Reland "Fix the gap between notification and smartspace is too large in large screen portrait mode"

Flag: com.android.systemui.migrate_clocks_to_blueprint
Bug: 351778047
Bug: 349955447
Test: presubmit SharedNotificationContainerViewModelTest

Change-Id: I16264454c01421f03dd1f00c498101d60566351e
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/SharedNotificationContainerViewModelTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/SharedNotificationContainerViewModelTest.kt
index f14c96ded..71cd95f 100644
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/SharedNotificationContainerViewModelTest.kt
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/SharedNotificationContainerViewModelTest.kt
@@ -64,7 +64,6 @@
 import com.android.systemui.statusbar.notification.stack.domain.interactor.sharedNotificationContainerInteractor
 import com.android.systemui.testKosmos
 import com.android.systemui.util.mockito.any
-import com.android.systemui.util.mockito.whenever
 import com.google.common.collect.Range
 import com.google.common.truth.Truth.assertThat
 import kotlinx.coroutines.ExperimentalCoroutinesApi
@@ -77,6 +76,7 @@
 import org.junit.Test
 import org.junit.runner.RunWith
 import org.mockito.Mockito.mock
+import org.mockito.kotlin.whenever
 import platform.test.runner.parameterized.ParameterizedAndroidJunit4
 import platform.test.runner.parameterized.Parameters
 
@@ -213,9 +213,11 @@
         }
 
     @Test
-    fun validatePaddingTop() =
+    fun validatePaddingTopInNonSplitShade_usesLargeScreenHeader() =
         testScope.runTest {
+            whenever(largeScreenHeaderHelper.getLargeScreenHeaderHeight()).thenReturn(10)
             overrideResource(R.bool.config_use_split_notification_shade, false)
+            overrideResource(R.bool.config_use_large_screen_shade_header, true)
             overrideResource(R.dimen.large_screen_shade_header_height, 10)
             overrideResource(R.dimen.keyguard_split_shade_top_margin, 50)
 
@@ -223,6 +225,21 @@
 
             configurationRepository.onAnyConfigurationChange()
 
+            assertThat(paddingTop).isEqualTo(10)
+        }
+
+    @Test
+    fun validatePaddingTopInNonSplitShade_doesNotUseLargeScreenHeader() =
+        testScope.runTest {
+            whenever(largeScreenHeaderHelper.getLargeScreenHeaderHeight()).thenReturn(10)
+            overrideResource(R.bool.config_use_split_notification_shade, false)
+            overrideResource(R.bool.config_use_large_screen_shade_header, false)
+            overrideResource(R.dimen.large_screen_shade_header_height, 10)
+            overrideResource(R.dimen.keyguard_split_shade_top_margin, 50)
+
+            val paddingTop by collectLastValue(underTest.paddingTopDimen)
+
+            configurationRepository.onAnyConfigurationChange()
             assertThat(paddingTop).isEqualTo(0)
         }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/SharedNotificationContainerViewModel.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/SharedNotificationContainerViewModel.kt
index d1d5d30..99f7a75 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/SharedNotificationContainerViewModel.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/SharedNotificationContainerViewModel.kt
@@ -187,7 +187,6 @@
         interactor.configurationBasedDimensions
             .map {
                 when {
-                    !it.useSplitShade -> 0
                     it.useLargeScreenHeader -> it.marginTopLargeScreen
                     else -> it.marginTop
                 }