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package com.libmailcore;
import android.os.Handler;
import android.os.Looper;
import android.util.Log;
import java.util.HashMap;
class MainThreadUtils {
private static volatile MainThreadUtils instance = new MainThreadUtils();
private Handler handler;
private HashMap<Long, Runnable> runnablesForIdentifiers = new HashMap<Long, Runnable>();
static MainThreadUtils singleton() {
return instance;
}
// private constructor
private MainThreadUtils() {
System.loadLibrary("MailCore");
handler = new Handler(Looper.getMainLooper());
setupNative();
}
private native void setupNative();
private native void runIdentifier(long identifier);
private native void runIdentifierAndNotify(long identifier);
private void runOnMainThread(final long identifier) {
handler.post(new Runnable() {
@Override
public void run() {
runIdentifier(identifier);
}
});
}
private void runOnMainThreadAndWait(final long identifier) {
handler.post(new Runnable() {
@Override
public void run() {
runIdentifierAndNotify(identifier);
}
});
}
private void runAfterDelay(final long identifier, int milliseconds) {
Runnable runnable = new Runnable() {
@Override
public void run() {
runnablesForIdentifiers.remove(new Long(identifier));
runIdentifier(identifier);
}
};
runnablesForIdentifiers.put(new Long(identifier), runnable);
handler.postDelayed(runnable, milliseconds);
}
private void cancelDelayedRun(final long identifier) {
Runnable runnable = runnablesForIdentifiers.get(new Long(identifier));
runnablesForIdentifiers.remove(new Long(identifier));
handler.removeCallbacks(runnable);
}
}
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