You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
182 lines
7.0 KiB
182 lines
7.0 KiB
/* This file is part of the TDE project
|
|
Copyright (C) 2004 David Faure <faure@kde.org>
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2 of the License, or (at your option) any later version.
|
|
|
|
This library 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public License
|
|
along with this library; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef TRASHIMPL_H
|
|
#define TRASHIMPL_H
|
|
|
|
#include <tdeio/jobclasses.h>
|
|
#include <ksimpleconfig.h>
|
|
|
|
#include <tqstring.h>
|
|
#include <tqdatetime.h>
|
|
#include <assert.h>
|
|
|
|
/**
|
|
* Implementation of all low-level operations done by tdeio_trash
|
|
* The structure of the trash directory follows the freedesktop.org standard <TODO URL>
|
|
*/
|
|
class TrashImpl : public TQObject
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
TrashImpl();
|
|
|
|
/// Check the "home" trash directory
|
|
/// This MUST be called before doing anything else
|
|
bool init();
|
|
|
|
/// Create info for a file to be trashed
|
|
/// Returns trashId and fileId
|
|
/// The caller is then responsible for actually trashing the file
|
|
bool createInfo( const TQString& origPath, int& trashId, TQString& fileId );
|
|
|
|
/// Delete info file for a file to be trashed
|
|
/// Usually used for undoing what createInfo did if trashing failed
|
|
bool deleteInfo( int trashId, const TQString& fileId );
|
|
|
|
/// Moving a file or directory into the trash. The ids come from createInfo.
|
|
bool moveToTrash( const TQString& origPath, int trashId, const TQString& fileId );
|
|
|
|
/// Moving a file or directory out of the trash. The ids come from createInfo.
|
|
bool moveFromTrash( const TQString& origPath, int trashId, const TQString& fileId, const TQString& relativePath );
|
|
|
|
/// Copying a file or directory into the trash. The ids come from createInfo.
|
|
bool copyToTrash( const TQString& origPath, int trashId, const TQString& fileId );
|
|
|
|
/// Copying a file or directory out of the trash. The ids come from createInfo.
|
|
bool copyFromTrash( const TQString& origPath, int trashId, const TQString& fileId, const TQString& relativePath );
|
|
|
|
/// Create a top-level trashed directory
|
|
//bool mkdir( int trashId, const TQString& fileId, int permissions );
|
|
|
|
/// Get rid of a trashed file
|
|
bool del( int trashId, const TQString& fileId );
|
|
|
|
/// Empty trash, i.e. delete all trashed files
|
|
bool emptyTrash();
|
|
|
|
/// Return true if the trash is empty
|
|
bool isEmpty() const;
|
|
|
|
struct TrashedFileInfo {
|
|
int trashId; // for the url
|
|
TQString fileId; // for the url
|
|
TQString physicalPath; // for stat'ing etc.
|
|
TQString origPath; // from info file
|
|
TQDateTime deletionDate; // from info file
|
|
};
|
|
/// List trashed files
|
|
typedef TQValueList<TrashedFileInfo> TrashedFileInfoList;
|
|
TrashedFileInfoList list();
|
|
|
|
/// Return the info for a given trashed file
|
|
bool infoForFile( int trashId, const TQString& fileId, TrashedFileInfo& info );
|
|
|
|
/// Return the physicalPath for a given trashed file - helper method which
|
|
/// encapsulates the call to infoForFile. Don't use if you need more info from TrashedFileInfo.
|
|
TQString physicalPath( int trashId, const TQString& fileId, const TQString& relativePath );
|
|
|
|
/// Move data from the old trash system to the new one
|
|
void migrateOldTrash();
|
|
|
|
/// TDEIO error code
|
|
int lastErrorCode() const { return m_lastErrorCode; }
|
|
TQString lastErrorMessage() const { return m_lastErrorMessage; }
|
|
|
|
TQStrList listDir( const TQString& physicalPath );
|
|
|
|
static KURL makeURL( int trashId, const TQString& fileId, const TQString& relativePath );
|
|
static bool parseURL( const KURL& url, int& trashId, TQString& fileId, TQString& relativePath );
|
|
|
|
typedef TQMap<int, TQString> TrashDirMap;
|
|
/// @internal This method is for TestTrash only. Home trash is included (id 0).
|
|
TrashDirMap trashDirectories() const;
|
|
/// @internal This method is for TestTrash only. No entry with id 0.
|
|
TrashDirMap topDirectories() const;
|
|
|
|
private:
|
|
/// Helper method. Moves a file or directory using the appropriate method.
|
|
bool move( const TQString& src, const TQString& dest );
|
|
bool copy( const TQString& src, const TQString& dest );
|
|
/// Helper method. Tries to call ::rename(src,dest) and does error handling.
|
|
bool directRename( const TQString& src, const TQString& dest );
|
|
|
|
void fileAdded();
|
|
void fileRemoved();
|
|
|
|
bool adaptTrashSize( const TQString& origPath, int trashId );
|
|
|
|
// Warning, returns error code, not a bool
|
|
int testDir( const TQString& name ) const;
|
|
void error( int e, const TQString& s );
|
|
|
|
bool readInfoFile( const TQString& infoPath, TrashedFileInfo& info, int trashId );
|
|
|
|
TQString infoPath( int trashId, const TQString& fileId ) const;
|
|
TQString filesPath( int trashId, const TQString& fileId ) const;
|
|
|
|
/// Find the trash dir to use for a given file to delete, based on original path
|
|
int findTrashDirectory( const TQString& origPath );
|
|
|
|
TQString trashDirectoryPath( int trashId ) const;
|
|
TQString topDirectoryPath( int trashId ) const;
|
|
|
|
bool synchronousDel( const TQString& path, bool setLastErrorCode, bool isDir );
|
|
|
|
void scanTrashDirectories() const;
|
|
|
|
int idForTrashDirectory( const TQString& trashDir ) const;
|
|
bool initTrashDirectory( const TQCString& trashDir_c ) const;
|
|
bool checkTrashSubdirs( const TQCString& trashDir_c ) const;
|
|
TQString trashForMountPoint( const TQString& topdir, bool createIfNeeded ) const;
|
|
static TQString makeRelativePath( const TQString& topdir, const TQString& path );
|
|
|
|
private slots:
|
|
void jobFinished(TDEIO::Job *job);
|
|
|
|
private:
|
|
/// Last error code stored in class to simplify API.
|
|
/// Note that this means almost no method can be const.
|
|
int m_lastErrorCode;
|
|
TQString m_lastErrorMessage;
|
|
|
|
enum { InitToBeDone, InitOK, InitError } m_initStatus;
|
|
|
|
// A "trash directory" is a physical directory on disk,
|
|
// e.g. $HOME/.local/share/Trash/$uid or /mnt/foo/.Trash/$uid
|
|
// It has an id (number) and a path.
|
|
// The home trash has id 0.
|
|
mutable TrashDirMap m_trashDirectories; // id -> path of trash directory
|
|
mutable TrashDirMap m_topDirectories; // id -> $topdir of partition
|
|
mutable int m_lastId;
|
|
dev_t m_homeDevice;
|
|
mutable bool m_trashDirectoriesScanned;
|
|
int m_mibEnum;
|
|
|
|
KSimpleConfig m_config;
|
|
|
|
// We don't cache any data related to the trashed files.
|
|
// Another tdeioslave could change that behind our feet.
|
|
// If we want to start caching data - and avoiding some race conditions -,
|
|
// we should turn this class into a kded module and use DCOP to talk to it
|
|
// from the tdeioslave.
|
|
};
|
|
|
|
#endif
|