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

   1 /*
   2  * Copyright 2003, 2004 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  // entries.h
  24  //
  25  // Martin Fuchs, 23.07.2003
  26  //
  27
  28
  29 enum ENTRY_TYPE {
  30         ET_UNKNOWN,
  31         ET_WINDOWS,
  32 #ifdef __WINE__
  33         ET_UNIX,
  34 #endif
  35         ET_SHELL,
  36         ET_NTOBJS,
  37         ET_REGISTRY,
  38         ET_FAT,
  39         ET_WEB
  40 };
  41
  42 enum SORT_ORDER {
  43         SORT_NONE,
  44         SORT_NAME,
  45         SORT_EXT,
  46         SORT_SIZE,
  47         SORT_DATE
  48 };
  49
  50 enum SCAN_FLAGS {
  51 //      SCAN_EXTRACT_ICONS      = 1,
  52         SCAN_DO_ACCESS          = 2,
  53
  54         SCAN_ALL                        = 3,
  55
  56         SCAN_FILESYSTEM         = 4
  57 };
  58
  59 #ifndef ATTRIBUTE_SYMBOLIC_LINK
  60 #define ATTRIBUTE_LONGNAME                      0x08000000
  61 #define ATTRIBUTE_VOLNAME                       0x10000000
  62 #define ATTRIBUTE_ERASED                        0x20000000
  63 #define ATTRIBUTE_SYMBOLIC_LINK         0x40000000
  64 #define ATTRIBUTE_EXECUTABLE            0x80000000
  65 #endif
  66
  67
  68  /// base of all file and directory entries
  69 struct Entry
  70 {
  71 protected:
  72         Entry(ENTRY_TYPE etype);
  73         Entry(Entry* parent, ENTRY_TYPE etype);
  74         Entry(const Entry&);
  75
  76 public:
  77         virtual ~Entry();
  78
  79         Entry*          _next;
  80         Entry*          _down;
  81         Entry*          _up;
  82
  83         bool            _expanded;
  84         bool            _scanned;
  85         int             _level;
  86
  87         WIN32_FIND_DATA _data;
  88
  89         SFGAOF          _shell_attribs;
  90         LPTSTR          _display_name;
  91         LPTSTR          _type_name;
  92         LPTSTR          _content;
  93
  94         ENTRY_TYPE      _etype;
  95         int /*ICON_ID*/ _icon_id;
  96
  97         BY_HANDLE_FILE_INFORMATION _bhfi;
  98         bool            _bhfi_valid;
  99
 100         void    free_subentries();
 101
 102         void    read_directory_base(SORT_ORDER sortOrder=SORT_NAME, int scan_flags=SCAN_ALL);
 103         Entry*  read_tree(const void* path, SORT_ORDER sortOrder=SORT_NAME, int scan_flags=SCAN_ALL);
 104         void    sort_directory(SORT_ORDER sortOrder);
 105         void    smart_scan(SORT_ORDER sortOrder=SORT_NAME, int scan_flags=SCAN_ALL);
 106         void    extract_icon(bool big_icons);
 107
 108         virtual void            read_directory(int scan_flags=SCAN_ALL) {}
 109         virtual const void*     get_next_path_component(const void*) const {return NULL;}
 110         virtual Entry*          find_entry(const void*) {return NULL;}
 111         virtual bool            get_path(PTSTR path, size_t path_count) const = 0;
 112         virtual ShellPath       create_absolute_pidl() const {return (LPCITEMIDLIST)NULL;}
 113         virtual HRESULT         GetUIObjectOf(HWND hWnd, REFIID riid, LPVOID* ppvOut);
 114         virtual BOOL            launch_entry(HWND hwnd, UINT nCmdShow=SW_SHOWNORMAL);
 115         virtual HRESULT         do_context_menu(HWND hwnd, const POINT& pos, CtxMenuInterfaces& cm_ifs);
 116
 117 protected:
 118         bool    get_path_base(PTSTR path, size_t path_count, ENTRY_TYPE etype) const;
 119 };
 120
 121
 122  /// base for all directory entries
 123 struct Directory {
 124 protected:
 125         Directory() : _path(NULL) {}
 126         virtual ~Directory() {}
 127
 128         void*   _path;
 129 };
 130
 131
 132  /// root entry for file system trees
 133 struct Root {
 134         Root();
 135         ~Root();
 136
 137         Entry*  _entry;
 138         TCHAR   _path[MAX_PATH];
 139         TCHAR   _volname[_MAX_FNAME];
 140         TCHAR   _fs[_MAX_DIR];
 141         DWORD   _drive_type;
 142         DWORD   _fs_flags;
 143         SORT_ORDER _sort_order;
 144
 145         Entry*  read_tree(LPCTSTR path, int scan_flags=SCAN_ALL);
 146         Entry*  read_tree(LPCITEMIDLIST pidl, int scan_flags=SCAN_ALL);
 147 };