diff options
Diffstat (limited to 'src/gui/platform/unix/dbusmenu/qdbusmenuconnection.cpp')
-rw-r--r-- | src/gui/platform/unix/dbusmenu/qdbusmenuconnection.cpp | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/src/gui/platform/unix/dbusmenu/qdbusmenuconnection.cpp b/src/gui/platform/unix/dbusmenu/qdbusmenuconnection.cpp new file mode 100644 index 0000000000..429460f9e8 --- /dev/null +++ b/src/gui/platform/unix/dbusmenu/qdbusmenuconnection.cpp @@ -0,0 +1,147 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui/qtgui-config.h> + +#ifndef QT_NO_SYSTEMTRAYICON +#include "../dbustray/qdbustrayicon_p.h" +#endif +#include "qdbusmenuconnection_p.h" +#include "qdbusmenuadaptor_p.h" +#include "qdbusplatformmenu_p.h" + +#include <QtDBus/QDBusMessage> +#include <QtDBus/QDBusServiceWatcher> +#include <QtDBus/QDBusConnectionInterface> +#include <qdebug.h> +#include <qcoreapplication.h> + +QT_BEGIN_NAMESPACE + +Q_DECLARE_LOGGING_CATEGORY(qLcMenu) + +const QString StatusNotifierWatcherService = QLatin1String("org.kde.StatusNotifierWatcher"); +const QString StatusNotifierWatcherPath = QLatin1String("/StatusNotifierWatcher"); +const QString StatusNotifierItemPath = QLatin1String("/StatusNotifierItem"); +const QString MenuBarPath = QLatin1String("/MenuBar"); + +/*! + \class QDBusMenuConnection + \internal + A D-Bus connection which is used for both menu and tray icon services. + Connects to the session bus and registers with the respective watcher services. +*/ +QDBusMenuConnection::QDBusMenuConnection(QObject *parent, const QString &serviceName) + : QObject(parent) + , m_connection(serviceName.isNull() ? QDBusConnection::sessionBus() + : QDBusConnection::connectToBus(QDBusConnection::SessionBus, serviceName)) + , m_dbusWatcher(new QDBusServiceWatcher(StatusNotifierWatcherService, m_connection, QDBusServiceWatcher::WatchForRegistration, this)) + , m_statusNotifierHostRegistered(false) +{ +#ifndef QT_NO_SYSTEMTRAYICON + QDBusInterface systrayHost(StatusNotifierWatcherService, StatusNotifierWatcherPath, StatusNotifierWatcherService, m_connection); + if (systrayHost.isValid() && systrayHost.property("IsStatusNotifierHostRegistered").toBool()) + m_statusNotifierHostRegistered = true; + else + qCDebug(qLcMenu) << "StatusNotifierHost is not registered"; +#endif +} + +void QDBusMenuConnection::dbusError(const QDBusError &error) +{ + qWarning() << "QDBusTrayIcon encountered a D-Bus error:" << error; +} + +#ifndef QT_NO_SYSTEMTRAYICON +bool QDBusMenuConnection::registerTrayIconMenu(QDBusTrayIcon *item) +{ + bool success = connection().registerObject(MenuBarPath, item->menu()); + if (!success) // success == false is normal, because the object may be already registered + qCDebug(qLcMenu) << "failed to register" << item->instanceId() << MenuBarPath; + return success; +} + +void QDBusMenuConnection::unregisterTrayIconMenu(QDBusTrayIcon *item) +{ + if (item->menu()) + connection().unregisterObject(MenuBarPath); +} + +bool QDBusMenuConnection::registerTrayIcon(QDBusTrayIcon *item) +{ + bool success = connection().registerService(item->instanceId()); + if (!success) { + qWarning() << "failed to register service" << item->instanceId(); + return false; + } + + success = connection().registerObject(StatusNotifierItemPath, item); + if (!success) { + unregisterTrayIcon(item); + qWarning() << "failed to register" << item->instanceId() << StatusNotifierItemPath; + return false; + } + + if (item->menu()) + registerTrayIconMenu(item); + + return registerTrayIconWithWatcher(item); +} + +bool QDBusMenuConnection::registerTrayIconWithWatcher(QDBusTrayIcon *item) +{ + QDBusMessage registerMethod = QDBusMessage::createMethodCall( + StatusNotifierWatcherService, StatusNotifierWatcherPath, StatusNotifierWatcherService, + QLatin1String("RegisterStatusNotifierItem")); + registerMethod.setArguments(QVariantList() << item->instanceId()); + return m_connection.callWithCallback(registerMethod, this, SIGNAL(trayIconRegistered()), SLOT(dbusError(QDBusError))); +} + +bool QDBusMenuConnection::unregisterTrayIcon(QDBusTrayIcon *item) +{ + unregisterTrayIconMenu(item); + connection().unregisterObject(StatusNotifierItemPath); + bool success = connection().unregisterService(item->instanceId()); + if (!success) + qWarning() << "failed to unregister service" << item->instanceId(); + return success; +} +#endif // QT_NO_SYSTEMTRAYICON + +QT_END_NAMESPACE |