMLStyleElement::type() const
+{
+    return getAttribute(typeAttr);
+}
+
+void HTMLStyleElement::addSubresourceAttributeURLs(ListHashSet<KURL>& urls) const
+{    
+    HTMLElement::addSubresourceAttributeURLs(urls);
+
+    if (StyleSheet* styleSheet = const_cast<HTMLStyleElement*>(this)->sheet())
+        styleSheet->addSubresourceStyleURLs(urls);
+}
+
+}