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/unicode.h"
  40
  41 #include "browseui.h"
  42 #include "resids.h"
  43
  44 WINE_DEFAULT_DEBUG_CHANNEL(browseui);
  45
  46 typedef struct tagCCCD {
  47     const IRunnableTaskVtbl *vtbl;
  48     LONG refCount;
  49     CRITICAL_SECTION cs;
  50 } CompCatCacheDaemon;
  51
  52 static void CompCatCacheDaemon_Destructor(CompCatCacheDaemon *This)
  53 {
  54     TRACE("destroying %p\n", This);
  55     DeleteCriticalSection(&This->cs);
  56     heap_free(This);
  57     BROWSEUI_refCount--;
  58 }
  59
  60 static HRESULT WINAPI CompCatCacheDaemon_QueryInterface(IRunnableTask *iface, REFIID iid, LPVOID *ppvOut)
  61 {
  62     CompCatCacheDaemon *This = (CompCatCacheDaemon *)iface;
  63     *ppvOut = NULL;
  64
  65     if (IsEqualIID(iid, &IID_IRunnableTask) || IsEqualIID(iid, &IID_IUnknown))
  66     {
  67         *ppvOut = This;
  68     }
  69
  70     if (*ppvOut)
  71     {
  72         IRunnableTask_AddRef(iface);
  73         return S_OK;
  74     }
  75
  76     FIXME("unsupported interface: %s\n", debugstr_guid(iid));
  77     return E_NOINTERFACE;
  78 }
  79
  80 static ULONG WINAPI CompCatCacheDaemon_AddRef(IRunnableTask *iface)
  81 {
  82     CompCatCacheDaemon *This = (CompCatCacheDaemon *)iface;
  83     return InterlockedIncrement(&This->refCount);
  84 }
  85
  86 static ULONG WINAPI CompCatCacheDaemon_Release(IRunnableTask *iface)
  87 {
  88     CompCatCacheDaemon *This = (CompCatCacheDaemon *)iface;
  89     ULONG ret;
  90
  91     ret = InterlockedDecrement(&This->refCount);
  92     if (ret == 0)
  93         CompCatCacheDaemon_Destructor(This);
  94     return ret;
  95 }
  96
  97 static HRESULT WINAPI CompCatCacheDaemon_Run(IRunnableTask *iface)
  98 {
  99     FIXME("stub\n");
 100     return S_OK;
 101 }
 102
 103 static HRESULT WINAPI CompCatCacheDaemon_Kill(IRunnableTask *iface, BOOL fWait)
 104 {
 105     FIXME("stub\n");
 106     return S_OK;
 107 }
 108
 109 static HRESULT WINAPI CompCatCacheDaemon_Suspend(IRunnableTask *iface)
 110 {
 111     FIXME("stub\n");
 112     return S_OK;
 113 }
 114
 115 static HRESULT WINAPI CompCatCacheDaemon_Resume(IRunnableTask *iface)
 116 {
 117     FIXME("stub\n");
 118     return S_OK;
 119 }
 120
 121 static ULONG WINAPI CompCatCacheDaemon_IsRunning(IRunnableTask *iface)
 122 {
 123     FIXME("stub\n");
 124     return 0;
 125 }
 126
 127 static const IRunnableTaskVtbl CompCatCacheDaemonVtbl =
 128 {
 129     CompCatCacheDaemon_QueryInterface,
 130     CompCatCacheDaemon_AddRef,
 131     CompCatCacheDaemon_Release,
 132     CompCatCacheDaemon_Run,
 133     CompCatCacheDaemon_Kill,
 134     CompCatCacheDaemon_Suspend,
 135     CompCatCacheDaemon_Resume,
 136     CompCatCacheDaemon_IsRunning
 137 };
 138
 139 HRESULT CompCatCacheDaemon_Constructor(IUnknown *pUnkOuter, IUnknown **ppOut)
 140 {
 141     CompCatCacheDaemon *This;
 142     if (pUnkOuter)
 143         return CLASS_E_NOAGGREGATION;
 144
 145     This = heap_alloc(sizeof(CompCatCacheDaemon));
 146     if (This == NULL)
 147         return E_OUTOFMEMORY;
 148
 149     This->vtbl = &CompCatCacheDaemonVtbl;
 150     This->refCount = 1;
 151     InitializeCriticalSection(&This->cs);
 152
 153     TRACE("returning %p\n", This);
 154     *ppOut = (IUnknown *)This;
 155     BROWSEUI_refCount++;
 156     return S_OK;
 157 }