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trim section on jump to bottom

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Diogo
2024-10-29 21:56:43 +00:00
parent 649561fbc9
commit 39e3a8cb70
1 changed files with 12 additions and 4 deletions
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apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ChatSections.kt
+12 -4
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@@ -4,6 +4,9 @@ import chat.simplex.common.model.*
import chat.simplex.common.platform.chatModel
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import kotlin.math.max
const val MAX_SECTION_SIZE = 500
enum class ChatSectionArea {
Bottom,
@@ -177,13 +180,18 @@ fun List<ChatItem>.putIntoSections(revealedItems: Set<Long>): List<ChatSection>
fun List<ChatSection>.dropTemporarySections() {
val bottomSection = this.find { it.area == ChatSectionArea.Bottom }
if (bottomSection != null && this.size > 1) {
val removeTo = chatModel.chatItems.value.size - 1 - bottomSection.boundary.maxIndex
chatModel.chatItems.value.removeRange(fromIndex = 0, toIndex = removeTo)
chatModel.chatItemsSectionArea = mutableMapOf<Long, ChatSectionArea>().also { it.putAll(chatModel.chatItems.value.associate { it.id to ChatSectionArea.Bottom }) }
if (bottomSection != null) {
val items = chatModel.chatItems.value
val itemsOutsideOfSection = items.size - 1 - bottomSection.boundary.maxIndex
chatModel.chatItems.value.removeRange(fromIndex = 0, toIndex = itemsOutsideOfSection + bottomSection.excessItemCount())
chatModel.chatItemsSectionArea = mutableMapOf<Long, ChatSectionArea>().also { it.putAll(items.associate { it.id to ChatSectionArea.Bottom }) }
}
}
fun ChatSection.excessItemCount(): Int {
return max(boundary.maxIndex.minus(boundary.minIndex) + 1 - MAX_SECTION_SIZE, 0)
}
suspend fun apiLoadMessagesAroundItem(chatInfo: ChatInfo, chatModel: ChatModel, aroundItemId: Long, rhId: Long?, chatSectionLoad: ChatSectionLoad) {
val pagination = ChatPagination.Around(aroundItemId, ChatPagination.PRELOAD_COUNT * 2)
val chat = chatModel.controller.apiGetChat(rhId, chatInfo.chatType, chatInfo.apiId, pagination) ?: return