WebCore/css/StyleSheetList.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/css/StyleSheetList.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,75 @@
+/**
+ * (C) 1999-2003 Lars Knoll (knoll@kde.org)
+ * Copyright (C) 2004, 2006, 2007 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 "StyleSheetList.h"
+
+#include "CSSStyleSheet.h"
+#include "Document.h"
+#include "HTMLNames.h"
+#include "HTMLStyleElement.h"
+#include "PlatformString.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+StyleSheetList::StyleSheetList(Document* doc)
+    : m_doc(doc)
+{
+}
+
+StyleSheetList::~StyleSheetList()
+{
+}
+
+void StyleSheetList::documentDestroyed()
+{
+    m_doc = 0;
+}
+
+unsigned StyleSheetList::length() const
+{
+    return m_sheets.size();
+}
+
+StyleSheet* StyleSheetList::item(unsigned index)
+{
+    return index < length() ? m_sheets[index].get() : 0;
+}
+
+HTMLStyleElement* StyleSheetList::getNamedItem(const String& name) const
+{
+    if (!m_doc)
+        return 0;
+
+    // IE also supports retrieving a stylesheet by name, using the name/id of the <style> tag
+    // (this is consistent with all the other collections)
+    // ### Bad implementation because returns a single element (are IDs always unique?)
+    // and doesn't look for name attribute.
+    // But unicity of stylesheet ids is good practice anyway ;)
+    
+    Element* element = m_doc->getElementById(name);
+    if (element && element->hasTagName(styleTag))
+        return static_cast<HTMLStyleElement*>(element);
+    return 0;
+}
+
+} // namespace WebCore