dlls/dinput8/dinput8_main.c

   1 /* DirectInput 8
   2  *
   3  * Copyright 2002 TransGaming Technologies Inc.
   4  * Copyright 2006 Roderick Colenbrander
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #include <assert.h>
  23 #include <stdarg.h>
  24 #include <string.h>
  25
  26 #define COBJMACROS
  27
  28 #include "wine/debug.h"
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "winerror.h"
  32 #include "objbase.h"
  33 #include "rpcproxy.h"
  34 #include "dinput.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
  37
  38 static HINSTANCE instance;
  39 static LONG dll_count;
  40
  41 /*
  42  * Dll lifetime tracking declaration
  43  */
  44 static void LockModule(void)
  45 {
  46     InterlockedIncrement(&dll_count);
  47 }
  48
  49 static void UnlockModule(void)
  50 {
  51     InterlockedDecrement(&dll_count);
  52 }
  53
  54 /******************************************************************************
  55  *      DirectInput8Create (DINPUT8.@)
  56  */
  57 HRESULT WINAPI DECLSPEC_HOTPATCH DirectInput8Create(HINSTANCE hinst, DWORD dwVersion, REFIID riid, LPVOID *ppDI, LPUNKNOWN punkOuter) {
  58     HRESULT hr, hrCo;
  59
  60     TRACE("hInst (%p), dwVersion: %d, riid (%s), punkOuter (%p))\n", hinst, dwVersion, debugstr_guid(riid), punkOuter);
  61
  62     /* The specified version needs to be dinput8 (0x800) or higher */
  63     if(dwVersion < 0x800)
  64         return DIERR_OLDDIRECTINPUTVERSION;
  65
  66     if( !(IsEqualGUID(&IID_IDirectInput8A, riid) || IsEqualGUID(&IID_IDirectInput8W, riid) || IsEqualGUID(&IID_IUnknown, riid)) )
  67         return DIERR_INVALIDPARAM;
  68
  69     hrCo = CoInitialize(NULL);
  70
  71     hr = CoCreateInstance( &CLSID_DirectInput8, punkOuter, CLSCTX_INPROC_SERVER, riid, ppDI);
  72     if(FAILED(hr)) {
  73         ERR("CoCreateInstance failed with hr = %d\n", hr);
  74         return DIERR_INVALIDPARAM;
  75     }
  76
  77     /*  ensure balance of calls */
  78     if(hrCo == S_OK || hrCo == S_FALSE)
  79         CoUninitialize();
  80
  81     /* When aggregation is used (punkOuter!=NULL) the application needs to manually call Initialize. */
  82     if(punkOuter == NULL && IsEqualGUID(&IID_IDirectInput8A, riid)) {
  83         LPDIRECTINPUTA DI = *ppDI;
  84         IDirectInput8_Initialize(DI, hinst, dwVersion);
  85     }
  86
  87     if(punkOuter == NULL && IsEqualGUID(&IID_IDirectInput8W, riid)) {
  88         LPDIRECTINPUTW DI = *ppDI;
  89         IDirectInput8_Initialize(DI, hinst, dwVersion);
  90     }
  91
  92     return S_OK;
  93 }
  94
  95 /*******************************************************************************
  96  * DirectInput8 ClassFactory
  97  */
  98 typedef struct
  99 {
 100     /* IUnknown fields */
 101     IClassFactory IClassFactory_iface;
 102 } IClassFactoryImpl;
 103
 104 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
 105 {
 106     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
 107 }
 108
 109 static HRESULT WINAPI DI8CF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
 110     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 111     FIXME("%p %s %p\n",This,debugstr_guid(riid),ppobj);
 112     return E_NOINTERFACE;
 113 }
 114
 115 static ULONG WINAPI DI8CF_AddRef(LPCLASSFACTORY iface) {
 116     LockModule();
 117     return 2;
 118 }
 119
 120 static ULONG WINAPI DI8CF_Release(LPCLASSFACTORY iface) {
 121     UnlockModule();
 122     return 1;
 123 }
 124
 125 static HRESULT WINAPI DI8CF_CreateInstance(LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj) {
 126     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 127
 128     TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 129     if( IsEqualGUID( &IID_IDirectInput8A, riid ) || IsEqualGUID( &IID_IDirectInput8W, riid ) || IsEqualGUID( &IID_IUnknown, riid )) {
 130         return DirectInputCreateEx(0, DIRECTINPUT_VERSION, riid, ppobj, pOuter);
 131     }
 132
 133     ERR("(%p,%p,%s,%p) Interface not found!\n",This,pOuter,debugstr_guid(riid),ppobj);
 134     return E_NOINTERFACE;
 135 }
 136
 137 static HRESULT WINAPI DI8CF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
 138     TRACE("(%p)->(%d)\n", iface, dolock);
 139
 140     if(dolock)
 141         LockModule();
 142     else
 143         UnlockModule();
 144
 145     return S_OK;
 146 }
 147
 148 static const IClassFactoryVtbl DI8CF_Vtbl = {
 149     DI8CF_QueryInterface,
 150     DI8CF_AddRef,
 151     DI8CF_Release,
 152     DI8CF_CreateInstance,
 153     DI8CF_LockServer
 154 };
 155 static IClassFactoryImpl DINPUT8_CF = { { &DI8CF_Vtbl } };
 156
 157
 158 /***********************************************************************
 159  *              DllCanUnloadNow (DINPUT8.@)
 160  */
 161 HRESULT WINAPI DllCanUnloadNow(void)
 162 {
 163     return dll_count == 0 ? S_OK : S_FALSE;
 164 }
 165
 166 /***********************************************************************
 167  *              DllGetClassObject (DINPUT8.@)
 168  */
 169 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 170 {
 171     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 172     if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 173         *ppv = &DINPUT8_CF;
 174         IClassFactory_AddRef((IClassFactory*)*ppv);
 175         return S_OK;
 176     }
 177
 178     FIXME("(%s,%s,%p): no interface found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 179     return CLASS_E_CLASSNOTAVAILABLE;
 180 }
 181
 182 /***********************************************************************
 183  *              DllMain
 184  */
 185 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD reason, LPVOID lpv)
 186 {
 187     switch (reason)
 188     {
 189     case DLL_PROCESS_ATTACH:
 190         instance = hInstDLL;
 191         DisableThreadLibraryCalls( hInstDLL );
 192         break;
 193     }
 194     return TRUE;
 195 }
 196
 197 /***********************************************************************
 198  *              DllRegisterServer (DINPUT8.@)
 199  */
 200 HRESULT WINAPI DllRegisterServer(void)
 201 {
 202     return __wine_register_resources( instance, NULL );
 203 }
 204
 205 /***********************************************************************
 206  *              DllUnregisterServer (DINPUT8.@)
 207  */
 208 HRESULT WINAPI DllUnregisterServer(void)
 209 {
 210     return __wine_unregister_resources( instance, NULL );
 211 }