dlls/dswave/dswave_main.c

   1 /* DirectMusic Wave Main
   2  *
   3  * Copyright (C) 2003-2004 Rok Mandeljc
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20
  21 #include <stdio.h>
  22 #include <stdarg.h>
  23
  24 #define COBJMACROS
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winnt.h"
  29 #include "wingdi.h"
  30 #include "winuser.h"
  31 #include "winreg.h"
  32 #include "objbase.h"
  33 #include "rpcproxy.h"
  34 #include "initguid.h"
  35 #include "dmusici.h"
  36
  37 #include "dswave_private.h"
  38 #include "dmobject.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(dswave);
  41
  42 LONG DSWAVE_refCount = 0;
  43
  44 typedef struct {
  45         IClassFactory IClassFactory_iface;
  46 } IClassFactoryImpl;
  47
  48 /******************************************************************
  49  *              DirectMusicWave ClassFactory
  50  */
  51 static HRESULT WINAPI WaveCF_QueryInterface(IClassFactory * iface, REFIID riid, void **ppv)
  52 {
  53         if (ppv == NULL)
  54                 return E_POINTER;
  55
  56         if (IsEqualGUID(&IID_IUnknown, riid))
  57                 TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
  58         else if (IsEqualGUID(&IID_IClassFactory, riid))
  59                 TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
  60         else {
  61                 FIXME("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
  62                 *ppv = NULL;
  63                 return E_NOINTERFACE;
  64         }
  65
  66         *ppv = iface;
  67         IUnknown_AddRef((IUnknown*)*ppv);
  68         return S_OK;
  69 }
  70
  71 static ULONG WINAPI WaveCF_AddRef(IClassFactory * iface)
  72 {
  73         DSWAVE_LockModule();
  74
  75         return 2; /* non-heap based object */
  76 }
  77
  78 static ULONG WINAPI WaveCF_Release(IClassFactory * iface)
  79 {
  80         DSWAVE_UnlockModule();
  81
  82         return 1; /* non-heap based object */
  83 }
  84
  85 static HRESULT WINAPI WaveCF_CreateInstance(IClassFactory * iface, IUnknown *outer_unk, REFIID riid,
  86         void **ret_iface)
  87 {
  88     TRACE ("(%p, %s, %p)\n", outer_unk, debugstr_dmguid(riid), ret_iface);
  89
  90     if (outer_unk) {
  91         *ret_iface = NULL;
  92         return CLASS_E_NOAGGREGATION;
  93     }
  94
  95     return create_dswave(riid, ret_iface);
  96 }
  97
  98 static HRESULT WINAPI WaveCF_LockServer(IClassFactory * iface, BOOL dolock)
  99 {
 100         TRACE("(%d)\n", dolock);
 101
 102         if (dolock)
 103                 DSWAVE_LockModule();
 104         else
 105                 DSWAVE_UnlockModule();
 106
 107         return S_OK;
 108 }
 109
 110 static const IClassFactoryVtbl WaveCF_Vtbl = {
 111         WaveCF_QueryInterface,
 112         WaveCF_AddRef,
 113         WaveCF_Release,
 114         WaveCF_CreateInstance,
 115         WaveCF_LockServer
 116 };
 117
 118 static IClassFactoryImpl Wave_CF = {{&WaveCF_Vtbl}};
 119
 120 /******************************************************************
 121  *              DllCanUnloadNow (DSWAVE.@)
 122  *
 123  *
 124  */
 125 HRESULT WINAPI DllCanUnloadNow(void)
 126 {
 127         return DSWAVE_refCount != 0 ? S_FALSE : S_OK;
 128 }
 129
 130
 131 /******************************************************************
 132  *              DllGetClassObject (DSWAVE.@)
 133  *
 134  *
 135  */
 136 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 137 {
 138         TRACE("(%s, %s, %p)\n", debugstr_dmguid(rclsid), debugstr_dmguid(riid), ppv);
 139         if (IsEqualCLSID (rclsid, &CLSID_DirectSoundWave) && IsEqualIID (riid, &IID_IClassFactory)) {
 140                 *ppv = &Wave_CF;
 141                 IClassFactory_AddRef((IClassFactory*)*ppv);
 142                 return S_OK;
 143         }
 144
 145     WARN("(%s, %s, %p): no interface found.\n", debugstr_dmguid(rclsid), debugstr_dmguid(riid), ppv);
 146     return CLASS_E_CLASSNOTAVAILABLE;
 147 }