mirror of
https://github.com/mihonapp/mihon.git
synced 2025-10-31 14:27:57 +01:00
ChapterDownloadIndicator: Optimize further and reimplement error state (#7599)
In the context of a weaker device--remembering objects inside a list item is expensive. So only do it when we really need to. This also flattens the download button by drawing a single icon instead of using separate icon and progress indicator.
This commit is contained in:
Ivan Iskandar
GitHub
@@ -9,6 +9,7 @@ import androidx.compose.foundation.layout.size
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import androidx.compose.material.icons.Icons
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import androidx.compose.material.icons.filled.ArrowDownward
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import androidx.compose.material.icons.filled.CheckCircle
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import androidx.compose.material.icons.filled.ErrorOutline
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import androidx.compose.material.ripple.rememberRipple
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import androidx.compose.material3.CircularProgressIndicator
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import androidx.compose.material3.DropdownMenuItem
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@@ -23,7 +24,9 @@ import androidx.compose.runtime.remember
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import androidx.compose.runtime.setValue
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.composed
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import androidx.compose.ui.graphics.Color
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import androidx.compose.ui.res.painterResource
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import androidx.compose.ui.res.stringResource
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import androidx.compose.ui.semantics.Role
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import androidx.compose.ui.unit.dp
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@@ -45,121 +48,186 @@ fun ChapterDownloadIndicator(
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downloadProgressProvider: () -> Int,
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onClick: (ChapterDownloadAction) -> Unit,
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) {
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val downloadState = downloadStateProvider()
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val isDownloaded = downloadState == Download.State.DOWNLOADED
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val isDownloading = downloadState != Download.State.NOT_DOWNLOADED
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var isMenuExpanded by remember(downloadState) { mutableStateOf(false) }
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when (val downloadState = downloadStateProvider()) {
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Download.State.NOT_DOWNLOADED -> NotDownloadedIndicator(modifier = modifier, onClick = onClick)
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Download.State.QUEUE, Download.State.DOWNLOADING -> DownloadingIndicator(
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modifier = modifier,
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downloadState = downloadState,
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downloadProgressProvider = downloadProgressProvider,
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onClick = onClick,
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)
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Download.State.DOWNLOADED -> DownloadedIndicator(modifier = modifier, onClick = onClick)
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Download.State.ERROR -> ErrorIndicator(modifier = modifier, onClick = onClick)
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}
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}
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@Composable
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private fun NotDownloadedIndicator(
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modifier: Modifier = Modifier,
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onClick: (ChapterDownloadAction) -> Unit,
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) {
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Box(
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modifier = modifier
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.size(IconButtonTokens.StateLayerSize)
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.combinedClickable(
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onLongClick = {
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val chapterDownloadAction = when {
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isDownloaded -> ChapterDownloadAction.DELETE
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isDownloading -> ChapterDownloadAction.CANCEL
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else -> ChapterDownloadAction.START_NOW
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}
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onClick(chapterDownloadAction)
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},
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onClick = {
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if (isDownloaded || isDownloading) {
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isMenuExpanded = true
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} else {
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onClick(ChapterDownloadAction.START)
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}
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},
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role = Role.Button,
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interactionSource = remember { MutableInteractionSource() },
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indication = rememberRipple(
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bounded = false,
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radius = IconButtonTokens.StateLayerSize / 2,
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),
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.commonClickable(
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onLongClick = { onClick(ChapterDownloadAction.START_NOW) },
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onClick = { onClick(ChapterDownloadAction.START) },
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)
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.secondaryItemAlpha(),
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contentAlignment = Alignment.Center,
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) {
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Icon(
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painter = painterResource(id = R.drawable.ic_download_chapter_24dp),
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contentDescription = null,
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modifier = Modifier.size(IndicatorSize),
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tint = MaterialTheme.colorScheme.onSurfaceVariant,
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)
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}
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}
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@Composable
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private fun DownloadingIndicator(
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modifier: Modifier = Modifier,
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downloadState: Download.State,
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downloadProgressProvider: () -> Int,
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onClick: (ChapterDownloadAction) -> Unit,
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) {
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var isMenuExpanded by remember { mutableStateOf(false) }
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Box(
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modifier = modifier
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.size(IconButtonTokens.StateLayerSize)
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.commonClickable(
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onLongClick = { onClick(ChapterDownloadAction.CANCEL) },
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onClick = { isMenuExpanded = true },
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),
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contentAlignment = Alignment.Center,
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) {
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if (isDownloaded) {
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Icon(
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imageVector = Icons.Default.CheckCircle,
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contentDescription = null,
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modifier = Modifier.size(IndicatorSize),
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tint = MaterialTheme.colorScheme.onSurfaceVariant,
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val arrowColor: Color
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val strokeColor = MaterialTheme.colorScheme.onSurfaceVariant
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val downloadProgress = downloadProgressProvider()
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val indeterminate = downloadState == Download.State.QUEUE ||
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(downloadState == Download.State.DOWNLOADING && downloadProgress == 0)
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if (indeterminate) {
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arrowColor = strokeColor
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CircularProgressIndicator(
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modifier = IndicatorModifier,
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color = strokeColor,
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strokeWidth = IndicatorStrokeWidth,
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)
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DropdownMenu(expanded = isMenuExpanded, onDismissRequest = { isMenuExpanded = false }) {
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DropdownMenuItem(
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text = { Text(text = stringResource(R.string.action_delete)) },
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onClick = {
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onClick(ChapterDownloadAction.DELETE)
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isMenuExpanded = false
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},
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)
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}
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} else {
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val inactiveAlphaModifier = if (!isDownloading) Modifier.secondaryItemAlpha() else Modifier
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val arrowColor: Color
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val strokeColor = MaterialTheme.colorScheme.onSurfaceVariant
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if (isDownloading) {
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val downloadProgress = downloadProgressProvider()
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val indeterminate = downloadState == Download.State.QUEUE ||
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(downloadState == Download.State.DOWNLOADING && downloadProgress == 0)
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if (indeterminate) {
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arrowColor = strokeColor
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CircularProgressIndicator(
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modifier = IndicatorModifier,
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color = strokeColor,
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strokeWidth = IndicatorStrokeWidth,
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)
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} else {
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val animatedProgress by animateFloatAsState(
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targetValue = downloadProgress / 100f,
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animationSpec = ProgressIndicatorDefaults.ProgressAnimationSpec,
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)
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arrowColor = if (animatedProgress < 0.5f) {
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strokeColor
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} else {
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MaterialTheme.colorScheme.background
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}
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CircularProgressIndicator(
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progress = animatedProgress,
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modifier = IndicatorModifier,
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color = strokeColor,
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strokeWidth = IndicatorSize / 2,
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)
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}
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DropdownMenu(expanded = isMenuExpanded, onDismissRequest = { isMenuExpanded = false }) {
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DropdownMenuItem(
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text = { Text(text = stringResource(R.string.action_start_downloading_now)) },
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onClick = {
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onClick(ChapterDownloadAction.START_NOW)
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isMenuExpanded = false
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},
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)
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DropdownMenuItem(
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text = { Text(text = stringResource(R.string.action_cancel)) },
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onClick = {
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onClick(ChapterDownloadAction.CANCEL)
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isMenuExpanded = false
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},
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)
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}
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val animatedProgress by animateFloatAsState(
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targetValue = downloadProgress / 100f,
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animationSpec = ProgressIndicatorDefaults.ProgressAnimationSpec,
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)
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arrowColor = if (animatedProgress < 0.5f) {
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strokeColor
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} else {
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arrowColor = strokeColor
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CircularProgressIndicator(
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progress = 1f,
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modifier = IndicatorModifier.then(inactiveAlphaModifier),
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color = strokeColor,
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strokeWidth = IndicatorStrokeWidth,
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)
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MaterialTheme.colorScheme.background
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}
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Icon(
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imageVector = Icons.Default.ArrowDownward,
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contentDescription = null,
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modifier = ArrowModifier.then(inactiveAlphaModifier),
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tint = arrowColor,
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CircularProgressIndicator(
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progress = animatedProgress,
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modifier = IndicatorModifier,
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color = strokeColor,
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strokeWidth = IndicatorSize / 2,
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)
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}
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DropdownMenu(expanded = isMenuExpanded, onDismissRequest = { isMenuExpanded = false }) {
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DropdownMenuItem(
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text = { Text(text = stringResource(R.string.action_start_downloading_now)) },
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onClick = {
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onClick(ChapterDownloadAction.START_NOW)
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isMenuExpanded = false
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},
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)
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DropdownMenuItem(
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text = { Text(text = stringResource(R.string.action_cancel)) },
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onClick = {
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onClick(ChapterDownloadAction.CANCEL)
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isMenuExpanded = false
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},
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)
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}
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Icon(
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imageVector = Icons.Default.ArrowDownward,
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contentDescription = null,
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modifier = ArrowModifier,
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tint = arrowColor,
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)
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}
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}
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@Composable
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private fun DownloadedIndicator(
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modifier: Modifier = Modifier,
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onClick: (ChapterDownloadAction) -> Unit,
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) {
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var isMenuExpanded by remember { mutableStateOf(false) }
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Box(
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modifier = modifier
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.size(IconButtonTokens.StateLayerSize)
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.commonClickable(
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onLongClick = { onClick(ChapterDownloadAction.DELETE) },
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onClick = { isMenuExpanded = true },
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),
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contentAlignment = Alignment.Center,
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) {
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Icon(
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imageVector = Icons.Default.CheckCircle,
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contentDescription = null,
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modifier = Modifier.size(IndicatorSize),
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tint = MaterialTheme.colorScheme.onSurfaceVariant,
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)
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DropdownMenu(expanded = isMenuExpanded, onDismissRequest = { isMenuExpanded = false }) {
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DropdownMenuItem(
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text = { Text(text = stringResource(R.string.action_delete)) },
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onClick = {
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onClick(ChapterDownloadAction.DELETE)
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isMenuExpanded = false
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},
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)
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}
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}
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}
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@Composable
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private fun ErrorIndicator(
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modifier: Modifier = Modifier,
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onClick: (ChapterDownloadAction) -> Unit,
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) {
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Box(
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modifier = modifier
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.size(IconButtonTokens.StateLayerSize)
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.commonClickable(
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onLongClick = { onClick(ChapterDownloadAction.START) },
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onClick = { onClick(ChapterDownloadAction.START) },
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),
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contentAlignment = Alignment.Center,
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) {
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Icon(
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imageVector = Icons.Default.ErrorOutline,
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contentDescription = null,
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modifier = Modifier.size(IndicatorSize),
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tint = MaterialTheme.colorScheme.error,
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)
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}
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}
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private fun Modifier.commonClickable(
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onLongClick: () -> Unit,
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onClick: () -> Unit,
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) = composed {
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this.combinedClickable(
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onLongClick = onLongClick,
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onClick = onClick,
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role = Role.Button,
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interactionSource = remember { MutableInteractionSource() },
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indication = rememberRipple(
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bounded = false,
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radius = IconButtonTokens.StateLayerSize / 2,
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),
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)
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}
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private val IndicatorSize = 26.dp
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private val IndicatorPadding = 2.dp
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Reference in New Issue
Block a user