From 3b6a0066ef584a076b1a05dc5524cbfa2e2a0bb6 Mon Sep 17 00:00:00 2001
From: Javier <dev.git@javispedro.com>
Date: Sun, 13 Dec 2015 02:38:35 +0100
Subject: Implement WallTimeMonitor

---
 walltimemonitor.cpp | 65 ++++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 57 insertions(+), 8 deletions(-)

(limited to 'walltimemonitor.cpp')

diff --git a/walltimemonitor.cpp b/walltimemonitor.cpp
index 29bccee..78d500b 100644
--- a/walltimemonitor.cpp
+++ b/walltimemonitor.cpp
@@ -52,28 +52,54 @@
 #include <QtCore/QMessageLogger>
 
 #include "walltimemonitor.h"
+#include "walltimemonitor_p.h"
 
 namespace watchfish
 {
 
-class WallTimeMonitorPrivate
-{
-	WallTimeMonitor * const q_ptr;
-	Q_DECLARE_PUBLIC(WallTimeMonitor)
-
-	WallTimeMonitorPrivate(WallTimeMonitor *q);
-	~WallTimeMonitorPrivate();
-};
+Q_LOGGING_CATEGORY(walltimeMonitorCat, "watchfish-WallTimeMonitor")
 
 WallTimeMonitorPrivate::WallTimeMonitorPrivate(WallTimeMonitor *q)
 	: q_ptr(q)
 {
+	Maemo::Timed::Interface ifc;
+	ifc.settings_changed_connect(this, SLOT(handleTimedSettingsChanged(Maemo::Timed::WallClock::Info,bool)));
 
+	QDBusReply<Maemo::Timed::WallClock::Info> reply = ifc.get_wall_clock_info_sync();
+	if (reply.isValid()) {
+		info = reply.value();
+	} else {
+		qCWarning(walltimeMonitorCat) << "D-Bus error while contacting timed:" << reply.error().message();
+	}
 }
 
 WallTimeMonitorPrivate::~WallTimeMonitorPrivate()
 {
+	Maemo::Timed::Interface ifc;
+	ifc.settings_changed_disconnect(this, SLOT(handleTimedSettingsChanged(Maemo::Timed::WallClock::Info,bool)));
+}
+
+void WallTimeMonitorPrivate::handleTimedSettingsChanged(const Maemo::Timed::WallClock::Info &newInfo, bool timeChanged)
+{
+	Q_Q(WallTimeMonitor);
 
+	bool tzChange = newInfo.humanReadableTz() != info.humanReadableTz();
+	bool tzaChange = newInfo.tzAbbreviation() != info.tzAbbreviation();
+	bool tzoChange = newInfo.secondsEastOfGmt() != info.secondsEastOfGmt();
+	bool hourModeChange = newInfo.flagFormat24() != info.flagFormat24();
+
+	info = newInfo;
+
+	if (tzChange)
+		emit q->timezoneChanged();
+	if (tzaChange)
+		emit q->timezoneAbbreviationChanged();
+	if (tzoChange)
+		emit q->timezoneOffsetFromUtcChanged();
+	if (timeChanged)
+		emit q->systemTimeChanged();
+	if (tzChange || tzaChange || tzoChange || timeChanged || hourModeChange)
+		emit q->timeChanged();
 }
 
 WallTimeMonitor::WallTimeMonitor(QObject *parent)
@@ -87,4 +113,27 @@ WallTimeMonitor::~WallTimeMonitor()
 	delete d_ptr;
 }
 
+QDateTime WallTimeMonitor::time() const
+{
+	return QDateTime::currentDateTime();
+}
+
+QString WallTimeMonitor::timezone() const
+{
+	Q_D(const WallTimeMonitor);
+	return d->info.humanReadableTz();
+}
+
+QString WallTimeMonitor::timezoneAbbreviation() const
+{
+	Q_D(const WallTimeMonitor);
+	return d->info.tzAbbreviation();
+}
+
+int WallTimeMonitor::timezoneOffsetFromUtc() const
+{
+	Q_D(const WallTimeMonitor);
+	return d->info.secondsEastOfGmt();
+}
+
 }
-- 
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