///////////////////////////////////////////////////////////////////////////////
//
//      Copyright (c) 2000      Microsoft Corporation
//


///////////////////////////////////////////////////////////////////////////////
//  Imports
//

import "EventSys.idl";

import "vss.idl";


///////////////////////////////////////////////////////////////////////////////
// Forward declarations
//

interface IVssWriter;
interface IVssWriterCallback;



///////////////////////////////////////////////////////////////////////////////
//  Declarations
//




[
    object,
    uuid(F2B41165-A791-4c1f-9820-8BE45C784E32),    
    helpstring("IVssWriter interface"),
        oleautomation,
    pointer_default(unique)
]
interface IVssWriter : IUnknown
{
    [helpstring("method RequestWriterInfo")]
    HRESULT RequestWriterInfo(
        [in]    BSTR bstrSnapshotSetId,
                [in]    BOOL bWriterMetadata,
                [in]    BOOL bWriterState,
                [in]    IDispatch* pWriterCallback
        );

    [helpstring("method PrepareForBackup")]
    HRESULT PrepareForBackup(
        [in]    BSTR bstrSnapshotSetId,
                [in]    IDispatch* pWriterCallback
        );

    [helpstring("method PrepareForSnapshot")]
    HRESULT PrepareForSnapshot(
        [in]    BSTR bstrSnapshotSetId,
        [in]    BSTR VolumeNamesList
        );

    [helpstring("method Freeze")]
    HRESULT Freeze(
        [in]    BSTR bstrSnapshotSetId,
        [in]    INT nApplicationLevel
        );

    [helpstring("method Thaw")]
    HRESULT Thaw(
        [in]    BSTR bstrSnapshotSetId
        );

    [helpstring("method PostSnapshot")]
    HRESULT PostSnapshot(
        [in]    BSTR bstrSnapshotSetId,
        [in]    IDispatch *pWriterCallback,
        [in]    BSTR SnapshotDevicesList
        );

    [helpstring("method BackupComplete")]
    HRESULT BackupComplete(
        [in]    BSTR bstrSnapshotSetId,
                [in]    IDispatch* pWriterCallback
        );

    [helpstring("method BackupShutdown")]
    HRESULT BackupShutdown(
        [in]     BSTR bstrSnapshotSetId
        );
        
    [helpstring("method Abort")]
    HRESULT Abort(
        [in]    BSTR bstrSnapshotSetId
        );

    [helpstring("method PreRestore")]
    HRESULT PreRestore(
                [in]    IDispatch* pWriterCallback
                );

    [helpstring("method PostRestore")]
    HRESULT PostRestore(
                [in]    IDispatch* pWriterCallback

        );
};


[
        object,
        dual,
        uuid(DDAC9818-DD57-4279-82D5-A380A516EF36),        
        helpstring("IVssWriterCallback interface"),
        pointer_default(unique)
]
interface IVssWriterCallback : IDispatch
{
        [helpstring("method ExposeWriterMetadata")]
        HRESULT ExposeWriterMetadata(
                [in]    BSTR WriterInstanceId,
                [in]    BSTR WriterClassId,
                [in]    BSTR bstrWriterName,
                [in]    BSTR strWriterXmlMetadata
                );

        [helpstring("method GetContent")]
        HRESULT GetContent(
                [in]    BSTR WriterInstanceId,
                [out]   BSTR* pbstrXMLDocContent
                );

        [helpstring("method SetContent")]
        HRESULT SetContent(
                [in]    BSTR WriterInstanceId,
                [in]    BSTR bstrXMLDocContent
                );

        [helpstring("method GetBackupState")]
        HRESULT GetBackupState(
                [out]   BOOL *pbBootableSystemStateBackedUp,
                [out]   BOOL *pbAreComponentsSelected,
                [out]   VSS_BACKUP_TYPE *pBackupType,
                [out]   BOOL *pbPartialFileSupport,
                [out]   LONG *plContext
                );

        [helpstring("method GetRestoreState")]
        HRESULT GetRestoreState(
                [out] VSS_RESTORE_TYPE* pRestoreType
                );
                
        [helpstring("method ExposeCurrentState")]
        HRESULT ExposeCurrentState(
                [in]    BSTR WriterInstanceId,
                [in]    VSS_WRITER_STATE nCurrentState,
                [in]    HRESULT hrWriterFailure
                );
};

[
        object,
        dual,
        uuid(52946A2D-A7CD-4c1f-82BA-22F0EA17EC4E),        
        helpstring("IVssCoordinatorCallback interface"),
        pointer_default(unique)
]

interface IVssCoordinatorCallback : IUnknown
{
        [helpstring("method CoordGetContent")]
        HRESULT CoordGetContent(
                [in]    BSTR WriterInstanceId,
                [in]    ULONG cbSid,
                [in, unique, size_is(cbSid)] BYTE * m_rgbSid,
                [out]   BSTR* pbstrXMLDocContent
                );

        [helpstring("method CoordSetContent")]
        HRESULT CoordSetContent(
                [in]    BSTR WriterInstanceId,
                [in]    ULONG cbSid,
                [in, unique, size_is(cbSid)] BYTE * m_rgbSid,
                [in]    BSTR bstrXMLDocContent
                );

        [helpstring("method CoordGetBackupState")]
        HRESULT CoordGetBackupState(
                [out]   BOOL *pbBootableSystemStateBackedUp,
                [out]   BOOL *pbAreComponentsSelected,
                [out]   VSS_BACKUP_TYPE *pBackupType,
                [out]   BOOL *pbPartialFileSupport,
                [out]   LONG *plContext
                );

        [helpstring("method CoordGetRestoreState")]
        HRESULT CoordGetRestoreState(
                [out] VSS_RESTORE_TYPE* pRestoreType
                );
};



////////////////////////////////////////////////////////////////////////////////
//  VssEvent Type Library

[
        uuid(3DE641EF-0556-4d4a-98D5-7DBD8AD5D70F),
        version(1.0),
        helpstring("VssEvent 1.0 Type Library")
]
library VssEventLib
{
        importlib("stdole2.tlb");

        [
                uuid(FAF53CC4-BD73-4e36-83F1-2B23F46E513E),
                helpstring("VssEvent Class")
        ]
        coclass VssEvent
        {
                interface IVssWriter;
        };
};