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/** \file tabs_manager.h */ // -*-c++-*-
//
// Copyright (C) 2010 Piotr Galiszewski
//
// 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; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
#ifndef APTITUDE_QT_TABS_MANAGER_H
#define APTITUDE_QT_TABS_MANAGER_H
class QWidget;
namespace aptitude
{
namespace gui
{
namespace qt
{
class tab;
/** \brief Defines the tabs that can be displayed in the main
* window, and manages their lifetimes.
*
* tabs_manager provides methods to create and/or activate each
* of the tabs that the main window can display. It manages the
* lifetime of all the tabs that it creates, ensuring that they
* are added to the correct tabs_widget and are destroyed when
* appropriate.
*
* tabs_manager is responsible for managing policies regarding
* tab lifetimes, such as ensuring that some tabs are singletons,
* or ensuring that some tabs are hidden rather than being
* deleted.
*
* tabs_manager is a singleton, reflecting the fact that the
* invariants it enforces are global over all tabs in the
* program.
*/
class tabs_manager
{
tabs_manager();
virtual ~tabs_manager();
class tabs_manager_impl;
friend class tabs_manager_impl;
public:
/** \brief Return the globally unique instance of tabs_manager. */
static tabs_manager *get_instance();
/** \brief Create a new packages_tab. */
virtual void open_packages_tab(QWidget *tab_context) = 0;
/** \brief Display the package_info_tab corresponding to the given
* package.
*
* If a package_info_tab is already displayed for this package, it
* is reused; otherwise, a new tab is created and displayed.
*/
virtual void open_package_info_tab(QWidget *tab_context) = 0;
/** \brief Display the resolver tab, creating it if it does not exist.
*
* The resolver tab is globally unique.
*/
virtual void open_resolver_tab(QWidget *tab_context) = 0;
/** \brief Display the changes_preview_tab, creating it if it does not exist.
*
* The changes_preview_tab is globally unique.
*/
virtual void open_changes_preview_tab(QWidget *tab_context) = 0;
/** \brief Display the perform_changes_tab, creating it if it does not exist.
*
* The perform_changes_tab is globally unique.
*/
virtual void open_perform_changes_tab(QWidget *tab_context) = 0;
};
}
}
}
#endif // APTITUDE_QT_TABS_MANAGER_H
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