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