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 "dinput.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
  35 static LONG dll_count;
  36
  37 /*
  38  * Dll lifetime tracking declaration
  39  */
  40 static void LockModule(void)
  41 {
  42     InterlockedIncrement(&dll_count);
  43 }
  44
  45 static void UnlockModule(void)
  46 {
  47     InterlockedDecrement(&dll_count);
  48 }
  49
  50 /******************************************************************************
  51  *      DirectInput8Create (DINPUT8.@)
  52  */
  53 HRESULT WINAPI DirectInput8Create(HINSTANCE hinst, DWORD dwVersion, REFIID riid, LPVOID *ppDI, LPUNKNOWN punkOuter) {
  54     HRESULT hr;
  55
  56     TRACE("hInst (%p), dwVersion: %d, riid (%s), punkOuter (%p))\n", hinst, dwVersion, debugstr_guid(riid), punkOuter);
  57
  58     /* The specified version needs to be dinput8 (0x800) or higher */
  59     if(dwVersion < 0x800)
  60         return DIERR_OLDDIRECTINPUTVERSION;
  61
  62     if( !(IsEqualGUID(&IID_IDirectInput8A, riid) || IsEqualGUID(&IID_IDirectInput8W, riid) || IsEqualGUID(&IID_IUnknown, riid)) )
  63         return DIERR_INVALIDPARAM;
  64
  65     CoInitialize(NULL);
  66
  67     hr = CoCreateInstance( &CLSID_DirectInput8, punkOuter, CLSCTX_INPROC_SERVER, riid, ppDI);
  68     if(FAILED(hr)) {
  69         ERR("CoCreateInstance failed with hr = %d; Try running wineprefixcreate to fix it.\n", hr);
  70         return DIERR_INVALIDPARAM;
  71     }
  72
  73     CoUninitialize();
  74
  75     /* When aggregation is used (punkOuter!=NULL) the application needs to manually call Initialize. */
  76     if(punkOuter == NULL && IsEqualGUID(&IID_IDirectInput8A, riid)) {
  77         LPDIRECTINPUTA DI = (LPDIRECTINPUTA)*ppDI;
  78         IDirectInput8_Initialize(DI, hinst, dwVersion);
  79     }
  80
  81     if(punkOuter == NULL && IsEqualGUID(&IID_IDirectInput8W, riid)) {
  82         LPDIRECTINPUTW DI = (LPDIRECTINPUTW)*ppDI;
  83         IDirectInput8_Initialize(DI, hinst, dwVersion);
  84     }
  85
  86     return S_OK;
  87 }
  88
  89 /*******************************************************************************
  90  * DirectInput8 ClassFactory
  91  */
  92 typedef struct
  93 {
  94     /* IUnknown fields */
  95     const IClassFactoryVtbl    *lpVtbl;
  96 } IClassFactoryImpl;
  97
  98 static HRESULT WINAPI DI8CF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
  99     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 100     FIXME("%p %s %p\n",This,debugstr_guid(riid),ppobj);
 101     return E_NOINTERFACE;
 102 }
 103
 104 static ULONG WINAPI DI8CF_AddRef(LPCLASSFACTORY iface) {
 105     LockModule();
 106     return 2;
 107 }
 108
 109 static ULONG WINAPI DI8CF_Release(LPCLASSFACTORY iface) {
 110     UnlockModule();
 111     return 1;
 112 }
 113
 114 static HRESULT WINAPI DI8CF_CreateInstance(LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj) {
 115     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 116
 117     TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 118     if( IsEqualGUID( &IID_IDirectInput8A, riid ) || IsEqualGUID( &IID_IDirectInput8W, riid ) || IsEqualGUID( &IID_IUnknown, riid )) {
 119         return DirectInputCreateEx(0, DIRECTINPUT_VERSION, riid, ppobj, pOuter);
 120     }
 121
 122     ERR("(%p,%p,%s,%p) Interface not found!\n",This,pOuter,debugstr_guid(riid),ppobj);
 123     return E_NOINTERFACE;
 124 }
 125
 126 static HRESULT WINAPI DI8CF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
 127     TRACE("(%p)->(%d)\n", iface, dolock);
 128
 129     if(dolock)
 130         LockModule();
 131     else
 132         UnlockModule();
 133
 134     return S_OK;
 135 }
 136
 137 static const IClassFactoryVtbl DI8CF_Vtbl = {
 138     DI8CF_QueryInterface,
 139     DI8CF_AddRef,
 140     DI8CF_Release,
 141     DI8CF_CreateInstance,
 142     DI8CF_LockServer
 143 };
 144 static IClassFactoryImpl DINPUT8_CF = { &DI8CF_Vtbl };
 145
 146
 147 /***********************************************************************
 148  *              DllCanUnloadNow (DINPUT8.@)
 149  */
 150 HRESULT WINAPI DllCanUnloadNow(void)
 151 {
 152     return dll_count == 0 ? S_OK : S_FALSE;
 153 }
 154
 155 /***********************************************************************
 156  *              DllGetClassObject (DINPUT8.@)
 157  */
 158 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 159 {
 160     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 161     if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 162         *ppv = (LPVOID)&DINPUT8_CF;
 163         IClassFactory_AddRef((IClassFactory*)*ppv);
 164         return S_OK;
 165     }
 166
 167     FIXME("(%s,%s,%p): no interface found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 168     return CLASS_E_CLASSNOTAVAILABLE;
 169 }