From bacacad6a43587393541e3adfba6a9af7009172c Mon Sep 17 00:00:00 2001
From: reion <reionwong@gmail.com>
Date: Thu, 1 Aug 2024 16:17:12 +0800
Subject: [PATCH] feat(datetime): Check availability of Auto Sync and indicate
 when it is not available

If systemd-timesyncd (Debian package name) is not installed on the user's computer,
set the option as unavailable and display a line of prompt text.
---
 src/datetime/time.cpp     |  7 +++++++
 src/datetime/time.h       |  3 +++
 src/qml/DateTime/Main.qml | 11 +++++++++++
 3 files changed, 21 insertions(+)

diff --git a/src/datetime/time.cpp b/src/datetime/time.cpp
index d5498e4..6f90875 100644
--- a/src/datetime/time.cpp
+++ b/src/datetime/time.cpp
@@ -32,6 +32,8 @@ Time::Time(QObject *parent)
     OrgFreedesktopTimedate1Interface iface(QStringLiteral("org.freedesktop.timedate1"),
                                            QStringLiteral("/org/freedesktop/timedate1"),
                                            QDBusConnection::systemBus());
+
+    m_canNTP = iface.canNTP();
     m_useNtp = iface.nTP();
 }
 
@@ -40,6 +42,11 @@ bool Time::useNtp() const
     return m_useNtp;
 }
 
+bool Time::canNTP() const
+{
+    return m_canNTP;
+}
+
 void Time::setUseNtp(bool enabled)
 {
     if (m_useNtp != enabled) {
diff --git a/src/datetime/time.h b/src/datetime/time.h
index 2907d3c..f16f418 100644
--- a/src/datetime/time.h
+++ b/src/datetime/time.h
@@ -29,6 +29,7 @@ class Time : public QObject
 {
     Q_OBJECT
     Q_PROPERTY(bool useNtp READ useNtp WRITE setUseNtp NOTIFY useNtpChanged)
+    Q_PROPERTY(bool canNTP READ canNTP CONSTANT)
     Q_PROPERTY(QTime currentTime READ currentTime WRITE setCurrentTime NOTIFY currentTimeChanged)
     Q_PROPERTY(QDate currentDate READ currentDate WRITE setCurrentDate NOTIFY currentDateChanged)
     Q_PROPERTY(bool twentyFour READ twentyFour WRITE setTwentyFour NOTIFY twentyFourChanged)
@@ -37,6 +38,7 @@ class Time : public QObject
     explicit Time(QObject *parent = nullptr);
 
     bool useNtp() const;
+    bool canNTP() const;
     void setUseNtp(bool enabled);
 
     Q_INVOKABLE void save();
@@ -57,6 +59,7 @@ class Time : public QObject
     void twentyFourChanged();
 
 private:
+    bool m_canNTP;
     bool m_useNtp;
     bool m_twentyFour;
     QTime m_currentTime;
diff --git a/src/qml/DateTime/Main.qml b/src/qml/DateTime/Main.qml
index 7b68062..06a10be 100644
--- a/src/qml/DateTime/Main.qml
+++ b/src/qml/DateTime/Main.qml
@@ -64,11 +64,22 @@ ItemPage {
                         Layout.fillHeight: true
                         rightPadding: 0
                         rightInset: 0
+                        checkable: time.canNTP
                         checked: time.useNtp
                         onCheckedChanged: time.useNtp = checked
                     }
                 }
 
+                Label {
+                    text: qsTr("Unable to use Auto Sync. Please ensure your NTP service is installed.")
+                    color: FishUI.Theme.disabledTextColor
+                    visible: !time.canNTP
+                }
+            }
+
+            RoundedItem {
+                spacing: FishUI.Units.largeSpacing * 1.5
+
                 RowLayout {
                     Label {
                         text: qsTr("24-Hour Time")