reactos/dll/win32/msctf/displayattributemgr.c

   1 /*
   2  *  ITfDisplayAttributeMgr implementation
   3  *
   4  *  Copyright 2010 CodeWeavers, Aric Stewart
   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 "msctf_internal.h"
  22
  23 typedef struct tagDisplayAttributeMgr {
  24     ITfDisplayAttributeMgr ITfDisplayAttributeMgr_iface;
  25
  26     LONG refCount;
  27
  28 } DisplayAttributeMgr;
  29
  30 static inline DisplayAttributeMgr *impl_from_ITfDisplayAttributeMgr(ITfDisplayAttributeMgr *iface)
  31 {
  32     return CONTAINING_RECORD(iface, DisplayAttributeMgr, ITfDisplayAttributeMgr_iface);
  33 }
  34
  35 static void DisplayAttributeMgr_Destructor(DisplayAttributeMgr *This)
  36 {
  37     TRACE("destroying %p\n", This);
  38
  39     HeapFree(GetProcessHeap(),0,This);
  40 }
  41
  42 static HRESULT WINAPI DisplayAttributeMgr_QueryInterface(ITfDisplayAttributeMgr *iface, REFIID iid, LPVOID *ppvOut)
  43 {
  44     DisplayAttributeMgr *This = impl_from_ITfDisplayAttributeMgr(iface);
  45     *ppvOut = NULL;
  46
  47     if (IsEqualIID(iid, &IID_IUnknown) || IsEqualIID(iid, &IID_ITfDisplayAttributeMgr))
  48     {
  49         *ppvOut = This;
  50     }
  51
  52     if (*ppvOut)
  53     {
  54         ITfDisplayAttributeMgr_AddRef(iface);
  55         return S_OK;
  56     }
  57
  58     WARN("unsupported interface: %s\n", debugstr_guid(iid));
  59     return E_NOINTERFACE;
  60 }
  61
  62 static ULONG WINAPI DisplayAttributeMgr_AddRef(ITfDisplayAttributeMgr *iface)
  63 {
  64     DisplayAttributeMgr *This = impl_from_ITfDisplayAttributeMgr(iface);
  65     return InterlockedIncrement(&This->refCount);
  66 }
  67
  68 static ULONG WINAPI DisplayAttributeMgr_Release(ITfDisplayAttributeMgr *iface)
  69 {
  70     DisplayAttributeMgr *This = impl_from_ITfDisplayAttributeMgr(iface);
  71     ULONG ret;
  72
  73     ret = InterlockedDecrement(&This->refCount);
  74     if (ret == 0)
  75         DisplayAttributeMgr_Destructor(This);
  76     return ret;
  77 }
  78
  79 /*****************************************************
  80  * ITfDisplayAttributeMgr functions
  81  *****************************************************/
  82
  83 static HRESULT WINAPI DisplayAttributeMgr_OnUpdateInfo(ITfDisplayAttributeMgr *iface)
  84 {
  85     DisplayAttributeMgr *This = impl_from_ITfDisplayAttributeMgr(iface);
  86
  87     FIXME("STUB:(%p)\n",This);
  88     return E_NOTIMPL;
  89 }
  90
  91 static HRESULT WINAPI DisplayAttributeMgr_EnumDisplayAttributeInfo(ITfDisplayAttributeMgr *iface, IEnumTfDisplayAttributeInfo **ppEnum)
  92 {
  93     DisplayAttributeMgr *This = impl_from_ITfDisplayAttributeMgr(iface);
  94
  95     FIXME("STUB:(%p)\n",This);
  96     return E_NOTIMPL;
  97 }
  98
  99 static HRESULT WINAPI DisplayAttributeMgr_GetDisplayAttributeInfo(ITfDisplayAttributeMgr *iface, REFGUID guid, ITfDisplayAttributeInfo **ppInfo, CLSID *pclsidOwner)
 100 {
 101     DisplayAttributeMgr *This = impl_from_ITfDisplayAttributeMgr(iface);
 102
 103     FIXME("STUB:(%p)\n",This);
 104     return E_NOTIMPL;
 105 }
 106
 107 static const ITfDisplayAttributeMgrVtbl DisplayAttributeMgr_DisplayAttributeMgrVtbl =
 108 {
 109     DisplayAttributeMgr_QueryInterface,
 110     DisplayAttributeMgr_AddRef,
 111     DisplayAttributeMgr_Release,
 112
 113     DisplayAttributeMgr_OnUpdateInfo,
 114     DisplayAttributeMgr_EnumDisplayAttributeInfo,
 115     DisplayAttributeMgr_GetDisplayAttributeInfo
 116 };
 117
 118 HRESULT DisplayAttributeMgr_Constructor(IUnknown *pUnkOuter, IUnknown **ppOut)
 119 {
 120     DisplayAttributeMgr *This;
 121     if (pUnkOuter)
 122         return CLASS_E_NOAGGREGATION;
 123
 124     This = HeapAlloc(GetProcessHeap(),0,sizeof(DisplayAttributeMgr));
 125     if (This == NULL)
 126         return E_OUTOFMEMORY;
 127
 128     This->ITfDisplayAttributeMgr_iface.lpVtbl = &DisplayAttributeMgr_DisplayAttributeMgrVtbl;
 129     This->refCount = 1;
 130
 131     TRACE("returning %p\n", This);
 132     *ppOut = (IUnknown *)This;
 133     return S_OK;
 134 }