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         IFileSystemBindDataVtbl *lpVtbl;
  46         DWORD              ref;
  47         WIN32_FIND_DATAW findFile;
  48 } IFileSystemBindDataImpl;
  49
  50 static HRESULT WINAPI IFileSystemBindData_fnQueryInterface(IFileSystemBindData *iface, REFIID riid, LPVOID* ppvObj);
  51 static ULONG WINAPI IFileSystemBindData_fnAddRef(IFileSystemBindData *iface);
  52 static ULONG WINAPI IFileSystemBindData_fnRelease(IFileSystemBindData *iface);
  53 static HRESULT WINAPI IFileSystemBindData_fnGetFindData(IFileSystemBindData *iface, WIN32_FIND_DATAW *pfd);
  54 static HRESULT WINAPI IFileSystemBindData_fnSetFindData(IFileSystemBindData *iface, const WIN32_FIND_DATAW *pfd);
  55
  56 static struct 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[] = {'F','i','l','e',' ','S','y','s','t','e','m',' ','B','i','n','d','D','a','t','a',0};
  66
  67 HRESULT WINAPI IFileSystemBindData_Constructor(const WIN32_FIND_DATAW *pfd, LPBC *ppV)
  68 {
  69         IFileSystemBindDataImpl *sb;
  70         HRESULT ret = E_OUTOFMEMORY;
  71
  72         TRACE("%p, %p\n", pfd, ppV);
  73
  74         if (!ppV)
  75           return E_INVALIDARG;
  76
  77         *ppV = NULL;
  78
  79         sb = (IFileSystemBindDataImpl*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IFileSystemBindDataImpl));
  80         if (!sb)
  81           return ret;
  82
  83         sb->lpVtbl = &sbvt;
  84         sb->ref = 1;
  85         IFileSystemBindData_fnSetFindData((IFileSystemBindData*)sb, pfd);
  86
  87         ret = CreateBindCtx(0, ppV);
  88         if (SUCCEEDED(ret))
  89         {
  90           BIND_OPTS bindOpts;
  91           bindOpts.cbStruct = sizeof(BIND_OPTS);
  92           bindOpts.grfFlags = 0;
  93           bindOpts.grfMode = STGM_CREATE;
  94           bindOpts.dwTickCountDeadline = 0;
  95           IBindCtx_SetBindOptions(*ppV, &bindOpts);
  96           IBindCtx_RegisterObjectParam(*ppV, (LPOLESTR)wFileSystemBindData, (LPUNKNOWN)sb);
  97
  98           IFileSystemBindData_Release((IFileSystemBindData*)sb);
  99         }
 100         else
 101           HeapFree(GetProcessHeap(), 0, sb);
 102         return ret;
 103 }
 104
 105 HRESULT WINAPI FileSystemBindData_GetFindData(LPBC pbc, WIN32_FIND_DATAW *pfd)
 106 {
 107         LPUNKNOWN pUnk;
 108         IFileSystemBindData *pfsbd = NULL;
 109         HRESULT ret;
 110
 111         TRACE("%p, %p\n", pbc, pfd);
 112
 113         if (!pfd)
 114           return E_INVALIDARG;
 115
 116         ret = IBindCtx_GetObjectParam(pbc, (LPOLESTR)wFileSystemBindData, &pUnk);
 117         if (SUCCEEDED(ret))
 118         {
 119           ret = IUnknown_QueryInterface(pUnk, &IID_IFileSystemBindData, (LPVOID *)&pfsbd);
 120           if (SUCCEEDED(ret))
 121           {
 122             ret = IFileSystemBindData_GetFindData(pfsbd, pfd);
 123             IFileSystemBindData_Release(pfsbd);
 124           }
 125           IUnknown_Release(pUnk);
 126         }
 127         return ret;
 128 }
 129
 130 HRESULT WINAPI FileSystemBindData_SetFindData(LPBC pbc, const WIN32_FIND_DATAW *pfd)
 131 {
 132         LPUNKNOWN pUnk;
 133         IFileSystemBindData *pfsbd = NULL;
 134         HRESULT ret;
 135
 136         TRACE("%p, %p\n", pbc, pfd);
 137
 138         ret = IBindCtx_GetObjectParam(pbc, (LPOLESTR)wFileSystemBindData, &pUnk);
 139         if (SUCCEEDED(ret))
 140         {
 141           ret = IUnknown_QueryInterface(pUnk, &IID_IFileSystemBindData, (LPVOID *)&pfsbd);
 142           if (SUCCEEDED(ret))
 143           {
 144             ret = IFileSystemBindData_SetFindData(pfsbd, pfd);
 145             IFileSystemBindData_Release(pfsbd);
 146           }
 147           IUnknown_Release(pUnk);
 148         }
 149         return ret;}
 150
 151
 152
 153 static HRESULT WINAPI IFileSystemBindData_fnQueryInterface(IFileSystemBindData *iface, REFIID riid, LPVOID *ppV)
 154 {
 155         IFileSystemBindDataImpl *This = (IFileSystemBindDataImpl *)iface;
 156         TRACE("(%p)->(\n\tIID:\t%s, %p)\n", This, debugstr_guid(riid), ppV);
 157
 158         *ppV = NULL;
 159
 160         if (IsEqualIID(riid, &IID_IUnknown))
 161         {
 162           *ppV = This;
 163         }
 164         else if (IsEqualIID(riid, &IID_IFileSystemBindData))
 165         {
 166           *ppV = (IFileSystemBindData*)This;
 167         }
 168
 169         if (*ppV)
 170         {
 171           IUnknown_AddRef((IUnknown*)(*ppV));
 172           TRACE("-- Interface: (%p)->(%p)\n", ppV, *ppV);
 173           return S_OK;
 174         }
 175         TRACE("-- Interface: E_NOINTERFACE\n");
 176         return E_NOINTERFACE;
 177 }
 178
 179 static ULONG WINAPI IFileSystemBindData_fnAddRef(IFileSystemBindData *iface)
 180 {
 181         IFileSystemBindDataImpl *This = (IFileSystemBindDataImpl *)iface;
 182         ULONG refCount = InterlockedIncrement(&This->ref);
 183
 184         TRACE("(%p)->(count=%li)\n", This, refCount - 1);
 185
 186         return refCount;
 187 }
 188
 189 static ULONG WINAPI IFileSystemBindData_fnRelease(IFileSystemBindData *iface)
 190 {
 191         IFileSystemBindDataImpl *This = (IFileSystemBindDataImpl *)iface;
 192         ULONG refCount = InterlockedDecrement(&This->ref);
 193
 194         TRACE("(%p)->(count=%li)\n", This, refCount + 1);
 195
 196         if (!refCount)
 197         {
 198           TRACE(" destroying ISFBindPidl(%p)\n",This);
 199           HeapFree(GetProcessHeap(), 0, This);
 200         }
 201         return refCount;
 202 }
 203
 204 static HRESULT WINAPI IFileSystemBindData_fnGetFindData(IFileSystemBindData *iface, WIN32_FIND_DATAW *pfd)
 205 {
 206         IFileSystemBindDataImpl *This = (IFileSystemBindDataImpl *)iface;
 207         TRACE("(%p), %p\n", This, pfd);
 208
 209         if (!pfd)
 210           return E_INVALIDARG;
 211
 212         memcpy(pfd, &This->findFile, sizeof(WIN32_FIND_DATAW));
 213         return NOERROR;
 214 }
 215
 216 static HRESULT WINAPI IFileSystemBindData_fnSetFindData(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 }