Update UI for new session management

app/src/main/java/net/pokeranalytics/android/ui/fragment/HistoryFragment.kt

@@ -5,7 +5,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.recyclerview.widget.DiffUtil
-import androidx.recyclerview.widget.LinearLayoutManager
 import io.realm.RealmResults
 import io.realm.Sort
 import io.realm.kotlin.where
@@ -23,6 +22,7 @@ import net.pokeranalytics.android.ui.fragment.components.PokerAnalyticsFragment
 import net.pokeranalytics.android.ui.view.HistorySessionDiffCallback
 import net.pokeranalytics.android.ui.view.RowRepresentable
 import net.pokeranalytics.android.ui.view.RowViewType
+import net.pokeranalytics.android.ui.view.SmoothScrollLinearLayoutManager
 import net.pokeranalytics.android.ui.view.rowrepresentable.HeaderRowRepresentable
 import net.pokeranalytics.android.util.getMonthAndYear
 import net.pokeranalytics.android.util.isSameDay
@@ -45,6 +45,7 @@ class HistoryFragment : PokerAnalyticsFragment(), LiveRowRepresentableDataSource
 	private lateinit var realmSessions: RealmResults<Session>
 	private val sessions: ArrayList<Session> = ArrayList()
 	private val rows: ArrayList<RowRepresentable> = ArrayList()
+	private var newSessionCreated: Boolean = false
 
 	override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
 		return inflater.inflate(R.layout.fragment_history, container, false)
@@ -76,10 +77,12 @@ class HistoryFragment : PokerAnalyticsFragment(), LiveRowRepresentableDataSource
 
 		newCashGame.setOnClickListener {
 			SessionActivity.newInstance(requireContext(), false)
+			newSessionCreated = true
 		}
 
 		newTournament.setOnClickListener {
 			SessionActivity.newInstance(requireContext(), true)
+			newSessionCreated = true
 		}
 
 	}
@@ -90,7 +93,7 @@ class HistoryFragment : PokerAnalyticsFragment(), LiveRowRepresentableDataSource
 	private fun initData() {
 		realmSessions = getRealm().where<Session>().findAll().sort("timeFrame.startDate", Sort.DESCENDING)
 
-		val viewManager = LinearLayoutManager(requireContext())
+		val viewManager = SmoothScrollLinearLayoutManager(requireContext())
 		historyAdapter = RowRepresentableAdapter(this, this)
 
 		recyclerView.apply {
@@ -144,6 +147,11 @@ class HistoryFragment : PokerAnalyticsFragment(), LiveRowRepresentableDataSource
 
 			val diffResult = DiffUtil.calculateDiff(HistorySessionDiffCallback(rows, oldRows))
 			historyAdapter.updateRows(diffResult)
+
+			if (newSessionCreated) {
+				newSessionCreated = false
+				recyclerView.smoothScrollToPosition(0)
+			}
 		}
 	}