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Workaround no next on deleting current message

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M66B
2019-01-30 12:51:50 +00:00
parent bf0fe86e94
commit 8e2c629043
2 changed files with 54 additions and 14 deletions
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48
app/src/main/java/eu/faircode/email/ViewModelMessages.java
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@@ -77,42 +77,62 @@ public class ViewModelMessages extends ViewModel {
void observePrevNext(LifecycleOwner owner, final String thread, final IPrevNext intf) {
LiveData<PagedList<TupleMessageEx>> list = messages.get(false);
if (list == null)
if (list == null) {
Log.w("Observe previous/next without list");
return;
}
Log.i("Observe previous/next thread=" + thread);
list.observe(owner, new Observer<PagedList<TupleMessageEx>>() {
@Override
public void onChanged(PagedList<TupleMessageEx> list) {
boolean load = false;
for (int pos = 0; pos < list.size(); pos++) {
TupleMessageEx item = list.get(pos);
public void onChanged(PagedList<TupleMessageEx> messages) {
Log.i("Observe previous/next thread=" + thread + " messages=" + messages.size());
for (int pos = 0; pos < messages.size(); pos++) {
TupleMessageEx item = messages.get(pos);
if (item != null && thread.equals(item.thread)) {
boolean load = false;
if (pos - 1 >= 0) {
TupleMessageEx next = list.get(pos - 1);
TupleMessageEx next = messages.get(pos - 1);
if (next == null)
load = true;
intf.onNext(true, next == null ? null : next.id);
reportNext(intf, true, next == null ? null : next.id);
} else
intf.onNext(false, null);
reportNext(intf, false, null);
if (pos + 1 < list.size()) {
TupleMessageEx prev = list.get(pos + 1);
if (pos + 1 < messages.size()) {
TupleMessageEx prev = messages.get(pos + 1);
if (prev == null)
load = true;
intf.onPrevious(true, prev == null ? null : prev.id);
reportPrevious(intf, true, prev == null ? null : prev.id);
} else
intf.onPrevious(false, null);
reportPrevious(intf, false, null);
if (load)
list.loadAround(pos);
messages.loadAround(pos);
break;
return;
}
}
Log.w("Observe previous/next gone thread=" + thread);
reportNext(intf, false, null);
reportPrevious(intf, false, null);
}
});
}
private void reportPrevious(IPrevNext intf, boolean exists, Long id) {
Log.i("Previous exists=" + exists + " id=" + id);
intf.onPrevious(exists, id);
}
private void reportNext(IPrevNext intf, boolean exists, Long id) {
Log.i("Next exists=" + exists + " id=" + id);
intf.onNext(exists, id);
}
interface IPrevNext {
void onPrevious(boolean exists, Long id);