// CTivoChunk.h : Declaration of the CTivoChunk

#pragma once
#include "resource.h"       // main symbols

#include "tivocom.h"


#if defined(_WIN32_WCE) && !defined(_CE_DCOM) && !defined(_CE_ALLOW_SINGLE_THREADED_OBJECTS_IN_MTA)
#error "Single-threaded COM objects are not properly supported on Windows CE platform, such as the Windows Mobile platforms that do not include full DCOM support. Define _CE_ALLOW_SINGLE_THREADED_OBJECTS_IN_MTA to force ATL to support creating single-thread COM object's and allow use of it's single-threaded COM object implementations. The threading model in your rgs file was set to 'Free' as that is the only threading model supported in non DCOM Windows CE platforms."
#endif

// CTivoChunk

class ATL_NO_VTABLE CTivoChunk :
	public CComObjectRootEx<CComSingleThreadModel>,
//	public CComCoClass<CTivoChunk, &CLSID_TivoChunk>,
	public IDispatchImpl<ITivoChunk, &IID_ITivoChunk, &LIBID_tivocomLib, /*wMajor =*/ 1, /*wMinor =*/ 1>
{
	friend class CTivoFile;
	tivo_stream_chunk* m_chunk;
	ULARGE_INTEGER m_chunkstart;
	CComPtr<ITivoChunk> m_chunk0;
	std::string m_mak;
	bool m_decrypted;
public:
	CTivoChunk()
		: m_chunk (NULL)
		, m_decrypted (false)
	{
	}


BEGIN_COM_MAP(CTivoChunk)
	COM_INTERFACE_ENTRY(ITivoChunk)
	COM_INTERFACE_ENTRY(IDispatch)
END_COM_MAP()



	DECLARE_PROTECT_FINAL_CONSTRUCT()

	HRESULT FinalConstruct()
	{
		return S_OK;
	}

	void FinalRelease()
	{
		if (m_chunk)
			free(m_chunk);
	}

	STDMETHOD(Init)(const std::string & mak, ITivoChunk* chunk0, IStream* pStm, ULARGE_INTEGER* pChunkPos);

public:

	STDMETHOD(get_chunk_size)(UINT* pVal);
	STDMETHOD(get_data_size)(UINT* pVal);
	STDMETHOD(get_chunk_id)(USHORT* pVal);
	STDMETHOD(get_chunk_type)(USHORT* pVal);
	STDMETHOD(get_data)(BSTR* pVal);
};

//OBJECT_ENTRY_AUTO(__uuidof(TivoChunk), CTivoChunk)