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[UI/Messages] Make message list scroll to last opened message.

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This commit is contained in:
Kuba Szczodrzyński 2019-11-29 17:29:23 +01:00
parent c71b8f994c
commit a133a96819
1 changed files with 31 additions and 28 deletions
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59
app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/messages/MessagesListFragment.java
View File

@ -46,9 +46,9 @@ public class MessagesListFragment extends Fragment {
static final long TRANSITION_DURATION = 300L;
static final String TAP_POSITION = "tap_position";
private static int tapPosition = NO_POSITION;
private static int topPosition = NO_POSITION;
private static int bottomPosition = NO_POSITION;
private static int[] tapPositions = {NO_POSITION, NO_POSITION};
private static int[] topPositions = {NO_POSITION, NO_POSITION};
private static int[] bottomPositions = {NO_POSITION, NO_POSITION};
private int messageType = Message.TYPE_RECEIVED;
@ -93,11 +93,11 @@ public class MessagesListFragment extends Fragment {
messagesAdapter = new MessagesAdapter(app, ((parent, view1, position, id) -> {
// TODO ANIMATION
/*tapPosition = position;
topPosition = ((LinearLayoutManager) b.emailList.getLayoutManager()).findFirstCompletelyVisibleItemPosition();
bottomPosition = ((LinearLayoutManager) b.emailList.getLayoutManager()).findLastCompletelyVisibleItemPosition();
tapPositions[messageType] = position;
topPositions[messageType] = ((LinearLayoutManager) b.emailList.getLayoutManager()).findFirstCompletelyVisibleItemPosition();
bottomPositions[messageType] = ((LinearLayoutManager) b.emailList.getLayoutManager()).findLastCompletelyVisibleItemPosition();
view1.getGlobalVisibleRect(viewRect);
/*view1.getGlobalVisibleRect(viewRect);
((Transition) MessagesListFragment.this.getExitTransition()).setEpicenterCallback(new Transition.EpicenterCallback() {
@Override
public Rect onGetEpicenter(@NonNull Transition transition) {
@ -224,17 +224,36 @@ public class MessagesListFragment extends Fragment {
b.progressBar.setVisibility(View.GONE);
b.emailList.setVisibility(View.VISIBLE);
messagesAdapter.setData(messageFulls);
LinearLayoutManager layoutManager = (LinearLayoutManager) b.emailList.getLayoutManager();
if (tapPositions[messageType] != NO_POSITION && layoutManager != null) {
//d("MessageList", "Scrolling");
if (topPositions[messageType] > layoutManager.findLastCompletelyVisibleItemPosition()) {
b.emailList.scrollToPosition(topPositions[messageType]);
}
else if (bottomPositions[messageType] < layoutManager.findFirstCompletelyVisibleItemPosition()) {
b.emailList.scrollToPosition(bottomPositions[messageType]);
}
else {
b.emailList.scrollToPosition(tapPositions[messageType]);
}
//tapPositions[messageType] = NO_POSITION;
//topPositions[messageType] = NO_POSITION;
//bottomPositions[messageType] = NO_POSITION;
}
// TODO ANIMATION
/*final ViewTreeObserver observer = viewParent.getViewTreeObserver();
observer.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
@Override
public boolean onPreDraw() {
viewParent.getViewTreeObserver().removeOnPreDrawListener(this);
*//*viewParent.getViewTreeObserver().removeOnPreDrawListener(this);
if (getExitTransition() == null) {
setExitTransition(new SlideExplode().setDuration(TRANSITION_DURATION).setInterpolator(transitionInterpolator));
}
LinearLayoutManager layoutManager = (LinearLayoutManager) b.emailList.getLayoutManager();
View view2 = layoutManager != null ? layoutManager.findViewByPosition(tapPosition) : null;
if (view2 != null) {
view2.getGlobalVisibleRect(viewRect);
@ -248,24 +267,8 @@ public class MessagesListFragment extends Fragment {
d("MessagesList", "topPosition "+topPosition);
d("MessagesList", "tapPosition "+tapPosition);
d("MessagesList", "bottomPosition "+bottomPosition);
if (tapPosition != NO_POSITION && layoutManager != null) {
d("MessageList", "Scrolling");
d("MessagesList", "bottomPosition "+bottomPosition);*//*
if (bottomPosition > layoutManager.findLastCompletelyVisibleItemPosition()) {
b.emailList.scrollToPosition(bottomPosition);
}
else if (topPosition < layoutManager.findFirstCompletelyVisibleItemPosition()) {
b.emailList.scrollToPosition(topPosition);
}
else {
b.emailList.scrollToPosition(tapPosition);
}
tapPosition = NO_POSITION;
topPosition = NO_POSITION;
bottomPosition = NO_POSITION;
}
startPostponedEnterTransition();
return true;
@ -276,7 +279,7 @@ public class MessagesListFragment extends Fragment {
@Override
public void onSaveInstanceState(@NonNull Bundle outState) {
super.onSaveInstanceState(outState);
d("MessagesList", "onSaveInstanceState position "+tapPosition);
outState.putInt(TAP_POSITION, tapPosition);
d("MessagesList", "onSaveInstanceState position "+tapPositions[messageType]);
outState.putInt(TAP_POSITION, tapPositions[messageType]);
}
}