dpclassfactory.c 4.02 KB
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/* COM class factory for direct play lobby interfaces.
 *
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 * Copyright 1999, 2000 Peter Hunnisett
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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 */

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#include <stdarg.h>
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#include <string.h>
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#define COBJMACROS

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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "objbase.h"
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#include "winerror.h"
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#include "wine/debug.h"
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#include "dplay.h"
#include "dplobby.h"
#include "initguid.h"
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#include "dpinit.h"

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WINE_DEFAULT_DEBUG_CHANNEL(dplay);
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/*******************************************************************************
 * DirectPlayLobby ClassFactory
 */

typedef struct
{
    /* IUnknown fields */
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    const IClassFactoryVtbl    *lpVtbl;
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    LONG                        ref;
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} IClassFactoryImpl;

static HRESULT WINAPI
DP_and_DPL_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
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        IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
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        FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
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        return E_NOINTERFACE;
}

static ULONG WINAPI
DP_and_DPL_AddRef(LPCLASSFACTORY iface) {
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        IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
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        return InterlockedIncrement(&This->ref);
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}

static ULONG WINAPI DP_and_DPL_Release(LPCLASSFACTORY iface) {
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        IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
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        /* static class (reference starts @ 1), won't ever be freed */
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        return InterlockedDecrement(&This->ref);
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}

static HRESULT WINAPI DP_and_DPL_CreateInstance(
        LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
) {
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        IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
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        TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
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        if ( DPL_CreateInterface( riid, ppobj ) == S_OK )
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        {
           return S_OK;
        }
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        else if ( DP_CreateInterface( riid, ppobj ) == S_OK )
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        {
           return S_OK;
        }

        return E_NOINTERFACE;
}

static HRESULT WINAPI DP_and_DPL_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
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        IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
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        FIXME("(%p)->(%d),stub!\n",This,dolock);
        return S_OK;
}

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static const IClassFactoryVtbl DP_and_DPL_Vtbl = {
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        DP_and_DPL_QueryInterface,
        DP_and_DPL_AddRef,
        DP_and_DPL_Release,
        DP_and_DPL_CreateInstance,
        DP_and_DPL_LockServer
};

static IClassFactoryImpl DP_and_DPL_CF = {&DP_and_DPL_Vtbl, 1 };


/*******************************************************************************
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 * DllGetClassObject [DPLAYX.@]
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 * Retrieves DP or DPL class object from a DLL object
 *
 * NOTES
 *    Docs say returns STDAPI
 *
 * PARAMS
 *    rclsid [I] CLSID for the class object
 *    riid   [I] Reference to identifier of interface for class object
 *    ppv    [O] Address of variable to receive interface pointer for riid
 *
 * RETURNS
 *    Success: S_OK
 *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 *             E_UNEXPECTED
 */
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HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
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{
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    TRACE("(%p,%p,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
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    if ( IsEqualCLSID( riid, &IID_IClassFactory ) )
    {
        *ppv = (LPVOID)&DP_and_DPL_CF;
        IClassFactory_AddRef( (IClassFactory*)*ppv );

        return S_OK;
    }

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    ERR("(%p,%p,%p): no interface found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
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    return CLASS_E_CLASSNOTAVAILABLE;
}