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/Noncopyable.h> 32 #include <wtf/RefPtr.h> 33 34 namespace WebCore { 35 36 class Frame; 37 class KeyboardEvent; 38 class Node; 39 class Page; 40 41 class FocusController : public Noncopyable { 42 public: 43 FocusController(Page*); 44 45 void setFocusedFrame(PassRefPtr<Frame>); 46 Frame* focusedFrame() const { return m_focusedFrame.get(); } 47 Frame* focusedOrMainFrame(); 48 49 bool setInitialFocus(FocusDirection, KeyboardEvent*); 50 bool advanceFocus(FocusDirection, KeyboardEvent*, bool initialFocus = false); 51 52 bool setFocusedNode(Node*, PassRefPtr<Frame>); 53 54 void setActive(bool); 55 bool isActive() const { return m_isActive; } 56 57 void setFocused(bool); 58 bool isFocused() const { return m_isFocused; } 59 60 private: 61 Page* m_page; 62 RefPtr<Frame> m_focusedFrame; 63 bool m_isActive; 64 bool m_isFocused; 65 bool m_isChangingFocusedFrame; 66 }; 67 68 } // namespace WebCore 69 70 #endif // FocusController_h 71
