import java.text.*;
import java.util.prefs.*;
import java.util.concurrent.LinkedBlockingQueue;
+import org.altusmetrum.AltosLib.*;
public class AltosDisplayThread extends Thread {
Frame parent;
IdleThread idle_thread;
AltosVoice voice;
- String name;
AltosFlightReader reader;
int crc_errors;
AltosFlightDisplay display;
- synchronized void show(AltosState state, int crc_errors) {
+ void show_internal(AltosState state, int crc_errors) {
if (state != null)
display.show(state, crc_errors);
}
+ void show_safely(AltosState in_state, int in_crc_errors) {
+ final AltosState state = in_state;
+ final int crc_errors = in_crc_errors;
+ Runnable r = new Runnable() {
+ public void run() {
+ try {
+ show_internal(state, crc_errors);
+ } catch (Exception ex) {
+ }
+ }
+ };
+ SwingUtilities.invokeLater(r);
+ }
+
+ void reading_error_internal() {
+ JOptionPane.showMessageDialog(parent,
+ String.format("Error reading from \"%s\"", reader.name),
+ "Telemetry Read Error",
+ JOptionPane.ERROR_MESSAGE);
+ }
+
+ void reading_error_safely() {
+ Runnable r = new Runnable() {
+ public void run() {
+ try {
+ reading_error_internal();
+ } catch (Exception ex) {
+ }
+ }
+ };
+ SwingUtilities.invokeLater(r);
+ }
+
class IdleThread extends Thread {
boolean started;
++reported_landing;
if (state.state != Altos.ao_flight_landed) {
state.state = Altos.ao_flight_landed;
- show(state, 0);
+ show_safely(state, 0);
}
}
}
idle_thread = new IdleThread();
- display.reset();
try {
for (;;) {
try {
old_state = state;
state = new AltosState(record, state);
reader.update(state);
- show(state, crc_errors);
+ show_safely(state, crc_errors);
told = tell(state, old_state);
idle_thread.notice(state, told);
} catch (ParseException pp) {
System.out.printf("Parse error: %d \"%s\"\n", pp.getErrorOffset(), pp.getMessage());
} catch (AltosCRCException ce) {
++crc_errors;
- show(state, crc_errors);
+ show_safely(state, crc_errors);
}
}
} catch (InterruptedException ee) {
interrupted = true;
} catch (IOException ie) {
- JOptionPane.showMessageDialog(parent,
- String.format("Error reading from \"%s\"", name),
- "Telemetry Read Error",
- JOptionPane.ERROR_MESSAGE);
+ reading_error_safely();
} finally {
if (!interrupted)
idle_thread.report(true);
voice = in_voice;
display = in_display;
reader = in_reader;
+ display.reset();
}
}