new chat screen

This commit is contained in:
2026-05-15 17:09:59 +07:00
parent d56847f5d4
commit 6b448a56f8
11 changed files with 571 additions and 31 deletions
@@ -0,0 +1,300 @@
package su.reya.coop.screens
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.FlowRow
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.size
import androidx.compose.foundation.layout.widthIn
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.foundation.text.BasicTextField
import androidx.compose.material3.ExperimentalMaterial3ExpressiveApi
import androidx.compose.material3.Icon
import androidx.compose.material3.IconButton
import androidx.compose.material3.InputChip
import androidx.compose.material3.ListItemDefaults
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Scaffold
import androidx.compose.material3.SegmentedListItem
import androidx.compose.material3.SnackbarHost
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.material3.TopAppBar
import androidx.compose.material3.TopAppBarDefaults
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.collectAsState
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateListOf
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.runtime.snapshots.SnapshotStateList
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.SolidColor
import androidx.compose.ui.unit.dp
import coop.composeapp.generated.resources.Res
import coop.composeapp.generated.resources.ic_arrow_back
import coop.composeapp.generated.resources.ic_close_small
import coop.composeapp.generated.resources.ic_scanner
import kotlinx.coroutines.delay
import org.jetbrains.compose.resources.painterResource
import rust.nostr.sdk.PublicKey
import su.reya.coop.LocalNavController
import su.reya.coop.LocalNostrViewModel
import su.reya.coop.LocalSnackbarHostState
import su.reya.coop.Screen
import su.reya.coop.shared.Avatar
import su.reya.coop.short
@OptIn(ExperimentalMaterial3ExpressiveApi::class)
@Composable
fun NewChatScreen(
onBack: () -> Unit,
) {
val snackbarHostState = LocalSnackbarHostState.current
val navController = LocalNavController.current
val viewModel = LocalNostrViewModel.current
val selectedReceivers = remember { mutableStateListOf<PublicKey>() }
var query by remember { mutableStateOf("") }
val savedStateHandle = navController.currentBackStackEntry?.savedStateHandle
val qrResult by savedStateHandle?.getStateFlow<String?>("qr_result", null)?.collectAsState()
?: remember { mutableStateOf(null) }
LaunchedEffect(query) {
if (query.length >= 3) {
delay(500) // 500ms debounce
// TODO: Implement search
}
}
LaunchedEffect(qrResult) {
qrResult?.let {
println("QR result: $it")
navController.currentBackStackEntry?.savedStateHandle?.remove<String>("qr_result")
}
}
Scaffold(
containerColor = MaterialTheme.colorScheme.surfaceContainer,
snackbarHost = { SnackbarHost(snackbarHostState) },
topBar = {
TopAppBar(
title = { Text("New Chat") },
colors = TopAppBarDefaults.topAppBarColors(
containerColor = MaterialTheme.colorScheme.surfaceContainer,
),
navigationIcon = {
IconButton(onClick = onBack) {
Icon(
painter = painterResource(Res.drawable.ic_arrow_back),
contentDescription = "Back"
)
}
},
actions = {
IconButton(onClick = { navController.navigate(Screen.Scan) }) {
Icon(
painter = painterResource(Res.drawable.ic_scanner),
contentDescription = "Scanner"
)
}
}
)
},
content = { innerPadding ->
Column(
modifier = Modifier
.fillMaxSize()
.padding(innerPadding)
) {
Surface(
modifier = Modifier
.fillMaxWidth()
.padding(16.dp),
shape = RoundedCornerShape(28.dp),
color = MaterialTheme.colorScheme.surface,
) {
FlowRow(
modifier = Modifier
.padding(horizontal = 16.dp, vertical = 8.dp),
horizontalArrangement = Arrangement.spacedBy(8.dp),
verticalArrangement = Arrangement.spacedBy(8.dp),
) {
Text(
text = "To:",
modifier = Modifier.align(Alignment.Top),
style = MaterialTheme.typography.labelMediumEmphasized,
color = MaterialTheme.colorScheme.onSurfaceVariant
)
selectedReceivers.forEach { receiver ->
ReceiverChip(
pubkey = receiver,
onRemove = { selectedReceivers.remove(receiver) }
)
}
BasicTextField(
value = query,
onValueChange = { query = it },
modifier = Modifier
.widthIn(min = 50.dp)
.align(Alignment.CenterVertically),
textStyle = MaterialTheme.typography.bodyMedium.copy(
color = MaterialTheme.colorScheme.onSurface
),
cursorBrush = SolidColor(MaterialTheme.colorScheme.primary),
decorationBox = { innerTextField ->
Box(contentAlignment = Alignment.CenterStart) {
if (query.isEmpty() && selectedReceivers.isEmpty()) {
Text(
"Type a npub or address",
style = MaterialTheme.typography.bodyMedium,
color = MaterialTheme.colorScheme.onSurfaceVariant.copy(
alpha = 0.5f
)
)
}
innerTextField()
}
}
)
}
}
Spacer(modifier = Modifier.size(16.dp))
Column(
modifier = Modifier
.fillMaxWidth()
.padding(horizontal = 16.dp),
) {
// TODO: add result list
ContactList(
selectedReceivers = selectedReceivers,
onContactClick = { pubkey ->
val roomId = viewModel.createChatRoom(listOf(pubkey))
navController.navigate(Screen.Chat(roomId))
}
)
Spacer(modifier = Modifier.size(16.dp))
}
}
}
)
}
@Composable
fun ReceiverChip(
pubkey: PublicKey,
onRemove: () -> Unit
) {
val viewModel = LocalNostrViewModel.current
val metadataFlow = remember(pubkey) { viewModel.getMetadata(pubkey) }
val metadata by metadataFlow.collectAsState(initial = null)
val profile = metadata?.asRecord()
val displayName = profile?.name ?: profile?.displayName ?: pubkey.short()
val picture = profile?.picture
InputChip(
selected = true,
onClick = onRemove,
label = { Text(displayName) },
avatar = {
Avatar(
picture = picture,
description = displayName,
size = 24.dp
)
},
trailingIcon = {
Icon(
painter = painterResource(Res.drawable.ic_close_small),
contentDescription = "Close"
)
}
)
}
@OptIn(ExperimentalMaterial3ExpressiveApi::class)
@Composable
fun ContactList(
selectedReceivers: SnapshotStateList<PublicKey>,
onContactClick: (PublicKey) -> Unit
) {
val viewModel = LocalNostrViewModel.current
val contactList by viewModel.contactList.collectAsState(initial = emptySet())
Column(
modifier = Modifier.fillMaxWidth(),
verticalArrangement = Arrangement.spacedBy(ListItemDefaults.SegmentedGap),
) {
Text(
text = "Contacts",
style = MaterialTheme.typography.titleLargeEmphasized,
)
Spacer(modifier = Modifier.size(8.dp))
contactList.forEachIndexed { index, item ->
ContactListItem(
pubkey = item,
index = index,
total = contactList.size,
isSelected = selectedReceivers.contains(item),
onClick = { onContactClick(item) },
onLongClick = {
if (!selectedReceivers.contains(item)) {
selectedReceivers.add(item)
}
}
)
}
}
}
@OptIn(ExperimentalMaterial3ExpressiveApi::class)
@Composable
fun ContactListItem(
pubkey: PublicKey,
index: Int,
total: Int = 0,
isSelected: Boolean,
onClick: () -> Unit,
onLongClick: () -> Unit
) {
val viewModel = LocalNostrViewModel.current
val metadataFlow = remember(pubkey) { viewModel.getMetadata(pubkey) }
val metadata by metadataFlow.collectAsState(initial = null)
val profile = metadata?.asRecord()
val displayName = profile?.name ?: profile?.displayName ?: pubkey.short()
val picture = profile?.picture
SegmentedListItem(
selected = isSelected,
onClick = onClick,
onLongClick = onLongClick,
shapes = ListItemDefaults.segmentedShapes(
index = index,
count = total
),
leadingContent = {
Avatar(
picture = picture,
description = displayName,
size = 36.dp
)
},
supportingContent = { Text(text = pubkey.short()) },
content = {
Text(
text = displayName,
style = MaterialTheme.typography.titleMediumEmphasized,
)
}
)
}