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