Fixes add subspace not working in new layout

vector/src/main/java/im/vector/app/features/spaces/SpaceListFragment.kt

@@ -37,6 +37,8 @@ import im.vector.app.features.home.HomeActivitySharedAction
 import im.vector.app.features.home.HomeSharedActionViewModel
 import im.vector.app.features.home.room.list.actions.RoomListSharedAction
 import im.vector.app.features.home.room.list.actions.RoomListSharedActionViewModel
+import im.vector.app.features.spaces.manage.ManageType
+import im.vector.app.features.spaces.manage.SpaceManageActivity
 import org.matrix.android.sdk.api.session.room.model.RoomSummary
 import javax.inject.Inject
 
@@ -172,10 +174,11 @@ class SpaceListFragment @Inject constructor(
 
     private fun observeViewEvents() = viewModel.observeViewEvents {
         when (it) {
-            is SpaceListViewEvents.OpenSpaceSummary -> homeActivitySharedActionViewModel.post(HomeActivitySharedAction.OpenSpacePreview(it.id))
-            is SpaceListViewEvents.AddSpace -> homeActivitySharedActionViewModel.post(HomeActivitySharedAction.AddSpace)
-            is SpaceListViewEvents.OpenSpaceInvite -> homeActivitySharedActionViewModel.post(HomeActivitySharedAction.OpenSpaceInvite(it.id))
+            SpaceListViewEvents.AddSpace -> homeActivitySharedActionViewModel.post(HomeActivitySharedAction.AddSpace)
             SpaceListViewEvents.CloseDrawer -> homeActivitySharedActionViewModel.post(HomeActivitySharedAction.CloseDrawer)
+            is SpaceListViewEvents.AddSubSpace -> startActivity(SpaceManageActivity.newIntent(requireActivity(), it.spaceId, ManageType.AddRoomsOnlySpaces))
+            is SpaceListViewEvents.OpenSpaceSummary -> homeActivitySharedActionViewModel.post(HomeActivitySharedAction.OpenSpacePreview(it.id))
+            is SpaceListViewEvents.OpenSpaceInvite -> homeActivitySharedActionViewModel.post(HomeActivitySharedAction.OpenSpaceInvite(it.id))
         }
     }
 

vector/src/main/java/im/vector/app/features/spaces/SpaceListViewEvents.kt

@@ -25,5 +25,6 @@ sealed class SpaceListViewEvents : VectorViewEvents {
     data class OpenSpaceSummary(val id: String) : SpaceListViewEvents()
     data class OpenSpaceInvite(val id: String) : SpaceListViewEvents()
     object AddSpace : SpaceListViewEvents()
+    data class AddSubSpace(val spaceId: String) : SpaceListViewEvents()
     object CloseDrawer : SpaceListViewEvents()
 }

vector/src/main/java/im/vector/app/features/spaces/SpaceListViewModel.kt

@@ -27,6 +27,7 @@ import im.vector.app.SpaceStateHandler
 import im.vector.app.core.di.MavericksAssistedViewModelFactory
 import im.vector.app.core.di.hiltMavericksViewModelFactory
 import im.vector.app.core.platform.VectorViewModel
+import im.vector.app.features.VectorFeatures
 import im.vector.app.features.analytics.AnalyticsTracker
 import im.vector.app.features.analytics.plan.Interaction
 import im.vector.app.features.invite.AutoAcceptInvites
@@ -65,7 +66,8 @@ class SpaceListViewModel @AssistedInject constructor(
         private val session: Session,
         private val vectorPreferences: VectorPreferences,
         private val autoAcceptInvites: AutoAcceptInvites,
-        private val analyticsTracker: AnalyticsTracker
+        private val analyticsTracker: AnalyticsTracker,
+        private val vectorFeatures: VectorFeatures,
 ) : VectorViewModel<SpaceListViewState, SpaceListAction, SpaceListViewEvents>(initialState) {
 
     @AssistedFactory
@@ -247,7 +249,13 @@ class SpaceListViewModel @AssistedInject constructor(
     }
 
     private fun handleAddSpace() {
-        _viewEvents.post(SpaceListViewEvents.AddSpace)
+        val currentSpace = spaceStateHandler.getCurrentSpace()
+
+        if (currentSpace == null || !vectorFeatures.isNewAppLayoutEnabled()) {
+            _viewEvents.post(SpaceListViewEvents.AddSpace)
+        } else {
+            _viewEvents.post(SpaceListViewEvents.AddSubSpace(currentSpace.roomId))
+        }
     }
 
     private fun observeSpaceSummaries() {