143 lines
5.6 KiB
C++
143 lines
5.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QT_NO_SYSTEMTRAYICON
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#include "qdbustrayicon_p.h"
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#endif
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#include "qdbusmenuconnection_p.h"
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#include "qdbusmenuadaptor_p.h"
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#include "qdbusplatformmenu_p.h"
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#include <QtDBus/QDBusMessage>
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#include <QtDBus/QDBusServiceWatcher>
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#include <QtDBus/QDBusConnectionInterface>
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#include <qdebug.h>
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#include <qcoreapplication.h>
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QT_BEGIN_NAMESPACE
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Q_DECLARE_LOGGING_CATEGORY(qLcMenu)
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const QString StatusNotifierWatcherService = QLatin1String("org.kde.StatusNotifierWatcher");
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const QString StatusNotifierWatcherPath = QLatin1String("/StatusNotifierWatcher");
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const QString StatusNotifierItemPath = QLatin1String("/StatusNotifierItem");
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const QString MenuBarPath = QLatin1String("/MenuBar");
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/*!
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\class QDBusMenuConnection
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\internal
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A D-Bus connection which is used for both menu and tray icon services.
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Connects to the session bus and registers with the respective watcher services.
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*/
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QDBusMenuConnection::QDBusMenuConnection(QObject *parent, const QString &serviceName)
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: QObject(parent)
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, m_connection(serviceName.isNull() ? QDBusConnection::sessionBus()
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: QDBusConnection::connectToBus(QDBusConnection::SessionBus, serviceName))
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, m_dbusWatcher(new QDBusServiceWatcher(StatusNotifierWatcherService, m_connection, QDBusServiceWatcher::WatchForRegistration, this))
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, m_statusNotifierHostRegistered(false)
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{
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#ifndef QT_NO_SYSTEMTRAYICON
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QDBusInterface systrayHost(StatusNotifierWatcherService, StatusNotifierWatcherPath, StatusNotifierWatcherService, m_connection);
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if (systrayHost.isValid() && systrayHost.property("IsStatusNotifierHostRegistered").toBool())
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m_statusNotifierHostRegistered = true;
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else
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qCDebug(qLcMenu) << "StatusNotifierHost is not registered";
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#endif
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}
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void QDBusMenuConnection::dbusError(const QDBusError &error)
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{
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qWarning() << "QDBusTrayIcon encountered a D-Bus error:" << error;
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}
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#ifndef QT_NO_SYSTEMTRAYICON
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bool QDBusMenuConnection::registerTrayIconMenu(QDBusTrayIcon *item)
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{
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bool success = connection().registerObject(MenuBarPath, item->menu());
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if (!success) // success == false is normal, because the object may be already registered
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qCDebug(qLcMenu) << "failed to register" << item->instanceId() << MenuBarPath;
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return success;
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}
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void QDBusMenuConnection::unregisterTrayIconMenu(QDBusTrayIcon *item)
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{
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if (item->menu())
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connection().unregisterObject(MenuBarPath);
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}
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bool QDBusMenuConnection::registerTrayIcon(QDBusTrayIcon *item)
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{
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bool success = connection().registerService(item->instanceId());
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if (!success) {
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qWarning() << "failed to register service" << item->instanceId();
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return false;
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}
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success = connection().registerObject(StatusNotifierItemPath, item);
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if (!success) {
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unregisterTrayIcon(item);
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qWarning() << "failed to register" << item->instanceId() << StatusNotifierItemPath;
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return false;
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}
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if (item->menu())
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registerTrayIconMenu(item);
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QDBusMessage registerMethod = QDBusMessage::createMethodCall(
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StatusNotifierWatcherService, StatusNotifierWatcherPath, StatusNotifierWatcherService,
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QLatin1String("RegisterStatusNotifierItem"));
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registerMethod.setArguments(QVariantList() << item->instanceId());
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success = m_connection.callWithCallback(registerMethod, this, SIGNAL(trayIconRegistered()), SLOT(dbusError(QDBusError)));
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return success;
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}
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bool QDBusMenuConnection::unregisterTrayIcon(QDBusTrayIcon *item)
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{
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unregisterTrayIconMenu(item);
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connection().unregisterObject(StatusNotifierItemPath);
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bool success = connection().unregisterService(item->instanceId());
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if (!success)
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qWarning() << "failed to unregister service" << item->instanceId();
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return success;
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}
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#endif // QT_NO_SYSTEMTRAYICON
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QT_END_NAMESPACE
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