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113 lines
3.3 KiB
C++
113 lines
3.3 KiB
C++
/*
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* Copyright 2018 Michail Vourlakos <mvourlakos@gmail.com>
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*
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* This file is part of Latte-Dock
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*
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* Latte-Dock is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* Latte-Dock is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PLASMABACKGROUNDCACHE_H
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#define PLASMABACKGROUNDCACHE_H
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// local
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#include "screenpool.h"
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// Qt
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#include <QHash>
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#include <QObject>
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// Plasma
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#include <Plasma>
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// KDE
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#include <KConfigGroup>
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#include <KSharedConfig>
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struct imageHints {
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bool busy{false};
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float brightness{-1000};
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};
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typedef QHash<Plasma::Types::Location, imageHints> EdgesHash;
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namespace Latte {
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namespace PlasmaExtended {
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class BackgroundCache: public QObject
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{
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Q_OBJECT
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public:
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static BackgroundCache *self();
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~BackgroundCache() override;
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bool busyFor(QString activity, QString screen, Plasma::Types::Location location);
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float brightnessFor(QString activity, QString screen, Plasma::Types::Location location);
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QString background(QString activity, QString screen);
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void setBackgroundFromBroadcast(QString activity, QString screen, QString filename);
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void setBroadcastedBackgroundsEnabled(QString activity, QString screen, bool enabled);
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signals:
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void backgroundChanged(const QString &activity, const QString &screenName);
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private slots:
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void reload();
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void settingsFileChanged(const QString &file);
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private:
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BackgroundCache(QObject *parent = nullptr);
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bool backgroundIsBroadcasted(QString activity, QString screenName);
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bool pluginExistsFor(QString activity, QString screenName);
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bool areaIsBusy(float bright1, float bright2);
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bool busyForFile(QString imageFile, Plasma::Types::Location location);
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bool isDesktopContainment(const KConfigGroup &containment) const;
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float brightnessForFile(QString imageFile, Plasma::Types::Location location);
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float brightnessFromArea(QImage &image, int firstRow, int firstColumn, int endRow, int endColumn);
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QString backgroundFromConfig(const KConfigGroup &config, QString wallpaperPlugin) const;
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void cleanupHashes();
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void updateImageCalculations(QString imageFile, Plasma::Types::Location location);
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private:
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bool m_initialized{false};
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QString m_defaultWallpaperPath;
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ScreenPool *m_pool{nullptr};
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//! screen aware backgrounds: activity id, screen name, backgroundfile
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QHash<QString, QHash<QString, QString>> m_backgrounds;
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//! plugin names tracked: activity id, screen name, pluginName
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QHash<QString, QHash<QString, QString>> m_plugins;
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//! backgrounds that are broadcasted (not found through plasma files):
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//! and have higher priority: activity id, screen names
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QHash<QString, QList<QString>> m_broadcasted;
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//! image file and brightness per edge
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QHash<QString, EdgesHash> m_hintsCache;
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KSharedConfig::Ptr m_plasmaConfig;
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};
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}
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}
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#endif
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