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Code Issues Releases Wiki Activity

Improved key/position mapping

This commit is contained in:
M66B 2020-05-17 08:16:40 +02:00
parent 4b82d88888
commit e862382770
1 changed files with 14 additions and 12 deletions
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26
app/src/main/java/eu/faircode/email/AdapterMessage.java
View File

@ -252,6 +252,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
private int searchResult = 0;
private AsyncPagedListDiffer<TupleMessageEx> differ;
private Map<Long, Integer> keyPosition = new HashMap<>();
private Map<Integer, Long> positionKey = new HashMap<>();
private SelectionTracker<Long> selectionTracker = null;
enum ViewType {UNIFIED, FOLDER, THREAD, SEARCH}
@ -5069,16 +5070,6 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
}
void submitList(PagedList<TupleMessageEx> list) {
keyPosition.clear();
for (int i = 0; i < list.size(); i++) {
TupleMessageEx message = list.get(i);
if (message != null) {
keyPosition.put(message.id, i);
message.resolveKeywordColors(context);
}
}
differ.submitList(list);
}
@ -5176,6 +5167,18 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
if (message == null || context == null)
return;
Integer p = keyPosition.get(message.id);
Long i = positionKey.get(position);
if (p != null)
positionKey.remove(p);
if (i != null)
keyPosition.remove(i);
keyPosition.put(message.id, position);
positionKey.put(position, message.id);
message.resolveKeywordColors(context);
if (viewType == ViewType.THREAD) {
boolean outgoing = holder.isOutgoing(message);
holder.card.setOutgoing(outgoing);
@ -5263,8 +5266,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
}
Long getKeyAtPosition(int pos) {
TupleMessageEx message = getItemAtPosition(pos);
Long key = (message == null ? null : message.id);
Long key = positionKey.get(pos);
Log.d("Key=" + key + " @Position=" + pos);
return key;
}