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
27 #define COM_NO_WINDOWS_H
35 #include "wine/debug.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
39 typedef struct EnumMonikerImpl
41 IEnumMonikerVtbl *lpVtbl;
43 IMoniker ** ppMoniker;
48 static struct IEnumMonikerVtbl EnumMonikerImpl_Vtbl;
50 static ULONG WINAPI EnumMonikerImpl_AddRef(LPENUMMONIKER iface);
52 HRESULT EnumMonikerImpl_Create(IMoniker ** ppMoniker, ULONG nMonikerCount, IEnumMoniker ** ppEnum)
54 /* NOTE: assumes that array of IMonikers has already been AddRef'd
55 * I.e. this function does not AddRef the array of incoming
57 EnumMonikerImpl * pemi = CoTaskMemAlloc(sizeof(EnumMonikerImpl));
59 TRACE("(%p, %ld, %p)\n", ppMoniker, nMonikerCount, ppEnum);
66 pemi->lpVtbl = &EnumMonikerImpl_Vtbl;
68 pemi->ppMoniker = CoTaskMemAlloc(nMonikerCount * sizeof(IMoniker*));
69 memcpy(pemi->ppMoniker, ppMoniker, nMonikerCount*sizeof(IMoniker*));
70 pemi->nMonikerCount = nMonikerCount;
73 *ppEnum = (IEnumMoniker *)pemi;
78 /**********************************************************************
79 * IEnumMoniker_QueryInterface (also IUnknown)
81 static HRESULT WINAPI EnumMonikerImpl_QueryInterface(
86 EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
87 TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
89 if (This == NULL || ppvObj == NULL) return E_POINTER;
91 if (IsEqualGUID(riid, &IID_IUnknown) ||
92 IsEqualGUID(riid, &IID_IEnumMoniker))
94 *ppvObj = (LPVOID)iface;
95 EnumMonikerImpl_AddRef(iface);
99 FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
100 return E_NOINTERFACE;
103 /**********************************************************************
104 * IEnumMoniker_AddRef (also IUnknown)
106 static ULONG WINAPI EnumMonikerImpl_AddRef(LPENUMMONIKER iface)
108 EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
112 if (This == NULL) return E_POINTER;
114 return InterlockedIncrement(&This->ref);
117 /**********************************************************************
118 * IEnumMoniker_Release (also IUnknown)
120 static ULONG WINAPI EnumMonikerImpl_Release(LPENUMMONIKER iface)
122 EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
126 if (!InterlockedDecrement(&This->ref))
128 CoTaskMemFree(This->ppMoniker);
129 This->ppMoniker = NULL;
136 static HRESULT WINAPI EnumMonikerImpl_Next(LPENUMMONIKER iface, ULONG celt, IMoniker ** rgelt, ULONG * pceltFetched)
139 EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
141 TRACE("(%ld, %p, %p)\n", celt, rgelt, pceltFetched);
143 for (fetched = 0; (This->index + fetched < This->nMonikerCount) && (fetched < celt); fetched++)
145 rgelt[fetched] = This->ppMoniker[This->index + fetched];
146 IMoniker_AddRef(rgelt[fetched]);
149 This->index += fetched;
152 *pceltFetched = fetched;
160 static HRESULT WINAPI EnumMonikerImpl_Skip(LPENUMMONIKER iface, ULONG celt)
162 EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
164 TRACE("(%ld)\n", celt);
171 static HRESULT WINAPI EnumMonikerImpl_Reset(LPENUMMONIKER iface)
173 EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
182 static HRESULT WINAPI EnumMonikerImpl_Clone(LPENUMMONIKER iface, IEnumMoniker ** ppenum)
184 FIXME("(%p): stub\n", ppenum);
189 /**********************************************************************
192 static IEnumMonikerVtbl EnumMonikerImpl_Vtbl =
194 EnumMonikerImpl_QueryInterface,
195 EnumMonikerImpl_AddRef,
196 EnumMonikerImpl_Release,
197 EnumMonikerImpl_Next,
198 EnumMonikerImpl_Skip,
199 EnumMonikerImpl_Reset,
200 EnumMonikerImpl_Clone