dlls/shell32/shlfsbind.c

   1 /*
   2  * File System Bind Data object to use as parameter for the bind context to
   3  * IShellFolder_ParseDisplayName
   4  *
   5  * Copyright 2003 Rolf Kalbermatter
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  *
  21  */
  22
  23 #include <stdarg.h>
  24
  25 #define COBJMACROS
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winuser.h"
  30 #include "shlobj.h"
  31 #include "shell32_main.h"
  32
  33 #include "wine/debug.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(pidl);
  36
  37 /***********************************************************************
  38  * IFileSystemBindData implementation
  39  */
  40 typedef struct
  41 {
  42     IFileSystemBindData IFileSystemBindData_iface;
  43     LONG ref;
  44     WIN32_FIND_DATAW findFile;
  45 } FileSystemBindData;
  46
  47 static inline FileSystemBindData *impl_from_IFileSystemBindData(IFileSystemBindData *iface)
  48 {
  49     return CONTAINING_RECORD(iface, FileSystemBindData, IFileSystemBindData_iface);
  50 }
  51
  52 static HRESULT WINAPI FileSystemBindData_QueryInterface(
  53                 IFileSystemBindData *iface, REFIID riid, LPVOID *ppV)
  54 {
  55     FileSystemBindData *This = impl_from_IFileSystemBindData(iface);
  56
  57     TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppV);
  58
  59     *ppV = NULL;
  60
  61     if (IsEqualIID(riid, &IID_IUnknown) ||
  62         IsEqualIID(riid, &IID_IFileSystemBindData))
  63     {
  64         *ppV = &This->IFileSystemBindData_iface;
  65     }
  66
  67     if (*ppV)
  68     {
  69         IFileSystemBindData_AddRef(iface);
  70         TRACE("-- Interface: (%p)->(%p)\n", ppV, *ppV);
  71         return S_OK;
  72     }
  73     TRACE("-- Interface: E_NOINTERFACE\n");
  74     return E_NOINTERFACE;
  75 }
  76
  77 static ULONG WINAPI FileSystemBindData_AddRef(IFileSystemBindData *iface)
  78 {
  79     FileSystemBindData *This = impl_from_IFileSystemBindData(iface);
  80     ULONG ref = InterlockedIncrement(&This->ref);
  81     TRACE("(%p)->(%lu)\n", This, ref);
  82     return ref;
  83 }
  84
  85 static ULONG WINAPI FileSystemBindData_Release(IFileSystemBindData *iface)
  86 {
  87     FileSystemBindData *This = impl_from_IFileSystemBindData(iface);
  88     ULONG ref = InterlockedDecrement(&This->ref);
  89
  90     TRACE("(%p)->(%lu)\n", This, ref);
  91
  92     if (!ref)
  93         free(This);
  94
  95     return ref;
  96 }
  97
  98 static HRESULT WINAPI FileSystemBindData_GetFindData(IFileSystemBindData *iface, WIN32_FIND_DATAW *pfd)
  99 {
 100     FileSystemBindData *This = impl_from_IFileSystemBindData(iface);
 101
 102     TRACE("(%p)->(%p)\n", This, pfd);
 103
 104     if (!pfd)
 105         return E_INVALIDARG;
 106
 107     *pfd = This->findFile;
 108     return S_OK;
 109 }
 110
 111 static HRESULT WINAPI FileSystemBindData_SetFindData(IFileSystemBindData *iface, const WIN32_FIND_DATAW *pfd)
 112 {
 113     FileSystemBindData *This = impl_from_IFileSystemBindData(iface);
 114
 115     TRACE("(%p)->(%p)\n", This, pfd);
 116
 117     if (pfd)
 118         This->findFile = *pfd;
 119     else
 120         memset(&This->findFile, 0, sizeof(WIN32_FIND_DATAW));
 121     return S_OK;
 122 }
 123
 124 static const IFileSystemBindDataVtbl FileSystemBindDataVtbl = {
 125     FileSystemBindData_QueryInterface,
 126     FileSystemBindData_AddRef,
 127     FileSystemBindData_Release,
 128     FileSystemBindData_SetFindData,
 129     FileSystemBindData_GetFindData,
 130 };
 131
 132 HRESULT WINAPI IFileSystemBindData_Constructor(const WIN32_FIND_DATAW *find_data, LPBC *ppV)
 133 {
 134     FileSystemBindData *This;
 135     HRESULT ret;
 136
 137     TRACE("(%p %p)\n", find_data, ppV);
 138
 139     if (!ppV)
 140        return E_INVALIDARG;
 141
 142     *ppV = NULL;
 143
 144     This = malloc(sizeof(*This));
 145     if (!This) return E_OUTOFMEMORY;
 146
 147     This->IFileSystemBindData_iface.lpVtbl = &FileSystemBindDataVtbl;
 148     This->ref = 1;
 149     IFileSystemBindData_SetFindData(&This->IFileSystemBindData_iface, find_data);
 150
 151     ret = CreateBindCtx(0, ppV);
 152     if (SUCCEEDED(ret))
 153     {
 154         BIND_OPTS bindOpts;
 155
 156         bindOpts.cbStruct = sizeof(BIND_OPTS);
 157         bindOpts.grfFlags = 0;
 158         bindOpts.grfMode = STGM_CREATE;
 159         bindOpts.dwTickCountDeadline = 0;
 160         IBindCtx_SetBindOptions(*ppV, &bindOpts);
 161         IBindCtx_RegisterObjectParam(*ppV, (WCHAR*)L"File System Bind Data", (IUnknown*)&This->IFileSystemBindData_iface);
 162
 163         IFileSystemBindData_Release(&This->IFileSystemBindData_iface);
 164     }
 165     else
 166         free(This);
 167     return ret;
 168 }