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
33 #include "wine/debug.h"
35 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
37 typedef struct EnumMonikerImpl
39 ICOM_VFIELD(IEnumMoniker);
41 IMoniker ** ppMoniker;
46 static struct ICOM_VTABLE(IEnumMoniker) EnumMonikerImpl_Vtbl;
48 static ULONG WINAPI EnumMonikerImpl_AddRef(LPENUMMONIKER iface);
50 HRESULT EnumMonikerImpl_Create(IMoniker ** ppMoniker, ULONG nMonikerCount, IEnumMoniker ** ppEnum)
52 /* NOTE: assumes that array of IMonikers has already been AddRef'd
53 * I.e. this function does not AddRef the array of incoming
55 EnumMonikerImpl * pemi = CoTaskMemAlloc(sizeof(EnumMonikerImpl));
57 TRACE("(%p, %ld, %p)\n", ppMoniker, nMonikerCount, ppEnum);
64 pemi->lpVtbl = &EnumMonikerImpl_Vtbl;
66 pemi->ppMoniker = CoTaskMemAlloc(nMonikerCount * sizeof(IMoniker*));
67 memcpy(pemi->ppMoniker, ppMoniker, nMonikerCount*sizeof(IMoniker*));
68 pemi->nMonikerCount = nMonikerCount;
71 *ppEnum = (IEnumMoniker *)pemi;
76 /**********************************************************************
77 * IEnumMoniker_QueryInterface (also IUnknown)
79 static HRESULT WINAPI EnumMonikerImpl_QueryInterface(
84 ICOM_THIS(EnumMonikerImpl, iface);
85 TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
87 if (This == NULL || ppvObj == NULL) return E_POINTER;
89 if (IsEqualGUID(riid, &IID_IUnknown) ||
90 IsEqualGUID(riid, &IID_IEnumMoniker))
92 *ppvObj = (LPVOID)iface;
93 EnumMonikerImpl_AddRef(iface);
97 FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
101 /**********************************************************************
102 * IEnumMoniker_AddRef (also IUnknown)
104 static ULONG WINAPI EnumMonikerImpl_AddRef(LPENUMMONIKER iface)
106 ICOM_THIS(EnumMonikerImpl, iface);
110 if (This == NULL) return E_POINTER;
112 return InterlockedIncrement(&This->ref);
115 /**********************************************************************
116 * IEnumMoniker_Release (also IUnknown)
118 static ULONG WINAPI EnumMonikerImpl_Release(LPENUMMONIKER iface)
120 ICOM_THIS(EnumMonikerImpl, iface);
124 if (!InterlockedDecrement(&This->ref))
126 CoTaskMemFree(This->ppMoniker);
127 This->ppMoniker = NULL;
134 static HRESULT WINAPI EnumMonikerImpl_Next(LPENUMMONIKER iface, ULONG celt, IMoniker ** rgelt, ULONG * pceltFetched)
137 ICOM_THIS(EnumMonikerImpl, iface);
139 TRACE("(%ld, %p, %p)\n", celt, rgelt, pceltFetched);
141 for (fetched = 0; (This->index + fetched < This->nMonikerCount) && (fetched < celt); fetched++)
143 rgelt[fetched] = This->ppMoniker[This->index + fetched];
144 IMoniker_AddRef(rgelt[fetched]);
147 This->index += fetched;
150 *pceltFetched = fetched;
158 static HRESULT WINAPI EnumMonikerImpl_Skip(LPENUMMONIKER iface, ULONG celt)
160 ICOM_THIS(EnumMonikerImpl, iface);
162 TRACE("(%ld)\n", celt);
169 static HRESULT WINAPI EnumMonikerImpl_Reset(LPENUMMONIKER iface)
171 ICOM_THIS(EnumMonikerImpl, iface);
180 static HRESULT WINAPI EnumMonikerImpl_Clone(LPENUMMONIKER iface, IEnumMoniker ** ppenum)
182 FIXME("(%p): stub\n", ppenum);
187 /**********************************************************************
190 static ICOM_VTABLE(IEnumMoniker) EnumMonikerImpl_Vtbl =
192 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
193 EnumMonikerImpl_QueryInterface,
194 EnumMonikerImpl_AddRef,
195 EnumMonikerImpl_Release,
196 EnumMonikerImpl_Next,
197 EnumMonikerImpl_Skip,
198 EnumMonikerImpl_Reset,
199 EnumMonikerImpl_Clone