TnbUsbHidFinder.h

[詳解]

#pragma once
#include "TnbUsbGuidFinder.h"
#include "TnbUsbHidPathName.h"
#include "TnbVector.h"
 
 
 
//TNB Library
namespace TNB
{
 
 
 
class CUsbHidFinder : public CAbstractUsbGuidFinder
{
    DEFSUPER(CAbstractUsbGuidFinder);
    CUsbHidPathName m_hidName;          
protected:
    virtual DWORD OnFound(LPCTSTR lpszDevicePath)
    {
        return m_hidName.SetPathName(lpszDevicePath);
    }
    virtual void OnClosed(void)
    {
        m_hidName.Empty();
    }
 
public:
 
    CUsbHidFinder(void) : m_hidName()
    {
    }
 
    bool Find(void)
    {
        GUID g;
        CUsbHidApi().HidD_GetHidGuid(&g);
        return _super::Find(g);
    }
 
    bool FindMouseHid(void)
    {
        GUID g = { 0x378de44c, 0x56ef, 0x11d1, 0xbc, 0x8c, 0x00, 0xa0, 0xc9, 0x14, 0x05, 0xdd };
        return _super::Find(g);
    }
 
    const CUsbHidPathName& Get(void) const
    {
        if ( ! _super::IsFinding() )
        {
            throw CEmptyException();
        }
        return m_hidName;
    }
 
    static CVectorT<CUsbHidPathName> EnumPathNames(void)
    {
        CVectorT<CUsbHidPathName> v;
        CUsbHidFinder fh;
        if ( fh.Find() )
        {
            do
            {
                v.Add(fh.Get());
            } while ( fh.Next() );
        }
        return v;
    }
 
    static CVectorT<CUsbHidPathName> FindPathNames(int iVendorId, int iProductId)
    {
        CVectorT<CUsbHidPathName> v;
        CUsbHidFinder fh;
        if ( fh.Find() )
        {
            do
            {
                if ( fh.Get().GetVendorId() == iVendorId && fh.Get().GetProductId() == iProductId )
                {
                    v.Add(fh.Get());
                }
            } while ( fh.Next() );
        }
        return v;
    }
};
 
 
 
}; // TNB