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     if (typelib)
  93         ITypeLib_Release(typelib);
  94 }
  95
  96 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, void **ppv)
  97 {
  98     *ppv = NULL;
  99
 100     if(IsEqualGUID(&IID_IUnknown, riid)) {
 101         TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
 102         *ppv = iface;
 103     }else if(IsEqualGUID(&IID_IClassFactory, riid)) {
 104         TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
 105         *ppv = iface;
 106     }
 107
 108     if(*ppv) {
 109         IUnknown_AddRef((IUnknown*)*ppv);
 110         return S_OK;
 111     }
 112
 113     FIXME("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
 114     return E_NOINTERFACE;
 115 }
 116
 117 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
 118 {
 119     TRACE("(%p)\n", iface);
 120     return 2;
 121 }
 122
 123 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
 124 {
 125     TRACE("(%p)\n", iface);
 126     return 1;
 127 }
 128
 129 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL fLock)
 130 {
 131     TRACE("(%p)->(%x)\n", iface, fLock);
 132     return S_OK;
 133 }
 134
 135 static const IClassFactoryVtbl WMPFactoryVtbl = {
 136     ClassFactory_QueryInterface,
 137     ClassFactory_AddRef,
 138     ClassFactory_Release,
 139     WMPFactory_CreateInstance,
 140     ClassFactory_LockServer
 141 };
 142
 143 static IClassFactory WMPFactory = { &WMPFactoryVtbl };
 144
 145 /******************************************************************
 146  *              DllMain (wmp.@)
 147  */
 148 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
 149 {
 150     TRACE("(%p %ld %p)\n", hInstDLL, fdwReason, lpv);
 151
 152     switch(fdwReason) {
 153     case DLL_PROCESS_ATTACH:
 154         DisableThreadLibraryCalls(hInstDLL);
 155         wmp_instance = hInstDLL;
 156         break;
 157     case DLL_PROCESS_DETACH:
 158         if (lpv) break;
 159         unregister_wmp_class();
 160         unregister_player_msg_class();
 161         release_typelib();
 162         break;
 163     }
 164
 165     return TRUE;
 166 }
 167
 168 /***********************************************************************
 169  *              DllGetClassObject       (wmp.@)
 170  */
 171 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 172 {
 173     if(IsEqualGUID(&CLSID_WindowsMediaPlayer, rclsid)) {
 174         TRACE("(CLSID_WindowsMediaPlayer %s %p)\n", debugstr_guid(riid), ppv);
 175         return IClassFactory_QueryInterface(&WMPFactory, riid, ppv);
 176     }
 177
 178     FIXME("Unknown object %s\n", debugstr_guid(rclsid));
 179     return CLASS_E_CLASSNOTAVAILABLE;
 180 }