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patterntrack.c

/* IDirectMusicPatternTrack Implementation
 *
 * Copyright (C) 2003-2004 Rok Mandeljc
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Library General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#include "dmime_private.h"

WINE_DEFAULT_DEBUG_CHANNEL(dmime);

/* IDirectMusicPatternTrack IUnknown parts follow: */
static HRESULT WINAPI IDirectMusicPatternTrackImpl_QueryInterface (LPDIRECTMUSICPATTERNTRACK iface, REFIID riid, LPVOID *ppobj) {
      IDirectMusicPatternTrackImpl *This = (IDirectMusicPatternTrackImpl *)iface;
      TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);

      if (IsEqualIID (riid, &IID_IUnknown) || 
          IsEqualIID (riid, &IID_IDirectMusicPatternTrack)) {
            IUnknown_AddRef(iface);
            *ppobj = This;
            return S_OK;
      }
      
      WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
      return E_NOINTERFACE;
}

static ULONG WINAPI IDirectMusicPatternTrackImpl_AddRef (LPDIRECTMUSICPATTERNTRACK iface) {
      IDirectMusicPatternTrackImpl *This = (IDirectMusicPatternTrackImpl *)iface;
        ULONG ref = InterlockedIncrement(&This->ref);

      TRACE("(%p): AddRef from %d\n", This, ref - 1);

      DMIME_LockModule();

      return ref;
}

static ULONG WINAPI IDirectMusicPatternTrackImpl_Release (LPDIRECTMUSICPATTERNTRACK iface) {
      IDirectMusicPatternTrackImpl *This = (IDirectMusicPatternTrackImpl *)iface;
      ULONG ref = InterlockedDecrement(&This->ref);
      TRACE("(%p): ReleaseRef to %d\n", This, ref);
      
      if (ref == 0) {
            HeapFree(GetProcessHeap(), 0, This);
      }

      DMIME_UnlockModule();

      return ref;
}

/* IDirectMusicPatternTrack Interface follow: */
static HRESULT WINAPI IDirectMusicPatternTrackImpl_CreateSegment (LPDIRECTMUSICPATTERNTRACK iface, IDirectMusicStyle* pStyle, IDirectMusicSegment** ppSegment) {
      IDirectMusicPatternTrackImpl *This = (IDirectMusicPatternTrackImpl *)iface;
      FIXME("(%p, %p, %p): stub\n", This, pStyle, ppSegment);
      return S_OK;
}

static HRESULT WINAPI IDirectMusicPatternTrackImpl_SetVariation (LPDIRECTMUSICPATTERNTRACK iface, IDirectMusicSegmentState* pSegState, DWORD dwVariationFlags, DWORD dwPart) {
      IDirectMusicPatternTrackImpl *This = (IDirectMusicPatternTrackImpl *)iface;
      FIXME("(%p, %p, %d, %d): stub\n", This, pSegState, dwVariationFlags, dwPart);
      return S_OK;
}

static HRESULT WINAPI IDirectMusicPatternTrackImpl_SetPatternByName (LPDIRECTMUSICPATTERNTRACK iface, IDirectMusicSegmentState* pSegState, WCHAR* wszName, IDirectMusicStyle* pStyle, DWORD dwPatternType, DWORD* pdwLength) {
      IDirectMusicPatternTrackImpl *This = (IDirectMusicPatternTrackImpl *)iface;
      FIXME("(%p, %p, %p, %p, %d, %p): stub\n", This, pSegState, wszName, pStyle, dwPatternType, pdwLength);
      return S_OK;
}

static const IDirectMusicPatternTrackVtbl DirectMusicPatternTrack_Vtbl = {
      IDirectMusicPatternTrackImpl_QueryInterface,
      IDirectMusicPatternTrackImpl_AddRef,
      IDirectMusicPatternTrackImpl_Release,
      IDirectMusicPatternTrackImpl_CreateSegment,
      IDirectMusicPatternTrackImpl_SetVariation,
      IDirectMusicPatternTrackImpl_SetPatternByName
};

/* for ClassFactory */
HRESULT WINAPI DMUSIC_CreateDirectMusicPatternTrackImpl (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
      IDirectMusicPatternTrackImpl* track;
      
      track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicPatternTrackImpl));
      if (NULL == track) {
            *ppobj = NULL;
            return E_OUTOFMEMORY;
      }
      track->lpVtbl = &DirectMusicPatternTrack_Vtbl;
      track->ref = 0; /* will be inited by QueryInterface */
      
      return IDirectMusicPatternTrackImpl_QueryInterface ((LPDIRECTMUSICPATTERNTRACK)track, lpcGUID, ppobj);
}

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