/** Position is being saved per User and per TimeleneType */
private void savePosition() {
int firstItem = getListView().getLastVisiblePosition();
long firstItemId = getListView().getAdapter().getItemId(firstItem);
if (firstItemId < 1) {
// Maybe we can find previous tweet
firstItemId = getListView().getAdapter().getItemId(firstItem - 1);
}
TwitterUser tu = TwitterUser.getTwitterUser(this);
tu.getSharedPreferences().edit().putLong(positionKey(), firstItemId).commit();
if (mSearchMode) {
// Remember query string for which the position was saved
tu.getSharedPreferences().edit().putString(positionQueryStringKey(), mQueryString).commit();
}
if (Log.isLoggable(QuicksyncService.APPTAG, Log.VERBOSE)) {
Log.v(
TAG,
"Saved position "
+ tu.getUsername()
+ "-"
+ positionKey()
+ "="
+ firstItemId
+ "; list position="
+ firstItem);
}
}
/** Load position saved for this user and for this type of timeline */
private void loadPosition() {
TwitterUser tu = TwitterUser.getTwitterUser(this);
boolean loaded = false;
long firstItemId = -3;
try {
int scrollPos = -1;
firstItemId = getSavedPosition();
if (firstItemId > 0) {
scrollPos = listPosForId(firstItemId);
}
if (scrollPos > 0) {
getListView().setSelectionFromTop(scrollPos - 1, 0);
loaded = true;
if (Log.isLoggable(QuicksyncService.APPTAG, Log.VERBOSE)) {
Log.v(
TAG, "Loaded position " + tu.getUsername() + "-" + positionKey() + "=" + firstItemId);
}
} else {
// There is no stored position
if (mSearchMode) {
// In search mode start from the most recent tweet!
scrollPos = 1;
} else {
scrollPos = getListView().getCount() - 1;
}
setSelectionAtBottom(scrollPos);
}
} catch (Exception e) {
Editor ed = tu.getSharedPreferences().edit();
ed.remove(positionKey());
ed.commit();
firstItemId = -2;
}
if (!loaded && Log.isLoggable(QuicksyncService.APPTAG, Log.VERBOSE)) {
Log.v(
TAG,
"Didn't load position " + tu.getUsername() + "-" + positionKey() + "=" + firstItemId);
}
positionLoaded = true;
}
