ZFProtocolZFUIViewFocus.h

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#ifndef _ZFI_ZFProtocolZFUIViewFocus_h_
#define _ZFI_ZFProtocolZFUIViewFocus_h_
 
#include "ZFCore/ZFProtocol.h"
#include "ZFUIKit/ZFUIView.h"
ZF_NAMESPACE_GLOBAL_BEGIN

ZFPROTOCOL_INTERFACE_BEGIN(ZFLIB_ZFUIKit, ZFUIViewFocus)
ZFPROTOCOL_INTERFACE_OPTIONAL
public:
    virtual void focusable(
            ZF_IN ZFUIView *view
            , ZF_IN zfbool focusable
            ) zfpurevirtual;
    virtual zfbool focused(ZF_IN ZFUIView *view) zfpurevirtual;
    virtual ZFUIView *focusFind(ZF_IN ZFUIView *view) {
        if(view->focused()) {
            return view;
        }
        ZFUIView *ret = zfnull;
        ZFCoreArray<zfautoT<ZFUIView> > children = view->childArray();
        for(zfindex i = 0; i < children.count(); ++i) {
            ret = this->focusFind(children[i]);
            if(ret != zfnull) {
                return ret;
            }
        }
        children = view->internalFgViewArray();
        for(zfindex i = 0; i < children.count(); ++i) {
            ret = this->focusFind(children[i]);
            if(ret != zfnull) {
                return ret;
            }
        }
        children = view->internalBgViewArray();
        for(zfindex i = 0; i < children.count(); ++i) {
            ret = this->focusFind(children[i]);
            if(ret != zfnull) {
                return ret;
            }
        }
        children = view->internalImplViewArray();
        for(zfindex i = 0; i < children.count(); ++i) {
            ret = this->focusFind(children[i]);
            if(ret != zfnull) {
                return ret;
            }
        }
        return zfnull;
    }

    virtual void focusRequest(
            ZF_IN ZFUIView *view
            , ZF_IN zfbool focus
            ) zfpurevirtual;
 
    // ============================================================
    // callbacks that implementations must notify
public:
    zffinal void notifyViewFocusUpdate(ZF_IN ZFUIView *view) {
        view->_ZFP_ZFUIView_focusOnUpdate();
    }
ZFPROTOCOL_INTERFACE_END(ZFUIViewFocus)
 

inline void ZFProtocolZFUIViewFocus_notifyViewFocusUpdate(ZF_IN ZFUIView *view) {
    ZFPROTOCOL_INTERFACE_CLASS(ZFUIViewFocus) *impl = ZFPROTOCOL_TRY_ACCESS(ZFUIViewFocus);
    if(impl != zfnull) {
        impl->notifyViewFocusUpdate(view);
    }
}
 
ZF_NAMESPACE_GLOBAL_END
#endif // #ifndef _ZFI_ZFProtocolZFUIViewFocus_h_