/* This file is part of the KDE project
   Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
   Copyright (c) 1999, 2000 Preston Brown <pbrown@kde.org>
   Copyright (c) 2000 Simon Hausmann <hausmann@kde.org>
   Copyright (c) 2000 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.
*/

/*
 * This file holds the definitions for all classes used to
 * display a properties dialog.
 */

#ifndef KPROPERTIESDIALOGP_H
#define KPROPERTIESDIALOGP_H

#include "kpropertiesdialog.h"

#include <QCryptographicHash>

class QComboBox;
class QLabel;

namespace KDEPrivate
{

/**
 * 'General' plugin
 *  This plugin displays the name of the file, its size and access times.
 * @internal
 */
class KFilePropsPlugin : public KPropertiesDialogPlugin
{
    Q_OBJECT
public:
    /**
     * Constructor
     */
    KFilePropsPlugin(KPropertiesDialog *_props);
    virtual ~KFilePropsPlugin();

    /**
     * Applies all changes made.  This plugin must be always the first
     * plugin in the dialog, since this function may rename the file which
     * may confuse other applyChanges functions.
     */
    void applyChanges() Q_DECL_OVERRIDE;

    /**
     * Tests whether the files specified by _items need a 'General' plugin.
     */
    static bool supports(const KFileItemList &_items);

    /**
     * Called after all plugins applied their changes
     */
    void postApplyChanges();

    void setFileNameReadOnly(bool ro);

protected Q_SLOTS:
    void slotEditFileType();
    void slotCopyFinished(KJob *);
    void slotFileRenamed(KIO::Job *, const QUrl &, const QUrl &);
    void slotDirSizeUpdate();
    void slotDirSizeFinished(KJob *);
    void slotFreeSpaceResult(KIO::Job *job, KIO::filesize_t size, KIO::filesize_t available);
    void slotSizeStop();
    void slotSizeDetermine();

Q_SIGNALS:
    void leaveModality();
private Q_SLOTS:
    void nameFileChanged(const QString &text);
    void slotIconChanged();

private:
    bool enableIconButton() const;
    void determineRelativePath(const QString &path);
    void applyIconChanges();

    class KFilePropsPluginPrivate;
    KFilePropsPluginPrivate *const d;
};

/**
 * 'Permissions' plugin
 * In this plugin you can modify permissions and change
 * the owner of a file.
 * @internal
 */
class KFilePermissionsPropsPlugin : public KPropertiesDialogPlugin
{
    Q_OBJECT
public:
    enum PermissionsMode {
        PermissionsOnlyFiles = 0,
        PermissionsOnlyDirs = 1,
        PermissionsOnlyLinks = 2,
        PermissionsMixed = 3
    };

    enum PermissionsTarget {
        PermissionsOwner  = 0,
        PermissionsGroup  = 1,
        PermissionsOthers = 2
    };

    /**
     * Constructor
     */
    KFilePermissionsPropsPlugin(KPropertiesDialog *_props);
    virtual ~KFilePermissionsPropsPlugin();

    void applyChanges() Q_DECL_OVERRIDE;

    /**
     * Tests whether the file specified by _items needs a 'Permissions' plugin.
     */
    static bool supports(const KFileItemList &_items);

private Q_SLOTS:

    void slotChmodResult(KJob *);
    void slotShowAdvancedPermissions();

Q_SIGNALS:
    void leaveModality();

private:
    void setComboContent(QComboBox *combo, PermissionsTarget target,
                         mode_t permissions, mode_t partial);
    bool isIrregular(mode_t permissions, bool isDir, bool isLink);
    void enableAccessControls(bool enable);
    void updateAccessControls();
    void getPermissionMasks(mode_t &andFilePermissions,
                            mode_t &andDirPermissions,
                            mode_t &orFilePermissions,
                            mode_t &orDirPermissions);

    static const mode_t permissionsMasks[3];
    static const mode_t standardPermissions[4];
    static const char *const permissionsTexts[4][4];

    static const mode_t fperm[3][4];

    class KFilePermissionsPropsPluginPrivate;
    KFilePermissionsPropsPluginPrivate *const d;
};

class KChecksumsPlugin : public KPropertiesDialogPlugin
{
    Q_OBJECT
public:
    KChecksumsPlugin(KPropertiesDialog *dialog);
    virtual ~KChecksumsPlugin();

    static bool supports(const KFileItemList &items);

private Q_SLOTS:
    void slotInvalidateCache();
    void slotShowMd5();
    void slotShowSha1();
    void slotShowSha256();
    /**
     * Compare @p input (required to be lowercase) with the checksum in cache.
     */
    void slotVerifyChecksum(const QString &input);

private:
    static bool isMd5(const QString &input);
    static bool isSha1(const QString &input);
    static bool isSha256(const QString &input);
    static QString computeChecksum(QCryptographicHash::Algorithm algorithm, const QString &path);
    static QCryptographicHash::Algorithm detectAlgorithm(const QString &input);

    void setDefaultState();
    void setInvalidChecksumState();
    void setMatchState();
    void setMismatchState();
    void setVerifyState();
    void showChecksum(QCryptographicHash::Algorithm algorithm, QLabel *label, QPushButton *copyButton);

    QString cachedChecksum(QCryptographicHash::Algorithm algorithm) const;
    void cacheChecksum(const QString &checksum, QCryptographicHash::Algorithm algorithm);

    class KChecksumsPluginPrivate;
    KChecksumsPluginPrivate *const d;
};

/**
 * Used to edit the files containing
 * [Desktop Entry]
 * URL=....
 *
 * Such files are used to represent a program in kicker and konqueror.
 * @internal
 */
class KUrlPropsPlugin : public KPropertiesDialogPlugin
{
    Q_OBJECT
public:
    /**
     * Constructor
     */
    KUrlPropsPlugin(KPropertiesDialog *_props);
    virtual ~KUrlPropsPlugin();

    void applyChanges() Q_DECL_OVERRIDE;

    void setFileNameReadOnly(bool ro);

    static bool supports(const KFileItemList &_items);

private:
    class KUrlPropsPluginPrivate;
    KUrlPropsPluginPrivate *const d;
};

/**
 * Properties plugin for device .desktop files
 * @internal
 */
class KDevicePropsPlugin : public KPropertiesDialogPlugin
{
    Q_OBJECT
public:
    KDevicePropsPlugin(KPropertiesDialog *_props);
    virtual ~KDevicePropsPlugin();

    void applyChanges() Q_DECL_OVERRIDE;

    static bool supports(const KFileItemList &_items);

private Q_SLOTS:
    void slotActivated(int);
    void slotDeviceChanged();
    void slotFoundMountPoint(const QString &mp, quint64 kibSize,
                             quint64 kibUsed, quint64 kibAvail);

private:
    void updateInfo();

private:
    class KDevicePropsPluginPrivate;
    KDevicePropsPluginPrivate *const d;
};

/**
 * Used to edit the files containing
 * [Desktop Entry]
 * Type=Application
 *
 * Such files are used to represent a program in kicker and konqueror.
 * @internal
 */
class KDesktopPropsPlugin : public KPropertiesDialogPlugin
{
    Q_OBJECT
public:
    /**
     * Constructor
     */
    KDesktopPropsPlugin(KPropertiesDialog *_props);
    virtual ~KDesktopPropsPlugin();

    void applyChanges() Q_DECL_OVERRIDE;

    static bool supports(const KFileItemList &_items);

public Q_SLOTS:
    void slotAddFiletype();
    void slotDelFiletype();
    void slotBrowseExec();
    void slotAdvanced();

private:
    void checkCommandChanged();

private:
    class KDesktopPropsPluginPrivate;
    KDesktopPropsPluginPrivate *const d;
};

}

#endif
