dll/win32/mstask/factory.c

   1 /*
   2  * Copyright (C) 2008 Google (Roy Shea)
   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 "mstask_private.h"
  20 #include <wine/debug.h>
  21
  22 WINE_DEFAULT_DEBUG_CHANNEL(mstask);
  23
  24 struct ClassFactoryImpl
  25 {
  26     IClassFactory IClassFactory_iface;
  27     LONG ref;
  28 };
  29
  30 static inline ClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
  31 {
  32     return CONTAINING_RECORD(iface, ClassFactoryImpl, IClassFactory_iface);
  33 }
  34
  35 static HRESULT WINAPI MSTASK_IClassFactory_QueryInterface(
  36         LPCLASSFACTORY iface,
  37         REFIID riid,
  38         LPVOID *ppvObj)
  39 {
  40     ClassFactoryImpl *This = impl_from_IClassFactory(iface);
  41
  42     TRACE("IID: %s\n",debugstr_guid(riid));
  43     if (ppvObj == NULL)
  44         return E_POINTER;
  45
  46     if (IsEqualGUID(riid, &IID_IUnknown) ||
  47             IsEqualGUID(riid, &IID_IClassFactory))
  48     {
  49         *ppvObj = &This->IClassFactory_iface;
  50         IClassFactory_AddRef(iface);
  51         return S_OK;
  52     }
  53
  54     WARN("Unknown interface: %s\n", debugstr_guid(riid));
  55     *ppvObj = NULL;
  56     return E_NOINTERFACE;
  57 }
  58
  59 static ULONG WINAPI MSTASK_IClassFactory_AddRef(IClassFactory *face)
  60 {
  61     TRACE("\n");
  62     InterlockedIncrement(&dll_ref);
  63     return 2;
  64 }
  65
  66 static ULONG WINAPI MSTASK_IClassFactory_Release(IClassFactory *iface)
  67 {
  68     TRACE("\n");
  69     InterlockedDecrement(&dll_ref);
  70     return 1;
  71 }
  72
  73 static HRESULT WINAPI MSTASK_IClassFactory_CreateInstance(
  74         IClassFactory *iface,
  75         IUnknown *pUnkOuter,
  76         REFIID riid,
  77         LPVOID *ppvObj)
  78 {
  79     HRESULT res;
  80     IUnknown *punk = NULL;
  81     *ppvObj = NULL;
  82
  83     TRACE("IID: %s\n",debugstr_guid(riid));
  84
  85     if (pUnkOuter)
  86         return CLASS_E_NOAGGREGATION;
  87
  88     res = TaskSchedulerConstructor((LPVOID*) &punk);
  89     if (FAILED(res))
  90         return res;
  91
  92     res = IUnknown_QueryInterface(punk, riid, ppvObj);
  93     IUnknown_Release(punk);
  94     return res;
  95 }
  96
  97 static HRESULT WINAPI MSTASK_IClassFactory_LockServer(
  98         IClassFactory *iface,
  99         BOOL fLock)
 100 {
 101     TRACE("\n");
 102
 103     if (fLock)
 104         IClassFactory_AddRef(iface);
 105     else
 106         IClassFactory_Release(iface);
 107     return S_OK;
 108 }
 109
 110 static const IClassFactoryVtbl IClassFactory_Vtbl =
 111 {
 112     MSTASK_IClassFactory_QueryInterface,
 113     MSTASK_IClassFactory_AddRef,
 114     MSTASK_IClassFactory_Release,
 115     MSTASK_IClassFactory_CreateInstance,
 116     MSTASK_IClassFactory_LockServer
 117 };
 118
 119 ClassFactoryImpl MSTASK_ClassFactory = { { &IClassFactory_Vtbl } };