kopia lustrzana https://github.com/vitorpamplona/amethyst
121 wiersze
4.2 KiB
Kotlin
121 wiersze
4.2 KiB
Kotlin
/**
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* Copyright (c) 2024 Vitor Pamplona
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
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* Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package com.vitorpamplona.amethyst.ui.screen
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import androidx.compose.animation.Crossfade
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import androidx.compose.animation.core.tween
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import androidx.compose.foundation.layout.Row
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import androidx.compose.foundation.layout.fillMaxWidth
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import androidx.compose.foundation.lazy.LazyColumn
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import androidx.compose.foundation.lazy.itemsIndexed
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import androidx.compose.foundation.lazy.rememberLazyListState
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import androidx.compose.material3.HorizontalDivider
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.LaunchedEffect
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import androidx.compose.runtime.MutableState
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import androidx.compose.runtime.getValue
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import androidx.compose.ui.Modifier
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import androidx.lifecycle.compose.collectAsStateWithLifecycle
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import com.vitorpamplona.amethyst.ui.note.ChatroomHeaderCompose
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import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
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import com.vitorpamplona.amethyst.ui.theme.DividerThickness
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import com.vitorpamplona.amethyst.ui.theme.FeedPadding
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import com.vitorpamplona.amethyst.ui.theme.StdTopPadding
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@Composable
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fun ChatroomListFeedView(
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viewModel: FeedViewModel,
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accountViewModel: AccountViewModel,
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nav: (String) -> Unit,
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markAsRead: MutableState<Boolean>,
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) {
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RefresheableBox(viewModel, true) { CrossFadeState(viewModel, accountViewModel, nav, markAsRead) }
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}
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@Composable
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private fun CrossFadeState(
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viewModel: FeedViewModel,
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accountViewModel: AccountViewModel,
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nav: (String) -> Unit,
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markAsRead: MutableState<Boolean>,
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) {
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val feedState by viewModel.feedContent.collectAsStateWithLifecycle()
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Crossfade(
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targetState = feedState,
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animationSpec = tween(durationMillis = 100),
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) { state ->
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when (state) {
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is FeedState.Empty -> {
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FeedEmpty { viewModel.invalidateData() }
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}
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is FeedState.FeedError -> {
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FeedError(state.errorMessage) { viewModel.invalidateData() }
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}
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is FeedState.Loaded -> {
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FeedLoaded(state, accountViewModel, nav, markAsRead)
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}
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FeedState.Loading -> {
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LoadingFeed()
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}
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}
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}
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}
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@Composable
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private fun FeedLoaded(
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state: FeedState.Loaded,
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accountViewModel: AccountViewModel,
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nav: (String) -> Unit,
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markAsRead: MutableState<Boolean>,
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) {
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val listState = rememberLazyListState()
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LaunchedEffect(key1 = markAsRead.value) {
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if (markAsRead.value) {
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accountViewModel.markAllAsRead(state.feed.value) { markAsRead.value = false }
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}
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}
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LazyColumn(
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contentPadding = FeedPadding,
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state = listState,
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) {
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itemsIndexed(
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state.feed.value,
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key = { index, item -> if (index == 0) index else item.idHex },
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) { _, item ->
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Row(Modifier.fillMaxWidth()) {
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ChatroomHeaderCompose(
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item,
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accountViewModel = accountViewModel,
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nav = nav,
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)
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}
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HorizontalDivider(
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modifier = StdTopPadding,
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thickness = DividerThickness,
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)
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}
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}
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}
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