Merge "Adjusted the expand animation to be smooth again" into rvc-dev am: 8b9d2ed3ac

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11958696

Change-Id: Ic42920c6f477c267aa9b6dc469cd4650ab7b2cca

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

@@ -535,6 +535,7 @@ public class NotificationStackScrollLayout extends ViewGroup implements ScrollAd
     private float mLastSentAppear;
     private float mLastSentExpandedHeight;
     private boolean mWillExpand;
+    private int mGapHeight;
 
     private int mWaterfallTopInset;
 
@@ -1060,6 +1061,7 @@ public class NotificationStackScrollLayout extends ViewGroup implements ScrollAd
 
         Resources res = context.getResources();
         mCollapsedSize = res.getDimensionPixelSize(R.dimen.notification_min_height);
+        mGapHeight = res.getDimensionPixelSize(R.dimen.notification_section_divider_height);
         mStackScrollAlgorithm.initView(context);
         mAmbientState.reload(context);
         mPaddingBetweenElements = Math.max(1,
@@ -5099,8 +5101,10 @@ public class NotificationStackScrollLayout extends ViewGroup implements ScrollAd
     }
 
     @ShadeViewRefactor(RefactorComponent.SHADE_VIEW)
-    public int getFooterViewHeight() {
-        return mFooterView == null ? 0 : mFooterView.getHeight() + mPaddingBetweenElements;
+    public int getFooterViewHeightWithPadding() {
+        return mFooterView == null ? 0 : mFooterView.getHeight()
+                + mPaddingBetweenElements
+                + mGapHeight;
     }
 
     @ShadeViewRefactor(RefactorComponent.SHADE_VIEW)

packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelViewController.java

@@ -2397,8 +2397,8 @@ public class NotificationPanelViewController extends PanelViewController {
     }
 
     @Override
-    protected int getClearAllHeight() {
-        return mNotificationStackScroller.getFooterViewHeight();
+    protected int getClearAllHeightWithPadding() {
+        return mNotificationStackScroller.getFooterViewHeightWithPadding();
     }
 
     @Override

packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelViewController.java

@@ -537,9 +537,9 @@ public abstract class PanelViewController {
         // the animation only to the last notification, and then jump to the maximum panel height so
         // clear all just fades in and the decelerating motion is towards the last notification.
         final boolean clearAllExpandHack = expand &&
-                shouldExpandToTopOfClearAll(getMaxPanelHeight() - getClearAllHeight());
+                shouldExpandToTopOfClearAll(getMaxPanelHeight() - getClearAllHeightWithPadding());
         if (clearAllExpandHack) {
-            target = getMaxPanelHeight() - getClearAllHeight();
+            target = getMaxPanelHeight() - getClearAllHeightWithPadding();
         }
         if (target == mExpandedHeight || getOverExpansionAmount() > 0f && expand) {
             notifyExpandingFinished();
@@ -1030,9 +1030,9 @@ public abstract class PanelViewController {
     protected abstract boolean isClearAllVisible();
 
     /**
-     * @return the height of the clear all button, in pixels
+     * @return the height of the clear all button, in pixels including padding
      */
-    protected abstract int getClearAllHeight();
+    protected abstract int getClearAllHeightWithPadding();
 
     public void setHeadsUpManager(HeadsUpManagerPhone headsUpManager) {
         mHeadsUpManager = headsUpManager;