public MessageItem getCachedMessageItem(String type, long msgId, Cursor c) {
MessageItem item = mMessageItemCache.get(getKey(type, msgId));
if (item == null && c != null && isCursorValid(c)) {
try {
item = new MessageItem(mContext, type, c, mColumnsMap, mHighlight);
mMessageItemCache.put(getKey(item.mType, item.mMsgId), item);
} catch (MmsException e) {
Log.e(TAG, "getCachedMessageItem: ", e);
}
}
return item;
}
@Override
public void notifyDataSetChanged() {
super.notifyDataSetChanged();
if (LOCAL_LOGV) {
Log.v(TAG, "MessageListAdapter.notifyDataSetChanged().");
}
mMessageItemCache.evictAll();
if (mOnDataSetChangedListener != null) {
mOnDataSetChangedListener.onDataSetChanged(this);
}
}
public void cancelBackgroundLoading() {
mMessageItemCache.evictAll(); // causes entryRemoved to be called for each MessageItem
// in the cache which causes us to cancel loading of
// background pdu's and images.
}
