Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit a9283bee authored by Vadim Tryshev's avatar Vadim Tryshev
Browse files

Settling scrolls over clear-all button. 

Per UX feedback, we divide the "overscroll area" 50/50 and settle to the
closest of the most recent task position and the fully scrolled
position.

Bug: 72222505
Test: Manual
Change-Id: Ic98fa5ae2f14f274f6a425ac687f13f7b3a4332e
parent cacf90cc

src/com/android/launcher3/PagedView.java

+13 −5
Original line number Diff line number Diff line
@@ -1171,11 +1171,19 @@ public abstract class PagedView<T extends View & PageIndicator> extends ViewGrou 
                    mNextPage = getPageNearestToCenterOfScreen(unscaledScrollX);

                    int firstPageScroll = getScrollForPage(!mIsRtl ? 0 : getPageCount() - 1);

                    int lastPageScroll = getScrollForPage(!mIsRtl ? getPageCount() - 1 : 0);

                    if (mSettleOnPageInFreeScroll && unscaledScrollX > firstPageScroll

                            && unscaledScrollX < lastPageScroll) {

                        // Make sure we land directly on a page. If flinging past one of the ends,

                        // don't change the velocity as it will get stopped at the end anyway.

                        mScroller.setFinalX((int) (getScrollForPage(mNextPage) * getScaleX()));

                    if (mSettleOnPageInFreeScroll && unscaledScrollX > 0

                            && unscaledScrollX < mMaxScrollX) {

                        // If scrolling ends in the half of the added space that is closer to the

                        // end, settle to the end. Otherwise snap to the nearest page.

                        // If flinging past one of the ends, don't change the velocity as it will

                        // get stopped at the end anyway.

                        final int finalX = unscaledScrollX < firstPageScroll / 2 ?

                                0 :

                                unscaledScrollX > (lastPageScroll + mMaxScrollX) / 2 ?

                                        mMaxScrollX :

                                        getScrollForPage(mNextPage);



                        mScroller.setFinalX((int) (finalX * getScaleX()));

                        // Ensure the scroll/snap doesn't happen too fast;

                        int extraScrollDuration = OVERSCROLL_PAGE_SNAP_ANIMATION_DURATION

                                - mScroller.getDuration();