YiAutoLinearLayout.h

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// © You i Labs Inc. 2000-2017. All rights reserved.
#ifndef _YI_AUTO_LINEAR_LAYOUT_H_
#define _YI_AUTO_LINEAR_LAYOUT_H_

#include "layout/YiLinearLayout.h"

class CYIAutoLinearLayout : public CYILinearLayout, public CYISignalHandler
{
public:
    enum CONDITION
    {
        SURFACE, 
        MEASURE_SPEC, 
        PROGRAMMATIC 
    };
    
    CYIAutoLinearLayout();
    virtual ~CYIAutoLinearLayout();
    
    void SetCondition(CONDITION eCondition);
    CONDITION GetCondition() const; 
    
    void SetFlipGravityOnConditionChange(bool bFlipGravity);
    bool IsFlippingGravityOnConditionChange() const; 
    
    void SetUseInvertedCondition(bool bUseInvertedCondition);
    bool IsUsingInvertedCondition() const; 
    
protected:
    virtual void Configure() override;
    virtual void OnSceneViewAttached() override;
    
    virtual void OnMeasure(const CYISceneNode::MeasureSpec &widthSpec, const CYISceneNode::MeasureSpec &heightSpec, const CYISceneNode::MeasureSpec &depthSpec) override;
    
    CONDITION m_eCondition;
    bool m_bFlipGravityOnConditionChange;
    bool m_bInvertCondition;
    
private:
    void OnSurfaceSizeChanged();
    ORIENTATION m_eLastOrientation;
    
    YI_TYPE_BASES(CYIAutoLinearLayout, CYILinearLayout)
};

#endif // _YI_AUTO_LINEAR_LAYOUT_H_