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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  */
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <stdarg.h>
  26
  27 #define COBJMACROS
  28
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "winreg.h"
  32 #include "winuser.h"
  33 #include "shlobj.h"
  34 #include "shell32_main.h"
  35
  36 #include "wine/debug.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(pidl);
  39
  40 /***********************************************************************
  41  * IFileSystemBindData implementation
  42  */
  43 typedef struct
  44 {
  45     const IFileSystemBindDataVtbl *lpVtbl;
  46     LONG              ref;
  47     WIN32_FIND_DATAW findFile;
  48 } IFileSystemBindDataImpl;
  49
  50 static HRESULT WINAPI IFileSystemBindData_fnQueryInterface(IFileSystemBindData *, REFIID, LPVOID*);
  51 static ULONG WINAPI IFileSystemBindData_fnAddRef(IFileSystemBindData *);
  52 static ULONG WINAPI IFileSystemBindData_fnRelease(IFileSystemBindData *);
  53 static HRESULT WINAPI IFileSystemBindData_fnGetFindData(IFileSystemBindData *, WIN32_FIND_DATAW *);
  54 static HRESULT WINAPI IFileSystemBindData_fnSetFindData(IFileSystemBindData *, const WIN32_FIND_DATAW *);
  55
  56 static const IFileSystemBindDataVtbl sbvt =
  57 {
  58     IFileSystemBindData_fnQueryInterface,
  59     IFileSystemBindData_fnAddRef,
  60     IFileSystemBindData_fnRelease,
  61     IFileSystemBindData_fnSetFindData,
  62     IFileSystemBindData_fnGetFindData,
  63 };
  64
  65 static const WCHAR wFileSystemBindData[] = {
  66     'F','i','l','e',' ','S','y','s','t','e','m',' ','B','i','n','d','D','a','t','a',0};
  67
  68 HRESULT WINAPI IFileSystemBindData_Constructor(const WIN32_FIND_DATAW *pfd, LPBC *ppV)
  69 {
  70     IFileSystemBindDataImpl *sb;
  71     HRESULT ret = E_OUTOFMEMORY;
  72
  73     TRACE("%p, %p\n", pfd, ppV);
  74
  75     if (!ppV)
  76        return E_INVALIDARG;
  77
  78     *ppV = NULL;
  79
  80     sb = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IFileSystemBindDataImpl));
  81     if (!sb)
  82         return ret;
  83
  84     sb->lpVtbl = &sbvt;
  85     sb->ref = 1;
  86     IFileSystemBindData_fnSetFindData((IFileSystemBindData*)sb, pfd);
  87
  88     ret = CreateBindCtx(0, ppV);
  89     if (SUCCEEDED(ret))
  90     {
  91         BIND_OPTS bindOpts;
  92
  93         bindOpts.cbStruct = sizeof(BIND_OPTS);
  94         bindOpts.grfFlags = 0;
  95         bindOpts.grfMode = STGM_CREATE;
  96         bindOpts.dwTickCountDeadline = 0;
  97         IBindCtx_SetBindOptions(*ppV, &bindOpts);
  98         IBindCtx_RegisterObjectParam(*ppV, (LPOLESTR)wFileSystemBindData, (LPUNKNOWN)sb);
  99
 100         IFileSystemBindData_Release((IFileSystemBindData*)sb);
 101     }
 102     else
 103         HeapFree(GetProcessHeap(), 0, sb);
 104     return ret;
 105 }
 106
 107 HRESULT WINAPI FileSystemBindData_GetFindData(LPBC pbc, WIN32_FIND_DATAW *pfd)
 108 {
 109     LPUNKNOWN pUnk;
 110     IFileSystemBindData *pfsbd = NULL;
 111     HRESULT ret;
 112
 113     TRACE("%p, %p\n", pbc, pfd);
 114
 115     if (!pfd)
 116         return E_INVALIDARG;
 117
 118     ret = IBindCtx_GetObjectParam(pbc, (LPOLESTR)wFileSystemBindData, &pUnk);
 119     if (SUCCEEDED(ret))
 120     {
 121         ret = IUnknown_QueryInterface(pUnk, &IID_IFileSystemBindData, (LPVOID *)&pfsbd);
 122         if (SUCCEEDED(ret))
 123         {
 124             ret = IFileSystemBindData_GetFindData(pfsbd, pfd);
 125             IFileSystemBindData_Release(pfsbd);
 126         }
 127         IUnknown_Release(pUnk);
 128     }
 129     return ret;
 130 }
 131
 132 HRESULT WINAPI FileSystemBindData_SetFindData(LPBC pbc, const WIN32_FIND_DATAW *pfd)
 133 {
 134     LPUNKNOWN pUnk;
 135     IFileSystemBindData *pfsbd = NULL;
 136     HRESULT ret;
 137
 138     TRACE("%p, %p\n", pbc, pfd);
 139
 140     ret = IBindCtx_GetObjectParam(pbc, (LPOLESTR)wFileSystemBindData, &pUnk);
 141     if (SUCCEEDED(ret))
 142     {
 143         ret = IUnknown_QueryInterface(pUnk, &IID_IFileSystemBindData, (LPVOID *)&pfsbd);
 144         if (SUCCEEDED(ret))
 145         {
 146             ret = IFileSystemBindData_SetFindData(pfsbd, pfd);
 147             IFileSystemBindData_Release(pfsbd);
 148         }
 149         IUnknown_Release(pUnk);
 150     }
 151     return ret;
 152 }
 153
 154 static HRESULT WINAPI IFileSystemBindData_fnQueryInterface(
 155                 IFileSystemBindData *iface, REFIID riid, LPVOID *ppV)
 156 {
 157     IFileSystemBindDataImpl *This = (IFileSystemBindDataImpl *)iface;
 158     TRACE("(%p)->(\n\tIID:\t%s, %p)\n", This, debugstr_guid(riid), ppV);
 159
 160     *ppV = NULL;
 161
 162     if (IsEqualIID(riid, &IID_IUnknown))
 163         *ppV = This;
 164     else if (IsEqualIID(riid, &IID_IFileSystemBindData))
 165         *ppV = (IFileSystemBindData*)This;
 166
 167     if (*ppV)
 168     {
 169         IUnknown_AddRef((IUnknown*)(*ppV));
 170         TRACE("-- Interface: (%p)->(%p)\n", ppV, *ppV);
 171         return S_OK;
 172     }
 173     TRACE("-- Interface: E_NOINTERFACE\n");
 174     return E_NOINTERFACE;
 175 }
 176
 177 static ULONG WINAPI IFileSystemBindData_fnAddRef(IFileSystemBindData *iface)
 178 {
 179     IFileSystemBindDataImpl *This = (IFileSystemBindDataImpl *)iface;
 180     ULONG refCount = InterlockedIncrement(&This->ref);
 181
 182     TRACE("(%p)->(count=%li)\n", This, refCount - 1);
 183
 184     return refCount;
 185 }
 186
 187 static ULONG WINAPI IFileSystemBindData_fnRelease(IFileSystemBindData *iface)
 188 {
 189     IFileSystemBindDataImpl *This = (IFileSystemBindDataImpl *)iface;
 190     ULONG refCount = InterlockedDecrement(&This->ref);
 191
 192     TRACE("(%p)->(count=%li)\n", This, refCount + 1);
 193
 194     if (!refCount)
 195     {
 196         TRACE(" destroying ISFBindPidl(%p)\n",This);
 197         HeapFree(GetProcessHeap(), 0, This);
 198     }
 199     return refCount;
 200 }
 201
 202 static HRESULT WINAPI IFileSystemBindData_fnGetFindData(
 203                IFileSystemBindData *iface, WIN32_FIND_DATAW *pfd)
 204 {
 205     IFileSystemBindDataImpl *This = (IFileSystemBindDataImpl *)iface;
 206     TRACE("(%p), %p\n", This, pfd);
 207
 208     if (!pfd)
 209         return E_INVALIDARG;
 210
 211     memcpy(pfd, &This->findFile, sizeof(WIN32_FIND_DATAW));
 212     return NOERROR;
 213 }
 214
 215 static HRESULT WINAPI IFileSystemBindData_fnSetFindData(
 216                IFileSystemBindData *iface, const WIN32_FIND_DATAW *pfd)
 217 {
 218     IFileSystemBindDataImpl *This = (IFileSystemBindDataImpl *)iface;
 219     TRACE("(%p), %p\n", This, pfd);
 220
 221     if (pfd)
 222         memcpy(&This->findFile, pfd, sizeof(WIN32_FIND_DATAW));
 223     else
 224         memset(&This->findFile, 0, sizeof(WIN32_FIND_DATAW));
 225     return NOERROR;
 226 }