iOSGlDisplayService.h

#pragma once

#include "Types.h"
#include "IiOSGlDisplayService.h"
#include "VectorMathDecl.h"

@class GLKView;

namespace Eegeo
{
    namespace iOS
    {
        namespace Sdk
        {
            class iOSGlDisplayService : public IiOSGlDisplayService, private Eegeo::NonCopyable
            {
            public:
                iOSGlDisplayService(GLKView* pView);
                ~iOSGlDisplayService();
                
                void NotifyViewFrameChanged();

                float GetViewWidth() const;
                float GetViewHeight() const;
                float GetDeviceDpi() const;
                float GetViewPixelScale() const;
                GlDisplayServiceChangedEvent& ChangedEvent() const;
                
            private:
                void BindDisplay();
                void UpdateDisplayDimensions();
                
                float m_width;
                float m_height;
                float m_displayDpi;
                float m_pixelScale;

                GLKView* m_pGLKView;
                GlDisplayServiceChangedEvent* m_changedEvent;
            };
        }
    }
}