1 files changed, 121 insertions, 0 deletions
diff --git a/src/plugins/qnx/mediaplayer/mmreventthread.cpp b/src/plugins/qnx/mediaplayer/mmreventthread.cpp
new file mode 100644
index 000000000..25f26e216
--- /dev/null
+++ b/src/plugins/qnx/mediaplayer/mmreventthread.cpp
@@ -0,0 +1,121 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 QNX Software Systems. All rights reserved.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part 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 "mmreventthread.h"
+
+#include <QtCore/QDebug>
+
+#include <errno.h>
+#include <mm/renderer/events.h>
+#include <sys/neutrino.h>
+
+static const int c_mmrCode = _PULSE_CODE_MINAVAIL + 0;
+static const int c_readCode = _PULSE_CODE_MINAVAIL + 1;
+static const int c_quitCode = _PULSE_CODE_MINAVAIL + 2;
+
+MmrEventThread::MmrEventThread(mmr_context_t *context)
+    : QThread(),
+      m_mmrContext(context)
+{
+    if (Q_UNLIKELY((m_channelId = ChannelCreate(_NTO_CHF_DISCONNECT
+                                                | _NTO_CHF_UNBLOCK
+                                                | _NTO_CHF_PRIVATE)) == -1)) {
+        qFatal("MmrEventThread: Can't continue without a channel");
+    }
+
+    if (Q_UNLIKELY((m_connectionId = ConnectAttach(0, 0, m_channelId,
+                                                   _NTO_SIDE_CHANNEL, 0)) == -1)) {
+        ChannelDestroy(m_channelId);
+        qFatal("MmrEventThread: Can't continue without a channel connection");
+    }
+
+    SIGEV_PULSE_INIT(&m_mmrEvent, m_connectionId, SIGEV_PULSE_PRIO_INHERIT, c_mmrCode, 0);
+}
+
+MmrEventThread::~MmrEventThread()
+{
+    // block until thread terminates
+    shutdown();
+
+    ConnectDetach(m_connectionId);
+    ChannelDestroy(m_channelId);
+}
+
+void MmrEventThread::run()
+{
+    int armResult = mmr_event_arm(m_mmrContext, &m_mmrEvent);
+    if (armResult > 0)
+        emit eventPending();
+
+    while (1) {
+        struct _pulse msg;
+        memset(&msg, 0, sizeof(msg));
+        int receiveId = MsgReceive(m_channelId, &msg, sizeof(msg), nullptr);
+        if (receiveId == 0) {
+            if (msg.code == c_mmrCode) {
+                emit eventPending();
+            } else if (msg.code == c_readCode) {
+                armResult = mmr_event_arm(m_mmrContext, &m_mmrEvent);
+                if (armResult > 0)
+                    emit eventPending();
+            } else if (msg.code == c_quitCode) {
+                break;
+            } else {
+                qWarning() << Q_FUNC_INFO << "Unexpected pulse" << msg.code;
+            }
+        } else if (receiveId > 0) {
+            qWarning() << Q_FUNC_INFO << "Unexpected message" << msg.code;
+        } else {
+            qWarning() << Q_FUNC_INFO << "MsgReceive error" << strerror(errno);
+        }
+    }
+}
+
+void MmrEventThread::signalRead()
+{
+    MsgSendPulse(m_connectionId, SIGEV_PULSE_PRIO_INHERIT, c_readCode, 0);
+}
+
+void MmrEventThread::shutdown()
+{
+    MsgSendPulse(m_connectionId, SIGEV_PULSE_PRIO_INHERIT, c_quitCode, 0);
+
+    // block until thread terminates
+    wait();
+}