/**
* Block the current thread until the currently running DeckTask instance (if any) has finished.
*/
public static void waitToFinish() {
try {
if ((instance != null) && (instance.getStatus() != AsyncTask.Status.FINISHED)) instance.get();
} catch (Exception e) {
return;
}
}
public static DeckTask launchDeckTask(int type, TaskListener listener, TaskData... params) {
try {
if ((instance != null) && (instance.getStatus() != AsyncTask.Status.FINISHED)) instance.get();
} catch (Exception e) {
e.printStackTrace();
}
instance = new DeckTask();
instance.listener = listener;
instance.type = type;
return (DeckTask) instance.execute(params);
}
@Override
protected TaskData doInBackground(TaskData... params) {
// Wait for previous thread (if any) to finish before continuing
try {
if ((oldInstance != null) && (oldInstance.getStatus() != AsyncTask.Status.FINISHED))
oldInstance.get();
} catch (Exception e) {
Log.e(
TAG,
"doInBackground - Got exception while waiting for thread to finish: " + e.getMessage());
}
switch (type) {
case TASK_TYPE_LOAD_DECK:
return doInBackgroundLoadDeck(params);
case TASK_TYPE_LOAD_DECK_AND_UPDATE_CARDS:
TaskData taskData = doInBackgroundLoadDeck(params);
if (taskData.integer == AnkiDroid.DECK_LOADED) {
taskData.deck.updateAllCards();
taskData.card = taskData.deck.getCurrentCard();
}
return taskData;
case TASK_TYPE_ANSWER_CARD:
return doInBackgroundAnswerCard(params);
case TASK_TYPE_SUSPEND_CARD:
return doInBackgroundSuspendCard(params);
case TASK_TYPE_UPDATE_FACT:
return doInBackgroundUpdateFact(params);
default:
return null;
}
}