@Override
public Object getItem(int position) {
SectionAndItem<T> sectionAndItem = getSectionAndItem(position);
return (sectionAndItem.getType() == SectionAndItem.Type.GRAPH_OBJECT)
? sectionAndItem.graphObject
: null;
}
@Override
public int getSectionForPosition(int position) {
SectionAndItem<T> sectionAndItem = getSectionAndItem(position);
if (sectionAndItem != null && sectionAndItem.getType() != SectionAndItem.Type.ACTIVITY_CIRCLE) {
return Math.max(
0, Math.min(sectionKeys.indexOf(sectionAndItem.sectionKey), sectionKeys.size() - 1));
}
return 0;
}
@Override
public int getItemViewType(int position) {
SectionAndItem<T> sectionAndItem = getSectionAndItem(position);
switch (sectionAndItem.getType()) {
case SECTION_HEADER:
return HEADER_VIEW_TYPE;
case GRAPH_OBJECT:
return GRAPH_OBJECT_VIEW_TYPE;
case ACTIVITY_CIRCLE:
return ACTIVITY_CIRCLE_VIEW_TYPE;
default:
throw new FacebookException("Unexpected type of section and item.");
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
SectionAndItem<T> sectionAndItem = getSectionAndItem(position);
switch (sectionAndItem.getType()) {
case SECTION_HEADER:
return getSectionHeaderView(sectionAndItem.sectionKey, convertView, parent);
case GRAPH_OBJECT:
return getGraphObjectView(sectionAndItem.graphObject, convertView, parent);
case ACTIVITY_CIRCLE:
// If we get a request for this view, it means we need more data.
assert cursor.areMoreObjectsAvailable() && (dataNeededListener != null);
dataNeededListener.onDataNeeded();
return getActivityCircleView(convertView, parent);
default:
throw new FacebookException("Unexpected type of section and item.");
}
}
@Override
public boolean isEnabled(int position) {
SectionAndItem<T> sectionAndItem = getSectionAndItem(position);
return sectionAndItem.getType() == SectionAndItem.Type.GRAPH_OBJECT;
}