Switch to M3E ExtendedFloatingActionButton

(cherry picked from commit a39b5a56e853a9c11c0984b0385a2e60b0addc3a)
This commit is contained in:
AntsyLich
2025-12-27 01:03:46 +06:00
committed by Jobobby04
parent 5d1dbcb390
commit a9fe971337
9 changed files with 110 additions and 256 deletions
@@ -1,131 +0,0 @@
package tachiyomi.presentation.core.components.material
import androidx.compose.animation.AnimatedVisibility
import androidx.compose.animation.core.CubicBezierEasing
import androidx.compose.animation.core.animateDpAsState
import androidx.compose.animation.core.tween
import androidx.compose.animation.expandHorizontally
import androidx.compose.animation.fadeIn
import androidx.compose.animation.fadeOut
import androidx.compose.animation.shrinkHorizontally
import androidx.compose.foundation.interaction.MutableInteractionSource
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.sizeIn
import androidx.compose.material3.FloatingActionButton
import androidx.compose.material3.FloatingActionButtonDefaults
import androidx.compose.material3.FloatingActionButtonElevation
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.contentColorFor
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.remember
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.Shape
import androidx.compose.ui.unit.dp
/**
* ExtendedFloatingActionButton with custom transition between collapsed/expanded state.
*
* @see androidx.compose.material3.ExtendedFloatingActionButton
*/
@Composable
fun ExtendedFloatingActionButton(
text: @Composable () -> Unit,
icon: @Composable () -> Unit,
onClick: () -> Unit,
modifier: Modifier = Modifier,
expanded: Boolean = true,
interactionSource: MutableInteractionSource = remember { MutableInteractionSource() },
shape: Shape = MaterialTheme.shapes.large,
containerColor: Color = MaterialTheme.colorScheme.primaryContainer,
contentColor: Color = contentColorFor(containerColor),
elevation: FloatingActionButtonElevation = FloatingActionButtonDefaults.elevation(),
) {
FloatingActionButton(
modifier = modifier,
onClick = onClick,
interactionSource = interactionSource,
shape = shape,
containerColor = containerColor,
contentColor = contentColor,
elevation = elevation,
) {
val minWidth by animateDpAsState(
targetValue = if (expanded) ExtendedFabMinimumWidth else FabContainerWidth,
animationSpec = tween(
durationMillis = 500,
easing = EasingEmphasizedCubicBezier,
),
label = "minWidth",
)
val startPadding by animateDpAsState(
targetValue = if (expanded) ExtendedFabIconSize / 2 else 0.dp,
animationSpec = tween(
durationMillis = if (expanded) 300 else 900,
easing = EasingEmphasizedCubicBezier,
),
label = "startPadding",
)
Row(
modifier = Modifier
.sizeIn(minWidth = minWidth)
.padding(start = startPadding),
verticalAlignment = Alignment.CenterVertically,
horizontalArrangement = Arrangement.Center,
) {
icon()
AnimatedVisibility(
visible = expanded,
enter = ExtendedFabExpandAnimation,
exit = ExtendedFabCollapseAnimation,
) {
Box(modifier = Modifier.padding(start = ExtendedFabIconPadding, end = ExtendedFabTextPadding)) {
text()
}
}
}
}
}
private val EasingLinearCubicBezier = CubicBezierEasing(0.0f, 0.0f, 1.0f, 1.0f)
private val EasingEmphasizedCubicBezier = CubicBezierEasing(0.2f, 0.0f, 0.0f, 1.0f)
private val ExtendedFabMinimumWidth = 80.dp
private val ExtendedFabIconSize = 24.0.dp
private val ExtendedFabIconPadding = 12.dp
private val ExtendedFabTextPadding = 20.dp
private val ExtendedFabCollapseAnimation = fadeOut(
animationSpec = tween(
durationMillis = 100,
easing = EasingLinearCubicBezier,
),
) + shrinkHorizontally(
animationSpec = tween(
durationMillis = 500,
easing = EasingEmphasizedCubicBezier,
),
shrinkTowards = Alignment.Start,
)
private val ExtendedFabExpandAnimation = fadeIn(
animationSpec = tween(
durationMillis = 200,
delayMillis = 100,
easing = EasingLinearCubicBezier,
),
) + expandHorizontally(
animationSpec = tween(
durationMillis = 500,
easing = EasingEmphasizedCubicBezier,
),
expandFrom = Alignment.Start,
)
private val FabContainerWidth = 56.0.dp
@@ -1,18 +1,5 @@
package tachiyomi.presentation.core.util
import androidx.compose.foundation.lazy.LazyListState
import androidx.compose.runtime.Composable
import androidx.compose.runtime.derivedStateOf
import androidx.compose.runtime.remember
@Composable
fun LazyListState.shouldExpandFAB(): Boolean {
return remember {
derivedStateOf {
(firstVisibleItemIndex == 0 && firstVisibleItemScrollOffset == 0) ||
lastScrolledBackward ||
!canScrollForward
}
}
.value
}
fun LazyListState.shouldExpandFAB(): Boolean = lastScrolledBackward || !canScrollForward || !canScrollBackward