Persist selected space on home fragment pause

Change-Id: Ib7771d83c0adb7a9e228261a55bac2f1de0f118f

vector/src/main/java/im/vector/app/AppStateHandler.kt

@@ -164,4 +164,19 @@ class AppStateHandler @Inject constructor(
             }
         }
     }
+
+    fun persistSelectedSpace() {
+        val currentValue = selectedSpaceDataSourceSc.currentValue?.orNull() ?: return
+        val currentMethod = currentValue.first as? RoomGroupingMethod.BySpace ?: return
+        val uSession = activeSessionHolder.getSafeActiveSession() ?: return
+
+        // We want to persist it, so we also want to remove the pendingSwipe status
+        if (currentValue.second) {
+            selectedSpaceDataSourceSc.post(Option.just(Pair(currentMethod, false)))
+        }
+
+        // Persist it across app restarts
+        uiStateRepository.storeGroupingMethod(true, uSession.sessionId)
+        uiStateRepository.storeSelectedSpace(currentMethod.spaceSummary?.roomId, uSession.sessionId)
+    }
 }

vector/src/main/java/im/vector/app/features/home/HomeDetailFragment.kt

@@ -274,6 +274,13 @@ class HomeDetailFragment @Inject constructor(
         }
     }
 
+    override fun onPause() {
+        super.onPause()
+
+        // Persist swiped
+        appStateHandler.persistSelectedSpace()
+    }
+
     private fun checkNotificationTabStatus(enableDialPad: Boolean? = null) {
         val wasVisible = views.bottomNavigationView.menu.findItem(R.id.bottom_action_notification).isVisible
         val combinedOverview = vectorPreferences.combinedOverview()