/*++

Copyright (c) 1999  Microsoft Corporation

Module Name:

    vs_idl.hxx

Abstract:

    Includes the VSS IDLs

Author:

    Adi Oltean  [aoltean]  04/11/2001

Revision History:

    Name        Date        Comments
    aoltean     04/11/2001  Created


--*/

#ifndef __VSS_IDL_HXX__
#define __VSS_IDL_HXX__

#if _MSC_VER > 1000
#pragma once
#endif

#include <objbase.h>

#include "vss.h"
#include "vdslun.h"
#include "vscoordint.h"
#include "vsevent.h"
#include "vsprov.h"
#include "vsswprv.h"
#include "vsmgmt.h"


// Declaring the IVssSnapshotProvider
// This needs to be used only from VSS, as a wrapper around software and hardware providers
interface IVssSnapshotProvider: public IUnknown
{

    // Internal methods

    STDMETHOD(QueryInternalInterface)(
        IN      REFIID iid,
        OUT     void** pp
        ) PURE;

    // IVssSoftwareSnapshotProvider

    STDMETHOD(SetContext)(
        IN      LONG     lContext
        ) PURE;

    STDMETHOD(GetSnapshotProperties)(
        IN      VSS_ID          SnapshotId,
        OUT     VSS_SNAPSHOT_PROP   *pProp
        ) PURE;

    STDMETHOD(Query)(
        IN      VSS_ID          QueriedObjectId,
        IN      VSS_OBJECT_TYPE eQueriedObjectType,
        IN      VSS_OBJECT_TYPE eReturnedObjectsType,
        OUT     IVssEnumObject**ppEnum
        ) PURE;

    STDMETHOD(DeleteSnapshots)(
        IN      VSS_ID          SourceObjectId,
        IN      VSS_OBJECT_TYPE eSourceObjectType,
        IN      BOOL            bForceDelete,
        OUT     LONG*           plDeletedSnapshots,
        OUT     VSS_ID*         pNondeletedSnapshotID
        ) PURE;

    STDMETHOD(BeginPrepareSnapshot)(
        IN      VSS_ID          SnapshotSetId,
        IN      VSS_ID          SnapshotId,
        IN      VSS_PWSZ     pwszVolumeName,
        IN      LONG             lNewContext  
        ) PURE;

    STDMETHOD(IsVolumeSupported)(
        IN      VSS_PWSZ        pwszVolumeName,
        OUT     BOOL *          pbSupportedByThisProvider
        ) PURE;

    STDMETHOD(IsVolumeSnapshotted)(
        IN      VSS_PWSZ        pwszVolumeName,
        OUT     BOOL *          pbSnapshotsPresent,
        OUT     LONG *          plSnapshotCompatibility
        ) PURE;

    STDMETHOD(SetSnapshotProperty)(
        IN      VSS_ID                     SnapshotId,
        IN      VSS_SNAPSHOT_PROPERTY_ID   eSnapshotPropertyId,
        IN      VARIANT                    vProperty
        ) PURE;
    
    STDMETHOD(RevertToSnapshot)(
       IN       VSS_ID              SnapshotId
     ) PURE;
    
    STDMETHOD(QueryRevertStatus)(
       IN      VSS_PWSZ                         pwszVolume,
       OUT    IVssAsync**                  ppAsync
     ) PURE;
    
    // IVssProviderCreateSnapshotSet

    STDMETHOD(EndPrepareSnapshots)(
        IN      VSS_ID          SnapshotSetId
        ) PURE;

    STDMETHOD(PreCommitSnapshots)(
        IN      VSS_ID          SnapshotSetId
        ) PURE;

    STDMETHOD(CommitSnapshots)(
        IN      VSS_ID          SnapshotSetId
        ) PURE;

    STDMETHOD(PostCommitSnapshots)(
        IN      VSS_ID          SnapshotSetId,
        IN      LONG            lSnapshotsCount
        ) PURE;

     STDMETHOD(PreFinalCommitSnapshots)(
         IN VSS_ID            SnapshotSetId
      ) PURE;

      STDMETHOD(PostFinalCommitSnapshots)(
          IN VSS_ID           SnapshotSetId
      ) PURE;

    STDMETHOD(PostSnapshot)(
        IN IDispatch *pCallback,
        IN bool *pbCancelled
        ) PURE;

    STDMETHOD(AbortSnapshots)(
        IN      VSS_ID          SnapshotSetId
        ) PURE;

    // miscellaneous methods
    STDMETHOD(BreakSnapshotSet)(
        IN      VSS_ID          SnapshotSetId
        ) PURE;

    STDMETHOD(SetExposureProperties)
        (
        IN      VSS_ID          SnapshotId,
        IN      LONG            lAttributes,
        IN      LPCWSTR         wszExposed,
        IN      LPCWSTR         wszExposedPath
        ) PURE;

    STDMETHOD(ImportSnapshotSet)(
        IN      LPCWSTR         wszXMLSnapshotSet,
        IN      bool            *pbCancel
        ) PURE;


    // IVssProviderNotifications

    STDMETHOD(OnLoad)(
        IN  IUnknown* pCallback
        ) PURE;

    STDMETHOD(OnUnload)(
        IN      BOOL    bForceUnload
        ) PURE;

};

#endif // __VSS_IDL_HXX__