@Override
public void finish() {
// if they try and enter a password and hit cancel, GTGActivityHelper has no choice but to back
// up through all the activities on the stack
// so we have to cancel the restore, because our activity is about to finished.
// Note that using singleTask doesn't help here because we are finishing the task regardless.
if (backupTask != null) backupTask.cancel();
backupTask = null;
super.finish();
}
/**
* Stop task. If it is in task manager then it will be removed from the TaskManager, all the
* TaskListeners assigned to this Task will also be deleted. all the property change listeners
* assigned to thia task will be deleted
*
* @param task task
* @param interrupt whether to notify
* @return boolean true is the cancel has been finished.
*/
@SuppressWarnings("unchecked")
public boolean cancelTask(Task task, boolean interrupt) {
boolean canceled = false;
// remove task from task manager
boolean hasTask = hasTask(task);
if (hasTask) {
// cancel all the children tasks first
cancelTasksByOwner(task);
List<Task> oldTasks, newTasks;
synchronized (tasks) {
oldTasks = new ArrayList<Task>(tasks);
tasks.remove(task);
canceled = task.cancel(interrupt);
newTasks = new ArrayList<Task>(tasks);
task.removePropertyChangeListener(taskPropListener);
}
firePropertyChange(REMOVE_TASK_PROP, oldTasks, newTasks);
}
return canceled;
}
private void cancelTask() {
if (task == null) {
return;
}
Log.d(TAG, "Cancel Task " + task.cancel(true));
}
/** Invoked when the user presses the start button. */
public void actionPerformed(ActionEvent evt) {
if (evt.getActionCommand().equals("start")) {
StartButton.setEnabled(false);
cancelButton.setEnabled(true);
setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
// Instances of javax.swing.SwingWorker are not reusuable, so
// we create new instances as needed.
DownloadMessage theMessage =
new DownloadMessage() {
public void setProgress(int Progress) {
if (myState.equals("SPLIT")) {
progressBar.setValue(Progress);
} else if (myState.equals("DOWNLOADREMOTE")) {
progressBar.setValue(Progress);
} else if (myState.equals("DOWNLOADLOCALBASE")) {
progressBar3.setValue(Progress);
} else if (myState.equals("TOTAL")) {
progressBar4.setValue(Progress);
progressBar3.setValue(0);
progressBar2.setValue(0);
progressBar.setValue(0);
}
}
public void messageChanged(int Progress, String message) {
setProgress(Progress);
taskOutput.append(message + "\n");
taskOutput.setCaretPosition(taskOutput.getDocument().getLength());
// TODO Auto-generated method stub
}
public void stateChanged(String theState) {
myState = theState;
// TODO Auto-generated method stub
}
public void messageChanged(String theMessage) {
taskOutput.append(theMessage + "\n");
taskOutput.setCaretPosition(taskOutput.getDocument().getLength());
// TODO Auto-generated method stub
// TODO Auto-generated method stub
}
};
task = new Task(theMessage, (String) myDownloadOptions.getSelectedItem());
task.addPropertyChangeListener(this);
task.execute();
} else if (evt.getActionCommand().equals("cancel")) {
task.cancel(false);
// startButton.setEnabled(true);
// cancelButton.setEnabled(false);
}
}
