Port signal strength indicator to ModemManager

CMakeLists.txt

@@ -39,6 +39,7 @@ find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS
     Service
     Notifications
     Wayland
+    ModemManagerQt
 )
 find_package(KWinDBusInterface)
 set_package_properties(KWinDBusInterface PROPERTIES DESCRIPTION "KWin DBus interface"
@@ -59,6 +60,7 @@ add_subdirectory(bin)
 add_subdirectory(applets)
 add_subdirectory(containments)
 add_subdirectory(components)
+add_subdirectory(mmplugin)
 
 find_program(PlasmaOpenSettings plasma-open-settings)
 set_package_properties(PlasmaOpenSettings PROPERTIES

containments/panel/package/contents/ui/indicators/SignalStrength.qml

@@ -15,7 +15,6 @@ import org.kde.plasma.components 2.0 as PlasmaComponents
 import "providers"
 
 Item {
-    // we can't use SignalStrengthProvider as the var type as it would import ofono (which may cause it to break if ofono is not installed)
     required property QtObject provider
     
     width: strengthIcon.height + strengthLabel.width

containments/panel/package/contents/ui/indicators/providers/SignalStrengthProvider.qml

@@ -8,30 +8,12 @@
 import QtQuick 2.1
 import QtQuick.Layouts 1.1
 
-import MeeGo.QOfono 0.2
+import org.kde.plasma.mm 1.0
-
-import org.kde.plasma.plasmoid 2.0
-import org.kde.plasma.core 2.0 as PlasmaCore
-import org.kde.plasma.components 2.0 as PlasmaComponents
 
 QtObject {
-    property string icon: netreg.strength == 100 ? "network-mobile-100"
-                        : netreg.strength >= 80 ? "network-mobile-80"
-                        : netreg.strength >= 60 ? "network-mobile-60"
-                        : netreg.strength >= 40 ? "network-mobile-40"
-                        : netreg.strength >= 20 ? "network-mobile-20"
-                        : "network-mobile-0"
 
-    property string label: simManager.pinRequired !== OfonoSimManager.NoPin ? i18n("Sim locked") : netreg.name
+    property string icon: "network-mobile-" + Math.floor(SignalIndicator.strength / 20) * 20
     
-    property OfonoManager ofonoManager: OfonoManager {}
+    property string label: SignalIndicator.simLocked ? i18n("Sim Locked") : SignalIndicator.name
-
-    property OfonoNetworkRegistration netreg: OfonoNetworkRegistration {
-        modemPath: ofonoManager.modems.length ? ofonoManager.modems[0] : ""
-    }
-
-    property OfonoSimManager simManager: OfonoSimManager {
-        modemPath: ofonoManager.modems.length ? ofonoManager.modems[0] : ""
-    }
 }
 

look-and-feel/contents/lockscreen/SimpleHeaderBar.qml

@@ -56,7 +56,15 @@ PlasmaCore.ColorScope {
         id: strengthLoader
         height: parent.height
         width: item ? item.width : 0
-        source: Qt.resolvedUrl("indicators/SignalStrength.qml")
+        active: signalStrengthProviderLoader.item
+        sourceComponent: Indicators.SignalStrength {
+            provider: signalStrengthProviderLoader.item
+        }
+    }
+
+    Loader {
+        id: signalStrengthProviderLoader
+        source: Qt.resolvedUrl("indicators/providers/SignalStrengthProvider.qml")
     }
 
     PlasmaComponents.Label {

look-and-feel/contents/lockscreen/indicators/SignalStrength.qml

@@ -1,4 +1,5 @@
 /*
+ *  SPDX-FileCopyrightText: 2021 Devin Lin <espidev@gmail.com>
  *  SPDX-FileCopyrightText: 2015 Marco Martin <mart@kde.org>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
@@ -7,71 +8,34 @@
 import QtQuick 2.1
 import QtQuick.Layouts 1.1
 
-import MeeGo.QOfono 0.2
-
 import org.kde.plasma.core 2.0 as PlasmaCore
 import org.kde.plasma.components 2.0 as PlasmaComponents
 
+import "providers"
 
 Item {
+    required property QtObject provider
 
     width: strengthIcon.height + strengthLabel.width
     Layout.minimumWidth: strengthIcon.height + strengthLabel.width
-    OfonoManager {
-        id: ofonoManager
-    }
-
-    OfonoNetworkRegistration {
-        id: netreg
-        Component.onCompleted: {
-            updateStrengthIcon()
-        }
-
-        onNetworkOperatorsChanged : {
-            console.log("operators :"+netreg.currentOperator["Name"].toString())
-        }
-        modemPath: ofonoManager.modems.length ? ofonoManager.modems[0] : ""
-        function updateStrengthIcon() {
-            if (netreg.strength >= 100) {
-                strengthIcon.source = "network-mobile-100";
-            } else if (netreg.strength >= 80) {
-                strengthIcon.source = "network-mobile-80";
-            } else if (netreg.strength >= 60) {
-                strengthIcon.source = "network-mobile-60";
-            } else if (netreg.strength >= 40) {
-                strengthIcon.source = "network-mobile-40";
-            } else if (netreg.strength >= 20) {
-                strengthIcon.source = "network-mobile-20";
-            } else {
-                strengthIcon.source = "network-mobile-0";
-            }
-        }
-
-        onStrengthChanged: {
-            console.log("Strength changed to " + netreg.strength)
-            updateStrengthIcon()
-        }
-    }
-
-
 
     PlasmaCore.IconItem {
         id: strengthIcon
         colorGroup: PlasmaCore.ColorScope.colorGroup
-        anchors {
+        anchors.left: parent.left
-            left: parent.left
+        anchors.verticalCenter: parent.verticalCenter
-            verticalCenter: parent.verticalCenter
-        }
         width: height
         height: parent.height
+
+        source: provider.icon
     }
+
     PlasmaComponents.Label {
-        id: strengthLabel
+        id: label
-        anchors {
+        anchors.left: strengthIcon.right
-            left: strengthIcon.right
+        anchors.verticalCenter: parent.verticalCenter
-            verticalCenter: parent.verticalCenter
+
-        }
+        text: provider.label
-        text: netreg.name
         color: PlasmaCore.ColorScope.textColor
         font.pixelSize: parent.height / 2
     }

look-and-feel/contents/lockscreen/indicators/providers/SignalStrengthProvider.qml

@@ -0,0 +1,19 @@
+/*
+ *  SPDX-FileCopyrightText: 2015 Marco Martin <mart@kde.org>
+ *  SPDX-FileCopyrightText: 2021 Devin Lin <espidev@gmail.com>
+ *  SPDX-FileCopyrightText: 2021 Tobias Fella <fella@posteo.de>
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+import QtQuick 2.1
+
+import org.kde.plasma.mm 1.0
+
+QtObject {
+
+    property string icon: "network-mobile-" + Math.floor(SignalIndicator.strength / 20) * 20
+
+    property string label: SignalIndicator.simLocked ? i18n("Sim Locked") : SignalIndicator.name
+}
+

mmplugin/CMakeLists.txt

@@ -0,0 +1,16 @@
+add_library(ppc-mmqmlplugin)
+target_sources(ppc-mmqmlplugin PRIVATE
+    mmqmlplugin.cpp
+    signalindicator.cpp
+)
+
+target_link_libraries(ppc-mmqmlplugin
+    Qt5::Qml
+    KF5::ModemManagerQt
+)
+
+set_property(TARGET ppc-mmqmlplugin PROPERTY LIBRARY_OUTPUT_DIRECTORY ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/org/kde/plasma/mm)
+file(COPY qmldir DESTINATION ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/org/kde/plasma/mm)
+
+install(TARGETS ppc-mmqmlplugin DESTINATION ${QML_INSTALL_DIR}/org/kde/plasma/mm)
+install(FILES qmldir ${qml_SRC} DESTINATION ${QML_INSTALL_DIR}/org/kde/plasma/mm)

mmplugin/mmqmlplugin.cpp

@@ -0,0 +1,16 @@
+// SPDX-FileCopyrightText: 2021 Tobias Fella <fella@posteo.de>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "mmqmlplugin.h"
+
+#include <QQmlContext>
+#include <QQmlEngine>
+
+#include "signalindicator.h"
+
+void MmQmlPlugin::registerTypes(const char *)
+{
+    qmlRegisterSingletonType<SignalIndicator>("org.kde.plasma.mm", 1, 0, "SignalIndicator", [](QQmlEngine *, QJSEngine *) -> QObject * {
+        return new SignalIndicator();
+    });
+}

mmplugin/mmqmlplugin.h

@@ -0,0 +1,14 @@
+// SPDX-FileCopyrightText: 2021 Tobias Fella <fella@posteo.de>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <QQmlExtensionPlugin>
+
+class MmQmlPlugin : public QQmlExtensionPlugin
+{
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QQmlExtensionInterface")
+
+    void registerTypes(const char *uri) override;
+};

mmplugin/qmldir

@@ -0,0 +1,3 @@
+module org.kde.plasma.mm
+plugin ppc-mmqmlplugin
+classname MmQmlPlugin

mmplugin/signalindicator.cpp

@@ -0,0 +1,52 @@
+// SPDX-FileCopyrightText: 2021 Tobias Fella <fella@posteo.de>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "signalindicator.h"
+
+SignalIndicator::SignalIndicator()
+{
+    connect(ModemManager::notifier(), &ModemManager::Notifier::modemAdded, this, &SignalIndicator::updateModem);
+    connect(ModemManager::notifier(), &ModemManager::Notifier::modemRemoved, this, &SignalIndicator::updateModem);
+    updateModem();
+}
+
+int SignalIndicator::strength() const
+{
+    if (!m_modem) {
+        return 0;
+    }
+    return m_modem->signalQuality().signal;
+}
+
+QString SignalIndicator::name() const
+{
+    return m_3gppModem ? m_3gppModem->operatorName() : QString();
+}
+
+bool SignalIndicator::simLocked() const
+{
+    if (!m_modem) {
+        return true;
+    }
+    return !(m_modem->unlockRequired() == MM_MODEM_LOCK_NONE || m_modem->unlockRequired() == MM_MODEM_LOCK_SIM_PIN2);
+}
+
+bool SignalIndicator::available() const
+{
+    return !ModemManager::modemDevices().isEmpty();
+}
+
+void SignalIndicator::updateModem()
+{
+    if (!available()) {
+        qWarning() << "No modems available";
+        return;
+    }
+    m_modem = ModemManager::modemDevices()[0]->modemInterface();
+    m_3gppModem = ModemManager::modemDevices()[0]->interface(ModemManager::ModemDevice::GsmInterface).objectCast<ModemManager::Modem3gpp>();
+    Q_EMIT nameChanged();
+    connect(m_modem.get(), &ModemManager::Modem::signalQualityChanged, this, &SignalIndicator::strengthChanged);
+    connect(m_3gppModem.get(), &ModemManager::Modem3gpp::operatorNameChanged, this, &SignalIndicator::nameChanged);
+    connect(m_modem.get(), &ModemManager::Modem::unlockRequiredChanged, this, &SignalIndicator::simLockedChanged);
+    Q_EMIT availableChanged();
+}

mmplugin/signalindicator.h

@@ -0,0 +1,37 @@
+// SPDX-FileCopyrightText: 2021 Tobias Fella <fella@posteo.de>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <ModemManagerQt/Manager>
+#include <ModemManagerQt/modem3gpp.h>
+#include <QObject>
+
+class SignalIndicator : public QObject
+{
+    Q_OBJECT
+
+    Q_PROPERTY(int strength READ strength NOTIFY strengthChanged)
+    Q_PROPERTY(QString name READ name NOTIFY nameChanged)
+    Q_PROPERTY(bool simLocked READ simLocked NOTIFY simLockedChanged)
+    Q_PROPERTY(bool available READ available NOTIFY availableChanged)
+
+public:
+    SignalIndicator();
+
+    int strength() const;
+    QString name() const;
+    bool simLocked() const;
+    bool available() const;
+
+Q_SIGNALS:
+    void strengthChanged();
+    void nameChanged();
+    void simLockedChanged();
+    void availableChanged();
+
+private:
+    ModemManager::Modem::Ptr m_modem;
+    ModemManager::Modem3gpp::Ptr m_3gppModem;
+    void updateModem();
+};