--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/page/FocusController.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2006, 2007 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 FocusController_h
+#define FocusController_h
+
+#include "FocusDirection.h"
+#include "SpatialNavigation.h"
+#include <wtf/Forward.h>
+#include <wtf/Noncopyable.h>
+#include <wtf/RefPtr.h>
+
+namespace WebCore {
+
+class Document;
+class Frame;
+class KeyboardEvent;
+class Node;
+class Page;
+
+class FocusController : public Noncopyable {
+public:
+    FocusController(Page*);
+
+    void setFocusedFrame(PassRefPtr<Frame>);
+    Frame* focusedFrame() const { return m_focusedFrame.get(); }
+    Frame* focusedOrMainFrame();
+
+    bool setInitialFocus(FocusDirection, KeyboardEvent*);
+    bool advanceFocus(FocusDirection, KeyboardEvent*, bool initialFocus = false);
+        
+    bool setFocusedNode(Node*, PassRefPtr<Frame>);
+
+    void setActive(bool);
+    bool isActive() const { return m_isActive; }
+
+    void setFocused(bool);
+    bool isFocused() const { return m_isFocused; }
+
+private:
+    bool advanceFocusDirectionally(FocusDirection, KeyboardEvent*);
+    bool advanceFocusInDocumentOrder(FocusDirection, KeyboardEvent*, bool initialFocus);
+
+    void findFocusableNodeInDirection(Node* outter, Node*, FocusDirection, KeyboardEvent*,
+                                      FocusCandidate& closestFocusCandidate,
+                                      const FocusCandidate& parentCandidate = FocusCandidate());
+    void deepFindFocusableNodeInDirection(Node* container, Node* focused, FocusDirection, KeyboardEvent*, FocusCandidate&);
+
+    Page* m_page;
+    RefPtr<Frame> m_focusedFrame;
+    bool m_isActive;
+    bool m_isFocused;
+    bool m_isChangingFocusedFrame;
+};
+
+} // namespace WebCore
+    
+#endif // FocusController_h