/*
* This file is part of GNU Taler
* (C) 2022 Taler Systems S.A.
*
* GNU Taler is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 3, or (at your option) any later version.
*
* GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* GNU Taler; see the file COPYING. If not, see
*/
package net.taler.wallet.compose
import androidx.compose.runtime.Composable
import androidx.compose.runtime.State
import androidx.compose.runtime.collectAsState
import androidx.compose.runtime.remember
import androidx.compose.ui.platform.LocalLifecycleOwner
import androidx.lifecycle.Lifecycle
import androidx.lifecycle.LifecycleOwner
import androidx.lifecycle.flowWithLifecycle
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.StateFlow
import kotlin.coroutines.CoroutineContext
import kotlin.coroutines.EmptyCoroutineContext
@Composable
fun rememberFlow(
flow: Flow,
lifecycleOwner: LifecycleOwner = LocalLifecycleOwner.current,
): Flow = remember(key1 = flow, key2 = lifecycleOwner) {
flow.flowWithLifecycle(lifecycleOwner.lifecycle, Lifecycle.State.STARTED)
}
@Composable
fun Flow.collectAsStateLifecycleAware(
initial: R,
context: CoroutineContext = EmptyCoroutineContext,
): State {
val lifecycleAwareFlow = rememberFlow(flow = this)
return lifecycleAwareFlow.collectAsState(initial = initial, context = context)
}
@Suppress("StateFlowValueCalledInComposition")
@Composable
fun StateFlow.collectAsStateLifecycleAware(
context: CoroutineContext = EmptyCoroutineContext,
): State = collectAsStateLifecycleAware(initial = value, context = context)