Michael Stefaniuc : dmstyle: Remove the extraneous IUnknown from DMCommandTrack.

Alexandre Julliard julliard at wine.codeweavers.com
Wed Jul 1 09:06:24 CDT 2015


Module: wine
Branch: master
Commit: 28b606b0f3226337b3d1c68f2b9c3559a2f23dc8
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=28b606b0f3226337b3d1c68f2b9c3559a2f23dc8

Author: Michael Stefaniuc <mstefani at redhat.de>
Date:   Wed Jul  1 09:14:13 2015 +0200

dmstyle: Remove the extraneous IUnknown from DMCommandTrack.

Also lock/unlock the module only on creation/destruction of the object.

---

 dlls/dmstyle/commandtrack.c | 130 ++++++++++++++++++--------------------------
 1 file changed, 52 insertions(+), 78 deletions(-)

diff --git a/dlls/dmstyle/commandtrack.c b/dlls/dmstyle/commandtrack.c
index 0ec9774..8d33fd6 100644
--- a/dlls/dmstyle/commandtrack.c
+++ b/dlls/dmstyle/commandtrack.c
@@ -22,14 +22,10 @@
 WINE_DEFAULT_DEBUG_CHANNEL(dmstyle);
 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
 
-static ULONG WINAPI IDirectMusicCommandTrack_IUnknown_AddRef (LPUNKNOWN iface);
-static ULONG WINAPI IDirectMusicCommandTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface);
-
 /*****************************************************************************
  * IDirectMusicCommandTrack implementation
  */
 typedef struct IDirectMusicCommandTrack {
-    const IUnknownVtbl *UnknownVtbl;
     IDirectMusicTrack8 IDirectMusicTrack8_iface;
     const IPersistStreamVtbl *PersistStreamVtbl;
     LONG ref;
@@ -37,62 +33,6 @@ typedef struct IDirectMusicCommandTrack {
     struct list Commands;
 } IDirectMusicCommandTrack;
 
-/* IDirectMusicCommandTrack IUnknown part: */
-static HRESULT WINAPI IDirectMusicCommandTrack_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
-	ICOM_THIS_MULTI(IDirectMusicCommandTrack, UnknownVtbl, iface);
-	TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
-
-	if (IsEqualIID (riid, &IID_IUnknown)) {
-		*ppobj = &This->UnknownVtbl;
-		IDirectMusicCommandTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
-		return S_OK;
-	} else if (IsEqualIID (riid, &IID_IDirectMusicTrack)
-	  || IsEqualIID (riid, &IID_IDirectMusicTrack8)) {
-		*ppobj = &This->IDirectMusicTrack8_iface;
-		IDirectMusicTrack8_AddRef (&This->IDirectMusicTrack8_iface);
-		return S_OK;
-	} else if (IsEqualIID (riid, &IID_IPersistStream)) {
-		*ppobj = &This->PersistStreamVtbl;
-		IDirectMusicCommandTrack_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
-		return S_OK;
-	}
-	
-	WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
-	return E_NOINTERFACE;
-}
-
-static ULONG WINAPI IDirectMusicCommandTrack_IUnknown_AddRef (LPUNKNOWN iface) {
-	ICOM_THIS_MULTI(IDirectMusicCommandTrack, UnknownVtbl, iface);
-        ULONG ref = InterlockedIncrement(&This->ref);
-
-	TRACE("(%p): AddRef from %d\n", This, ref - 1);
-
-	DMSTYLE_LockModule();
-
-	return ref;
-}
-
-static ULONG WINAPI IDirectMusicCommandTrack_IUnknown_Release (LPUNKNOWN iface) {
-	ICOM_THIS_MULTI(IDirectMusicCommandTrack, UnknownVtbl, iface);
-	ULONG ref = InterlockedDecrement(&This->ref);
-
-	TRACE("(%p): ReleaseRef to %d\n", This, ref);
-
-	if (ref == 0) {
-		HeapFree(GetProcessHeap(), 0, This);
-	}
-	
-	DMSTYLE_UnlockModule();
-	
-	return ref;
-}
-
-static const IUnknownVtbl DirectMusicCommandTrack_Unknown_Vtbl = {
-	IDirectMusicCommandTrack_IUnknown_QueryInterface,
-	IDirectMusicCommandTrack_IUnknown_AddRef,
-	IDirectMusicCommandTrack_IUnknown_Release
-};
-
 /* IDirectMusicCommandTrack IDirectMusicTrack8 part: */
 static inline IDirectMusicCommandTrack *impl_from_IDirectMusicTrack8(IDirectMusicTrack8 *iface)
 {
@@ -100,22 +40,51 @@ static inline IDirectMusicCommandTrack *impl_from_IDirectMusicTrack8(IDirectMusi
 }
 
 static HRESULT WINAPI IDirectMusicTrack8Impl_QueryInterface(IDirectMusicTrack8 *iface, REFIID riid,
-        void **ppobj)
+        void **ret_iface)
 {
     IDirectMusicCommandTrack *This = impl_from_IDirectMusicTrack8(iface);
-	return IDirectMusicCommandTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
+
+    TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ret_iface);
+
+    *ret_iface = NULL;
+
+    if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDirectMusicTrack) ||
+            IsEqualIID(riid, &IID_IDirectMusicTrack8))
+        *ret_iface = iface;
+    else if (IsEqualIID(riid, &IID_IPersistStream))
+        *ret_iface = &This->PersistStreamVtbl;
+    else {
+        WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ret_iface);
+        return E_NOINTERFACE;
+    }
+
+    IUnknown_AddRef((IUnknown*)*ret_iface);
+    return S_OK;
 }
 
 static ULONG WINAPI IDirectMusicTrack8Impl_AddRef(IDirectMusicTrack8 *iface)
 {
     IDirectMusicCommandTrack *This = impl_from_IDirectMusicTrack8(iface);
-	return IDirectMusicCommandTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
+    LONG ref = InterlockedIncrement(&This->ref);
+
+    TRACE("(%p) ref=%d\n", This, ref);
+
+    return ref;
 }
 
 static ULONG WINAPI IDirectMusicTrack8Impl_Release(IDirectMusicTrack8 *iface)
 {
     IDirectMusicCommandTrack *This = impl_from_IDirectMusicTrack8(iface);
-	return IDirectMusicCommandTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
+    LONG ref = InterlockedDecrement(&This->ref);
+
+    TRACE("(%p) ref=%d\n", This, ref);
+
+    if (!ref) {
+        HeapFree(GetProcessHeap(), 0, This);
+        DMSTYLE_UnlockModule();
+    }
+
+    return ref;
 }
 
 static HRESULT WINAPI IDirectMusicTrack8Impl_Init(IDirectMusicTrack8 *iface,
@@ -283,17 +252,17 @@ static const IDirectMusicTrack8Vtbl dmtrack8_vtbl = {
 /* IDirectMusicCommandTrack IPersistStream part: */
 static HRESULT WINAPI IDirectMusicCommandTrack_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
 	ICOM_THIS_MULTI(IDirectMusicCommandTrack, PersistStreamVtbl, iface);
-	return IDirectMusicCommandTrack_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
+	return IDirectMusicTrack8_QueryInterface(&This->IDirectMusicTrack8_iface, riid, ppobj);
 }
 
 static ULONG WINAPI IDirectMusicCommandTrack_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
 	ICOM_THIS_MULTI(IDirectMusicCommandTrack, PersistStreamVtbl, iface);
-	return IDirectMusicCommandTrack_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
+	return IDirectMusicTrack8_AddRef(&This->IDirectMusicTrack8_iface);
 }
 
 static ULONG WINAPI IDirectMusicCommandTrack_IPersistStream_Release (LPPERSISTSTREAM iface) {
 	ICOM_THIS_MULTI(IDirectMusicCommandTrack, PersistStreamVtbl, iface);
-	return IDirectMusicCommandTrack_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
+	return IDirectMusicTrack8_Release(&This->IDirectMusicTrack8_iface);
 }
 
 static HRESULT WINAPI IDirectMusicCommandTrack_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
@@ -387,22 +356,27 @@ static const IPersistStreamVtbl DirectMusicCommandTrack_PersistStream_Vtbl = {
 /* for ClassFactory */
 HRESULT WINAPI create_dmcommandtrack(REFIID lpcGUID, void **ppobj)
 {
-	IDirectMusicCommandTrack* track;
-	
-	track = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicCommandTrack));
-	if (NULL == track) {
-		*ppobj = NULL;
-		return E_OUTOFMEMORY;
-	}
-	track->UnknownVtbl = &DirectMusicCommandTrack_Unknown_Vtbl;
+    IDirectMusicCommandTrack *track;
+    HRESULT hr;
+
+    track = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*track));
+    if (!track) {
+        *ppobj = NULL;
+        return E_OUTOFMEMORY;
+    }
     track->IDirectMusicTrack8_iface.lpVtbl = &dmtrack8_vtbl;
 	track->PersistStreamVtbl = &DirectMusicCommandTrack_PersistStream_Vtbl;
 	track->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
 	DM_STRUCT_INIT(track->pDesc);
 	track->pDesc->dwValidData |= DMUS_OBJ_CLASS;
 	track->pDesc->guidClass = CLSID_DirectMusicCommandTrack;
-	track->ref = 0; /* will be inited by QueryInterface */
-	list_init (&track->Commands);
+    track->ref = 1;
+    list_init (&track->Commands);
+
+    DMSTYLE_LockModule();
+    hr = IDirectMusicTrack8_QueryInterface(&track->IDirectMusicTrack8_iface,
+                                           lpcGUID, ppobj);
+    IDirectMusicTrack8_Release(&track->IDirectMusicTrack8_iface);
 
-	return IDirectMusicCommandTrack_IUnknown_QueryInterface ((LPUNKNOWN)&track->UnknownVtbl, lpcGUID, ppobj);
+    return hr;
 }




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