dlls/devenum/devenum_main.c

   1 /*
   2  * Device Enumeration
   3  *
   4  * Copyright (C) 2002 John K. Hohm
   5  * Copyright (C) 2002 Robert Shearman
   6  *
   7  * This library 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 library 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 library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "devenum_private.h"
  23 #include "rpcproxy.h"
  24 #include "wine/debug.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(devenum);
  27
  28 DECLSPEC_HIDDEN LONG dll_refs;
  29
  30 struct class_factory
  31 {
  32     IClassFactory IClassFactory_iface;
  33     IUnknown *obj;
  34 };
  35
  36 static inline struct class_factory *impl_from_IClassFactory( IClassFactory *iface )
  37 {
  38     return CONTAINING_RECORD( iface, struct class_factory, IClassFactory_iface );
  39 }
  40
  41 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID iid, void **obj)
  42 {
  43     TRACE("(%p, %s, %p)\n", iface, debugstr_guid(iid), obj);
  44
  45     if (IsEqualGUID(iid, &IID_IUnknown) || IsEqualGUID(iid, &IID_IClassFactory))
  46     {
  47         IClassFactory_AddRef(iface);
  48         *obj = iface;
  49         return S_OK;
  50     }
  51
  52     *obj = NULL;
  53     WARN("no interface for %s\n", debugstr_guid(iid));
  54     return E_NOINTERFACE;
  55 }
  56
  57 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
  58 {
  59     DEVENUM_LockModule();
  60     return 2;
  61 }
  62
  63 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
  64 {
  65     DEVENUM_UnlockModule();
  66     return 1;
  67 }
  68
  69 static HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface,
  70     IUnknown *outer, REFIID iid, void **obj)
  71 {
  72     struct class_factory *This = impl_from_IClassFactory( iface );
  73
  74     TRACE("(%p, %s, %p)\n", outer, debugstr_guid(iid), obj);
  75
  76     if (!obj) return E_POINTER;
  77
  78     if (outer) return CLASS_E_NOAGGREGATION;
  79
  80     return IUnknown_QueryInterface(This->obj, iid, obj);
  81 }
  82
  83 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL lock)
  84 {
  85     if (lock)
  86         DEVENUM_LockModule();
  87     else
  88         DEVENUM_UnlockModule();
  89     return S_OK;
  90 }
  91
  92 static const IClassFactoryVtbl ClassFactory_vtbl = {
  93     ClassFactory_QueryInterface,
  94     ClassFactory_AddRef,
  95     ClassFactory_Release,
  96     ClassFactory_CreateInstance,
  97     ClassFactory_LockServer
  98 };
  99
 100 static struct class_factory create_devenum_cf = { { &ClassFactory_vtbl }, (IUnknown *)&devenum_factory };
 101 static struct class_factory device_moniker_cf = { { &ClassFactory_vtbl }, (IUnknown *)&devenum_parser };
 102
 103 /***********************************************************************
 104  *              DllGetClassObject (DEVENUM.@)
 105  */
 106 HRESULT WINAPI DllGetClassObject(REFCLSID clsid, REFIID iid, void **obj)
 107 {
 108     TRACE("(%s, %s, %p)\n", debugstr_guid(clsid), debugstr_guid(iid), obj);
 109
 110     *obj = NULL;
 111
 112     if (IsEqualGUID(clsid, &CLSID_SystemDeviceEnum))
 113         return IClassFactory_QueryInterface(&create_devenum_cf.IClassFactory_iface, iid, obj);
 114     else if (IsEqualGUID(clsid, &CLSID_CDeviceMoniker))
 115         return IClassFactory_QueryInterface(&device_moniker_cf.IClassFactory_iface, iid, obj);
 116
 117     FIXME("class %s not available\n", debugstr_guid(clsid));
 118     return CLASS_E_CLASSNOTAVAILABLE;
 119 }
 120
 121 /***********************************************************************
 122  *              DllCanUnloadNow (DEVENUM.@)
 123  */
 124 HRESULT WINAPI DllCanUnloadNow(void)
 125 {
 126     return dll_refs != 0 ? S_FALSE : S_OK;
 127 }
 128
 129 /***********************************************************************
 130  *              DllRegisterServer (DEVENUM.@)
 131  */
 132 HRESULT WINAPI DllRegisterServer(void)
 133 {
 134     HRESULT res;
 135     IFilterMapper2 * pMapper = NULL;
 136     LPVOID mapvptr;
 137
 138     TRACE("\n");
 139
 140     res = __wine_register_resources();
 141     if (FAILED(res))
 142         return res;
 143
 144     res = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC,
 145                            &IID_IFilterMapper2,  &mapvptr);
 146     if (SUCCEEDED(res))
 147     {
 148         pMapper = mapvptr;
 149
 150         IFilterMapper2_CreateCategory(pMapper, &CLSID_AudioCompressorCategory, MERIT_DO_NOT_USE, L"Audio Compressors");
 151         IFilterMapper2_CreateCategory(pMapper, &CLSID_AudioInputDeviceCategory, MERIT_DO_NOT_USE, L"Audio Capture Sources");
 152         IFilterMapper2_CreateCategory(pMapper, &CLSID_AudioRendererCategory, MERIT_NORMAL, L"Audio Renderers");
 153         IFilterMapper2_CreateCategory(pMapper, &CLSID_DeviceControlCategory, MERIT_DO_NOT_USE, L"Device Control Filters");
 154         IFilterMapper2_CreateCategory(pMapper, &CLSID_LegacyAmFilterCategory, MERIT_NORMAL, L"DirectShow Filters");
 155         IFilterMapper2_CreateCategory(pMapper, &CLSID_MidiRendererCategory, MERIT_NORMAL, L"Midi Renderers");
 156         IFilterMapper2_CreateCategory(pMapper, &CLSID_TransmitCategory, MERIT_DO_NOT_USE, L"External Renderers");
 157         IFilterMapper2_CreateCategory(pMapper, &CLSID_VideoInputDeviceCategory, MERIT_DO_NOT_USE, L"Video Capture Sources");
 158         IFilterMapper2_CreateCategory(pMapper, &CLSID_VideoCompressorCategory, MERIT_DO_NOT_USE, L"Video Compressors");
 159
 160         IFilterMapper2_Release(pMapper);
 161     }
 162
 163     return res;
 164 }
 165
 166 /***********************************************************************
 167  *              DllUnregisterServer (DEVENUM.@)
 168  */
 169 HRESULT WINAPI DllUnregisterServer(void)
 170 {
 171     FIXME("stub!\n");
 172     return __wine_unregister_resources();
 173 }