dlls/wmp/wmp_main.c

   1 /*
   2  * Copyright 2014 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "initguid.h"
  20 #include "wmp_private.h"
  21 #include "rpcproxy.h"
  22
  23 #include "wine/debug.h"
  24
  25 WINE_DEFAULT_DEBUG_CHANNEL(wmp);
  26
  27 HINSTANCE wmp_instance;
  28 DEFINE_GUID(GUID_NULL,0,0,0,0,0,0,0,0,0,0,0);
  29
  30 static REFIID tid_ids[] = {
  31 #define XIID(iface) &IID_ ## iface,
  32 #define CTID(name) &CLSID_ ## name,
  33 TID_LIST
  34 #undef XIID
  35 #undef CTID
  36 };
  37
  38 static ITypeLib *typelib;
  39 static ITypeInfo *typeinfos[LAST_tid];
  40
  41 static HRESULT load_typelib(void)
  42 {
  43     ITypeLib *tl;
  44     HRESULT hr;
  45
  46     hr = LoadRegTypeLib(&LIBID_WMPLib, 1, 0, LOCALE_SYSTEM_DEFAULT, &tl);
  47     if (FAILED(hr)) {
  48         ERR("LoadRegTypeLib failed: %08lx\n", hr);
  49         return hr;
  50     }
  51
  52     if (InterlockedCompareExchangePointer((void **)&typelib, tl, NULL))
  53         ITypeLib_Release(tl);
  54     return hr;
  55 }
  56
  57 HRESULT get_typeinfo(typeinfo_id tid, ITypeInfo **typeinfo)
  58 {
  59     HRESULT hr;
  60
  61     if (!typelib)
  62         hr = load_typelib();
  63     if (!typelib)
  64         return hr;
  65
  66     if (!typeinfos[tid]) {
  67         ITypeInfo *ti;
  68
  69         hr = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &ti);
  70         if (FAILED(hr)) {
  71             ERR("GetTypeInfoOfGuid (%s) failed: %08lx\n", debugstr_guid(tid_ids[tid]), hr);
  72             return hr;
  73         }
  74
  75         if (InterlockedCompareExchangePointer((void **)(typeinfos + tid), ti, NULL))
  76             ITypeInfo_Release(ti);
  77     }
  78
  79     *typeinfo = typeinfos[tid];
  80     ITypeInfo_AddRef(*typeinfo);
  81     return S_OK;
  82 }
  83
  84 static void release_typelib(void)
  85 {
  86     unsigned int i;
  87
  88     for (i = 0; i < ARRAY_SIZE(typeinfos); i++)
  89         if (typeinfos[i])
  90             ITypeInfo_Release(typeinfos[i]);
  91
  92     ITypeLib_Release(typelib);
  93 }
  94
  95 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, void **ppv)
  96 {
  97     *ppv = NULL;
  98
  99     if(IsEqualGUID(&IID_IUnknown, riid)) {
 100         TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
 101         *ppv = iface;
 102     }else if(IsEqualGUID(&IID_IClassFactory, riid)) {
 103         TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
 104         *ppv = iface;
 105     }
 106
 107     if(*ppv) {
 108         IUnknown_AddRef((IUnknown*)*ppv);
 109         return S_OK;
 110     }
 111
 112     FIXME("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
 113     return E_NOINTERFACE;
 114 }
 115
 116 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
 117 {
 118     TRACE("(%p)\n", iface);
 119     return 2;
 120 }
 121
 122 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
 123 {
 124     TRACE("(%p)\n", iface);
 125     return 1;
 126 }
 127
 128 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL fLock)
 129 {
 130     TRACE("(%p)->(%x)\n", iface, fLock);
 131     return S_OK;
 132 }
 133
 134 static const IClassFactoryVtbl WMPFactoryVtbl = {
 135     ClassFactory_QueryInterface,
 136     ClassFactory_AddRef,
 137     ClassFactory_Release,
 138     WMPFactory_CreateInstance,
 139     ClassFactory_LockServer
 140 };
 141
 142 static IClassFactory WMPFactory = { &WMPFactoryVtbl };
 143
 144 /******************************************************************
 145  *              DllMain (wmp.@)
 146  */
 147 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
 148 {
 149     TRACE("(%p %ld %p)\n", hInstDLL, fdwReason, lpv);
 150
 151     switch(fdwReason) {
 152     case DLL_PROCESS_ATTACH:
 153         DisableThreadLibraryCalls(hInstDLL);
 154         wmp_instance = hInstDLL;
 155         break;
 156     case DLL_PROCESS_DETACH:
 157         unregister_wmp_class();
 158         unregister_player_msg_class();
 159         release_typelib();
 160         break;
 161     }
 162
 163     return TRUE;
 164 }
 165
 166 /***********************************************************************
 167  *              DllGetClassObject       (wmp.@)
 168  */
 169 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 170 {
 171     if(IsEqualGUID(&CLSID_WindowsMediaPlayer, rclsid)) {
 172         TRACE("(CLSID_WindowsMediaPlayer %s %p)\n", debugstr_guid(riid), ppv);
 173         return IClassFactory_QueryInterface(&WMPFactory, riid, ppv);
 174     }
 175
 176     FIXME("Unknown object %s\n", debugstr_guid(rclsid));
 177     return CLASS_E_CLASSNOTAVAILABLE;
 178 }