/**
* Reads the historical data if necessary which is it has changed, there is a history file, and
* there is not persist in progress.
*
* @return Whether reading was performed.
*/
private boolean readHistoricalDataIfNeeded() {
if (mCanReadHistoricalData
&& mHistoricalRecordsChanged
&& !TextUtils.isEmpty(mHistoryFileName)) {
mCanReadHistoricalData = false;
mReadShareHistoryCalled = true;
readHistoricalDataImpl();
return true;
}
return false;
}
