dll/win32/shell32/shlfsbind.cpp

   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 "precomp.h"
  24
  25 WINE_DEFAULT_DEBUG_CHANNEL(pidl);
  26
  27 /***********************************************************************
  28  * IFileSystemBindData implementation
  29  */
  30 class IFileSystemBindDataImpl :
  31     public CComObjectRootEx<CComMultiThreadModelNoCS>,
  32     public IFileSystemBindData
  33 {
  34 private:
  35     WIN32_FIND_DATAW findFile;
  36 public:
  37     IFileSystemBindDataImpl();
  38     ~IFileSystemBindDataImpl();
  39
  40     // *** IFileSystemBindData methods ***
  41     virtual HRESULT STDMETHODCALLTYPE SetFindData(const WIN32_FIND_DATAW *pfd);
  42     virtual HRESULT STDMETHODCALLTYPE GetFindData(WIN32_FIND_DATAW *pfd);
  43
  44 DECLARE_NOT_AGGREGATABLE(IFileSystemBindDataImpl)
  45 DECLARE_PROTECT_FINAL_CONSTRUCT()
  46
  47 BEGIN_COM_MAP(IFileSystemBindDataImpl)
  48     COM_INTERFACE_ENTRY_IID(IID_IFileSystemBindData, IFileSystemBindData)
  49 END_COM_MAP()
  50 };
  51
  52 static const WCHAR wFileSystemBindData[] = {
  53     'F','i','l','e',' ','S','y','s','t','e','m',' ','B','i','n','d','D','a','t','a',0};
  54
  55 HRESULT WINAPI IFileSystemBindData_Constructor(const WIN32_FIND_DATAW *pfd, LPBC *ppV)
  56 {
  57     CComPtr<IFileSystemBindData>        fileSystemBindData;
  58     CComPtr<IBindCtx>                    bindContext;
  59     BIND_OPTS                            bindOpts;
  60     HRESULT                                hResult;
  61
  62     TRACE("%p, %p\n", pfd, ppV);
  63
  64     if (ppV == NULL)
  65        return E_INVALIDARG;
  66
  67     *ppV = NULL;
  68
  69     hResult = IFileSystemBindDataImpl::_CreatorClass::CreateInstance(NULL, IID_IFileSystemBindData, (void **)&fileSystemBindData);
  70     if (FAILED(hResult))
  71         return hResult;
  72     hResult = fileSystemBindData->SetFindData(pfd);
  73     if (FAILED(hResult))
  74         return hResult;
  75
  76     hResult = CreateBindCtx(0, &bindContext);
  77     if (FAILED(hResult))
  78         return hResult;
  79     bindOpts.cbStruct = sizeof(BIND_OPTS);
  80     bindOpts.grfFlags = 0;
  81     bindOpts.grfMode = STGM_CREATE;
  82     bindOpts.dwTickCountDeadline = 0;
  83     hResult = bindContext->SetBindOptions(&bindOpts);
  84     if (FAILED(hResult))
  85         return hResult;
  86     hResult = bindContext->RegisterObjectParam((LPOLESTR)wFileSystemBindData, fileSystemBindData);
  87     if (FAILED(hResult))
  88         return hResult;
  89
  90     *ppV = bindContext.Detach();
  91
  92     return S_OK;
  93 }
  94
  95 HRESULT WINAPI FileSystemBindData_GetFindData(LPBC pbc, WIN32_FIND_DATAW *pfd)
  96 {
  97     CComPtr<IUnknown>                    pUnk;
  98     CComPtr<IFileSystemBindData>        pfsbd;
  99     HRESULT                                ret;
 100
 101     TRACE("%p, %p\n", pbc, pfd);
 102
 103     if (!pfd)
 104         return E_INVALIDARG;
 105
 106     ret = pbc->GetObjectParam((LPOLESTR)wFileSystemBindData, &pUnk);
 107     if (SUCCEEDED(ret))
 108     {
 109         ret = pUnk->QueryInterface(IID_IFileSystemBindData, (LPVOID *)&pfsbd);
 110         if (SUCCEEDED(ret))
 111             ret = pfsbd->GetFindData(pfd);
 112     }
 113     return ret;
 114 }
 115
 116 HRESULT WINAPI FileSystemBindData_SetFindData(LPBC pbc, const WIN32_FIND_DATAW *pfd)
 117 {
 118     CComPtr<IUnknown>                    pUnk;
 119     CComPtr<IFileSystemBindData>        pfsbd;
 120     HRESULT                                ret;
 121
 122     TRACE("%p, %p\n", pbc, pfd);
 123
 124     ret = pbc->GetObjectParam((LPOLESTR)wFileSystemBindData, &pUnk);
 125     if (SUCCEEDED(ret))
 126     {
 127         ret = pUnk->QueryInterface(IID_IFileSystemBindData, (LPVOID *)&pfsbd);
 128         if (SUCCEEDED(ret))
 129             ret = pfsbd->SetFindData(pfd);
 130     }
 131     return ret;
 132 }
 133
 134 IFileSystemBindDataImpl::IFileSystemBindDataImpl()
 135 {
 136     memset(&findFile, 0, sizeof(WIN32_FIND_DATAW));
 137 }
 138
 139 IFileSystemBindDataImpl::~IFileSystemBindDataImpl()
 140 {
 141     TRACE(" destroying ISFBindPidl(%p)\n", this);
 142 }
 143
 144 HRESULT WINAPI IFileSystemBindDataImpl::GetFindData(WIN32_FIND_DATAW *pfd)
 145 {
 146     TRACE("(%p), %p\n", this, pfd);
 147
 148     if (!pfd)
 149         return E_INVALIDARG;
 150
 151     memcpy(pfd, &findFile, sizeof(WIN32_FIND_DATAW));
 152     return NOERROR;
 153 }
 154
 155 HRESULT WINAPI IFileSystemBindDataImpl::SetFindData(const WIN32_FIND_DATAW *pfd)
 156 {
 157     TRACE("(%p), %p\n", this, pfd);
 158
 159     if (pfd)
 160         memcpy(&findFile, pfd, sizeof(WIN32_FIND_DATAW));
 161     else
 162         memset(&findFile, 0, sizeof(WIN32_FIND_DATAW));
 163     return NOERROR;
 164 }