feature(space) : prepare LeaveSpace for navigation to Roles&Permissions

features/space/impl/src/main/kotlin/io/element/android/features/space/impl/SpaceFlowNode.kt

@@ -82,7 +82,16 @@ class SpaceFlowNode(
     override fun resolve(navTarget: NavTarget, buildContext: BuildContext): Node {
         return when (navTarget) {
             NavTarget.Leave -> {
-                createNode<LeaveSpaceNode>(buildContext)
+                val callback = object : LeaveSpaceNode.Callback {
+                    override fun closeLeaveSpaceFlow() {
+                        backstack.pop()
+                    }
+
+                    override fun navigateToRolesAndPermissions() {
+                        // TODO
+                    }
+                }
+                createNode<LeaveSpaceNode>(buildContext, listOf(callback))
             }
             NavTarget.Root -> {
                 val callback = object : SpaceNode.Callback {
@@ -111,7 +120,7 @@ class SpaceFlowNode(
                     }
 
                     override fun navigateToSpaceInfo() {
-                        //TODO
+                        // TODO
                     }
 
                     override fun navigateToSpaceMembers() {
@@ -119,11 +128,11 @@ class SpaceFlowNode(
                     }
 
                     override fun navigateToRolesAndPermissions() {
-                        //TODO
+                        // TODO
                     }
 
                     override fun navigateToSecurityAndPrivacy() {
-                        //TODO
+                        // TODO
                     }
 
                     override fun startLeaveSpaceFlow() {

features/space/impl/src/main/kotlin/io/element/android/features/space/impl/leave/LeaveSpaceNode.kt

@@ -13,6 +13,7 @@ import com.bumble.appyx.core.lifecycle.subscribe
 import com.bumble.appyx.core.modality.BuildContext
 import com.bumble.appyx.core.node.Node
 import com.bumble.appyx.core.plugin.Plugin
+import com.bumble.appyx.core.plugin.plugins
 import dev.zacsweers.metro.Assisted
 import dev.zacsweers.metro.AssistedInject
 import io.element.android.annotations.ContributesNode
@@ -29,9 +30,16 @@ class LeaveSpaceNode(
     room: JoinedRoom,
     presenterFactory: LeaveSpacePresenter.Factory,
 ) : Node(buildContext, plugins = plugins) {
+    interface Callback : Plugin {
+        fun closeLeaveSpaceFlow()
+        fun navigateToRolesAndPermissions()
+    }
+
     private val leaveSpaceHandle = matrixClient.spaceService.getLeaveSpaceHandle(room.roomId)
     private val presenter: LeaveSpacePresenter = presenterFactory.create(leaveSpaceHandle)
 
+    private val callback = plugins<Callback>().single()
+
     override fun onBuilt() {
         super.onBuilt()
         lifecycle.subscribe(
@@ -46,7 +54,8 @@ class LeaveSpaceNode(
         val state = presenter.present()
         LeaveSpaceView(
             state = state,
-            onCancel = ::navigateUp,
+            onCancel = callback::closeLeaveSpaceFlow,
+            onRolesAndPermissionsClick = callback::navigateToRolesAndPermissions,
             modifier = modifier
         )
     }

features/space/impl/src/main/kotlin/io/element/android/features/space/impl/leave/LeaveSpaceView.kt

@@ -69,6 +69,7 @@ import io.element.android.libraries.ui.strings.CommonStrings
 fun LeaveSpaceView(
     state: LeaveSpaceState,
     onCancel: () -> Unit,
+    onRolesAndPermissionsClick: () -> Unit,
     modifier: Modifier = Modifier,
 ) {
     Scaffold(
@@ -130,6 +131,9 @@ fun LeaveSpaceView(
                     state.eventSink(LeaveSpaceEvents.LeaveSpace)
                 },
                 onCancel = onCancel,
+                // TODO enable when navigation is ready
+                showRolesAndPermissionsButton = false, // state.isLastAdmin,
+                onRolesAndPermissionsClick = onRolesAndPermissionsClick,
             )
         }
     }
@@ -210,6 +214,8 @@ private fun LeaveSpaceButtons(
     showLeaveButton: Boolean,
     selectedRoomsCount: Int,
     onLeaveSpace: () -> Unit,
+    showRolesAndPermissionsButton: Boolean,
+    onRolesAndPermissionsClick: () -> Unit,
     onCancel: () -> Unit,
 ) {
     ButtonColumnMolecule(
@@ -229,8 +235,14 @@ private fun LeaveSpaceButtons(
                 destructive = true,
             )
         }
-        // TODO For least admin space, add a button to open the settings.
+        if (showRolesAndPermissionsButton) {
-        // See https://www.figma.com/design/kcnHxunG1LDWXsJhaNuiHz/ER-145--Spaces-on-Element-X?node-id=4622-59600
+            Button(
+                text = stringResource(CommonStrings.action_go_to_roles_and_permissions),
+                onClick = onRolesAndPermissionsClick,
+                modifier = Modifier.fillMaxWidth(),
+                leadingIcon = IconSource.Vector(CompoundIcons.Settings()),
+            )
+        }
         TextButton(
             modifier = Modifier.fillMaxWidth(),
             text = stringResource(CommonStrings.action_cancel),
@@ -345,5 +357,6 @@ internal fun LeaveSpaceViewPreview(
     LeaveSpaceView(
         state = state,
         onCancel = {},
+        onRolesAndPermissionsClick = {},
     )
 }

features/space/impl/src/main/kotlin/io/element/android/features/space/impl/settings/SpaceSettingsView.kt

@@ -90,7 +90,6 @@ fun SpaceSettingsView(
                     onClick = onLeaveSpaceClick
                 )
             })
-
         }
     }
 }