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     IRunnableTask IRunnableTask_iface;
  48     LONG refCount;
  49     CRITICAL_SECTION cs;
  50 } CompCatCacheDaemon;
  51
  52 static inline CompCatCacheDaemon *impl_from_IRunnableTask(IRunnableTask *iface)
  53 {
  54     return CONTAINING_RECORD(iface, CompCatCacheDaemon, IRunnableTask_iface);
  55 }
  56
  57 static void CompCatCacheDaemon_Destructor(CompCatCacheDaemon *This)
  58 {
  59     TRACE("destroying %p\n", This);
  60     DeleteCriticalSection(&This->cs);
  61     heap_free(This);
  62     BROWSEUI_refCount--;
  63 }
  64
  65 static HRESULT WINAPI CompCatCacheDaemon_QueryInterface(IRunnableTask *iface, REFIID iid, LPVOID *ppvOut)
  66 {
  67     CompCatCacheDaemon *This = impl_from_IRunnableTask(iface);
  68     *ppvOut = NULL;
  69
  70     if (IsEqualIID(iid, &IID_IRunnableTask) || IsEqualIID(iid, &IID_IUnknown))
  71     {
  72         *ppvOut = This;
  73     }
  74
  75     if (*ppvOut)
  76     {
  77         IRunnableTask_AddRef(iface);
  78         return S_OK;
  79     }
  80
  81     FIXME("unsupported interface: %s\n", debugstr_guid(iid));
  82     return E_NOINTERFACE;
  83 }
  84
  85 static ULONG WINAPI CompCatCacheDaemon_AddRef(IRunnableTask *iface)
  86 {
  87     CompCatCacheDaemon *This = impl_from_IRunnableTask(iface);
  88     return InterlockedIncrement(&This->refCount);
  89 }
  90
  91 static ULONG WINAPI CompCatCacheDaemon_Release(IRunnableTask *iface)
  92 {
  93     CompCatCacheDaemon *This = impl_from_IRunnableTask(iface);
  94     ULONG ret;
  95
  96     ret = InterlockedDecrement(&This->refCount);
  97     if (ret == 0)
  98         CompCatCacheDaemon_Destructor(This);
  99     return ret;
 100 }
 101
 102 static HRESULT WINAPI CompCatCacheDaemon_Run(IRunnableTask *iface)
 103 {
 104     FIXME("stub\n");
 105     return S_OK;
 106 }
 107
 108 static HRESULT WINAPI CompCatCacheDaemon_Kill(IRunnableTask *iface, BOOL fWait)
 109 {
 110     FIXME("stub\n");
 111     return S_OK;
 112 }
 113
 114 static HRESULT WINAPI CompCatCacheDaemon_Suspend(IRunnableTask *iface)
 115 {
 116     FIXME("stub\n");
 117     return S_OK;
 118 }
 119
 120 static HRESULT WINAPI CompCatCacheDaemon_Resume(IRunnableTask *iface)
 121 {
 122     FIXME("stub\n");
 123     return S_OK;
 124 }
 125
 126 static ULONG WINAPI CompCatCacheDaemon_IsRunning(IRunnableTask *iface)
 127 {
 128     FIXME("stub\n");
 129     return 0;
 130 }
 131
 132 static const IRunnableTaskVtbl CompCatCacheDaemonVtbl =
 133 {
 134     CompCatCacheDaemon_QueryInterface,
 135     CompCatCacheDaemon_AddRef,
 136     CompCatCacheDaemon_Release,
 137     CompCatCacheDaemon_Run,
 138     CompCatCacheDaemon_Kill,
 139     CompCatCacheDaemon_Suspend,
 140     CompCatCacheDaemon_Resume,
 141     CompCatCacheDaemon_IsRunning
 142 };
 143
 144 HRESULT CompCatCacheDaemon_Constructor(IUnknown *pUnkOuter, IUnknown **ppOut)
 145 {
 146     CompCatCacheDaemon *This;
 147     if (pUnkOuter)
 148         return CLASS_E_NOAGGREGATION;
 149
 150     This = heap_alloc(sizeof(CompCatCacheDaemon));
 151     if (This == NULL)
 152         return E_OUTOFMEMORY;
 153
 154     This->IRunnableTask_iface.lpVtbl = &CompCatCacheDaemonVtbl;
 155     This->refCount = 1;
 156     InitializeCriticalSection(&This->cs);
 157
 158     TRACE("returning %p\n", This);
 159     *ppOut = (IUnknown *)This;
 160     BROWSEUI_refCount++;
 161     return S_OK;
 162 }