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// Copyright (C) 2018 BogDan Vatra <bogdan@kdab.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
package org.qtproject.qt.android;
import java.util.ArrayList;
import java.util.concurrent.Semaphore;
class QtThread {
private final ArrayList<Runnable> m_pendingRunnables = new ArrayList<>();
private boolean m_exit = false;
private final 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<>(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 sleep(int milliseconds) {
try {
m_qtThread.sleep(milliseconds);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
public void run(final Runnable runnable) {
final Semaphore sem = new Semaphore(0);
synchronized (m_qtThread) {
m_pendingRunnables.add(() -> {
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();
}
}
}
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