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Commit 3b25cae9 authored by Lyn Han's avatar Lyn Han
Browse files

Hide footer in place instead of scrolling it offscreen 

Bug: 186479647
Test: open shade with shelf,
      scroll notifications all the way up to show footer,
      then scroll down => footer hides in place
Change-Id: If95b6f8682cc1d8980d6e2b9edf769fb55aad336
parent f5cded5a

packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/StackScrollAlgorithm.java

+8 −4
Original line number Diff line number Diff line
@@ -399,10 +399,14 @@ public class StackScrollAlgorithm { 
        }



        if (view instanceof FooterView) {

            viewState.yTranslation = Math.min(viewState.yTranslation,

                    ambientState.getStackHeight());

            // Hide footer if shelf is showing

            viewState.hidden = algorithmState.firstViewInShelf != null;

            final boolean isShelfShowing = algorithmState.firstViewInShelf != null;



            final float footerEnd = viewState.yTranslation + view.getIntrinsicHeight();

            final boolean noSpaceForFooter = footerEnd > ambientState.getStackHeight();



            viewState.hidden = isShelfShowing

                    || (!ambientState.isExpansionChanging() && noSpaceForFooter);



        } else if (view != ambientState.getTrackedHeadsUpRow()) {

            if (ambientState.isExpansionChanging()) {

                // Show all views. Views below the shelf will later be clipped (essentially hidden)