AramJonghu
016dcc008f
- typo in searchindex - Cpp plugin changed to use enum lidstate - minor refactor - Using signals instead of direct property access. - Using states instead - checking lidclosed instead of preparetosleep
75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
#include "lidwatcher.hpp"
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#include <QtDBus/QDBusConnection>
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#include <QtDBus/QDBusMessage>
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#include <QtDBus/QDBusReply>
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#include <QLoggingCategory>
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Q_LOGGING_CATEGORY(lcLidWatcher, "ZShell.lidwatcher", QtInfoMsg)
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namespace ZShell {
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static constexpr auto kLogin1Service = "org.freedesktop.login1";
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static constexpr auto kLogin1Path = "/org/freedesktop/login1";
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static constexpr auto kLogin1Interface = "org.freedesktop.login1.Manager";
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static constexpr auto kDBusPropertiesInterface = "org.freedesktop.DBus.Properties";
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LidWatcher::LidWatcher(QObject* parent)
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: QObject(parent)
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, m_available(false)
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, m_state(Opened) {
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QDBusConnection bus = QDBusConnection::systemBus();
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m_available = bus.isConnected();
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if (!m_available) {
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qCWarning(lcLidWatcher) << "system bus unavailable";
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emit availableChanged();
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return;
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}
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const auto ok = bus.connect(kLogin1Service, kLogin1Path, kDBusPropertiesInterface, "PropertiesChanged",
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this, SLOT(onPropertiesChanged(QString,QVariantMap,QStringList)));
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m_available = ok;
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emit availableChanged();
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if (!m_available) {
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qCWarning(lcLidWatcher) << "login1 properties signal unavailable";
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return;
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}
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queryInitialState();
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}
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bool LidWatcher::available() const {
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return m_available;
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}
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LidWatcher::LidState LidWatcher::state() const {
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return m_state;
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}
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void LidWatcher::queryInitialState() {
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const auto msg = QDBusMessage::createMethodCall(
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kLogin1Service, kLogin1Path,
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kDBusPropertiesInterface, "Get");
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msg << kLogin1Interface << "LidClosed";
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const QDBusReply<QVariant> reply = QDBusConnection::systemBus().call(msg);
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if (!reply.isValid()) {
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qCWarning(lcLidWatcher) << "cannot query LidClosed:" << reply.error().message();
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return;
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}
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m_state = reply.value().toBool() ? Closed : Opened;
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emit stateChanged();
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}
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void LidWatcher::onPropertiesChanged(const QString& interface, const QVariantMap& changed, const QStringList& /*invalidated*/) {
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if (interface != kLogin1Interface)
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return;
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if (!changed.contains("LidClosed"))
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return;
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m_state = changed.value("LidClosed").toBool() ? Closed : Opened;
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emit stateChanged();
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}
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} // namespace ZShell
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