dlls/browseui/compcatcachedaemon.c

   1 /*
   2  * Component Category Cache 'Daemon'
   3  *
   4  * Copyright (C) 2008 Maarten Lankhorst
   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
  23 #include <stdarg.h>
  24
  25 #define COBJMACROS
  26
  27 #include "wine/debug.h"
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "winreg.h"
  31 #include "winuser.h"
  32 #include "shlwapi.h"
  33 #include "winerror.h"
  34 #include "objbase.h"
  35
  36 #include "shlguid.h"
  37 #include "shlobj.h"
  38
  39 #include "wine/heap.h"
  40 #include "wine/unicode.h"
  41
  42 #include "browseui.h"
  43 #include "resids.h"
  44
  45 WINE_DEFAULT_DEBUG_CHANNEL(browseui);
  46
  47 typedef struct tagCCCD {
  48     IRunnableTask IRunnableTask_iface;
  49     LONG refCount;
  50     CRITICAL_SECTION cs;
  51 } CompCatCacheDaemon;
  52
  53 static inline CompCatCacheDaemon *impl_from_IRunnableTask(IRunnableTask *iface)
  54 {
  55     return CONTAINING_RECORD(iface, CompCatCacheDaemon, IRunnableTask_iface);
  56 }
  57
  58 static void CompCatCacheDaemon_Destructor(CompCatCacheDaemon *This)
  59 {
  60     TRACE("destroying %p\n", This);
  61     This->cs.DebugInfo->Spare[0] = 0;
  62     DeleteCriticalSection(&This->cs);
  63     heap_free(This);
  64     InterlockedDecrement(&BROWSEUI_refCount);
  65 }
  66
  67 static HRESULT WINAPI CompCatCacheDaemon_QueryInterface(IRunnableTask *iface, REFIID iid, LPVOID *ppvOut)
  68 {
  69     CompCatCacheDaemon *This = impl_from_IRunnableTask(iface);
  70     *ppvOut = NULL;
  71
  72     if (IsEqualIID(iid, &IID_IRunnableTask) || IsEqualIID(iid, &IID_IUnknown))
  73     {
  74         *ppvOut = &This->IRunnableTask_iface;
  75     }
  76
  77     if (*ppvOut)
  78     {
  79         IRunnableTask_AddRef(iface);
  80         return S_OK;
  81     }
  82
  83     FIXME("unsupported interface: %s\n", debugstr_guid(iid));
  84     return E_NOINTERFACE;
  85 }
  86
  87 static ULONG WINAPI CompCatCacheDaemon_AddRef(IRunnableTask *iface)
  88 {
  89     CompCatCacheDaemon *This = impl_from_IRunnableTask(iface);
  90     return InterlockedIncrement(&This->refCount);
  91 }
  92
  93 static ULONG WINAPI CompCatCacheDaemon_Release(IRunnableTask *iface)
  94 {
  95     CompCatCacheDaemon *This = impl_from_IRunnableTask(iface);
  96     ULONG ret;
  97
  98     ret = InterlockedDecrement(&This->refCount);
  99     if (ret == 0)
 100         CompCatCacheDaemon_Destructor(This);
 101     return ret;
 102 }
 103
 104 static HRESULT WINAPI CompCatCacheDaemon_Run(IRunnableTask *iface)
 105 {
 106     FIXME("stub\n");
 107     return S_OK;
 108 }
 109
 110 static HRESULT WINAPI CompCatCacheDaemon_Kill(IRunnableTask *iface, BOOL fWait)
 111 {
 112     FIXME("stub\n");
 113     return S_OK;
 114 }
 115
 116 static HRESULT WINAPI CompCatCacheDaemon_Suspend(IRunnableTask *iface)
 117 {
 118     FIXME("stub\n");
 119     return S_OK;
 120 }
 121
 122 static HRESULT WINAPI CompCatCacheDaemon_Resume(IRunnableTask *iface)
 123 {
 124     FIXME("stub\n");
 125     return S_OK;
 126 }
 127
 128 static ULONG WINAPI CompCatCacheDaemon_IsRunning(IRunnableTask *iface)
 129 {
 130     FIXME("stub\n");
 131     return 0;
 132 }
 133
 134 static const IRunnableTaskVtbl CompCatCacheDaemonVtbl =
 135 {
 136     CompCatCacheDaemon_QueryInterface,
 137     CompCatCacheDaemon_AddRef,
 138     CompCatCacheDaemon_Release,
 139     CompCatCacheDaemon_Run,
 140     CompCatCacheDaemon_Kill,
 141     CompCatCacheDaemon_Suspend,
 142     CompCatCacheDaemon_Resume,
 143     CompCatCacheDaemon_IsRunning
 144 };
 145
 146 HRESULT CompCatCacheDaemon_Constructor(IUnknown *pUnkOuter, IUnknown **ppOut)
 147 {
 148     CompCatCacheDaemon *This;
 149     if (pUnkOuter)
 150         return CLASS_E_NOAGGREGATION;
 151
 152     This = heap_alloc(sizeof(CompCatCacheDaemon));
 153     if (This == NULL)
 154         return E_OUTOFMEMORY;
 155
 156     This->IRunnableTask_iface.lpVtbl = &CompCatCacheDaemonVtbl;
 157     This->refCount = 1;
 158     InitializeCriticalSection(&This->cs);
 159     This->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": CompCatCacheDaemon.cs");
 160
 161     TRACE("returning %p\n", This);
 162     *ppOut = (IUnknown *)&This->IRunnableTask_iface;
 163     InterlockedIncrement(&BROWSEUI_refCount);
 164     return S_OK;
 165 }