1 files changed, 102 insertions, 0 deletions
diff --git a/src/plugins/platforms/mirclient/qmirclientappstatecontroller.cpp b/src/plugins/platforms/mirclient/qmirclientappstatecontroller.cpp
new file mode 100644
index 0000000000..69fc9b7aa7
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+++ b/src/plugins/platforms/mirclient/qmirclientappstatecontroller.cpp
@@ -0,0 +1,102 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 Canonical, Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the plugins 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 "qmirclientappstatecontroller.h"
+
+#include <qpa/qwindowsysteminterface.h>
+
+/*
+ * QMirClientAppStateController - updates Qt's QApplication::applicationState property.
+ *
+ * Tries to avoid active-inactive-active invocations using a timer. The rapid state
+ * change can confuse some applications.
+ */
+
+QMirClientAppStateController::QMirClientAppStateController()
+    : m_suspended(false)
+    , m_lastActive(true)
+{
+    m_inactiveTimer.setSingleShot(true);
+    m_inactiveTimer.setInterval(10);
+    QObject::connect(&m_inactiveTimer, &QTimer::timeout, []()
+    {
+        QWindowSystemInterface::handleApplicationStateChanged(Qt::ApplicationInactive);
+    });
+}
+
+void QMirClientAppStateController::setSuspended()
+{
+    m_inactiveTimer.stop();
+    if (!m_suspended) {
+        m_suspended = true;
+
+        QWindowSystemInterface::handleApplicationStateChanged(Qt::ApplicationSuspended);
+    }
+}
+
+void QMirClientAppStateController::setResumed()
+{
+    m_inactiveTimer.stop();
+    if (m_suspended) {
+        m_suspended = false;
+
+        if (m_lastActive) {
+            QWindowSystemInterface::handleApplicationStateChanged(Qt::ApplicationActive);
+        } else {
+            QWindowSystemInterface::handleApplicationStateChanged(Qt::ApplicationInactive);
+        }
+    }
+}
+
+void QMirClientAppStateController::setWindowFocused(bool focused)
+{
+    if (m_suspended) {
+        return;
+    }
+
+    if (focused) {
+        m_inactiveTimer.stop();
+        QWindowSystemInterface::handleApplicationStateChanged(Qt::ApplicationActive);
+    } else {
+        m_inactiveTimer.start();
+    }
+
+    m_lastActive = focused;
+}