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Using inbuild smooth scroller instead of custom fastscrolling logic

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Change-Id: I9208720c3bf164bd664e5bacd75b672573fe7601
This commit is contained in:
Sunny Goyal
2020-04-17 16:31:40 -07:00
parent f01f25b579
commit 355e845851
4 changed files with 69 additions and 209 deletions
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9
src/com/android/launcher3/views/RecyclerViewFastScroller.java
View File

@@ -67,7 +67,6 @@ public class RecyclerViewFastScroller extends View {
private final static int MAX_TRACK_ALPHA = 30;
private final static int SCROLL_BAR_VIS_DURATION = 150;
private static final float FAST_SCROLL_OVERLAY_Y_OFFSET_FACTOR = 0.75f;
private static final List<Rect> SYSTEM_GESTURE_EXCLUSION_RECT =
Collections.singletonList(new Rect());
@@ -184,7 +183,7 @@ public class RecyclerViewFastScroller extends View {
if (mThumbOffsetY == y) {
return;
}
updatePopupY((int) y);
updatePopupY(y);
mThumbOffsetY = y;
invalidate();
}
@@ -237,7 +236,7 @@ public class RecyclerViewFastScroller extends View {
} else if (mRv.supportsFastScrolling()
&& isNearScrollBar(mDownX)) {
calcTouchOffsetAndPrepToFastScroll(mDownY, mLastY);
updateFastScrollSectionNameAndThumbOffset(mLastY, y);
updateFastScrollSectionNameAndThumbOffset(y);
}
break;
case MotionEvent.ACTION_MOVE:
@@ -252,7 +251,7 @@ public class RecyclerViewFastScroller extends View {
calcTouchOffsetAndPrepToFastScroll(mDownY, mLastY);
}
if (mIsDragging) {
updateFastScrollSectionNameAndThumbOffset(mLastY, y);
updateFastScrollSectionNameAndThumbOffset(y);
}
break;
case MotionEvent.ACTION_UP:
@@ -281,7 +280,7 @@ public class RecyclerViewFastScroller extends View {
showActiveScrollbar(true);
}
private void updateFastScrollSectionNameAndThumbOffset(int lastY, int y) {
private void updateFastScrollSectionNameAndThumbOffset(int y) {
// Update the fastscroller section name at this touch position
int bottom = mRv.getScrollbarTrackHeight() - mThumbHeight;
float boundedY = (float) Math.max(0, Math.min(bottom, y - mTouchOffsetY));