dmusic: Move the common parts of DMObject to a generic implementation.

dlls/dmusic/Makefile.in

@@ -5,6 +5,7 @@ C_SRCS = \
 	buffer.c \
 	clock.c \
 	collection.c \
+	dmobject.c \
 	dmusic.c \
 	dmusic_main.c \
 	download.c \

dlls/dmusic/dmobject.c

+/*
+ * Base IDirectMusicObject Implementation
+ *
+ * Copyright (C) 2003-2004 Rok Mandeljc
+ * Copyright (C) 2014 Michael Stefaniuc
+ *
+ * This program 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 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+#define COBJMACROS
+#include "objbase.h"
+#include "dmusici.h"
+#include "dmobject.h"
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(dmobj);
+
+/* Generic IDirectMusicObject methods */
+static inline struct dmobject *impl_from_IDirectMusicObject(IDirectMusicObject *iface)
+{
+    return CONTAINING_RECORD(iface, struct dmobject, IDirectMusicObject_iface);
+}
+
+HRESULT WINAPI dmobj_IDirectMusicObject_QueryInterface(IDirectMusicObject *iface, REFIID riid,
+        void **ret_iface)
+{
+    struct dmobject *This = impl_from_IDirectMusicObject(iface);
+    return IUnknown_QueryInterface(This->outer_unk, riid, ret_iface);
+}
+
+ULONG WINAPI dmobj_IDirectMusicObject_AddRef(IDirectMusicObject *iface)
+{
+    struct dmobject *This = impl_from_IDirectMusicObject(iface);
+    return IUnknown_AddRef(This->outer_unk);
+}
+
+ULONG WINAPI dmobj_IDirectMusicObject_Release(IDirectMusicObject *iface)
+{
+    struct dmobject *This = impl_from_IDirectMusicObject(iface);
+    return IUnknown_Release(This->outer_unk);
+}
+
+HRESULT WINAPI dmobj_IDirectMusicObject_GetDescriptor(IDirectMusicObject *iface,
+        DMUS_OBJECTDESC *desc)
+{
+    struct dmobject *This = impl_from_IDirectMusicObject(iface);
+
+    TRACE("(%p/%p)->(%p)\n", iface, This, desc);
+
+    if (!desc)
+        return E_POINTER;
+
+    memcpy(desc, &This->desc, This->desc.dwSize);
+
+    return S_OK;
+}
+
+HRESULT WINAPI dmobj_IDirectMusicObject_SetDescriptor(IDirectMusicObject *iface,
+        DMUS_OBJECTDESC *desc)
+{
+    struct dmobject *This = impl_from_IDirectMusicObject(iface);
+    HRESULT ret = S_OK;
+
+    TRACE("(%p, %p)\n", iface, desc);
+
+    if (!desc)
+        return E_POINTER;
+
+    /* Immutable property */
+    if (desc->dwValidData & DMUS_OBJ_CLASS)
+    {
+        desc->dwValidData &= ~DMUS_OBJ_CLASS;
+        ret = S_FALSE;
+    }
+    /* Set only valid fields */
+    if (desc->dwValidData & DMUS_OBJ_OBJECT)
+        This->desc.guidObject = desc->guidObject;
+    if (desc->dwValidData & DMUS_OBJ_NAME)
+        lstrcpynW(This->desc.wszName, desc->wszName, DMUS_MAX_NAME);
+    if (desc->dwValidData & DMUS_OBJ_CATEGORY)
+        lstrcpynW(This->desc.wszCategory, desc->wszCategory, DMUS_MAX_CATEGORY);
+    if (desc->dwValidData & DMUS_OBJ_FILENAME)
+        lstrcpynW(This->desc.wszFileName, desc->wszFileName, DMUS_MAX_FILENAME);
+    if (desc->dwValidData & DMUS_OBJ_VERSION)
+        This->desc.vVersion = desc->vVersion;
+    if (desc->dwValidData & DMUS_OBJ_DATE)
+        This->desc.ftDate = desc->ftDate;
+    if (desc->dwValidData & DMUS_OBJ_MEMORY) {
+        This->desc.llMemLength = desc->llMemLength;
+        memcpy(This->desc.pbMemData, desc->pbMemData, desc->llMemLength);
+    }
+    if (desc->dwValidData & DMUS_OBJ_STREAM)
+        IStream_Clone(desc->pStream, &This->desc.pStream);
+
+    This->desc.dwValidData |= desc->dwValidData;
+
+    return ret;
+}
+
+/* Generic IPersistStream methods */
+static inline struct dmobject *impl_from_IPersistStream(IPersistStream *iface)
+{
+    return CONTAINING_RECORD(iface, struct dmobject, IPersistStream_iface);
+}
+
+HRESULT WINAPI dmobj_IPersistStream_QueryInterface(IPersistStream *iface, REFIID riid,
+        void **ret_iface)
+{
+    struct dmobject *This = impl_from_IPersistStream(iface);
+    return IUnknown_QueryInterface(This->outer_unk, riid, ret_iface);
+}
+
+ULONG WINAPI dmobj_IPersistStream_AddRef(IPersistStream *iface)
+{
+    struct dmobject *This = impl_from_IPersistStream(iface);
+    return IUnknown_AddRef(This->outer_unk);
+}
+
+ULONG WINAPI dmobj_IPersistStream_Release(IPersistStream *iface)
+{
+    struct dmobject *This = impl_from_IPersistStream(iface);
+    return IUnknown_Release(This->outer_unk);
+}
+
+
+void dmobject_init(struct dmobject *dmobj, const GUID *class, IUnknown *outer_unk)
+{
+    dmobj->outer_unk = outer_unk;
+    dmobj->desc.dwSize = sizeof(dmobj->desc);
+    dmobj->desc.dwValidData = DMUS_OBJ_CLASS;
+    dmobj->desc.guidClass = *class;
+}

dlls/dmusic/dmobject.h

+/*
+ * Base IDirectMusicObject Implementation
+ *
+ * Copyright (C) 2014 Michael Stefaniuc
+ *
+ * This program 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 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+struct dmobject {
+    IDirectMusicObject IDirectMusicObject_iface;
+    IPersistStream IPersistStream_iface;
+    IUnknown *outer_unk;
+    DMUS_OBJECTDESC desc;
+};
+
+void dmobject_init(struct dmobject *dmobj, const GUID *class, IUnknown *outer_unk) DECLSPEC_HIDDEN;
+
+/* Generic IDirectMusicObject methods */
+HRESULT WINAPI dmobj_IDirectMusicObject_QueryInterface(IDirectMusicObject *iface, REFIID riid,
+        void **ret_iface) DECLSPEC_HIDDEN;
+ULONG WINAPI dmobj_IDirectMusicObject_AddRef(IDirectMusicObject *iface) DECLSPEC_HIDDEN;
+ULONG WINAPI dmobj_IDirectMusicObject_Release(IDirectMusicObject *iface) DECLSPEC_HIDDEN;
+HRESULT WINAPI dmobj_IDirectMusicObject_GetDescriptor(IDirectMusicObject *iface,
+        DMUS_OBJECTDESC *desc) DECLSPEC_HIDDEN;
+HRESULT WINAPI dmobj_IDirectMusicObject_SetDescriptor(IDirectMusicObject *iface,
+        DMUS_OBJECTDESC *desc) DECLSPEC_HIDDEN;
+
+/* Generic IPersistStream methods */
+HRESULT WINAPI dmobj_IPersistStream_QueryInterface(IPersistStream *iface, REFIID riid,
+        void **ret_iface) DECLSPEC_HIDDEN;
+ULONG WINAPI dmobj_IPersistStream_AddRef(IPersistStream *iface) DECLSPEC_HIDDEN;
+ULONG WINAPI dmobj_IPersistStream_Release(IPersistStream *iface) DECLSPEC_HIDDEN;

dlls/dmusic/dmusic_private.h

@@ -269,13 +269,6 @@ typedef struct {
     const char* name;
 } guid_info;
 
-/* used for initialising structs (primarily for DMUS_OBJECTDESC) */
-#define DM_STRUCT_INIT(x) 				\
-	do {								\
-		memset((x), 0, sizeof(*(x)));	\
-		(x)->dwSize = sizeof(*x);		\
-	} while (0)
-
 #define FE(x) { x, #x }	
 #define GE(x) { &x, #x }