Offset bounds by card top padding to align lockscreen/launcher smartspaces.

This fixes the issue where the smartspace jumps
around when an alarm is set, and the lockscreen
smartspace has three text lines while launcher's
has two.

Bug: 232413750
Test: unlock with/without alarm set
Change-Id: Iaca7d62779f9f45b94833272d853bbfc2cbc42ae

packages/SystemUI/plugin/bcsmartspace/src/com/android/systemui/plugins/BcSmartspaceDataPlugin.java

@@ -134,6 +134,12 @@ public interface BcSmartspaceDataPlugin extends Plugin {
          * Get the index of the currently selected page.
          */
         int getSelectedPage();
+
+        /**
+         * Return the top padding value from the currently visible card, or 0 if there is no current
+         * card.
+         */
+        int getCurrentCardTopPadding();
     }
 
     /** Interface for launching Intents, which can differ on the lockscreen */

packages/SystemUI/src/com/android/systemui/keyguard/KeyguardUnlockAnimationController.kt

@@ -404,7 +404,19 @@ class KeyguardUnlockAnimationController @Inject constructor(
         if (willUnlockWithSmartspaceTransition) {
             lockscreenSmartspaceBounds = Rect().apply {
                 lockscreenSmartspace!!.getBoundsOnScreen(this)
+
+                // The smartspace container on the lockscreen has left and top padding to align it
+                // with other lockscreen content. This padding is inside the bounds on screen, so
+                // add it to those bounds so that the padding-less launcher smartspace is properly
+                // aligned.
                 offset(lockscreenSmartspace!!.paddingLeft, lockscreenSmartspace!!.paddingTop)
+
+                // Also offset by the current card's top padding, if it has any. This allows us to
+                // align the tops of the lockscreen/launcher smartspace cards. Some cards, such as
+                // the three-line date/weather/alarm card, only have three lines on lockscreen but
+                // two on launcher.
+                offset(0, (lockscreenSmartspace
+                        as? BcSmartspaceDataPlugin.SmartspaceView)?.currentCardTopPadding ?: 0)
             }
         }
 

packages/SystemUI/tests/src/com/android/systemui/smartspace/DreamSmartspaceControllerTest.kt

@@ -151,6 +151,8 @@ class DreamSmartspaceControllerTest : SysuiTestCase() {
         override fun setMediaTarget(target: SmartspaceTarget?) {}
 
         override fun getSelectedPage(): Int { return 0; }
+
+        override fun getCurrentCardTopPadding(): Int { return 0; }
     }
 
     /**

packages/SystemUI/tests/src/com/android/systemui/statusbar/lockscreen/LockscreenSmartspaceControllerTest.kt

@@ -603,6 +603,10 @@ class LockscreenSmartspaceControllerTest : SysuiTestCase() {
             override fun getSelectedPage(): Int {
                 return -1
             }
+
+            override fun getCurrentCardTopPadding(): Int {
+                return 0
+            }
         })
     }
 }