/*  Tux Commander VFS: Virtual File System types and definitions
 *   - prototypes functions and types
 *  draft version 3
 *
 *  Copyright (C) 2003 Radek Cervinka <radek.cervinka@centrum.cz>
 *  Copyright (C) 2008 Tomas Bzatek <tbzatek@users.sourceforge.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef __VFS_TYPES_H__
#define __VFS_TYPES_H__


#include <stdio.h>
#include <stdint.h>
#include <sys/types.h>

typedef int TVFSResult;

/*  Compatible with gio/GAskPasswordFlags  */
typedef enum {
  VFS_ASK_PASSWORD_NEED_PASSWORD       = 1<<0,
  VFS_ASK_PASSWORD_NEED_USERNAME       = 1<<1,
  VFS_ASK_PASSWORD_NEED_DOMAIN         = 1<<2,
  VFS_ASK_PASSWORD_SAVING_SUPPORTED    = 1<<3,
  VFS_ASK_PASSWORD_ANONYMOUS_SUPPORTED = 1<<4,
  VFS_ASK_PASSWORD_SAVE_INTERNAL       = 1<<14,
  VFS_ASK_PASSWORD_ARCHIVE_MODE        = 1<<15
} TVFSAskPasswordFlags;

/*  Compatible with gio/GPasswordSave  */
typedef enum {
  VFS_PASSWORD_SAVE_NEVER,
  VFS_PASSWORD_SAVE_FOR_SESSION,
  VFS_PASSWORD_SAVE_PERMANENTLY
} TVFSPasswordSave;


typedef void (* TVFSLogFunc)(const char *s);
typedef void *TVFSFileDes;


/*  Return FALSE to break the operation  */
typedef int (* TVFSProgressCallback)
                (u_int64_t  position,
                 u_int64_t  max,
                 void      *user_data);

/*  Return index of the choice selected or negative number when dialog has been cancelled  */
typedef void (* TVFSAskQuestionCallback)
                (const char *message,
                 const char **choices,
                 int        *choice,
                 int         cancel_choice,
                 void       *user_data);

typedef int (* TVFSAskPasswordCallback)
                (const char *message,
                 const char *default_user,
                 const char *default_domain,
                 const char *default_password,
                 TVFSAskPasswordFlags flags,
                 char      **username,
                 char      **password,
                 int        *anonymous,
                 char       **domain,
                 TVFSPasswordSave *password_save,
                 void       *user_data);


static const int cVFSVersion = 5;     //  current version of the VFS API

//  Capabilities
static const int capVFS_nil = 0;
static const int capVFS_List = 1 << 0;
static const int capVFS_CopyOut = 1 << 1;
static const int capVFS_CopyIn = 1 << 2;
static const int capVFS_MkDir = 1 << 3;
static const int capVFS_RmDir = 1 << 4;
static const int capVFS_Multiple = 1 << 5;  //  support multiple files = background copy & thread safe
static const int capVFS_Delete = 1 << 6;
static const int capVFS_Rename = 1 << 7;
static const int capVFS_Execute = 1 << 8;
static const int capVFS_Append = 1 << 9;

//  Error codes (TVFSResult)
enum {
  cVFS_OK = 0,
  cVFS_Failed = 1,   //  also No such file
  cVFS_Cancelled = 2,
  cVFS_Not_Supported = 3,
  cVFS_No_More_Files = 4,
  cVFS_ReadErr = 5,
  cVFS_WriteErr = 6,  //  also Readonly FileSystem
  cVFS_LoginFailed = 7,
  cVFS_PermissionDenied = 8,
  cVFS_NoSpaceLeft = 9,
  cVFS_mallocFailed = 10,
  cVFS_BadPassword = 11,
  cVFS_MissingVolume = 12,
  cVFS_CorruptedArchive = 13
};


//  Open modes
enum {
  cVFS_OpenRead,
  cVFS_OpenWrite,
  cVFS_OpenAppend
};


//  Item Type enum
enum TVFSItemType {
  vRegular = 0,
  vSymlink = 1,
  vChardev = 2,
  vBlockdev = 3,
  vDirectory = 4,
  vFifo = 5,
  vSock = 6,
  vOther = 7
};


struct TVFSItem {
  char *FName;
  char *FDisplayName;   //  valid UTF-8 string
  int64_t iSize;
  int64_t iPackedSize;  //  set to -1 if plugin doesn't support this feature
  __time_t m_time;      //  numbers should be located before the other variables (bug?)
  __time_t a_time;
  __time_t c_time;
  __mode_t iMode;
  char *sLinkTo;
  __uid_t iUID;
  __gid_t iGID;
  enum TVFSItemType ItemType;
};

struct TVFSInfo {
  char *ID;         //  unique identifier, not shown in GUI
  char *Name;       //  plugin name, GUI string (UTF-8)
  char *About;      //  GUI string (UTF-8)
  char *Copyright;  //  GUI string (UTF-8)
};


#endif /* __VFS_TYPES_H__ */