From 9c6533bcebaebeffa5a5c9e0d401bbeea37e1b00 Mon Sep 17 00:00:00 2001
From: Sylvain Berfini <sylvain.berfini@belledonne-communications.com>
Date: Wed, 11 Oct 2023 16:07:27 +0200
Subject: [PATCH] Added unread messages count indicator to bottom nav bar

---
 .../main/viewmodel/BottomNavBarViewModel.kt   | 30 +++++++++++++++++++
 .../main/res/layout-land/bottom_nav_bar.xml   | 15 ++++++++++
 app/src/main/res/layout/bottom_nav_bar.xml    | 18 +++++++++++
 3 files changed, 63 insertions(+)

diff --git a/app/src/main/java/org/linphone/ui/main/viewmodel/BottomNavBarViewModel.kt b/app/src/main/java/org/linphone/ui/main/viewmodel/BottomNavBarViewModel.kt
index 296a52fa1..01648c035 100644
--- a/app/src/main/java/org/linphone/ui/main/viewmodel/BottomNavBarViewModel.kt
+++ b/app/src/main/java/org/linphone/ui/main/viewmodel/BottomNavBarViewModel.kt
@@ -26,6 +26,8 @@ import androidx.lifecycle.ViewModel
 import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.LinphoneApplication.Companion.corePreferences
 import org.linphone.core.Call
+import org.linphone.core.ChatMessage
+import org.linphone.core.ChatRoom
 import org.linphone.core.Core
 import org.linphone.core.CoreListenerStub
 import org.linphone.core.tools.Log
@@ -50,6 +52,8 @@ class BottomNavBarViewModel @UiThread constructor() : ViewModel() {
 
     val missedCallsCount = MutableLiveData<Int>()
 
+    val unreadMessages = MutableLiveData<Int>()
+
     private val coreListener = object : CoreListenerStub() {
         @WorkerThread
         override fun onCallStateChanged(
@@ -62,12 +66,27 @@ class BottomNavBarViewModel @UiThread constructor() : ViewModel() {
                 updateMissedCallsCount()
             }
         }
+
+        @WorkerThread
+        override fun onMessagesReceived(
+            core: Core,
+            chatRoom: ChatRoom,
+            messages: Array<out ChatMessage>
+        ) {
+            updateUnreadMessagesCount()
+        }
+
+        @WorkerThread
+        override fun onChatRoomRead(core: Core, chatRoom: ChatRoom) {
+            updateUnreadMessagesCount()
+        }
     }
 
     init {
         coreContext.postOnCoreThread { core ->
             core.addListener(coreListener)
             updateMissedCallsCount()
+            updateUnreadMessagesCount()
         }
 
         updateAvailableMenus()
@@ -93,6 +112,17 @@ class BottomNavBarViewModel @UiThread constructor() : ViewModel() {
         missedCallsCount.postValue(count)
     }
 
+    @WorkerThread
+    fun updateUnreadMessagesCount() {
+        val account = LinphoneUtils.getDefaultAccount()
+        val count = account?.unreadChatMessageCount ?: coreContext.core.unreadChatMessageCount
+        val moreThanOne = count > 1
+        Log.i(
+            "$TAG There ${if (moreThanOne) "are" else "is"} [$count] unread ${if (moreThanOne) "messages" else "message"}"
+        )
+        unreadMessages.postValue(count)
+    }
+
     @UiThread
     fun resetMissedCallsCount() {
         coreContext.postOnCoreThread { core ->
diff --git a/app/src/main/res/layout-land/bottom_nav_bar.xml b/app/src/main/res/layout-land/bottom_nav_bar.xml
index 07a905307..677071b94 100644
--- a/app/src/main/res/layout-land/bottom_nav_bar.xml
+++ b/app/src/main/res/layout-land/bottom_nav_bar.xml
@@ -92,6 +92,21 @@
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toBottomOf="@id/calls" />
 
+        <androidx.appcompat.widget.AppCompatTextView
+            style="@style/default_text_style"
+            android:id="@+id/unread_messages"
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            android:gravity="center"
+            android:background="@drawable/shape_red_round"
+            android:text="@{String.valueOf(viewModel.unreadMessages), default=`1`}"
+            android:textColor="@color/white"
+            android:textSize="13sp"
+            android:paddingBottom="2dp"
+            android:visibility="@{viewModel.unreadMessages > 0 ? View.VISIBLE : View.GONE}"
+            app:layout_constraintTop_toTopOf="@id/conversations"
+            app:layout_constraintEnd_toEndOf="@id/conversations"/>
+
         <androidx.appcompat.widget.AppCompatTextView
             style="@style/bottom_nav_bar_label_style"
             android:onClick="@{onMeetingsClicked}"
diff --git a/app/src/main/res/layout/bottom_nav_bar.xml b/app/src/main/res/layout/bottom_nav_bar.xml
index fffa01ca4..236dd7c68 100644
--- a/app/src/main/res/layout/bottom_nav_bar.xml
+++ b/app/src/main/res/layout/bottom_nav_bar.xml
@@ -104,6 +104,24 @@
             app:layout_constraintStart_toEndOf="@id/calls"
             app:layout_constraintTop_toTopOf="parent" />
 
+        <androidx.appcompat.widget.AppCompatTextView
+            style="@style/default_text_style"
+            android:id="@+id/unread_messages"
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            android:layout_marginStart="50dp"
+            android:layout_marginTop="5dp"
+            android:gravity="center"
+            android:background="@drawable/shape_red_round"
+            android:text="@{String.valueOf(viewModel.unreadMessages), default=`1`}"
+            android:textColor="@color/white"
+            android:textSize="13sp"
+            android:paddingBottom="2dp"
+            android:visibility="@{viewModel.unreadMessages > 0 ? View.VISIBLE : View.GONE}"
+            app:layout_constraintTop_toTopOf="@id/conversations"
+            app:layout_constraintStart_toStartOf="@id/conversations"
+            app:layout_constraintEnd_toEndOf="@id/conversations"/>
+
         <androidx.appcompat.widget.AppCompatTextView
             style="@style/bottom_nav_bar_label_style"
             android:onClick="@{onMeetingsClicked}"