feat: support playing from links

closes #31

* make sleep timer button a toggleable (it should make it fit in more with the text button next to it)

app/src/main/java/live/mehiz/mpvkt/ui/player/PlayerViewModel.kt

@@ -79,14 +79,18 @@ class PlayerViewModel(
 
   val sheetShown = MutableStateFlow(Sheets.None)
   val panelShown = MutableStateFlow(Panels.None)
-  val gestureSeekAmount = MutableStateFlow(0)
+
+  // Pair(startingPosition, seekAmount)
+  val gestureSeekAmount = MutableStateFlow<Pair<Int, Int>?>(null)
 
   private var timerJob: Job? = null
-  private val _remainingTime = MutableStateFlow<Int?>(null)
+  private val _remainingTime = MutableStateFlow(0)
   val remainingTime = _remainingTime.asStateFlow()
 
   fun startTimer(seconds: Int) {
     timerJob?.cancel()
+    _remainingTime.value = seconds
+    if (seconds < 1) return
     timerJob = viewModelScope.launch {
       for (time in seconds downTo 0) {
         _remainingTime.value = time
@@ -210,7 +214,7 @@ class PlayerViewModel(
       chapters.add(
         Segment(
           name = title,
-          start = time.toFloat(),
+          start = time.toFloat().coerceAtLeast(0f),
         ),
       )
     }

app/src/main/java/live/mehiz/mpvkt/ui/player/controls/GestureHandler.kt

@@ -210,7 +210,7 @@ fun GestureHandler(modifier: Modifier = Modifier) {
             viewModel.pause()
           },
           onDragEnd = {
-            viewModel.gestureSeekAmount.update { 0 }
+            viewModel.gestureSeekAmount.update { null }
             viewModel.hideSeekBar()
             if (!wasPlayerAlreadyPause) viewModel.unpause()
           },
@@ -219,7 +219,9 @@ fun GestureHandler(modifier: Modifier = Modifier) {
           if (position <= 0f && dragAmount < 0) return@detectHorizontalDragGestures
           val seekBy = ((dragAmount * 150f / size.width).coerceIn(0f - position, duration - position)).toInt()
           viewModel.seekBy(seekBy)
-          viewModel.gestureSeekAmount.update { (position - startingPosition).toInt() }
+          viewModel.gestureSeekAmount.update {
+            Pair(startingPosition.toInt(), (position - startingPosition).toInt())
+          }
           if (showSeekbarWhenSeeking) viewModel.showSeekBar()
         }
       }

app/src/main/java/live/mehiz/mpvkt/ui/player/controls/PlayerControls.kt

@@ -30,6 +30,7 @@ import androidx.compose.material.ripple.rememberRipple
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.LocalContentColor
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.LaunchedEffect
@@ -43,9 +44,12 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.constraintlayout.compose.ConstraintLayout
 import androidx.constraintlayout.compose.Dimension
+import `is`.xyz.mpv.Utils
 import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.update
@@ -63,6 +67,7 @@ import live.mehiz.mpvkt.ui.player.controls.components.VolumeSlider
 import live.mehiz.mpvkt.ui.theme.PlayerRippleTheme
 import live.mehiz.mpvkt.ui.theme.spacing
 import org.koin.compose.koinInject
+import kotlin.math.abs
 
 @Suppress("CompositionLocalAllowlist")
 val LocalPlayerButtonsClickEvent = staticCompositionLocalOf { {} }
@@ -83,6 +88,7 @@ fun PlayerControls(
   val duration by viewModel.duration.collectAsState()
   val position by viewModel.pos.collectAsState()
   val paused by viewModel.paused.collectAsState()
+  val gestureSeekAmount by viewModel.gestureSeekAmount.collectAsState()
   var isSeeking by remember { mutableStateOf(false) }
   var resetControls by remember { mutableStateOf(true) }
   LaunchedEffect(
@@ -171,18 +177,32 @@ fun PlayerControls(
         viewModel.playerUpdate.update { PlayerUpdates.None }
       }
       AnimatedVisibility(
-        currentPlayerUpdate != PlayerUpdates.None,
+        gestureSeekAmount != null || currentPlayerUpdate != PlayerUpdates.None,
         enter = fadeIn(playControlsAnimationSpec()),
         exit = fadeOut(playControlsAnimationSpec()),
         modifier = Modifier.constrainAs(playerUpdates) {
           linkTo(parent.start, parent.end)
           linkTo(parent.top, parent.bottom, bias = 0.2f)
         },
       ) {
-        when (currentPlayerUpdate) {
-          PlayerUpdates.DoubleSpeed -> DoubleSpeedPlayerUpdate()
-          PlayerUpdates.AspectRatio -> TextPlayerUpdate(stringResource(aspectRatio.titleRes))
-          else -> {}
+        if (gestureSeekAmount != null) {
+          Text(
+            stringResource(
+              R.string.player_gesture_seek_indicator,
+              if (gestureSeekAmount!!.second >= 0) '+' else '-',
+              Utils.prettyTime(abs(gestureSeekAmount!!.second)),
+              Utils.prettyTime(gestureSeekAmount!!.first + gestureSeekAmount!!.second),
+            ),
+            style = MaterialTheme.typography.headlineMedium,
+            fontWeight = FontWeight.Bold,
+            textAlign = TextAlign.Center,
+          )
+        } else {
+          when (currentPlayerUpdate) {
+            PlayerUpdates.DoubleSpeed -> DoubleSpeedPlayerUpdate()
+            PlayerUpdates.AspectRatio -> TextPlayerUpdate(stringResource(aspectRatio.titleRes))
+            else -> {}
+          }
         }
       }
 
@@ -225,7 +245,7 @@ fun PlayerControls(
                 interaction,
                 rememberRipple(),
               ) { viewModel.pauseUnpause() }
-              .padding(16.dp),
+              .padding(MaterialTheme.spacing.medium),
             contentDescription = null,
           )
         }
@@ -307,5 +327,5 @@ fun PlayerControls(
 
 fun <T> playControlsAnimationSpec(): FiniteAnimationSpec<T> = tween(
   durationMillis = 200,
-  easing = LinearOutSlowInEasing
+  easing = LinearOutSlowInEasing,
 )

app/src/main/java/live/mehiz/mpvkt/ui/player/controls/components/sheets/MoreSheet.kt

@@ -23,6 +23,7 @@ import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.FilterChip
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
+import androidx.compose.material3.IconToggleButton
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
@@ -89,18 +90,18 @@ fun MoreSheet(
           horizontalArrangement = Arrangement.spacedBy(MaterialTheme.spacing.extraSmall),
         ) {
           var isSleepTimerDialogShown by remember { mutableStateOf(false) }
-          IconButton(onClick = { isSleepTimerDialogShown = true }) {
+          val remainingTime by viewModel.remainingTime.collectAsState()
+          IconToggleButton(
+            checked = remainingTime > 0,
+            onCheckedChange = { isSleepTimerDialogShown = true },
+          ) {
             Icon(imageVector = Icons.Outlined.Timer, contentDescription = null)
           }
           if (isSleepTimerDialogShown) {
-            val remainingTime by viewModel.remainingTime.collectAsState()
             TimePickerDialog(
-              remainingTime = remainingTime ?: 0,
+              remainingTime = remainingTime,
               onDismissRequest = { isSleepTimerDialogShown = false },
-              onTimeSelect = {
-                if (it < 1) return@TimePickerDialog
-                viewModel.startTimer(it)
-              }
+              onTimeSelect = viewModel::startTimer
             )
           }
           TextButton(onClick = onEnterFiltersPanel) {

app/src/main/res/values/strings.xml

@@ -161,6 +161,7 @@
     <string name="player_sheets_stats_page_chip">Page %d</string>
     <string name="player_seek_n_seconds">%d seconds</string>
     <string name="player_speed" translatable="false">x%.2f</string>
+    <string name="player_gesture_seek_indicator" translatable="false">%c%s\n[%s]</string>
 
     <string name="player_aspect_fit">Fit Screen</string>
     <string name="player_aspect_crop">Crop</string>