YiPlatformView.h

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

#include "utility/YiTimer.h"
#include "platform/YiPlatformViewProxy.h"
#include "view/YiSceneView.h"

class CYIPlatformView : public CYISceneView, private CYIPlatformViewProxy::Delegate
{
public:
    enum PRESENTATION_RULE
    {
        PRESENT_AS_TEXTURE, 
        PRESENT_LIVE, 
        PRESENT_AUTO 
    };

    CYIPlatformView();
    virtual ~CYIPlatformView();

    virtual bool Init() override;

    void SetViewProxy(CYIPlatformViewProxy *pViewProxy);

    void SetPresentationRule(PRESENTATION_RULE ePresentationRule);
    
    PRESENTATION_RULE GetPresentationRule() const;

protected:
    virtual void UpdateBegin() override;
    
    virtual void UpdateEnd() override;

    CYIPlatformViewProxy *m_pViewProxy;
    std::unique_ptr<CYISceneNode> m_pOwnedPlatformSurfaceNode;
    CYISceneNode *m_pPlatformSurfaceNode;

private:
    enum PRESENTATION_STATE
    {
        TEXTURE,
        LIVE
    };

    void PresentLive();
    void PresentAsTexture();

    void SynchronizePlatformView();

    virtual void OnTextureUpdated() override;
    virtual void OnProxyDestroyed() override;

    void OnViewStoppedMoving();

    PRESENTATION_RULE m_ePresentationRule;
    PRESENTATION_STATE m_eCurrentPresentation;

    YI_RECT_REL m_cachedViewRectangle;
    std::shared_ptr<CYIMaterial> m_pLiveViewCutoutMaterial;
    CYITimer m_switchToLiveTimer;
    CYITimer m_viewMovingTimer;

    YI_TYPE_BASES(CYIPlatformView, CYISceneView)
};

#endif