#ifndef FocusController_h
#define FocusController_h
#include "FocusDirection.h"
#include <wtf/Forward.h>
#include <wtf/Noncopyable.h>
#include <wtf/RefPtr.h>
namespace WebCore {
struct FocusCandidate;
class Frame;
class IntRect;
class KeyboardEvent;
class Node;
class Page;
class FocusController {
WTF_MAKE_NONCOPYABLE(FocusController); WTF_MAKE_FAST_ALLOCATED;
public:
FocusController(Page*);
void setFocusedFrame(PassRefPtr<Frame>);
Frame* focusedFrame() const { return m_focusedFrame.get(); }
Frame* focusedOrMainFrame() const;
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);
bool advanceFocusDirectionallyInContainer(Node* container, const IntRect& startingRect, FocusDirection, KeyboardEvent*);
void findFocusCandidateInContainer(Node* container, const IntRect& startingRect, FocusDirection, KeyboardEvent*, FocusCandidate& closest);
Page* m_page;
RefPtr<Frame> m_focusedFrame;
bool m_isActive;
bool m_isFocused;
bool m_isChangingFocusedFrame;
};
}
#endif // FocusController_h