ZFProtocolZFUIView.h

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

ZFPROTOCOL_INTERFACE_BEGIN(ZFLIB_ZFUIKit, ZFUIView)
public:
    virtual zfbool nativeViewCacheOnSave(ZF_IN void *nativeView) {
        return zffalse;
    }

    virtual void nativeViewCacheOnRestore(
            ZF_IN ZFUIView *view
            , ZF_IN void *nativeView
            ) {
    }

    virtual void *nativeViewCreate(ZF_IN ZFUIView *view) zfpurevirtual;
    virtual void nativeViewDestroy(ZF_IN void *nativeView) zfpurevirtual;

    virtual void nativeImplView(
            ZF_IN ZFUIView *view
            , ZF_IN void *nativeImplViewOld
            , ZF_IN void *nativeImplView
            , ZF_IN zfindex virtualIndex
            , ZF_IN zfbool nativeImplViewRequireVirtualIndex
            ) zfpurevirtual;
    virtual void nativeImplViewFrame(
            ZF_IN ZFUIView *view
            , ZF_IN const ZFUIRect &rect
            ) zfpurevirtual;

    virtual zffloat UIScaleForImpl(ZF_IN void *nativeView) zfpurevirtual;
    virtual zffloat UIScaleForPixel(ZF_IN void *nativeView) zfpurevirtual;
 
    // ============================================================
    // properties
public:
    virtual void visible(
            ZF_IN ZFUIView *view
            , ZF_IN zfbool visible
            ) zfpurevirtual;
    virtual void alpha(
            ZF_IN ZFUIView *view
            , ZF_IN zffloat alpha
            ) zfpurevirtual;
    virtual void viewUIEnable(
            ZF_IN ZFUIView *view
            , ZF_IN zfbool viewUIEnable
            ) zfpurevirtual;
    virtual void viewUIEnableTree(
            ZF_IN ZFUIView *view
            , ZF_IN zfbool viewUIEnableTree
            ) zfpurevirtual;
    virtual void mouseHoverEnable(
            ZF_IN ZFUIView *view
            , ZF_IN zfbool mouseHoverEnable
            ) {
        // no hover event support by default
    }

    virtual void bgColor(
            ZF_IN ZFUIView *view
            , ZF_IN const ZFUIColor &bgColor
            ) zfpurevirtual;
 
    // ============================================================
    // children
public:
    virtual void child(
            ZF_IN ZFUIView *parent
            , ZF_IN ZFUIView *child
            , ZF_IN zfindex virtualIndex
            , ZF_IN ZFUIViewChildLayer childLayer
            , ZF_IN zfindex childLayerIndex
            ) zfpurevirtual;
    virtual void childRemove(
            ZF_IN ZFUIView *parent
            , ZF_IN ZFUIView *child
            , ZF_IN zfindex virtualIndex
            , ZF_IN ZFUIViewChildLayer childLayer
            , ZF_IN zfindex childLayerIndex
            ) zfpurevirtual;
    virtual void childRemoveAllForDealloc(ZF_IN ZFUIView *parent) zfpurevirtual;
 
    // ============================================================
    // frame and layout
public:
    virtual void viewFrame(
            ZF_IN ZFUIView *view
            , ZF_IN const ZFUIRect &rect
            ) zfpurevirtual;
    virtual void layoutRequest(ZF_IN ZFUIView *view) zfpurevirtual;

    virtual void measureNativeView(
            ZF_OUT ZFUISize &ret
            , ZF_IN void *nativeView
            , ZF_IN const ZFUISize &sizeHint
            ) zfpurevirtual;
 
    // ============================================================
    // callbacks that implementations must notify
public:
    zffinal void notifyLayoutView(
            ZF_IN ZFUIView *view
            , ZF_IN const ZFUIRect &rect
            ) {
        view->_ZFP_ZFUIView_notifyLayoutView(ZFUIRectApplyScaleReversely(rect, view->UIScaleFixed()));
    }

    zffinal void notifyUIEvent(
            ZF_IN ZFUIView *view
            , ZF_IN ZFUIEvent *uiEvent
            ) {
        uiEvent->_ZFP_ZFUIEvent_eventOnApplyScaleReversely(view->UIScaleFixed());
        view->viewEventSend(uiEvent);
    }
ZFPROTOCOL_INTERFACE_END(ZFUIView)
 
ZF_NAMESPACE_GLOBAL_END
#endif // #ifndef _ZFI_ZFProtocolZFUIView_h_