return null;
}
- public String get_reply(int timeout) throws InterruptedException {
- try {
- return get_reply_no_dialog(timeout);
- } catch (TimeoutException te) {
- return null;
+ public String get_reply() throws InterruptedException {
+ return get_reply(5000);
+ }
+
+
+ public abstract boolean can_cancel_reply();
+ public abstract boolean show_reply_timeout();
+ public abstract void hide_reply_timeout();
+
+ public boolean reply_abort;
+ public int in_reply;
+
+ boolean reply_timeout_shown = false;
+
+ private boolean check_reply_timeout() {
+ if (!reply_timeout_shown)
+ reply_timeout_shown = show_reply_timeout();
+ return reply_abort;
+ }
+
+ private void cleanup_reply_timeout() {
+ if (reply_timeout_shown) {
+ reply_timeout_shown = false;
+ hide_reply_timeout();
}
}
- public String get_reply() throws InterruptedException {
- return get_reply(5000);
+
+ public String get_reply(int timeout) throws InterruptedException {
+ boolean can_cancel = can_cancel_reply();
+ String reply = null;
+
+ if (!can_cancel && remote)
+ System.out.printf("Uh-oh, reading remote serial device from swing thread\n");
+
+ if (remote && can_cancel)
+ timeout = 500;
+ try {
+ ++in_reply;
+
+ flush_output();
+
+ reply_abort = false;
+ reply_timeout_shown = false;
+ for (;;) {
+ AltosLine line = reply_queue.poll(timeout, TimeUnit.MILLISECONDS);
+ if (line != null) {
+ cleanup_reply_timeout();
+ reply = line.line;
+ break;
+ }
+ if (!remote || !can_cancel || check_reply_timeout()) {
+ reply = null;
+ break;
+ }
+ }
+ } finally {
+ --in_reply;
+ }
+ return reply;
}
public void add_telem(AltosLine line) throws InterruptedException {
public void flush_input() throws InterruptedException {
- flush_input(100);
+ if (remote)
+ flush_input(500);
+ else
+ flush_input(100);
}
}
}
- boolean abort;
JDialog timeout_dialog;
- boolean timeout_started = false;
-
- private void stop_timeout_dialog() {
- if (timeout_started) {
- timeout_started = false;
- Runnable r = new Runnable() {
- public void run() {
- timeout_dialog.setVisible(false);
- }
- };
- SwingUtilities.invokeLater(r);
- }
- }
private void start_timeout_dialog_internal() {
if (o == null)
return;
if (options[0].equals(o))
- abort = true;
+ reply_abort = true;
timeout_dialog.dispose();
timeout_dialog = null;
}
- private boolean check_timeout() {
- if (!timeout_started && frame != null) {
- if (!SwingUtilities.isEventDispatchThread()) {
- timeout_started = true;
- Runnable r = new Runnable() {
- public void run() {
- start_timeout_dialog_internal();
- }
- };
- SwingUtilities.invokeLater(r);
- }
- }
- return abort;
- }
+ /*
+ * These are required by the AltosLink implementation
+ */
- public void flush_input() throws InterruptedException {
- if (remote)
- flush_input(500);
- else
- flush_input(100);
+ public boolean can_cancel_reply() {
+ /*
+ * Can cancel any replies not called from the dispatch thread
+ */
+ return !SwingUtilities.isEventDispatchThread();
}
- int in_reply;
-
- public String get_reply(int timeout) throws InterruptedException {
- boolean can_cancel = true;
- String reply = null;
-
- try {
- ++in_reply;
+ public boolean show_reply_timeout() {
+ if (!SwingUtilities.isEventDispatchThread() && frame != null) {
+ Runnable r = new Runnable() {
+ public void run() {
+ start_timeout_dialog_internal();
+ }
+ };
+ SwingUtilities.invokeLater(r);
+ return true;
+ }
+ return false;
+ }
- if (SwingUtilities.isEventDispatchThread()) {
- can_cancel = false;
- if (remote)
- System.out.printf("Uh-oh, reading remote serial device from swing thread\n");
- }
- flush_output();
- if (remote && can_cancel) {
- timeout = 500;
- }
- abort = false;
- timeout_started = false;
- for (;;) {
- AltosLine line = reply_queue.poll(timeout, TimeUnit.MILLISECONDS);
- if (line != null) {
- stop_timeout_dialog();
- reply = line.line;
- break;
+ public void hide_reply_timeout() {
+ Runnable r = new Runnable() {
+ public void run() {
+ timeout_dialog.setVisible(false);
}
- if (!remote || !can_cancel || check_timeout()) {
- reply = null;
- break;
- }
- }
- } finally {
- --in_reply;
- }
- return reply;
+ };
+ SwingUtilities.invokeLater(r);
}
public void close() {