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latte-dock/app/layouts/synchronizer.h
2020-03-21 12:10:19 +02:00

174 lines
4.7 KiB
C++

/*
* Copyright 2019 Michail Vourlakos <mvourlakos@gmail.com>
*
* This file is part of Latte-Dock
*
* Latte-Dock 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.
*
* Latte-Dock 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef LAYOUTSSYNCHRONIZER_H
#define LAYOUTSSYNCHRONIZER_H
// Qt
#include <QObject>
#include <QHash>
#include <QTimer>
namespace Latte {
class CentralLayout;
class SharedLayout;
class View;
namespace Layout{
class GenericLayout;
}
namespace Layouts {
class Manager;
}
}
namespace Plasma {
class Containment;
}
namespace KActivities {
class Controller;
}
namespace Latte {
namespace Layouts {
//! This is a Shares map in the following structure:
//! SHARED LAYOUT NAME -> CENTRAL LAYOUT NAMES acting as SHARES
typedef QHash<const QString, QStringList> SharesMap;
//! Layouts::Synchronizer is a very IMPORTANT class which is responsible
//! for all ACTIVE layouts, meaning layouts that have been loaded
//! in memory.
//!
//! The main task of Synchronizer is to load/unload layouts based
//! on "user preferences"/"activities settings"/"application current
//! phase" (e.g. startup/closing)
//!
class Synchronizer : public QObject {
Q_OBJECT
public:
Synchronizer(QObject *parent);
~Synchronizer() override;
void loadLayouts();
void unloadLayouts();
void hideAllViews();
void pauseLayout(QString layoutName);
void syncActiveLayoutsToOriginalFiles();
void syncLatteViewsToScreens();
void syncMultipleLayoutsToActivities(QString layoutForFreeActivities = QString());
void syncActiveShares(SharesMap &sharesMap, QStringList &deprecatedShares);
bool latteViewExists(Latte::View *view) const;
bool layoutExists(QString layoutName) const;
bool mapHasRecord(const QString &record, SharesMap &map);
bool registerAtSharedLayout(CentralLayout *central, QString id);
//! switch to specified layout, default previousMemoryUsage means that it didn't change
bool switchToLayout(QString layoutName, int previousMemoryUsage = -1);
int centralLayoutPos(QString id) const;
QString currentLayoutName() const;
QString currentLayoutNameInMultiEnvironment() const;
void setCurrentLayoutNameInMultiEnvironment(const QString &name);
QString shouldSwitchToLayout(QString activityId);
QStringList centralLayoutsNames();
QStringList layouts() const;
QStringList menuLayouts() const;
void setMenuLayouts(QStringList layouts);
QStringList sharedLayoutsNames();
QStringList storedSharedLayouts() const;
QStringList activities();
QStringList runningActivities();
QStringList freeActivities(); //! These are activities that haven't been assigned to specific layout
Latte::View *viewForContainment(Plasma::Containment *containment);
CentralLayout *currentLayout() const;
CentralLayout *centralLayout(QString id) const;
SharedLayout *sharedLayout(QString id) const;
Layout::GenericLayout *layout(QString id) const;
KActivities::Controller *activitiesController() const;
signals:
void centralLayoutsChanged();
void currentLayoutNameChanged();
void layoutsChanged();
void menuLayoutsChanged();
void runningActicitiesChanged();
void currentLayoutIsSwitching(QString layoutName);
private slots:
void confirmDynamicSwitch();
void updateDynamicSwitchInterval();
void updateCurrentLayoutNameInMultiEnvironment();
void currentActivityChanged(const QString &id);
private:
void clearSharedLayoutsFromCentralLists();
void addLayout(CentralLayout *layout);
void unloadCentralLayout(CentralLayout *layout);
void unloadSharedLayout(SharedLayout *layout);
bool layoutIsAssigned(QString layoutName);
QString layoutPath(QString layoutName);
QStringList validActivities(QStringList currentList);
private:
bool m_multipleModeInitialized{false};
QString m_currentLayoutNameInMultiEnvironment;
QString m_shouldSwitchToLayout;
QStringList m_layouts;
QStringList m_menuLayouts;
QStringList m_sharedLayoutIds;
QHash<const QString, QString> m_assignedLayouts;
QTimer m_dynamicSwitchTimer;
QList<CentralLayout *> m_centralLayouts;
QList<SharedLayout *> m_sharedLayouts;
Layouts::Manager *m_manager;
KActivities::Controller *m_activitiesController;
};
}
}
#endif