kupdatenotifier: new app to notify for software updates

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>

CMakeLists.txt

@@ -26,3 +26,4 @@ macro_optional_add_subdirectory (zeroconf-ioslave)
 macro_optional_add_subdirectory (kdestopspy)
 macro_optional_add_subdirectory (kvolume)
 macro_optional_add_subdirectory (ksnapshot)
+macro_optional_add_subdirectory (kupdatenotifier)

kupdatenotifier/CMakeLists.txt

@@ -0,0 +1,28 @@
+project(kupdatenotifier)
+
+if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
+    find_package(KDE4 4.21.0 REQUIRED)
+    include(KDE4Defaults)
+    include_directories(${KDE4_INCLUDES})
+    add_definitions(${QT_DEFINITIONS} ${KDE4_DEFINITIONS})
+endif()
+
+########### next target ###############
+
+set(kupdatenotifier_SRCS
+    main.cpp
+    kupdatenotifier.cpp
+)
+
+add_executable(kupdatenotifier ${kupdatenotifier_SRCS})
+
+target_link_libraries(kupdatenotifier ${KDE4_KDEUI_LIBS})
+
+install(TARGETS kupdatenotifier ${INSTALL_TARGETS_DEFAULT_ARGS})
+
+########### next target ###############
+
+install(
+    PROGRAMS kupdatenotifier.desktop
+    DESTINATION ${KDE4_XDG_APPS_INSTALL_DIR}
+)

kupdatenotifier/kupdatenotifier.cpp

@@ -0,0 +1,68 @@
+/*  This file is part of the KDE project
+    Copyright (C) 2022 Ivailo Monev <xakepa10@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License version 2, as published by the Free Software Foundation.
+
+    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.
+*/
+
+#include "kupdatenotifier.h"
+
+#include <kactioncollection.h>
+#include <kcomponentdata.h>
+#include <klocale.h>
+#include <kglobal.h>
+#include <kdebug.h>
+
+// for reference:
+// https://www.freedesktop.org/software/PackageKit/gtk-doc/PackageKit.html
+#define PACKAGEKIT_SERVICE "org.freedesktop.PackageKit"
+#define PACKAGEKIT_PATH "/org/freedesktop/PackageKit"
+#define PACKAGEKIT_IFACE "org.freedesktop.PackageKit"
+
+KUpdateNotifier::KUpdateNotifier(QObject* parent)
+    : KStatusNotifierItem(parent),
+    m_menu(nullptr),
+    m_helpmenu(nullptr),
+    m_interface(PACKAGEKIT_SERVICE, PACKAGEKIT_PATH, PACKAGEKIT_IFACE, QDBusConnection::systemBus(), this)
+{
+    setTitle(i18n("Update notifier"));
+    setCategory(KStatusNotifierItem::SystemServices);
+    setIconByName("system-software-update");
+    setStatus(KStatusNotifierItem::Passive);
+
+    m_menu = new KMenu(associatedWidget());
+    setContextMenu(m_menu);
+
+    m_helpmenu = new KHelpMenu(associatedWidget(), KGlobal::mainComponent().aboutData());
+    m_menu->addMenu(m_helpmenu->menu());
+
+    if (m_interface.isValid()) {
+        connect(&m_interface, SIGNAL(UpdatesChanged()), this, SLOT(slotUpdatesChanged()));
+        // qDebug() << Q_FUNC_INFO << m_interface.property("NetworkState");
+    } else {
+        setOverlayIconByName("dialog-error");
+        showMessage(i18n("Update notifier"), i18n("PackageKit interface is not valid"), "dialog-error");
+    }
+}
+
+KUpdateNotifier::~KUpdateNotifier()
+{
+}
+
+void KUpdateNotifier::slotUpdatesChanged()
+{
+    // qDebug() << Q_FUNC_INFO;
+    setStatus(KStatusNotifierItem::NeedsAttention);
+    showMessage(i18n("Update notifier"), i18n("Updates available"), "vcs-update-required");
+}

kupdatenotifier/kupdatenotifier.desktop

@@ -0,0 +1,9 @@
+[Desktop Entry]
+Name=KUpdateNotifier
+GenericName=Update notifier
+Comment=A panel applet for software updates notification.
+Exec=kupdatenotifier --icon '%i' --caption '%c'
+Icon=system-software-update
+Type=Application
+OnlyShowIn=KDE;
+Categories=Qt;KDE;System;

kupdatenotifier/kupdatenotifier.h

@@ -0,0 +1,43 @@
+/*  This file is part of the KDE project
+    Copyright (C) 2022 Ivailo Monev <xakepa10@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License version 2, as published by the Free Software Foundation.
+
+    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.
+*/
+
+#ifndef KUPDATENOTIFIER_H
+#define KUPDATENOTIFIER_H
+
+#include <QDBusInterface>
+#include <kstatusnotifieritem.h>
+#include <kmenu.h>
+#include <khelpmenu.h>
+
+class KUpdateNotifier : public KStatusNotifierItem
+{
+    Q_OBJECT
+public:
+    KUpdateNotifier(QObject* parent = nullptr);
+    ~KUpdateNotifier();
+
+private Q_SLOTS:
+    void slotUpdatesChanged();
+
+private:
+    KMenu* m_menu;
+    KHelpMenu* m_helpmenu;
+    QDBusInterface m_interface;
+};
+
+#endif // KUPDATENOTIFIER_H

kupdatenotifier/main.cpp

@@ -0,0 +1,58 @@
+/*  This file is part of the KDE project
+    Copyright (C) 2022 Ivailo Monev <xakepa10@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License version 2, as published by the Free Software Foundation.
+
+    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.
+*/
+
+#include <kuniqueapplication.h>
+#include <klocale.h>
+#include <kcmdlineargs.h>
+#include <kaboutdata.h>
+#include <kdebug.h>
+
+#include "kupdatenotifier.h"
+
+int main(int argc, char** argv)
+{
+    KAboutData aboutData(
+        "kupdatenotifier", 0, ki18n("KUpdateNotifier"),
+        "1.0.0", ki18n("A panel applet for software updates notification."),
+        KAboutData::License_GPL_V2,
+        ki18n("(c) 2022 Ivailo Monev"),
+        KLocalizedString(),
+        "http://github.com/fluxer/katana"
+    );
+
+    aboutData.addAuthor(
+        ki18n("Ivailo Monev"),
+        ki18n("Maintainer"),
+        "xakepa10@gmail.com"
+    );
+    aboutData.setProgramIconName(QLatin1String("system-software-update"));
+
+    KCmdLineArgs::init(argc, argv, &aboutData);
+    KUniqueApplication::addCmdLineOptions();
+
+    KUniqueApplication kupdatenotifierapp;
+    kupdatenotifierapp.setQuitOnLastWindowClosed(false);
+    if (!KUniqueApplication::start()) {
+        kWarning() << "kupdatenotifier is already running!";
+        return 0;
+    }
+
+    KUpdateNotifier kupdatenotifier(&kupdatenotifierapp);
+
+    return kupdatenotifierapp.exec();
+}