dlls/dmime/dmobject.c

   1 /*
   2  * Base IDirectMusicObject Implementation
   3  * Keep in sync with the master in dlls/dmusic/dmobject.c
   4  *
   5  * Copyright (C) 2003-2004 Rok Mandeljc
   6  * Copyright (C) 2014 Michael Stefaniuc
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #define COBJMACROS
  24 #include "objbase.h"
  25 #include "dmusici.h"
  26 #include "dmobject.h"
  27 #include "wine/debug.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(dmobj);
  30
  31 /* Generic IDirectMusicObject methods */
  32 static inline struct dmobject *impl_from_IDirectMusicObject(IDirectMusicObject *iface)
  33 {
  34     return CONTAINING_RECORD(iface, struct dmobject, IDirectMusicObject_iface);
  35 }
  36
  37 HRESULT WINAPI dmobj_IDirectMusicObject_QueryInterface(IDirectMusicObject *iface, REFIID riid,
  38         void **ret_iface)
  39 {
  40     struct dmobject *This = impl_from_IDirectMusicObject(iface);
  41     return IUnknown_QueryInterface(This->outer_unk, riid, ret_iface);
  42 }
  43
  44 ULONG WINAPI dmobj_IDirectMusicObject_AddRef(IDirectMusicObject *iface)
  45 {
  46     struct dmobject *This = impl_from_IDirectMusicObject(iface);
  47     return IUnknown_AddRef(This->outer_unk);
  48 }
  49
  50 ULONG WINAPI dmobj_IDirectMusicObject_Release(IDirectMusicObject *iface)
  51 {
  52     struct dmobject *This = impl_from_IDirectMusicObject(iface);
  53     return IUnknown_Release(This->outer_unk);
  54 }
  55
  56 HRESULT WINAPI dmobj_IDirectMusicObject_GetDescriptor(IDirectMusicObject *iface,
  57         DMUS_OBJECTDESC *desc)
  58 {
  59     struct dmobject *This = impl_from_IDirectMusicObject(iface);
  60
  61     TRACE("(%p/%p)->(%p)\n", iface, This, desc);
  62
  63     if (!desc)
  64         return E_POINTER;
  65
  66     memcpy(desc, &This->desc, This->desc.dwSize);
  67
  68     return S_OK;
  69 }
  70
  71 HRESULT WINAPI dmobj_IDirectMusicObject_SetDescriptor(IDirectMusicObject *iface,
  72         DMUS_OBJECTDESC *desc)
  73 {
  74     struct dmobject *This = impl_from_IDirectMusicObject(iface);
  75     HRESULT ret = S_OK;
  76
  77     TRACE("(%p, %p)\n", iface, desc);
  78
  79     if (!desc)
  80         return E_POINTER;
  81
  82     /* Immutable property */
  83     if (desc->dwValidData & DMUS_OBJ_CLASS)
  84     {
  85         desc->dwValidData &= ~DMUS_OBJ_CLASS;
  86         ret = S_FALSE;
  87     }
  88     /* Set only valid fields */
  89     if (desc->dwValidData & DMUS_OBJ_OBJECT)
  90         This->desc.guidObject = desc->guidObject;
  91     if (desc->dwValidData & DMUS_OBJ_NAME)
  92         lstrcpynW(This->desc.wszName, desc->wszName, DMUS_MAX_NAME);
  93     if (desc->dwValidData & DMUS_OBJ_CATEGORY)
  94         lstrcpynW(This->desc.wszCategory, desc->wszCategory, DMUS_MAX_CATEGORY);
  95     if (desc->dwValidData & DMUS_OBJ_FILENAME)
  96         lstrcpynW(This->desc.wszFileName, desc->wszFileName, DMUS_MAX_FILENAME);
  97     if (desc->dwValidData & DMUS_OBJ_VERSION)
  98         This->desc.vVersion = desc->vVersion;
  99     if (desc->dwValidData & DMUS_OBJ_DATE)
 100         This->desc.ftDate = desc->ftDate;
 101     if (desc->dwValidData & DMUS_OBJ_MEMORY) {
 102         This->desc.llMemLength = desc->llMemLength;
 103         memcpy(This->desc.pbMemData, desc->pbMemData, desc->llMemLength);
 104     }
 105     if (desc->dwValidData & DMUS_OBJ_STREAM)
 106         IStream_Clone(desc->pStream, &This->desc.pStream);
 107
 108     This->desc.dwValidData |= desc->dwValidData;
 109
 110     return ret;
 111 }
 112
 113 /* Generic IPersistStream methods */
 114 static inline struct dmobject *impl_from_IPersistStream(IPersistStream *iface)
 115 {
 116     return CONTAINING_RECORD(iface, struct dmobject, IPersistStream_iface);
 117 }
 118
 119 HRESULT WINAPI dmobj_IPersistStream_QueryInterface(IPersistStream *iface, REFIID riid,
 120         void **ret_iface)
 121 {
 122     struct dmobject *This = impl_from_IPersistStream(iface);
 123     return IUnknown_QueryInterface(This->outer_unk, riid, ret_iface);
 124 }
 125
 126 ULONG WINAPI dmobj_IPersistStream_AddRef(IPersistStream *iface)
 127 {
 128     struct dmobject *This = impl_from_IPersistStream(iface);
 129     return IUnknown_AddRef(This->outer_unk);
 130 }
 131
 132 ULONG WINAPI dmobj_IPersistStream_Release(IPersistStream *iface)
 133 {
 134     struct dmobject *This = impl_from_IPersistStream(iface);
 135     return IUnknown_Release(This->outer_unk);
 136 }
 137
 138 HRESULT WINAPI dmobj_IPersistStream_GetClassID(IPersistStream *iface, CLSID *class)
 139 {
 140     struct dmobject *This = impl_from_IPersistStream(iface);
 141
 142     TRACE("(%p, %p)\n", This, class);
 143
 144     if (!class)
 145         return E_POINTER;
 146
 147     *class = This->desc.guidClass;
 148
 149     return S_OK;
 150 }
 151
 152 /* IPersistStream methods not implemented in native */
 153 HRESULT WINAPI unimpl_IPersistStream_GetClassID(IPersistStream *iface, CLSID *class)
 154 {
 155     TRACE("(%p, %p): method not implemented\n", iface, class);
 156     return E_NOTIMPL;
 157 }
 158
 159 HRESULT WINAPI unimpl_IPersistStream_IsDirty(IPersistStream *iface)
 160 {
 161     TRACE("(%p): method not implemented, always returning S_FALSE\n", iface);
 162     return S_FALSE;
 163 }
 164
 165 HRESULT WINAPI unimpl_IPersistStream_Save(IPersistStream *iface, IStream *stream,
 166         BOOL clear_dirty)
 167 {
 168     TRACE("(%p, %p, %d): method not implemented\n", iface, stream, clear_dirty);
 169     return E_NOTIMPL;
 170 }
 171
 172 HRESULT WINAPI unimpl_IPersistStream_GetSizeMax(IPersistStream *iface, ULARGE_INTEGER *size)
 173 {
 174     TRACE("(%p, %p): method not implemented\n", iface, size);
 175     return E_NOTIMPL;
 176 }
 177
 178
 179 void dmobject_init(struct dmobject *dmobj, const GUID *class, IUnknown *outer_unk)
 180 {
 181     dmobj->outer_unk = outer_unk;
 182     dmobj->desc.dwSize = sizeof(dmobj->desc);
 183     dmobj->desc.dwValidData = DMUS_OBJ_CLASS;
 184     dmobj->desc.guidClass = *class;
 185 }