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Code Issues Releases Wiki Activity

Use list position for fallback load

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This commit is contained in:
M66B 2021-07-19 19:59:30 +02:00
parent 228232f809
commit 03f4972cdd
4 changed files with 52 additions and 28 deletions
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1
app/src/main/java/eu/faircode/email/ActivityView.java
View file

@ -1498,6 +1498,7 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
args.putLong("folder", intent.getLongExtra("folder", -1));
args.putString("thread", intent.getStringExtra("thread"));
args.putLong("id", intent.getLongExtra("id", -1));
args.putInt("lpos", intent.getIntExtra("lpos", -1));
args.putBoolean("filter_archive", intent.getBooleanExtra("filter_archive", true));
args.putBoolean("found", found);
args.putBoolean("pinned", intent.getBooleanExtra("pinned", false));

1
app/src/main/java/eu/faircode/email/AdapterMessage.java
View file

@ -3307,6 +3307,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
.putExtra("folder", message.folder)
.putExtra("thread", message.thread)
.putExtra("id", message.id)
.putExtra("lpos", getAdapterPosition())
.putExtra("filter_archive", !EntityFolder.ARCHIVE.equals(message.folderType))
.putExtra("found", viewType == ViewType.SEARCH);

6
app/src/main/java/eu/faircode/email/FragmentMessages.java
View file

@ -285,6 +285,7 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
private boolean server;
private String thread;
private long id;
private int lpos;
private boolean filter_archive;
private boolean found;
private boolean pinned;
@ -404,6 +405,7 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
server = args.getBoolean("server", false);
thread = args.getString("thread");
id = args.getLong("id", -1);
lpos = args.getInt("lpos", RecyclerView.NO_POSITION);
filter_archive = args.getBoolean("filter_archive", true);
found = args.getBoolean("found", false);
pinned = args.getBoolean("pinned", false);
@ -1247,7 +1249,7 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
if (viewType == AdapterMessage.ViewType.THREAD) {
ViewModelMessages model = new ViewModelProvider(getActivity()).get(ViewModelMessages.class);
model.observePrevNext(getContext(), getViewLifecycleOwner(), id, new ViewModelMessages.IPrevNext() {
model.observePrevNext(getContext(), getViewLifecycleOwner(), id, lpos, new ViewModelMessages.IPrevNext() {
@Override
public void onPrevious(boolean exists, Long id) {
boolean reversed = prefs.getBoolean("reversed", false);
@ -4933,7 +4935,7 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
private void loadMessages(final boolean top) {
if (viewType == AdapterMessage.ViewType.THREAD && onclose != null) {
ViewModelMessages model = new ViewModelProvider(getActivity()).get(ViewModelMessages.class);
model.observePrevNext(getContext(), getViewLifecycleOwner(), id, new ViewModelMessages.IPrevNext() {
model.observePrevNext(getContext(), getViewLifecycleOwner(), id, lpos, new ViewModelMessages.IPrevNext() {
boolean once = false;
@Override

38
app/src/main/java/eu/faircode/email/ViewModelMessages.java
View file

@ -250,8 +250,8 @@ public class ViewModelMessages extends ViewModel {
models.remove(viewType);
}
void observePrevNext(Context context, LifecycleOwner owner, final long id, final IPrevNext intf) {
Log.i("Observe prev/next model=" + last);
void observePrevNext(Context context, LifecycleOwner owner, final long id, int lpos, final IPrevNext intf) {
Log.i("Observe prev/next model=" + last + " id=" + id + " lpos=" + lpos);
final Model model = models.get(last);
if (model == null) {
@ -263,6 +263,7 @@ public class ViewModelMessages extends ViewModel {
}
Log.i("Observe previous/next id=" + id);
//model.list.getValue().loadAround(lpos);
model.list.observe(owner, new Observer<PagedList<TupleMessageEx>>() {
private boolean fallback = false;
@ -305,11 +306,13 @@ public class ViewModelMessages extends ViewModel {
Bundle args = new Bundle();
args.putLong("id", id);
args.putInt("lpos", lpos);
new SimpleTask<Pair<Long, Long>>() {
@Override
protected Pair<Long, Long> onExecute(Context context, Bundle args) {
long id = args.getLong("id");
int lpos = args.getInt("lpos");
PagedList<TupleMessageEx> plist = model.list.getValue();
if (plist == null)
@ -317,13 +320,34 @@ public class ViewModelMessages extends ViewModel {
LimitOffsetDataSource<TupleMessageEx> ds = (LimitOffsetDataSource<TupleMessageEx>) plist.getDataSource();
int count = ds.countItems();
if (lpos >= 0) {
int from = Math.max(0, lpos - 10);
int load = Math.min(20, count - from);
Log.i("Observe previous/next load lpos=" + lpos +
" range=" + from + "/#" + load);
List<TupleMessageEx> messages = ds.loadRange(from, load);
for (int j = 0; j < messages.size(); j++)
if (messages.get(j).id == id)
return getPair(plist, ds, count, from + j);
}
for (int i = 0; i < count; i += 100) {
Log.i("Observe previous/next load range=" + i + "/" + count);
Log.i("Observe previous/next load" +
" range=" + i + "/#" + count);
List<TupleMessageEx> messages = ds.loadRange(i, Math.min(100, count - i));
for (int j = 0; j < messages.size(); j++)
if (messages.get(j).id == id) {
int pos = i + j;
if (messages.get(j).id == id)
return getPair(plist, ds, count, i + j);
}
return null;
}
private Pair<Long, Long> getPair(
PagedList<TupleMessageEx> plist,
LimitOffsetDataSource<TupleMessageEx> ds,
int count, int pos) {
if (pos < plist.size())
plist.loadAround(pos);
@ -344,10 +368,6 @@ public class ViewModelMessages extends ViewModel {
Log.i("Observe previous/next fallback=" + result);
return result;
}
}
return null;
}
@Override
protected void onExecuted(Bundle args, Pair<Long, Long> data) {