102 lines
3.8 KiB
C
102 lines
3.8 KiB
C
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// Copyright (c) 1999 Microsoft Corporation
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// container.h : Declaration of the CContainer
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#ifndef __CONTAINER_H_
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#define __CONTAINER_H_
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#include "alist.h"
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#include "riff.h"
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#include "..\shared\dmusicp.h"
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class CContainer;
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class CContainerItem : public AListItem
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{
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public:
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CContainerItem(bool fEmbedded);
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~CContainerItem();
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CContainerItem * GetNext() {return(CContainerItem *)AListItem::GetNext();};
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IDirectMusicObject *m_pObject;
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DWORD m_dwFlags;
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DMUS_OBJECTDESC m_Desc; // Stored description of object.
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bool m_fEmbedded; // This is an embedded (as opposed to referenced) object.
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WCHAR * m_pwszAlias;
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};
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class CContainerItemList : public AList
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{
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public:
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CContainerItem * GetHead() {return (CContainerItem *)AList::GetHead();};
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CContainerItem * RemoveHead() {return (CContainerItem *)AList::RemoveHead();};
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void AddTail(CContainerItem * pItem) { AList::AddTail((AListItem *)pItem);};
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};
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class CContainer :
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public IDirectMusicContainer,
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public IDirectMusicObject,
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public IPersistStream,
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public IDirectMusicObjectP
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{
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public:
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CContainer::CContainer();
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CContainer::~CContainer();
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// IUnknown
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virtual STDMETHODIMP QueryInterface(const IID &iid, void **ppv);
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virtual STDMETHODIMP_(ULONG) AddRef();
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virtual STDMETHODIMP_(ULONG) Release();
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// IDirectMusicContainer
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STDMETHODIMP EnumObject(REFGUID rguidClass,
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DWORD dwIndex,
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LPDMUS_OBJECTDESC pDesc,
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WCHAR *pwszAlias);
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// IDirectMusicObject
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STDMETHODIMP GetDescriptor(LPDMUS_OBJECTDESC pDesc);
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STDMETHODIMP SetDescriptor(LPDMUS_OBJECTDESC pDesc);
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STDMETHODIMP ParseDescriptor(LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc);
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// IPersist functions
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STDMETHODIMP GetClassID( CLSID* pClsId );
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// IPersistStream functions
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STDMETHODIMP IsDirty();
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STDMETHODIMP Load( IStream* pIStream );
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STDMETHODIMP Save( IStream* pIStream, BOOL fClearDirty );
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STDMETHODIMP GetSizeMax( ULARGE_INTEGER FAR* pcbSize );
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// IDirectMusicObjectP
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STDMETHOD_(void, Zombie)();
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private:
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void Clear(); // Remove all object references.
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HRESULT Load(IStream* pStream, IDirectMusicLoader *pLoader);
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HRESULT LoadObjects(IStream *pStream,
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IRIFFStream *pRiffStream,
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MMCKINFO ckParent,
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IDirectMusicLoader *pLoader);
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HRESULT LoadObject(IStream* pStream,
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IRIFFStream *pRiffStream,
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MMCKINFO ckParent,
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IDirectMusicLoader *pLoader);
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HRESULT ReadReference(IStream* pStream,
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IRIFFStream *pRiffStream,
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MMCKINFO ckParent,
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DMUS_OBJECTDESC *pDesc);
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IStream * m_pStream; // Pointer to stream this was loaded from.
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// This also provides access to the loader, indirectly.
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CContainerItemList m_ItemList; // List of objects that were loaded by container.
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long m_cRef; // COM reference counter.
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DWORD m_dwFlags; // Flags loaded from file.
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DWORD m_dwPartialLoad; // Used to keep track of partial load.
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// IDirectMusicObject variables
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DWORD m_dwValidData;
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GUID m_guidObject;
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FILETIME m_ftDate; /* Last edited date of object. */
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DMUS_VERSION m_vVersion; /* Version. */
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WCHAR m_wszName[DMUS_MAX_NAME]; /* Name of object. */
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WCHAR m_wszCategory[DMUS_MAX_CATEGORY]; /* Category for object */
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WCHAR m_wszFileName[DMUS_MAX_FILENAME]; /* File path. */
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bool m_fZombie;
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};
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#endif //__CONTAINER_H_
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