From 8a6a2bef0253610c912b2a4e4b86970fe469933b Mon Sep 17 00:00:00 2001
From: Sylvain Berfini <sylvain.berfini@belledonne-communications.com>
Date: Wed, 10 Jan 2024 11:50:41 +0100
Subject: [PATCH] Added label to let user know there is no message matching
 it's filter

---
 .../main/chat/viewmodel/ConversationViewModel.kt |  8 ++++++++
 .../res/layout/chat_conversation_fragment.xml    | 16 +++++++++++++++-
 app/src/main/res/values/strings.xml              |  1 +
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/org/linphone/ui/main/chat/viewmodel/ConversationViewModel.kt b/app/src/main/java/org/linphone/ui/main/chat/viewmodel/ConversationViewModel.kt
index b346f54ce..b513051ed 100644
--- a/app/src/main/java/org/linphone/ui/main/chat/viewmodel/ConversationViewModel.kt
+++ b/app/src/main/java/org/linphone/ui/main/chat/viewmodel/ConversationViewModel.kt
@@ -70,6 +70,8 @@ class ConversationViewModel @UiThread constructor() : ViewModel() {
 
     val isUserScrollingUp = MutableLiveData<Boolean>()
 
+    val noMatchingResultForFilter = MutableLiveData<Boolean>()
+
     var scrollingPosition: Int = SCROLLING_POSITION_NOT_SET
 
     val focusSearchBarEvent: MutableLiveData<Event<Boolean>> by lazy {
@@ -474,6 +476,12 @@ class ConversationViewModel @UiThread constructor() : ViewModel() {
         val history = chatRoom.getHistoryEvents(0)
         val eventsList = getEventsListFromHistory(history, filter)
         events.postValue(eventsList)
+
+        if (filter.isNotEmpty() && eventsList.isEmpty()) {
+            noMatchingResultForFilter.postValue(true)
+        } else {
+            noMatchingResultForFilter.postValue(false)
+        }
     }
 
     @WorkerThread
diff --git a/app/src/main/res/layout/chat_conversation_fragment.xml b/app/src/main/res/layout/chat_conversation_fragment.xml
index 3aa7a645f..68ddbabcf 100644
--- a/app/src/main/res/layout/chat_conversation_fragment.xml
+++ b/app/src/main/res/layout/chat_conversation_fragment.xml
@@ -147,7 +147,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="0dp"
                 android:padding="15dp"
-                android:src="@drawable/phone_call"
+                android:src="@drawable/phone"
                 app:layout_constraintBottom_toBottomOf="@id/title"
                 app:layout_constraintEnd_toStartOf="@id/show_menu"
                 app:layout_constraintTop_toTopOf="@id/title"
@@ -216,6 +216,20 @@
                 app:layout_constraintTop_toTopOf="parent"
                 app:layout_constraintBottom_toTopOf="@id/composing"/>
 
+            <androidx.appcompat.widget.AppCompatTextView
+                style="@style/default_text_style_800"
+                android:id="@+id/no_result"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/conversation_filter_no_matching_result"
+                android:textColor="?attr/color_main2_600"
+                android:textSize="16sp"
+                android:visibility="@{viewModel.noMatchingResultForFilter ? View.VISIBLE : View.GONE}"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@id/search"
+                app:layout_constraintBottom_toTopOf="@id/send_area"
+                app:layout_constraintEnd_toEndOf="parent"/>
+
             <androidx.appcompat.widget.AppCompatTextView
                 style="@style/default_text_style_300"
                 android:id="@+id/composing"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 9135db434..290faa92b 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -415,6 +415,7 @@
     <string name="conversation_reply_to_message_title">Replying to:</string>
     <string name="conversation_menu_search_in_messages">Search</string>
     <string name="conversation_menu_go_to_info">Conversation info</string>
+    <string name="conversation_filter_no_matching_result">No matching result</string>
 
     <string name="conversation_info_participants_list_title">Group members</string>
     <string name="conversation_info_add_participants_label">Add participants</string>