2 * IEnumMoniker implementation
4 * Copyright 2003 Robert Shearman
6 * This file contains the (internal) driver registration functions,
7 * driver enumeration APIs and DirectDraw creation functions.
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #define COM_NO_WINDOWS_H
32 #include "wine/debug.h"
34 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
36 typedef struct EnumMonikerImpl
38 ICOM_VFIELD(IEnumMoniker);
40 IMoniker ** ppMoniker;
45 static struct ICOM_VTABLE(IEnumMoniker) EnumMonikerImpl_Vtbl;
47 static ULONG WINAPI EnumMonikerImpl_AddRef(LPENUMMONIKER iface);
49 HRESULT EnumMonikerImpl_Create(IMoniker ** ppMoniker, ULONG nMonikerCount, IEnumMoniker ** ppEnum)
51 /* NOTE: assumes that array of IMonikers has already been AddRef'd
52 * I.e. this function does not AddRef the array of incoming
54 EnumMonikerImpl * pemi = CoTaskMemAlloc(sizeof(EnumMonikerImpl));
56 TRACE("(%p, %ld, %p)\n", ppMoniker, nMonikerCount, ppEnum);
63 pemi->lpVtbl = &EnumMonikerImpl_Vtbl;
65 pemi->ppMoniker = CoTaskMemAlloc(nMonikerCount * sizeof(IMoniker*));
66 memcpy(pemi->ppMoniker, ppMoniker, nMonikerCount*sizeof(IMoniker*));
67 pemi->nMonikerCount = nMonikerCount;
70 *ppEnum = (IEnumMoniker *)pemi;
75 /**********************************************************************
76 * IEnumMoniker_QueryInterface (also IUnknown)
78 static HRESULT WINAPI EnumMonikerImpl_QueryInterface(
83 ICOM_THIS(EnumMonikerImpl, iface);
84 TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
86 if (This == NULL || ppvObj == NULL) return E_POINTER;
88 if (IsEqualGUID(riid, &IID_IUnknown) ||
89 IsEqualGUID(riid, &IID_IEnumMoniker))
91 *ppvObj = (LPVOID)iface;
92 EnumMonikerImpl_AddRef(iface);
96 FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
100 /**********************************************************************
101 * IEnumMoniker_AddRef (also IUnknown)
103 static ULONG WINAPI EnumMonikerImpl_AddRef(LPENUMMONIKER iface)
105 ICOM_THIS(EnumMonikerImpl, iface);
109 if (This == NULL) return E_POINTER;
111 return InterlockedIncrement(&This->ref);
114 /**********************************************************************
115 * IEnumMoniker_Release (also IUnknown)
117 static ULONG WINAPI EnumMonikerImpl_Release(LPENUMMONIKER iface)
119 ICOM_THIS(EnumMonikerImpl, iface);
123 if (!InterlockedDecrement(&This->ref))
125 CoTaskMemFree(This->ppMoniker);
126 This->ppMoniker = NULL;
133 static HRESULT WINAPI EnumMonikerImpl_Next(LPENUMMONIKER iface, ULONG celt, IMoniker ** rgelt, ULONG * pceltFetched)
136 ICOM_THIS(EnumMonikerImpl, iface);
138 TRACE("(%ld, %p, %p)\n", celt, rgelt, pceltFetched);
140 for (fetched = 0; (This->index + fetched < This->nMonikerCount) && (fetched < celt); fetched++)
142 rgelt[fetched] = This->ppMoniker[This->index + fetched];
143 IMoniker_AddRef(rgelt[fetched]);
146 This->index += fetched;
149 *pceltFetched = fetched;
157 static HRESULT WINAPI EnumMonikerImpl_Skip(LPENUMMONIKER iface, ULONG celt)
159 ICOM_THIS(EnumMonikerImpl, iface);
161 TRACE("(%ld)\n", celt);
168 static HRESULT WINAPI EnumMonikerImpl_Reset(LPENUMMONIKER iface)
170 ICOM_THIS(EnumMonikerImpl, iface);
179 static HRESULT WINAPI EnumMonikerImpl_Clone(LPENUMMONIKER iface, IEnumMoniker ** ppenum)
181 FIXME("(%p): stub\n", ppenum);
186 /**********************************************************************
189 static ICOM_VTABLE(IEnumMoniker) EnumMonikerImpl_Vtbl =
191 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
192 EnumMonikerImpl_QueryInterface,
193 EnumMonikerImpl_AddRef,
194 EnumMonikerImpl_Release,
195 EnumMonikerImpl_Next,
196 EnumMonikerImpl_Skip,
197 EnumMonikerImpl_Reset,
198 EnumMonikerImpl_Clone