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 <stdarg.h>
  22
  23 #define COBJMACROS
  24
  25 #include "wine/debug.h"
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winreg.h"
  29 #include "winuser.h"
  30 #include "shlwapi.h"
  31 #include "winerror.h"
  32 #include "objbase.h"
  33
  34 #include "shlguid.h"
  35 #include "shlobj.h"
  36
  37 #include "browseui.h"
  38 #include "resids.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(browseui);
  41
  42 typedef struct tagCCCD {
  43     IRunnableTask IRunnableTask_iface;
  44     LONG refCount;
  45     CRITICAL_SECTION cs;
  46 } CompCatCacheDaemon;
  47
  48 static inline CompCatCacheDaemon *impl_from_IRunnableTask(IRunnableTask *iface)
  49 {
  50     return CONTAINING_RECORD(iface, CompCatCacheDaemon, IRunnableTask_iface);
  51 }
  52
  53 static void CompCatCacheDaemon_Destructor(CompCatCacheDaemon *This)
  54 {
  55     TRACE("destroying %p\n", This);
  56     This->cs.DebugInfo->Spare[0] = 0;
  57     DeleteCriticalSection(&This->cs);
  58     free(This);
  59     InterlockedDecrement(&BROWSEUI_refCount);
  60 }
  61
  62 static HRESULT WINAPI CompCatCacheDaemon_QueryInterface(IRunnableTask *iface, REFIID iid, LPVOID *ppvOut)
  63 {
  64     CompCatCacheDaemon *This = impl_from_IRunnableTask(iface);
  65     *ppvOut = NULL;
  66
  67     if (IsEqualIID(iid, &IID_IRunnableTask) || IsEqualIID(iid, &IID_IUnknown))
  68     {
  69         *ppvOut = &This->IRunnableTask_iface;
  70     }
  71
  72     if (*ppvOut)
  73     {
  74         IRunnableTask_AddRef(iface);
  75         return S_OK;
  76     }
  77
  78     FIXME("unsupported interface: %s\n", debugstr_guid(iid));
  79     return E_NOINTERFACE;
  80 }
  81
  82 static ULONG WINAPI CompCatCacheDaemon_AddRef(IRunnableTask *iface)
  83 {
  84     CompCatCacheDaemon *This = impl_from_IRunnableTask(iface);
  85     return InterlockedIncrement(&This->refCount);
  86 }
  87
  88 static ULONG WINAPI CompCatCacheDaemon_Release(IRunnableTask *iface)
  89 {
  90     CompCatCacheDaemon *This = impl_from_IRunnableTask(iface);
  91     ULONG ret;
  92
  93     ret = InterlockedDecrement(&This->refCount);
  94     if (ret == 0)
  95         CompCatCacheDaemon_Destructor(This);
  96     return ret;
  97 }
  98
  99 static HRESULT WINAPI CompCatCacheDaemon_Run(IRunnableTask *iface)
 100 {
 101     FIXME("stub\n");
 102     return S_OK;
 103 }
 104
 105 static HRESULT WINAPI CompCatCacheDaemon_Kill(IRunnableTask *iface, BOOL fWait)
 106 {
 107     FIXME("stub\n");
 108     return S_OK;
 109 }
 110
 111 static HRESULT WINAPI CompCatCacheDaemon_Suspend(IRunnableTask *iface)
 112 {
 113     FIXME("stub\n");
 114     return S_OK;
 115 }
 116
 117 static HRESULT WINAPI CompCatCacheDaemon_Resume(IRunnableTask *iface)
 118 {
 119     FIXME("stub\n");
 120     return S_OK;
 121 }
 122
 123 static ULONG WINAPI CompCatCacheDaemon_IsRunning(IRunnableTask *iface)
 124 {
 125     FIXME("stub\n");
 126     return 0;
 127 }
 128
 129 static const IRunnableTaskVtbl CompCatCacheDaemonVtbl =
 130 {
 131     CompCatCacheDaemon_QueryInterface,
 132     CompCatCacheDaemon_AddRef,
 133     CompCatCacheDaemon_Release,
 134     CompCatCacheDaemon_Run,
 135     CompCatCacheDaemon_Kill,
 136     CompCatCacheDaemon_Suspend,
 137     CompCatCacheDaemon_Resume,
 138     CompCatCacheDaemon_IsRunning
 139 };
 140
 141 HRESULT CompCatCacheDaemon_Constructor(IUnknown *pUnkOuter, IUnknown **ppOut)
 142 {
 143     CompCatCacheDaemon *This;
 144     if (pUnkOuter)
 145         return CLASS_E_NOAGGREGATION;
 146
 147     if (!(This = calloc(1, sizeof(*This))))
 148         return E_OUTOFMEMORY;
 149
 150     This->IRunnableTask_iface.lpVtbl = &CompCatCacheDaemonVtbl;
 151     This->refCount = 1;
 152     InitializeCriticalSection(&This->cs);
 153     This->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": CompCatCacheDaemon.cs");
 154
 155     TRACE("returning %p\n", This);
 156     *ppOut = (IUnknown *)&This->IRunnableTask_iface;
 157     InterlockedIncrement(&BROWSEUI_refCount);
 158     return S_OK;
 159 }