/**
* Ensures the model is in a consistent state which is the activities for the current intent have
* been loaded, the most recent history has been read, and the activities are sorted.
*/
private void ensureConsistentState() {
boolean stateChanged = loadActivitiesIfNeeded();
stateChanged |= readHistoricalDataIfNeeded();
pruneExcessiveHistoricalRecordsIfNeeded();
if (stateChanged) {
sortActivitiesIfNeeded();
notifyChanged();
}
}
/**
* Adds a historical record.
*
* @param historicalRecord The record to add.
* @return True if the record was added.
*/
private boolean addHistoricalRecord(HistoricalRecord historicalRecord) {
final boolean added = mHistoricalRecords.add(historicalRecord);
if (added) {
mHistoricalRecordsChanged = true;
pruneExcessiveHistoricalRecordsIfNeeded();
persistHistoricalDataIfNeeded();
sortActivitiesIfNeeded();
notifyChanged();
}
return added;
}
/**
* Sets the maximal size of the historical data. Defaults to {@link #DEFAULT_HISTORY_MAX_LENGTH}
*
* <p><strong>Note:</strong> Setting this property will immediately enforce the specified max
* history size by dropping enough old historical records to enforce the desired size. Thus, any
* records that exceed the history size will be discarded and irreversibly lost.
*
* @param historyMaxSize The max history size.
*/
public void setHistoryMaxSize(int historyMaxSize) {
synchronized (mInstanceLock) {
if (mHistoryMaxSize == historyMaxSize) {
return;
}
mHistoryMaxSize = historyMaxSize;
pruneExcessiveHistoricalRecordsIfNeeded();
if (sortActivitiesIfNeeded()) {
notifyChanged();
}
}
}
/**
* Removes all historical records for this pkg.
*
* @param historicalRecord The pkg to delete records for.
* @return True if the record was added.
*/
boolean removeHistoricalRecordsForPackage(final String pkg) {
boolean removed = false;
for (Iterator<HistoricalRecord> i = mHistoricalRecords.iterator(); i.hasNext(); ) {
final HistoricalRecord record = i.next();
if (record.activity.getPackageName().equals(pkg)) {
i.remove();
removed = true;
}
}
if (removed) {
mHistoricalRecordsChanged = true;
pruneExcessiveHistoricalRecordsIfNeeded();
persistHistoricalDataIfNeeded();
sortActivitiesIfNeeded();
notifyChanged();
}
return removed;
}