Updated scroll logic + removed old approach

Signed-off-by: rapterjet2004 <juliuslinus1@gmail.com>

app/src/main/java/com/nextcloud/talk/adapters/items/ConversationItem.kt

@@ -59,6 +59,8 @@ class ConversationItem(
     IFilterable<String?> {
     private var header: GenericTextHeaderItem? = null
     private val chatMessage = model.lastMessage?.asModel()
+    var mHolder: ConversationItemViewHolder? = null
+
 
     constructor(
         conversation: ConversationModel,
@@ -97,6 +99,7 @@ class ConversationItem(
         position: Int,
         payloads: List<Any>
     ) {
+        mHolder = holder
         val appContext = sharedApplication!!.applicationContext
         holder.binding.dialogName.setTextColor(
             ResourcesCompat.getColor(

app/src/main/java/com/nextcloud/talk/chat/ChatActivity.kt

@@ -195,7 +195,6 @@ import com.nextcloud.talk.utils.bundle.BundleKeys.KEY_IS_BREAKOUT_ROOM
 import com.nextcloud.talk.utils.bundle.BundleKeys.KEY_IS_MODERATOR
 import com.nextcloud.talk.utils.bundle.BundleKeys.KEY_RECORDING_STATE
 import com.nextcloud.talk.utils.bundle.BundleKeys.KEY_ROOM_TOKEN
-import com.nextcloud.talk.utils.bundle.BundleKeys.KEY_SCROLL_OFFSET
 import com.nextcloud.talk.utils.bundle.BundleKeys.KEY_START_CALL_AFTER_ROOM_SWITCH
 import com.nextcloud.talk.utils.bundle.BundleKeys.KEY_SWITCH_TO_ROOM
 import com.nextcloud.talk.utils.permissions.PlatformPermissionUtil
@@ -370,7 +369,6 @@ class ChatActivity :
 
     var myFirstMessage: CharSequence? = null
     var checkingLobbyStatus: Boolean = false
-    private var listScrollOffset: Int = 0
 
     private var conversationVoiceCallMenuItem: MenuItem? = null
     private var conversationVideoMenuItem: MenuItem? = null
@@ -394,10 +392,6 @@ class ChatActivity :
     private val onBackPressedCallback = object : OnBackPressedCallback(true) {
         override fun handleOnBackPressed() {
             val intent = Intent(this@ChatActivity, ConversationsListActivity::class.java)
-            val bundle = bundleOf()
-            bundle.putInt(KEY_SCROLL_OFFSET, listScrollOffset)
-            bundle.putString(KEY_ROOM_TOKEN, roomToken)
-            intent.putExtras(bundle)
             startActivity(intent)
         }
     }
@@ -554,7 +548,6 @@ class ChatActivity :
         val extras: Bundle? = intent.extras
 
         roomToken = extras?.getString(KEY_ROOM_TOKEN).orEmpty()
-        listScrollOffset = extras?.getInt(KEY_SCROLL_OFFSET, 0) ?: 0
 
         sharedText = extras?.getString(BundleKeys.KEY_SHARED_TEXT).orEmpty()
 

app/src/main/java/com/nextcloud/talk/conversationlist/ConversationsListActivity.kt

@@ -51,7 +51,6 @@ import androidx.core.view.isVisible
 import androidx.fragment.app.DialogFragment
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.lifecycleScope
-import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import androidx.work.Data
 import androidx.work.OneTimeWorkRequest
@@ -142,7 +141,6 @@ import com.nextcloud.talk.utils.bundle.BundleKeys.KEY_FORWARD_MSG_FLAG
 import com.nextcloud.talk.utils.bundle.BundleKeys.KEY_FORWARD_MSG_TEXT
 import com.nextcloud.talk.utils.bundle.BundleKeys.KEY_INTERNAL_USER_ID
 import com.nextcloud.talk.utils.bundle.BundleKeys.KEY_ROOM_TOKEN
-import com.nextcloud.talk.utils.bundle.BundleKeys.KEY_SCROLL_OFFSET
 import com.nextcloud.talk.utils.bundle.BundleKeys.KEY_SCROLL_TO_NOTIFICATION_CATEGORY
 import com.nextcloud.talk.utils.bundle.BundleKeys.KEY_SHARED_TEXT
 import com.nextcloud.talk.utils.permissions.PlatformPermissionUtil
@@ -237,8 +235,6 @@ class ConversationsListActivity :
     private var conversationsListBottomDialog: ConversationsListBottomDialog? = null
     private var searchHelper: MessageSearchHelper? = null
     private var searchViewDisposable: Disposable? = null
-    private var roomTokenFromIntent: String? = null
-    private var scrollOffset: Int = 0
     private var filterState =
         mutableMapOf(
             MENTION to false,
@@ -311,8 +307,6 @@ class ConversationsListActivity :
         showNotificationWarning()
 
         showShareToScreen = hasActivityActionSendIntent()
-        roomTokenFromIntent = intent.extras?.getString(KEY_ROOM_TOKEN)
-        scrollOffset = intent.extras?.getInt(KEY_SCROLL_OFFSET, 0) ?: 0
 
         if (!eventBus.isRegistered(this)) {
             eventBus.register(this)
@@ -432,17 +426,9 @@ class ConversationsListActivity :
                         .firstOrNull { ConversationUtils.isNoteToSelfConversation(it) }
                     val isNoteToSelfAvailable = noteToSelf != null
                     handleNoteToSelfShortcut(isNoteToSelfAvailable, noteToSelf?.token ?: "")
-                    if (roomTokenFromIntent != null) {
+
-                        val item = adapter?.currentItems?.first {
+                    val pair = appPreferences.conversationListPositionAndOffset
-                            it is ConversationItem && it.model.token == roomTokenFromIntent
+                    layoutManager?.scrollToPositionWithOffset(pair.first, pair.second)
-                        }
-                        val pos = adapter?.currentItems?.indexOf(item)
-                        pos?.let {
-                            val layoutManager = binding.recyclerView.layoutManager as LinearLayoutManager
-                            layoutManager.scrollToPosition(scrollOffset)
-                        }
-                        roomTokenFromIntent = null
-                    }
                 }.collect()
         }
 
@@ -1890,14 +1876,18 @@ class ConversationsListActivity :
 
         val bundle = Bundle()
         bundle.putString(KEY_ROOM_TOKEN, selectedConversation!!.token)
-        // bundle.putString(KEY_ROOM_ID, selectedConversation!!.roomId)
         bundle.putString(KEY_SHARED_TEXT, textToPaste)
         if (selectedMessageId != null) {
             bundle.putString(BundleKeys.KEY_MESSAGE_ID, selectedMessageId)
             selectedMessageId = null
         }
         val firstVisible = layoutManager?.findFirstVisibleItemPosition() ?: 0
-        bundle.putInt(KEY_SCROLL_OFFSET, firstVisible)
+        val firstItem = adapter?.getItem(firstVisible)
+        val firstTop = (firstItem as ConversationItem).mHolder?.itemView?.top
+        val firstOffset = firstTop?.minus(44) ?: 0
+
+        appPreferences.setConversationListPositionAndOffset(firstVisible, firstOffset)
+
         val intent = Intent(context, ChatActivity::class.java)
         intent.putExtras(bundle)
         startActivity(intent)

app/src/main/java/com/nextcloud/talk/utils/bundle/BundleKeys.kt

@@ -81,7 +81,6 @@ object BundleKeys {
     const val KEY_FIELD_MAP: String = "KEY_FIELD_MAP"
     const val KEY_CHAT_URL: String = "KEY_CHAT_URL"
     const val KEY_SCROLL_TO_NOTIFICATION_CATEGORY: String = "KEY_SCROLL_TO_NOTIFICATION_CATEGORY"
-    const val KEY_SCROLL_OFFSET: String = "KEY_SCROLL_OFFSET"
     const val KEY_FOCUS_INPUT: String = "KEY_FOCUS_INPUT"
     const val KEY_FROM_QR: String = "KEY_FROM_QR"
 }

app/src/main/java/com/nextcloud/talk/utils/preferences/AppPreferences.java

@@ -13,6 +13,8 @@ import android.annotation.SuppressLint;
 
 import com.nextcloud.talk.ui.PlaybackSpeed;
 
+import kotlin.Pair;
+
 @SuppressLint("NonConstantResourceId")
 public interface AppPreferences {
 
@@ -185,5 +187,9 @@ public interface AppPreferences {
 
     void setShowRegularNotificationWarning(boolean value);
 
+    void setConversationListPositionAndOffset(int position, int offset);
+
+    Pair<Integer, Integer> getConversationListPositionAndOffset();
+
     void clear();
 }

app/src/main/java/com/nextcloud/talk/utils/preferences/AppPreferencesImpl.kt

@@ -412,6 +412,28 @@ class AppPreferencesImpl(val context: Context) : AppPreferences {
             }
         }
 
+    override fun setConversationListPositionAndOffset(position: Int, offset: Int) {
+        runBlocking<Unit> {
+            async {
+                writeString(CONVERSATION_LIST_POSITION_OFFSET, "$position,$offset")
+            }
+        }
+    }
+
+    override fun getConversationListPositionAndOffset(): Pair<Int, Int> {
+        val pairString = runBlocking {
+            async { readString(CONVERSATION_LIST_POSITION_OFFSET).first() }
+        }.getCompleted()
+
+        if (pairString.isEmpty()) return Pair(0,0)
+
+        val pairArr = pairString.split(',')
+        val position = pairArr[0].toInt()
+        val offset = pairArr[1].toInt()
+
+        return Pair(position, offset)
+    }
+
     override fun setPhoneBookIntegrationLastRun(currentTimeMillis: Long) =
         runBlocking<Unit> {
             async {
@@ -626,6 +648,7 @@ class AppPreferencesImpl(val context: Context) : AppPreferences {
         const val VOICE_MESSAGE_PLAYBACK_SPEEDS = "voice_message_playback_speeds"
         const val SHOW_REGULAR_NOTIFICATION_WARNING = "show_regular_notification_warning"
         const val LAST_NOTIFICATION_WARNING = "last_notification_warning"
+        const val CONVERSATION_LIST_POSITION_OFFSET = "CONVERSATION_LIST_POSITION_OFFSET"
         private fun String.convertStringToArray(): Array<Float> {
             var varString = this
             val floatList = mutableListOf<Float>()