--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/HTMLLinkElement.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * Copyright (C) 2003, 2008, 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.
+ *
+ */
+
+#ifndef HTMLLinkElement_h
+#define HTMLLinkElement_h
+
+#include "CSSStyleSheet.h"
+#include "CachedResourceClient.h"
+#include "CachedResourceHandle.h"
+#include "HTMLElement.h"
+
+namespace WebCore {
+
+class CachedCSSStyleSheet;
+class KURL;
+
+class HTMLLinkElement : public HTMLElement, public CachedResourceClient {
+public:
+    struct RelAttribute {
+        bool m_isStyleSheet;
+        bool m_isIcon;
+        bool m_isAlternate;
+        bool m_isDNSPrefetch;
+#if ENABLE(LINK_PREFETCH)
+        bool m_isLinkPrefetch;
+#endif
+
+        RelAttribute()
+            : m_isStyleSheet(false)
+            , m_isIcon(false)
+            , m_isAlternate(false)
+            , m_isDNSPrefetch(false)
+#if ENABLE(LINK_PREFETCH)
+            , m_isLinkPrefetch(false)
+#endif
+            { 
+            }
+    };
+
+    static PassRefPtr<HTMLLinkElement> create(const QualifiedName&, Document*, bool createdByParser);
+    virtual ~HTMLLinkElement();
+
+    KURL href() const;
+    String rel() const;
+
+    virtual String target() const;
+
+    String type() const;
+
+    StyleSheet* sheet() const;
+
+    bool isLoading() const;
+
+    bool isDisabled() const { return m_disabledState == Disabled; }
+    bool isEnabledViaScript() const { return m_disabledState == EnabledViaScript; }
+    bool isIcon() const { return m_relAttribute.m_isIcon; }
+    
+    virtual void attach();
+    virtual bool canLazyAttach() { return false; }
+
+private:
+    virtual HTMLTagStatus endTagRequirement() const { return TagStatusForbidden; }
+    virtual int tagPriority() const { return 0; }
+
+    virtual void parseMappedAttribute(Attribute*);
+
+    void process();
+    static void processCallback(Node*);
+
+    virtual void insertedIntoDocument();
+    virtual void removedFromDocument();
+
+    // from CachedResourceClient
+    virtual void setCSSStyleSheet(const String& href, const KURL& baseURL, const String& charset, const CachedCSSStyleSheet* sheet);
+    virtual bool sheetLoaded();
+
+    bool isAlternate() const { return m_disabledState == Unset && m_relAttribute.m_isAlternate; }
+    
+    void setDisabledState(bool _disabled);
+
+    virtual bool isURLAttribute(Attribute*) const;
+
+public:
+    static void tokenizeRelAttribute(const AtomicString& value, RelAttribute&);
+
+private:
+    virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const;
+
+    virtual void finishParsingChildren();
+
+private:
+    HTMLLinkElement(const QualifiedName&, Document*, bool createdByParser);
+
+    enum DisabledState {
+        Unset,
+        EnabledViaScript,
+        Disabled
+    };
+
+    CachedResourceHandle<CachedCSSStyleSheet> m_cachedSheet;
+    RefPtr<CSSStyleSheet> m_sheet;
+    KURL m_url;
+    String m_type;
+    String m_media;
+    DisabledState m_disabledState;
+    RelAttribute m_relAttribute;
+    bool m_loading;
+    bool m_createdByParser;
+    bool m_shouldProcessAfterAttach;
+};
+
+} //namespace
+
+#endif