47 lines
1.2 KiB
Kotlin
47 lines
1.2 KiB
Kotlin
package eu.kanade.presentation.reader
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import androidx.compose.foundation.Canvas
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import androidx.compose.foundation.layout.fillMaxSize
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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.Stable
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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.setValue
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.graphics.Color
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import kotlinx.coroutines.delay
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import kotlin.time.Duration.Companion.seconds
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@Stable
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class DisplayRefreshHost {
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internal var currentDisplayRefresh by mutableStateOf(false)
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fun flash() {
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currentDisplayRefresh = true
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}
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}
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@Composable
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fun DisplayRefreshHost(
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hostState: DisplayRefreshHost,
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modifier: Modifier = Modifier,
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) {
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val currentDisplayRefresh = hostState.currentDisplayRefresh
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LaunchedEffect(currentDisplayRefresh) {
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if (currentDisplayRefresh) {
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delay(1.5.seconds)
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hostState.currentDisplayRefresh = false
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}
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}
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Canvas(
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modifier = modifier.fillMaxSize(),
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) {
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if (currentDisplayRefresh) {
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drawRect(Color.Black)
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}
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}
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}
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