1 /*

     2  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions

     6  * are met:

     7  * 1. Redistributions of source code must retain the above copyright

     8  *    notice, this list of conditions and the following disclaimer.

     9  * 2. Redistributions in binary form must reproduce the above copyright

    10  *    notice, this list of conditions and the following disclaimer in the

    11  *    documentation and/or other materials provided with the distribution.

    12  *

    13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

    14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

    17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

    21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

    24  */

    25 

    26 #ifndef FocusController_h

    27 #define FocusController_h

    28 

    29 #include "FocusDirection.h"

    30 #include <wtf/Forward.h>

    31 #include <wtf/RefPtr.h>

    32 

    33 namespace WebCore {

    34 

    35     class Frame;

    36     class KeyboardEvent;

    37     class Node;

    38     class Page;

    39 

    40     class FocusController {

    41     public:

    42         FocusController(Page*);

    43 

    44         void setFocusedFrame(PassRefPtr<Frame>);

    45         Frame* focusedFrame() const { return m_focusedFrame.get(); }

    46         Frame* focusedOrMainFrame();

    47 

    48         bool setInitialFocus(FocusDirection, KeyboardEvent*);

    49         bool advanceFocus(KeyboardEvent*);

    50         bool advanceFocus(FocusDirection, KeyboardEvent*, bool initialFocus = false);

    51         

    52         bool setFocusedNode(Node*, PassRefPtr<Frame>);

    53 

    54     private:

    55         Page* m_page;

    56         RefPtr<Frame> m_focusedFrame;

    57     };

    58 

    59 } // namespace WebCore

    60     

    61 #endif // FocusController_h