--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/history/CachedFrame.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2009, 2010 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+ 
+#ifndef CachedFrame_h
+#define CachedFrame_h
+
+#include "KURL.h"
+#include "ScriptCachedFrameData.h"
+#include <wtf/PassOwnPtr.h>
+#include <wtf/RefPtr.h>
+
+namespace WebCore {
+
+class CachedFrame;
+class CachedFramePlatformData;
+class Document;
+class DocumentLoader;
+class FrameView;
+class Node;
+
+typedef Vector<RefPtr<CachedFrame> > CachedFrameVector;
+
+class CachedFrameBase {
+public:
+    void restore();
+
+    Document* document() const { return m_document.get(); }
+    FrameView* view() const { return m_view.get(); }
+    const KURL& url() const { return m_url; }
+    DOMWindow* domWindow() const { return m_cachedFrameScriptData->domWindow(); }
+    bool isMainFrame() { return m_isMainFrame; }
+
+protected:
+    CachedFrameBase(Frame*);
+    ~CachedFrameBase();
+    
+    RefPtr<Document> m_document;
+    RefPtr<DocumentLoader> m_documentLoader;
+    RefPtr<FrameView> m_view;
+    RefPtr<Node> m_mousePressNode;
+    KURL m_url;
+    OwnPtr<ScriptCachedFrameData> m_cachedFrameScriptData;
+    OwnPtr<CachedFramePlatformData> m_cachedFramePlatformData;
+    bool m_isMainFrame;
+    
+    CachedFrameVector m_childFrames;
+};
+
+class CachedFrame : public RefCounted<CachedFrame>, private CachedFrameBase {
+public:
+    static PassRefPtr<CachedFrame> create(Frame* frame) { return adoptRef(new CachedFrame(frame)); }
+
+    void open();
+    void clear();
+    void destroy();
+
+    void setCachedFramePlatformData(PassOwnPtr<CachedFramePlatformData>);
+    CachedFramePlatformData* cachedFramePlatformData();
+
+    using CachedFrameBase::document;
+    using CachedFrameBase::view;
+    DocumentLoader* documentLoader() const { return m_documentLoader.get(); }
+    Node* mousePressNode() const { return m_mousePressNode.get(); }
+
+    int descendantFrameCount() const;
+
+private:
+    CachedFrame(Frame*);
+};
+
+} // namespace WebCore
+
+#endif // CachedFrame_h