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