Differential D21672 Diff 59498 src/file/powerstatemonitor.cpp

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src/file/powerstatemonitor.cpp

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24#include <QDBusMessage> 24​#include <QDBusMessage>
25#include <QDBusPendingCallWatcher> 25​#include <QDBusPendingCallWatcher>
26#include <QDBusPendingReply> 26​#include <QDBusPendingReply>
27 27​
28using namespace Baloo; 28​using namespace Baloo;
29 29​
30PowerStateMonitor::PowerStateMonitor(QObject* parent) 30​PowerStateMonitor::PowerStateMonitor(QObject* parent)
31 : QObject(parent) 31​ : QObject(parent)
32 , m_isOnBattery(false) 32​ , m_isOnBattery(true)
33{ 33​{
34 // monitor the powermanagement to not drain the battery 34​ // monitor the powermanagement to not drain the battery
35 QDBusConnection::sessionBus().connect(QStringLiteral("org.freedesktop.PowerManagement"), 35​ QDBusConnection::sessionBus().connect(QStringLiteral("org.freedesktop.PowerManagement"),
36 QStringLiteral("/org/freedesktop/PowerManagement"), 36​ QStringLiteral("/org/freedesktop/PowerManagement"),
37 QStringLiteral("org.freedesktop.PowerManagement"), 37​ QStringLiteral("org.freedesktop.PowerManagement"),
38 QStringLiteral("PowerSaveStatusChanged"), 38​ QStringLiteral("PowerSaveStatusChanged"),
39 this, SLOT(slotPowerManagementStatusChanged(bool))); 39​ this, SLOT(slotPowerManagementStatusChanged(bool)));
40 40​
41 41​
42 QDBusMessage msg = QDBusMessage::createMethodCall(QStringLiteral("org.freedesktop.PowerManagement"), 42​ QDBusMessage msg = QDBusMessage::createMethodCall(QStringLiteral("org.freedesktop.PowerManagement"),
43 QStringLiteral("/org/freedesktop/PowerManagement"), 43​ QStringLiteral("/org/freedesktop/PowerManagement"),
44 QStringLiteral("org.freedesktop.PowerManagement"), 44​ QStringLiteral("org.freedesktop.PowerManagement"),
45 QStringLiteral("GetPowerSaveStatus")); 45​ QStringLiteral("GetPowerSaveStatus"));
46 46​
47 QDBusPendingCall call = QDBusConnection::sessionBus().asyncCall(msg); 47​ QDBusPendingCall call = QDBusConnection::sessionBus().asyncCall(msg);
48 QDBusPendingCallWatcher* watcher = new QDBusPendingCallWatcher(call, this); 48​ QDBusPendingCallWatcher* watcher = new QDBusPendingCallWatcher(call, this);
49 connect(watcher, &QDBusPendingCallWatcher::finished, [&](QDBusPendingCallWatcher* watch) { 49​ connect(watcher, &QDBusPendingCallWatcher::finished, [&](QDBusPendingCallWatcher* watch) {
50 QDBusPendingReply<bool> reply = *watch; 50​ QDBusPendingReply<bool> reply = *watch;
51 if (!reply.isError()) { 51​ if (!reply.isError()) {
52 bool onBattery = reply.argumentAt<0>(); 52​ bool onBattery = reply.argumentAt<0>();
53 slotPowerManagementStatusChanged(onBattery); 53​ slotPowerManagementStatusChanged(onBattery);
54​ } else {
55​ slotPowerManagementStatusChanged(false);
54 } 56​ }
55 watch->deleteLater(); 57​ watch->deleteLater();
56 }); 58​ });
57} 59​}
58 60​
59void PowerStateMonitor::slotPowerManagementStatusChanged(bool conserveResources) 61​void PowerStateMonitor::slotPowerManagementStatusChanged(bool conserveResources)
60{ 62​{
61 if (m_isOnBattery != conserveResources) { 63​ if (m_isOnBattery != conserveResources) {
62 m_isOnBattery = conserveResources; 64​ m_isOnBattery = conserveResources;
63 Q_EMIT powerManagementStatusChanged(conserveResources); 65​ Q_EMIT powerManagementStatusChanged(conserveResources);
64 } 66​ }
65} 67​}