1 files changed, 35 insertions, 3 deletions
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitchController.java b/packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitchController.java
index f4a3fb236ffa..464f65ba8b3c 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitchController.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitchController.java
@@ -70,13 +70,16 @@ public class KeyguardClockSwitchController extends ViewController<KeyguardClockS
      * Clock for both small and large sizes
      */
     private AnimatableClockController mClockViewController;
-    private FrameLayout mClockFrame;
+    private FrameLayout mClockFrame; // top aligned clock
     private AnimatableClockController mLargeClockViewController;
-    private FrameLayout mLargeClockFrame;
+    private FrameLayout mLargeClockFrame; // centered clock
 
     private final KeyguardUpdateMonitor mKeyguardUpdateMonitor;
     private final KeyguardBypassController mBypassController;
 
+    private int mLargeClockTopMargin = 0;
+    private int mKeyguardClockTopMargin = 0;
+
     /**
      * Listener for changes to the color palette.
      *
@@ -175,6 +178,8 @@ public class KeyguardClockSwitchController extends ViewController<KeyguardClockS
         }
         mColorExtractor.addOnColorsChangedListener(mColorsListener);
         mView.updateColors(getGradientColors());
+        mKeyguardClockTopMargin =
+                mView.getResources().getDimensionPixelSize(R.dimen.keyguard_clock_top_margin);
 
         if (mOnlyClock) {
             View ksa = mView.findViewById(R.id.keyguard_status_area);
@@ -249,6 +254,8 @@ public class KeyguardClockSwitchController extends ViewController<KeyguardClockS
      */
     public void onDensityOrFontScaleChanged() {
         mView.onDensityOrFontScaleChanged();
+        mKeyguardClockTopMargin =
+                mView.getResources().getDimensionPixelSize(R.dimen.keyguard_clock_top_margin);
 
         updateClockLayout();
     }
@@ -257,9 +264,12 @@ public class KeyguardClockSwitchController extends ViewController<KeyguardClockS
         if (mSmartspaceController.isEnabled()) {
             RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(MATCH_PARENT,
                     MATCH_PARENT);
-            lp.topMargin = getContext().getResources().getDimensionPixelSize(
+            mLargeClockTopMargin = getContext().getResources().getDimensionPixelSize(
                     R.dimen.keyguard_large_clock_top_margin);
+            lp.topMargin = mLargeClockTopMargin;
             mLargeClockFrame.setLayoutParams(lp);
+        } else {
+            mLargeClockTopMargin = 0;
         }
     }
 
@@ -369,6 +379,28 @@ public class KeyguardClockSwitchController extends ViewController<KeyguardClockS
         }
     }
 
+    /**
+     * Get y-bottom position of the currently visible clock on the keyguard.
+     * We can't directly getBottom() because clock changes positions in AOD for burn-in
+     */
+    int getClockBottom(int statusBarHeaderHeight) {
+        if (mLargeClockFrame.getVisibility() == View.VISIBLE) {
+            View clock = mLargeClockFrame.findViewById(
+                    com.android.systemui.R.id.animatable_clock_view_large);
+            int frameHeight = mLargeClockFrame.getHeight();
+            int clockHeight = clock.getHeight();
+            return frameHeight / 2 + clockHeight / 2;
+        } else {
+            return mClockFrame.findViewById(
+                    com.android.systemui.R.id.animatable_clock_view).getHeight()
+                    + statusBarHeaderHeight + mKeyguardClockTopMargin;
+        }
+    }
+
+    boolean isClockTopAligned() {
+        return mLargeClockFrame.getVisibility() != View.VISIBLE;
+    }
+
     private void updateAodIcons() {
         NotificationIconContainer nic = (NotificationIconContainer)
                 mView.findViewById(