Merge "Fix overlap between notifications and lock icon in portrait shade" into udc-dev am: 674a19a2d3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23589950

Change-Id: I7efa7c1a4c84f879d4bf194fab156edc757d86d3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java

@@ -1653,10 +1653,9 @@ public final class NotificationPanelViewController implements ShadeSurface, Dump
                 Math.max(mIndicationBottomPadding, mAmbientIndicationBottomPadding));
         mKeyguardNotificationBottomPadding = bottomPadding;
 
-        float staticTopPadding = mClockPositionAlgorithm.getLockscreenMinStackScrollerPadding()
+        float staticTopPadding = mClockPositionAlgorithm.getLockscreenNotifPadding(
-                // getMinStackScrollerPadding is from the top of the screen,
+                mNotificationStackScrollLayoutController.getTop());
-                // but we need it from the top of the NSSL.
+
-                - mNotificationStackScrollLayoutController.getTop();
         mKeyguardNotificationTopPadding = staticTopPadding;
 
         // To debug the available space, enable debug lines in this class. If you change how the
@@ -1670,8 +1669,8 @@ public final class NotificationPanelViewController implements ShadeSurface, Dump
             Log.i(TAG, "\n");
             Log.i(TAG, "staticTopPadding[" + staticTopPadding
                     + "] = Clock.padding["
-                    + mClockPositionAlgorithm.getLockscreenMinStackScrollerPadding()
+                    + mClockPositionAlgorithm.getLockscreenNotifPadding(
-                    + "] - NSSLC.top[" + mNotificationStackScrollLayoutController.getTop()
+                            mNotificationStackScrollLayoutController.getTop())
                     + "]"
             );
             Log.i(TAG, "bottomPadding[" + bottomPadding

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

@@ -229,12 +229,18 @@ public class KeyguardClockPositionAlgorithm {
         }
     }
 
-    public float getLockscreenMinStackScrollerPadding() {
+    /**
+     * @param nsslTop NotificationStackScrollLayout top, which is below top of the srceen.
+     * @return Distance from nsslTop to top of the first view in the lockscreen shade.
+     */
+    public float getLockscreenNotifPadding(float nsslTop) {
         if (mBypassEnabled) {
-            return mUnlockedStackScrollerPadding;
+            return mUnlockedStackScrollerPadding - nsslTop;
         } else if (mIsSplitShade) {
-            return mSplitShadeTargetTopMargin + mUserSwitchHeight;
+            return mSplitShadeTargetTopMargin + mUserSwitchHeight - nsslTop;
         } else {
+            // Non-bypass portrait shade already uses values from nsslTop
+            // so we don't need to subtract it here.
             return mMinTopMargin + mKeyguardStatusHeight;
         }
     }

packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardClockPositionAlgorithmTest.java

@@ -67,6 +67,8 @@ public class KeyguardClockPositionAlgorithmTest extends SysuiTestCase {
     private float mQsExpansion;
     private int mCutoutTopInset = 0;
     private boolean mIsSplitShade = false;
+    private boolean mBypassEnabled = false;
+    private int mUnlockedStackScrollerPadding = 0;
     private float mUdfpsTop = -1;
     private float mClockBottom = SCREEN_HEIGHT / 2;
     private boolean mClockTopAligned;
@@ -339,15 +341,52 @@ public class KeyguardClockPositionAlgorithmTest extends SysuiTestCase {
     }
 
     @Test
-    public void notifMinPaddingAlignedWithClockInSplitShadeMode() {
+    public void notifPadding_splitShade() {
         givenLockScreen();
         mIsSplitShade = true;
         mKeyguardStatusHeight = 200;
         // WHEN the position algorithm is run
         positionClock();
         // THEN the padding DOESN'T adjust for keyguard status height.
-        assertThat(mClockPositionAlgorithm.getLockscreenMinStackScrollerPadding())
+        assertThat(mClockPositionAlgorithm.getLockscreenNotifPadding(/* nsslTop= */ 10))
-                .isEqualTo(mKeyguardStatusBarHeaderHeight);
+                .isEqualTo(mKeyguardStatusBarHeaderHeight - 10);
+    }
+
+    @Test
+    public void notifPadding_portraitShade_bypassOff() {
+        givenLockScreen();
+        mIsSplitShade = false;
+        mBypassEnabled = false;
+
+        // mMinTopMargin = 100 = 80 + max(20, 0)
+        mKeyguardStatusBarHeaderHeight = 80;
+        mUserSwitchHeight = 20;
+        when(mResources.getDimensionPixelSize(R.dimen.keyguard_clock_top_margin))
+                .thenReturn(0);
+
+        mKeyguardStatusHeight = 200;
+
+        // WHEN the position algorithm is run
+        positionClock();
+
+        // THEN padding = 300 = mMinTopMargin(100) + mKeyguardStatusHeight(200)
+        assertThat(mClockPositionAlgorithm.getLockscreenNotifPadding(/* nsslTop= */ 50))
+                .isEqualTo(300);
+    }
+
+    @Test
+    public void notifPadding_portraitShade_bypassOn() {
+        givenLockScreen();
+        mIsSplitShade = false;
+        mBypassEnabled = true;
+        mUnlockedStackScrollerPadding = 200;
+
+        // WHEN the position algorithm is run
+        positionClock();
+
+        // THEN padding = 150 = mUnlockedStackScrollerPadding(200) - nsslTop(50)
+        assertThat(mClockPositionAlgorithm.getLockscreenNotifPadding(/* nsslTop= */ 50))
+                .isEqualTo(150);
     }
 
     @Test
@@ -589,8 +628,8 @@ public class KeyguardClockPositionAlgorithmTest extends SysuiTestCase {
                 0 /* userSwitchPreferredY */,
                 mDark,
                 ZERO_DRAG,
-                false /* bypassEnabled */,
+                mBypassEnabled,
-                0 /* unlockedStackScrollerPadding */,
+                mUnlockedStackScrollerPadding,
                 mQsExpansion,
                 mCutoutTopInset,
                 mIsSplitShade,