reactos/base/shell/explorer/utility/shellbrowserimpl.cpp

   1 /*
   2  * Copyright 2003 Martin Fuchs
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19
  20  //
  21  // Explorer clone
  22  //
  23  // shellbrowserimpl.cpp
  24  //
  25  // Martin Fuchs, 28.09.2003
  26  //
  27  // Credits: Thanks to Leon Finker for his explorer cabinet window example
  28  //
  29
  30
  31 #include <precomp.h>
  32
  33
  34 HRESULT IShellBrowserImpl::QueryInterface(REFIID iid, void** ppvObject)
  35 {
  36         if (!ppvObject)
  37                 return E_POINTER;
  38
  39         if (iid == IID_IUnknown)
  40                 *ppvObject = (IUnknown*)static_cast<IShellBrowser*>(this);
  41         else if (iid == IID_IOleWindow)
  42                 *ppvObject = static_cast<IOleWindow*>(this);
  43         else if (iid == IID_IShellBrowser)
  44                 *ppvObject = static_cast<IShellBrowser*>(this);
  45         else if (iid == IID_ICommDlgBrowser)
  46                 *ppvObject = static_cast<ICommDlgBrowser*>(this);
  47         else if (iid == IID_IServiceProvider)
  48                 *ppvObject = static_cast<IServiceProvider*>(this);
  49         else {
  50                 *ppvObject = NULL;
  51                 return E_NOINTERFACE;
  52         }
  53
  54         return S_OK;
  55 }
  56
  57 HRESULT IShellBrowserImpl::QueryService(REFGUID guidService, REFIID riid, void** ppvObject)
  58 {
  59         if (!ppvObject)
  60                 return E_POINTER;
  61
  62         ///@todo use guidService
  63
  64         if (riid == IID_IUnknown)
  65                 *ppvObject = (IUnknown*)static_cast<IShellBrowser*>(this);
  66         else if (riid == IID_IOleWindow)
  67                 *ppvObject = static_cast<IOleWindow*>(this);
  68         else if (riid == IID_IShellBrowser)
  69                 *ppvObject = static_cast<IShellBrowser*>(this);
  70         else if (riid == IID_ICommDlgBrowser)
  71                 *ppvObject = static_cast<ICommDlgBrowser*>(this);
  72         else if (riid == IID_IServiceProvider)
  73                 *ppvObject = static_cast<IServiceProvider*>(this);
  74         else if (riid == IID_IOleCommandTarget)
  75                 *ppvObject = static_cast<IOleCommandTarget*>(this);
  76         else {
  77                 *ppvObject = NULL;
  78                 return E_NOINTERFACE;
  79         }
  80
  81         return S_OK;
  82 }
  83
  84 HRESULT IShellBrowserImpl::QueryStatus(const GUID* pguidCmdGroup, ULONG cCmds, OLECMD prgCmds[], OLECMDTEXT* pCmdText)
  85 {
  86         return E_FAIL;  ///@todo implement IOleCommandTarget
  87 }
  88
  89 HRESULT IShellBrowserImpl::Exec(const GUID* pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANT* pvaIn, VARIANT* pvaOut)
  90 {
  91         return E_FAIL;  ///@todo implement IOleCommandTarget
  92 }
  93
  94
  95  // process default command: look for folders and traverse into them
  96 HRESULT IShellBrowserImpl::OnDefaultCommand(IShellView* ppshv)
  97 {
  98         IDataObject* selection;
  99
 100         HRESULT hr = ppshv->GetItemObject(SVGIO_SELECTION, IID_IDataObject, (void**)&selection);
 101         if (FAILED(hr))
 102                 return hr;
 103
 104         PIDList pidList;
 105
 106         hr = pidList.GetData(selection);
 107         if (FAILED(hr)) {
 108                 selection->Release();
 109                 return hr;
 110         }
 111
 112         hr = OnDefaultCommand(pidList);
 113
 114         selection->Release();
 115
 116         return hr;
 117 }