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Code Issues Projects Packages Wiki Activity Actions

Trigger tv guide scroll animation during key presses (#595)

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## Description
Instead of triggering the tv guide scroll animation during composition,
do it during key presses. This fixes an edge case that crashes the main
thread when returning the guide but the underlying UI data structures
haven't been updated.

### Related issues
Fixes #592
This commit is contained in:
Ray 2025-12-29 15:39:07 -05:00 • committed by GitHub
parent 243e08b635
commit e3fa45d12f
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GPG key ID: B5690EEEBB952194
1 changed files with 18 additions and 18 deletions
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36
app/src/main/java/com/github/damontecres/wholphin/ui/detail/livetv/TvGuideGrid.kt
View file

@ -19,6 +19,7 @@ import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.collectAsState
import androidx.compose.runtime.getValue
import androidx.compose.runtime.livedata.observeAsState
import androidx.compose.runtime.mutableIntStateOf
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.rememberCoroutineScope
@ -56,7 +57,6 @@ import com.github.damontecres.wholphin.ui.launchIO
import com.github.damontecres.wholphin.ui.nav.Destination
import com.github.damontecres.wholphin.ui.rememberPosition
import com.github.damontecres.wholphin.ui.tryRequestFocus
import com.github.damontecres.wholphin.util.ExceptionHandler
import com.github.damontecres.wholphin.util.LoadingState
import eu.wewox.programguide.ProgramGuide
import eu.wewox.programguide.ProgramGuideDimensions
@ -289,22 +289,8 @@ fun TvGuideGridContent(
var focusedItem by rememberPosition(RowColumn(0, 0))
val focusedChannelIndex = focusedItem.row
val focusedProgramIndex =
remember(programs.range, focusedItem) {
focusedItem.let { focus ->
(programs.range.first..<focus.row).sumOf {
val channelId = channels[it].id
channelProgramCount[channelId] ?: 0
} + focus.column
}
}
var focusedProgramIndex by remember { mutableIntStateOf(0) }
LaunchedEffect(focusedProgramIndex) {
// Timber.v("Focusing on $focusedItem, programIndex=$focusedProgramIndex")
scope.launch(ExceptionHandler()) {
state.animateToProgram(focusedProgramIndex, Alignment.Center)
}
}
var gridHasFocus by rememberSaveable { mutableStateOf(false) }
var channelColumnFocused by rememberSaveable { mutableStateOf(false) }
Box(modifier = modifier) {
@ -485,7 +471,7 @@ fun TvGuideGridContent(
if (newFocusedItem != null) {
val channel = channels[newFocusedItem.row]
val programs = programs.programsByChannel[channel.id].orEmpty()
val channelPrograms = programs.programsByChannel[channel.id].orEmpty()
// Ensure it isn't going out of range
val toFocus =
newFocusedItem
@ -494,10 +480,24 @@ fun TvGuideGridContent(
column =
newFocusedItem.column.coerceIn(
0,
(programs.size - 1).coerceAtLeast(0),
(channelPrograms.size - 1).coerceAtLeast(0),
),
)
focusedItem = toFocus
focusedProgramIndex =
toFocus.let { focus ->
(programs.range.first..<focus.row).sumOf {
val channelId = channels[it].id
channelProgramCount[channelId] ?: 0
} + focus.column
}
scope.launch {
try {
state.animateToProgram(focusedProgramIndex, Alignment.Center)
} catch (ex: Exception) {
Timber.e(ex, "Couldn't scroll to $focusedProgramIndex")
}
}
onFocus(toFocus)
return@onPreviewKeyEvent true
}