android, desktop: open chat on first unread, "scroll" to quoted items that were not loaded (#5140)

* android, desktop: infinity scroll rework

* group corrections

* scroll to quote/unread/top/bottom

* changes

* changes

* changes

* changes

* better

* changes

* fix chat closing on desktop

* fix reading items counter, scrolling to newly appeared message, removed unneeded items loading, only partially visible items marked read

* workaround of showing buttom with arrow down on new messages receiving

* rename param

* fix tests

* comments and removed unused code

* performance optimization

* optimization for loading more items in small chat

* fix loading prev items in loop

* workaround to blinking button with counter

* terminal scroll fix

* different click events for floating buttons

* refactor

* change

* WIP

* refactor

* refactor

* renames

* refactor

* refactor

* change

* mark read problem fix

* fix tests

* fix auto scroll in some situations

* fix scroll to quote when it's near the top loaded area

* refactor

* refactor

* rename

* rename

* fix

* alert when quoted message doesn't exist

* refactor

---------

Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>

apps/multiplatform/common/src/desktopMain/kotlin/chat/simplex/common/DesktopApp.kt

@@ -56,7 +56,7 @@ fun showApp() {
             } else {
               // The last possible cause that can be closed
               chatModel.chatId.value = null
-              chatModel.chatItems.clear()
+              chatModel.chatItems.clearAndNotify()
             }
             chatModel.activeCall.value?.let {
               withBGApi {

apps/multiplatform/common/src/desktopMain/kotlin/chat/simplex/common/views/chat/item/CIVideoView.desktop.kt

@@ -5,6 +5,7 @@ import androidx.compose.foundation.layout.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.platform.LocalWindowInfo
 import androidx.compose.ui.unit.Dp
 import chat.simplex.common.platform.*
 import chat.simplex.common.simplexWindowState
@@ -37,3 +38,6 @@ actual fun LocalWindowWidth(): Dp = with(LocalDensity.current) {
     simplexWindowState.windowState.size.width
   }
 }
+
+@Composable
+actual fun LocalWindowHeight(): Dp = with(LocalDensity.current) { LocalWindowInfo.current.containerSize.height.toDp() }

apps/multiplatform/common/src/desktopMain/kotlin/chat/simplex/common/views/chatlist/ChatListView.desktop.kt

@@ -45,7 +45,7 @@ private fun ActiveCallInteractiveAreaOneHand(call: Call, showMenu: MutableState<
         val chat = chatModel.getChat(call.contact.id)
         if (chat != null) {
           withBGApi {
-            openChat(chat.remoteHostId, chat.chatInfo, chatModel)
+            openChat(chat.remoteHostId, chat.chatInfo)
           }
         }
       },
@@ -110,7 +110,7 @@ private fun ActiveCallInteractiveAreaNonOneHand(call: Call, showMenu: MutableSta
           val chat = chatModel.getChat(call.contact.id)
           if (chat != null) {
             withBGApi {
-              openChat(chat.remoteHostId, chat.chatInfo, chatModel)
+              openChat(chat.remoteHostId, chat.chatInfo)
             }
           }
         },