/* -*- c++ -*-
 * progressdialog.h
 *
 *  Copyright (c) 2004 Till Adam <adam@kde.org>
 *  based on imapprogressdialog.cpp ,which is
 *  Copyright (c) 2002-2003 Klar�vdalens Datakonsult AB
 *
 *  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; version 2 of the License
 *
 *  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 *  In addition, as a special exception, the copyright holders give
 *  permission to link the code of this program with any edition of
 *  the Qt library by Trolltech AS, Norway (or with modified versions
 *  of Qt that use the same license as Qt), and distribute linked
 *  combinations including the two.  You must obey the GNU General
 *  Public License in all respects for all of the code used other than
 *  Qt.  If you modify this file, you may extend this exception to
 *  your version of the file, but you are not obligated to do so.  If
 *  you do not wish to do so, delete this exception statement from
 *  your version.
 */

#ifndef KDEPIM_PROGRESSDIALOG_H
#define KDEPIM_PROGRESSDIALOG_H

#include "overlaywidget.h"
#include "kdepim_export.h"

#include <QScrollArea>
#include <QMap>
#include <KVBox>

class QProgressBar;
class QFrame;
class QLabel;
class QPushButton;

namespace KPIM {
class ProgressItem;
class TransactionItem;
class SSLLabel;

class TransactionItemView : public QScrollArea
{
  Q_OBJECT
  public:
    explicit TransactionItemView( QWidget * parent = 0, const char * name = 0 );

    virtual ~TransactionItemView() {}
    TransactionItem *addTransactionItem( ProgressItem *item, bool first );

    QSize sizeHint() const;
    QSize minimumSizeHint() const;

  public Q_SLOTS:
    void slotLayoutFirstItem();

  protected:
    virtual void resizeEvent ( QResizeEvent *event );

  private:
    KVBox *mBigBox;
};

class TransactionItem : public KVBox
{
  Q_OBJECT
  public:
    TransactionItem( QWidget *parent, ProgressItem *item, bool first );

    ~TransactionItem();

    void hideHLine();

    void setProgress( int progress );
    void setLabel( const QString & );

    // the given text is interpreted as RichText, so you might need to
    // Qt::escape() it before passing
    void setStatus( const QString & );

    void setCrypto( bool );
    void setTotalSteps( int totalSteps );

    ProgressItem *item() const { return mItem; }

    void addSubTransaction( ProgressItem *item );

    // The progressitem is deleted immediately, we take 5s to go out,
    // so better not use mItem during this time.
    void setItemComplete() { mItem = 0; }

  public Q_SLOTS:
    void slotItemCanceled();

  protected:
    QProgressBar *mProgress;
    QPushButton  *mCancelButton;
    QLabel       *mItemLabel;
    QLabel       *mItemStatus;
    QFrame       *mFrame;
    SSLLabel     *mSSLLabel;
    ProgressItem *mItem;
};

class KDEPIM_EXPORT ProgressDialog : public OverlayWidget
{
  Q_OBJECT
  public:
    ProgressDialog( QWidget *alignWidget, QWidget *parent, const char *name = 0 );
    ~ProgressDialog();
    void setVisible( bool b );

  public Q_SLOTS:
    void slotToggleVisibility();

  protected Q_SLOTS:
    void slotTransactionAdded( KPIM::ProgressItem *item );
    void slotTransactionCompleted( KPIM::ProgressItem *item );
    void slotTransactionCanceled( KPIM::ProgressItem *item );
    void slotTransactionProgress( KPIM::ProgressItem *item, unsigned int progress );
    void slotTransactionStatus( KPIM::ProgressItem *item, const QString & );
    void slotTransactionLabel( KPIM::ProgressItem *item, const QString & );
    void slotTransactionUsesCrypto( KPIM::ProgressItem *item, bool );
    void slotTransactionUsesBusyIndicator( KPIM::ProgressItem *, bool );

    void slotClose();
    void slotShow();
    void slotHide();

  Q_SIGNALS:
    void visibilityChanged( bool );

  protected:
    virtual void closeEvent( QCloseEvent * );

    TransactionItemView *mScrollView;
    TransactionItem *mPreviousItem;
    QMap<const ProgressItem *, TransactionItem *> mTransactionsToListviewItems;
    bool mWasLastShown;
};

} // namespace KPIM

#endif // __KPIM_PROGRESSDIALOG_H__
