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;
111 if (This == NULL) return E_POINTER;
113 ref = InterlockedIncrement(&This->ref);
115 TRACE("(%p)->() AddRef from %ld\n", iface, ref - 1);
120 /**********************************************************************
121 * IEnumMoniker_Release (also IUnknown)
123 static ULONG WINAPI EnumMonikerImpl_Release(LPENUMMONIKER iface)
125 EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
126 ULONG ref = InterlockedDecrement(&This->ref);
128 TRACE("(%p)->() Release from %ld\n", iface, ref + 1);
132 CoTaskMemFree(This->ppMoniker);
133 This->ppMoniker = NULL;
140 static HRESULT WINAPI EnumMonikerImpl_Next(LPENUMMONIKER iface, ULONG celt, IMoniker ** rgelt, ULONG * pceltFetched)
143 EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
145 TRACE("(%p)->(%ld, %p, %p)\n", iface, celt, rgelt, pceltFetched);
147 for (fetched = 0; (This->index + fetched < This->nMonikerCount) && (fetched < celt); fetched++)
149 rgelt[fetched] = This->ppMoniker[This->index + fetched];
150 IMoniker_AddRef(rgelt[fetched]);
153 This->index += fetched;
155 TRACE("-- fetched %ld\n", fetched);
158 *pceltFetched = fetched;
166 static HRESULT WINAPI EnumMonikerImpl_Skip(LPENUMMONIKER iface, ULONG celt)
168 EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
170 TRACE("(%p)->(%ld)\n", iface, celt);
177 static HRESULT WINAPI EnumMonikerImpl_Reset(LPENUMMONIKER iface)
179 EnumMonikerImpl *This = (EnumMonikerImpl *)iface;
181 TRACE("(%p)->()\n", iface);
188 static HRESULT WINAPI EnumMonikerImpl_Clone(LPENUMMONIKER iface, IEnumMoniker ** ppenum)
190 FIXME("(%p)->(%p): stub\n", iface, ppenum);
195 /**********************************************************************
198 static IEnumMonikerVtbl EnumMonikerImpl_Vtbl =
200 EnumMonikerImpl_QueryInterface,
201 EnumMonikerImpl_AddRef,
202 EnumMonikerImpl_Release,
203 EnumMonikerImpl_Next,
204 EnumMonikerImpl_Skip,
205 EnumMonikerImpl_Reset,
206 EnumMonikerImpl_Clone