/*
 * Speech API (SAPI) DDK IDL file.
 *
 * Copyright (C) 2017 Huw Davies
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

import "oaidl.idl";
import "ocidl.idl";
import "sapi.idl";

#ifndef __WIDL__
#define threading(model)
#define progid(str)
#define vi_progid(str)
#endif

[
    object,
    uuid(06b64f9f-7fda-11d2-b4f2-00c04f797396),
    helpstring("ISpObjectTokenEnumBuilder"),
    pointer_default(unique),
    local,
    restricted
]
interface ISpObjectTokenEnumBuilder : IEnumSpObjectTokens
{
    HRESULT SetAttribs([in] LPCWSTR pszReqAttribs,
                       [in] LPCWSTR pszOptAttribs);
    HRESULT AddTokens([in] ULONG cTokens,
                      [in] ISpObjectToken **pToken);
    HRESULT AddTokensFromDataKey([in] ISpDataKey *pDataKey,
                                 [in] LPCWSTR pszSubKey,
                                 [in] LPCWSTR pszCategoryId);
    HRESULT AddTokensFromTokenEnum([in] IEnumSpObjectTokens *pTokenEnum);
    HRESULT Sort([in] LPCWSTR pszTokenIdToListFirst);
}

typedef enum SPVSKIPTYPE
{
    SPVST_SENTENCE  = (1L << 0)
} SPVSKIPTYPE;

typedef enum SPVESACTIONS
{
    SPVES_CONTINUE = 0,
    SPVES_ABORT    = (1L << 0),
    SPVES_SKIP     = (1L << 1),
    SPVES_RATE     = (1L << 2),
    SPVES_VOLUME   = (1L << 3)
} SPVESACTIONS;

[
    object,
    uuid(9880499b-cce9-11d2-b503-00c04f797396),
    helpstring("ISpTTSEngineSite"),
    pointer_default(unique),
    local
]
interface ISpTTSEngineSite : ISpEventSink
{
    DWORD GetActions();
    HRESULT Write([in] const void *pBuff,
                  [in] ULONG cb,
                  [out] ULONG *pcbWritten);
    HRESULT GetRate([out] long *pRateAdjust);
    HRESULT GetVolume([out] USHORT *pusVolume);
    HRESULT GetSkipInfo([out] SPVSKIPTYPE *peType,
                        [out] long *plNumItems);
    HRESULT CompleteSkip([in] long lNumSkipped);
};

typedef struct SPVTEXTFRAG
{
    struct SPVTEXTFRAG* pNext;
    SPVSTATE  State;
    LPCWSTR   pTextStart;
    ULONG     ulTextLen;
    ULONG     ulTextSrcOffset;
} SPVTEXTFRAG;

[
    object,
    uuid(a74d7c8e-4cc5-4f2f-a6eb-804dee18500e),
    helpstring("ISpTTSEngine"),
    pointer_default(unique),
    local
]
interface ISpTTSEngine : IUnknown
{
    HRESULT Speak([in] DWORD dwSpeakFlags,
                  [in] REFGUID rguidFormatId,
                  [in] const WAVEFORMATEX *pWaveFormatEx,
                  [in] const SPVTEXTFRAG *pTextFragList,
                  [in] ISpTTSEngineSite *pOutputSite);
    HRESULT GetOutputFormat([in] const GUID *pTargetFmtId,
                            [in] const WAVEFORMATEX *pTargetWaveFormatEx,
                            [out] GUID *pOutputFormatId,
                            [out] WAVEFORMATEX **ppCoMemOutputWaveFormatEx);
};

[
    helpstring("Speech Object DDK Library"),
    uuid(9903f14c-12ce-4c99-9986-2ee3d7d588a8),
    version(5.4)
]
library SpeechDDKLib
{
    importlib("stdole2.tlb");

    [
        uuid(d9f6ee60-58c9-458b-88e1-2f908fd7f87c),
        helpstring("Data Key"),
        progid("SAPI.SpDataKey.1"),
        vi_progid("SAPI.SpDataKey"),
        threading(both)
    ]
    coclass SpDataKey
    {
        interface ISpRegDataKey;
        [default] interface ISpDataKey;
    }

    [
        uuid(3918d75f-0acb-41f2-b733-92aa15bcecf6),
        helpstring("Object Token Enumerator"),
        progid("SAPI.SpObjectTokenEnum.1"),
        vi_progid("SAPI.SpObjectTokenEnum"),
        threading(both)
    ]
    coclass SpObjectTokenEnum
    {
        interface ISpObjectTokenEnumBuilder;
        [default] interface IEnumSpObjectTokens;
    }
}