1 files changed, 112 insertions, 0 deletions
diff --git a/src/android/jar/src/org/qtproject/qt5/android/QtThread.java b/src/android/jar/src/org/qtproject/qt5/android/QtThread.java
new file mode 100644
index 0000000000..975e787345
--- /dev/null
+++ b/src/android/jar/src/org/qtproject/qt5/android/QtThread.java
@@ -0,0 +1,112 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 BogDan Vatra <bogdan@kdab.com>
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Android port 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+package org.qtproject.qt5.android;
+
+import java.util.ArrayList;
+import java.util.concurrent.Semaphore;
+
+public class QtThread {
+    private ArrayList<Runnable> m_pendingRunnables = new ArrayList<Runnable>();
+    private boolean m_exit = false;
+    private Thread m_qtThread = new Thread(new Runnable() {
+        @Override
+        public void run() {
+            while (!m_exit) {
+                try {
+                    ArrayList<Runnable> pendingRunnables;
+                    synchronized (m_qtThread) {
+                        if (m_pendingRunnables.size() == 0)
+                            m_qtThread.wait();
+                        pendingRunnables = new ArrayList<Runnable>(m_pendingRunnables);
+                        m_pendingRunnables.clear();
+                    }
+                    for (Runnable runnable : pendingRunnables)
+                        runnable.run();
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    });
+
+    QtThread() {
+        m_qtThread.setName("qtMainLoopThread");
+        m_qtThread.start();
+    }
+
+    public void post(final Runnable runnable) {
+        synchronized (m_qtThread) {
+            m_pendingRunnables.add(runnable);
+            m_qtThread.notify();
+        }
+    }
+
+    public void run(final Runnable runnable) {
+        final Semaphore sem = new Semaphore(0);
+        synchronized (m_qtThread) {
+            m_pendingRunnables.add(new Runnable() {
+                @Override
+                public void run() {
+                    runnable.run();
+                    sem.release();
+                }
+            });
+            m_qtThread.notify();
+        }
+        try {
+            sem.acquire();
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public void exit()
+    {
+        m_exit = true;
+        synchronized (m_qtThread) {
+            m_qtThread.notify();
+        }
+        try {
+            m_qtThread.join();
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+    }
+}