kopia lustrzana https://github.com/vitorpamplona/amethyst
80 wiersze
3.0 KiB
Kotlin
80 wiersze
3.0 KiB
Kotlin
package com.vitorpamplona.amethyst.ui.screen
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import androidx.compose.animation.Crossfade
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.PaddingValues
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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.runtime.Composable
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import androidx.compose.runtime.LaunchedEffect
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import androidx.compose.runtime.getValue
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import androidx.compose.runtime.mutableStateOf
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import androidx.compose.runtime.remember
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import androidx.compose.runtime.setValue
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import androidx.compose.ui.unit.dp
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import androidx.compose.runtime.collectAsState
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import androidx.navigation.NavController
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import com.google.accompanist.swiperefresh.SwipeRefresh
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import com.google.accompanist.swiperefresh.rememberSwipeRefreshState
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import com.vitorpamplona.amethyst.ui.note.ChatroomMessageCompose
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import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
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@Composable
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fun ChatroomFeedView(viewModel: FeedViewModel, accountViewModel: AccountViewModel, navController: NavController) {
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val feedState by viewModel.feedContent.collectAsState()
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var isRefreshing by remember { mutableStateOf(false) }
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val swipeRefreshState = rememberSwipeRefreshState(isRefreshing)
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val listState = rememberLazyListState()
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LaunchedEffect(isRefreshing) {
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if (isRefreshing) {
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viewModel.refresh()
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isRefreshing = false
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}
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}
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SwipeRefresh(
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state = swipeRefreshState,
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onRefresh = {
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isRefreshing = true
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},
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) {
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Column() {
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Crossfade(targetState = feedState) { state ->
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when (state) {
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is FeedState.Empty -> {
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FeedEmpty {
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isRefreshing = true
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}
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}
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is FeedState.FeedError -> {
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FeedError(state.errorMessage) {
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isRefreshing = true
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}
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}
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is FeedState.Loaded -> {
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LazyColumn(
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contentPadding = PaddingValues(
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top = 10.dp,
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bottom = 10.dp
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),
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reverseLayout = true,
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state = listState
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) {
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var previousDate: String = ""
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itemsIndexed(state.feed, key = { index, item -> if (index == 0) index else item.idHex }) { index, item ->
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ChatroomMessageCompose(item, accountViewModel = accountViewModel, navController = navController)
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}
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}
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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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}
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} |