reactos/subsys/system/explorer/shell/shellfs.h

   1 /*
   2  * Copyright 2003, 2004, 2005 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  // shellfs.h
  24  //
  25  // Martin Fuchs, 23.07.2003
  26  //
  27
  28
  29  /// shell file/directory entry
  30 struct ShellEntry : public Entry
  31 {
  32         ShellEntry(Entry* parent, LPITEMIDLIST shell_path) : Entry(parent, ET_SHELL), _pidl(shell_path) {}
  33         ShellEntry(Entry* parent, const ShellPath& shell_path) : Entry(parent, ET_SHELL), _pidl(shell_path) {}
  34
  35         virtual bool            get_path(PTSTR path, size_t path_count) const;
  36         virtual ShellPath       create_absolute_pidl() const;
  37         virtual HRESULT         GetUIObjectOf(HWND hWnd, REFIID riid, LPVOID* ppvOut);
  38         virtual BOOL            launch_entry(HWND hwnd, UINT nCmdShow=SW_SHOWNORMAL);
  39         virtual HRESULT         do_context_menu(HWND hwnd, LPPOINT pptScreen, CtxMenuInterfaces& cm_ifs);
  40
  41         IShellFolder*           get_parent_folder() const;
  42
  43         ShellPath       _pidl;  // parent relative PIDL
  44
  45 protected:
  46         ShellEntry(LPITEMIDLIST shell_path) : Entry(ET_SHELL), _pidl(shell_path) {}
  47         ShellEntry(const ShellPath& shell_path) : Entry(ET_SHELL), _pidl(shell_path) {}
  48 };
  49
  50
  51  /// shell folder entry
  52 struct ShellDirectory : public ShellEntry, public Directory
  53 {
  54         ShellDirectory(ShellFolder& root_folder, const ShellPath& shell_path, HWND hwnd)
  55          :      ShellEntry(shell_path),
  56                 _folder(root_folder, shell_path),
  57                 _hwnd(hwnd)
  58         {
  59                 CONTEXT("ShellDirectory::ShellDirectory()");
  60
  61                 lstrcpy(_data.cFileName, root_folder.get_name(shell_path, SHGDN_FORADDRESSBAR));
  62                 _data.dwFileAttributes = FILE_ATTRIBUTE_DIRECTORY;
  63                 _shell_attribs = SFGAO_FOLDER;
  64
  65                 ShellFolder subfolder(root_folder, shell_path);
  66                 IShellFolder* pFolder = subfolder;
  67                 pFolder->AddRef();
  68                 _path = pFolder;
  69         }
  70
  71         explicit ShellDirectory(ShellDirectory* parent, LPITEMIDLIST shell_path, HWND hwnd)
  72          :      ShellEntry(parent, shell_path),
  73                 _folder(parent->_folder, shell_path),
  74                 _hwnd(hwnd)
  75         {
  76                 /* not neccessary - the caller will fill the info
  77                 lstrcpy(_data.cFileName, _folder.get_name(shell_path));
  78                 _data.dwFileAttributes = FILE_ATTRIBUTE_DIRECTORY;
  79                 _shell_attribs = SFGAO_FOLDER; */
  80
  81                 _folder->AddRef();
  82                 _path = _folder;
  83         }
  84
  85         ShellDirectory(const ShellDirectory& other)
  86          :      ShellEntry(other),
  87                 Directory(other),
  88                 _folder(other._folder),
  89                 _hwnd(other._hwnd)
  90         {
  91                 IShellFolder* pFolder = (IShellFolder*)_path;
  92                 pFolder->AddRef();
  93         }
  94
  95         ~ShellDirectory()
  96         {
  97                 IShellFolder* pFolder = (IShellFolder*)_path;
  98                 _path = NULL;
  99                 pFolder->Release();
 100         }
 101
 102         virtual void read_directory(int scan_flags=SCAN_ALL);
 103         virtual const void* get_next_path_component(const void*) const;
 104         virtual Entry* find_entry(const void*);
 105
 106         virtual bool get_path(PTSTR path, size_t path_count) const;
 107
 108         int     extract_icons(bool big_icons);
 109
 110         ShellFolder _folder;
 111         HWND    _hwnd;
 112
 113 protected:
 114         bool    fill_w32fdata_shell(LPCITEMIDLIST pidl, SFGAOF attribs, WIN32_FIND_DATA*, BY_HANDLE_FILE_INFORMATION*, bool do_access=true);
 115 };
 116
 117
 118 inline IShellFolder* ShellEntry::get_parent_folder() const
 119 {
 120         if (_up)
 121                 return static_cast<ShellDirectory*>(_up)->_folder;
 122         else
 123                 return GetDesktopFolder();
 124 }