dlls/dmusic/dmobject.c

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