Show popup when admin status change while on group info fragment

app/build.gradle

@@ -142,9 +142,9 @@ repositories {
         url file(LinphoneSdkBuildDir + '/maven_repository/')
     }
 
-    maven {
+    /*maven {
         url "https://linphone.org/maven_repository"
-    }
+    }*/
 }
 
 dependencies {
@@ -152,7 +152,7 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation 'androidx.appcompat:appcompat:1.1.0'
     implementation "androidx.media:media:1.1.0"
-    implementation 'androidx.fragment:fragment-ktx:1.2.4'
+    implementation 'androidx.fragment:fragment-ktx:1.2.5'
     implementation 'androidx.core:core-ktx:1.3.0'
     implementation 'androidx.navigation:navigation-fragment-ktx:2.2.2'
     implementation 'androidx.navigation:navigation-ui-ktx:2.2.2'

app/src/main/java/org/linphone/activities/main/chat/fragments/GroupInfoFragment.kt

@@ -49,6 +49,7 @@ class GroupInfoFragment : Fragment() {
     private lateinit var viewModel: GroupInfoViewModel
     private lateinit var sharedViewModel: SharedMainViewModel
     private lateinit var adapter: GroupInfoParticipantsAdapter
+    private var meAdminStatusChangedDialog: Dialog? = null
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -93,8 +94,14 @@ class GroupInfoFragment : Fragment() {
             adapter.submitList(it)
         })
 
-        viewModel.isMeAdmin.observe(viewLifecycleOwner, Observer {
-            adapter.showAdminControls(it && chatRoom != null)
+        viewModel.isMeAdmin.observe(viewLifecycleOwner, Observer { isMeAdmin ->
+            adapter.showAdminControls(isMeAdmin && chatRoom != null)
+        })
+
+        viewModel.meAdminChangedEvent.observe(viewLifecycleOwner, Observer {
+            it.consume { isMeAdmin ->
+                showMeAdminStateChanged(isMeAdmin)
+            }
         })
 
         adapter.participantRemovedEvent.observe(viewLifecycleOwner, Observer {
@@ -191,4 +198,23 @@ class GroupInfoFragment : Fragment() {
             findNavController().navigate(R.id.action_groupInfoFragment_to_detailChatRoomFragment)
         }
     }
+
+    private fun showMeAdminStateChanged(isMeAdmin: Boolean) {
+        meAdminStatusChangedDialog?.dismiss()
+
+        val message = if (isMeAdmin) {
+            getString(R.string.chat_room_group_info_you_are_now_admin)
+        } else {
+            getString(R.string.chat_room_group_info_you_are_no_longer_admin)
+        }
+        val dialogViewModel = DialogViewModel(message)
+        val dialog = DialogUtils.getDialog(requireContext(), dialogViewModel)
+
+        dialogViewModel.showOkButton({
+            dialog.dismiss()
+        })
+
+        dialog.show()
+        meAdminStatusChangedDialog = dialog
+    }
 }

app/src/main/java/org/linphone/activities/main/chat/viewmodels/GroupInfoViewModel.kt

@@ -54,6 +54,10 @@ class GroupInfoViewModel(val chatRoom: ChatRoom?) : ErrorReportingViewModel() {
 
     val waitForChatRoomCreation = MutableLiveData<Boolean>()
 
+    val meAdminChangedEvent: MutableLiveData<Event<Boolean>> by lazy {
+        MutableLiveData<Event<Boolean>>()
+    }
+
     private val listener = object : ChatRoomListenerStub() {
         override fun onStateChanged(chatRoom: ChatRoom, state: ChatRoom.State) {
             if (state == ChatRoom.State.Created) {
@@ -79,7 +83,9 @@ class GroupInfoViewModel(val chatRoom: ChatRoom?) : ErrorReportingViewModel() {
         }
 
         override fun onParticipantAdminStatusChanged(chatRoom: ChatRoom?, eventLog: EventLog?) {
-            isMeAdmin.value = chatRoom?.me?.isAdmin
+            val admin = chatRoom?.me?.isAdmin ?: false
+            isMeAdmin.value = admin
+            meAdminChangedEvent.value = Event(admin)
             updateParticipants()
         }
     }

app/src/main/java/org/linphone/activities/main/viewmodels/DialogViewModel.kt

@@ -73,7 +73,7 @@ class DialogViewModel(val message: String, val title: String = "") : ViewModel()
     var okLabel: String = "OK"
     private var onOk: (Boolean) -> Unit = {}
 
-    fun showOkButton(ok: (Boolean) -> Unit, label: String) {
+    fun showOkButton(ok: (Boolean) -> Unit, label: String = okLabel) {
         showOk = true
         onOk = ok
         okLabel = label

app/src/main/res/values/strings.xml

@@ -140,6 +140,8 @@
     <string name="chat_room_group_info_leave">Leave the group</string>
     <string name="chat_room_group_info_leave_dialog_button">Leave</string>
     <string name="chat_room_group_info_leave_dialog_message">Do you want to leave this conversation?</string>
+    <string name="chat_room_group_info_you_are_now_admin">You are now admin</string>
+    <string name="chat_room_group_info_you_are_no_longer_admin">You are no longer admin</string>
     <string name="chat_message_imdn_info">Delivery status</string>
     <string name="chat_message_imdn_displayed">Read</string>
     <string name="chat_message_imdn_delivered">Delivered</string>