evgeny
5 days ago
3 changed files with 166 additions and 48 deletions
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package com.utun.chat.ui.screens |
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import android.app.Activity |
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import android.content.ContextWrapper |
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import android.content.pm.ActivityInfo |
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import android.graphics.SurfaceTexture |
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import android.view.Surface |
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import android.view.TextureView |
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import androidx.compose.foundation.background |
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import androidx.compose.foundation.gestures.detectTapGestures |
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import androidx.compose.foundation.layout.* |
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import androidx.compose.material.icons.Icons |
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import androidx.compose.material.icons.filled.Close |
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import androidx.compose.material3.Icon |
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import androidx.compose.material3.IconButton |
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import androidx.compose.material3.MaterialTheme |
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import androidx.compose.material3.Text |
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import androidx.compose.runtime.* |
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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.graphics.Color |
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import androidx.compose.ui.input.pointer.pointerInput |
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import androidx.compose.ui.platform.LocalContext |
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import androidx.compose.ui.platform.LocalLifecycleOwner |
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import androidx.compose.ui.res.stringResource |
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import androidx.compose.ui.text.style.TextOverflow |
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import androidx.compose.ui.unit.dp |
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import androidx.compose.ui.viewinterop.AndroidView |
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import androidx.core.view.ViewCompat |
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import androidx.core.view.WindowCompat |
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import androidx.core.view.WindowInsetsCompat |
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import androidx.core.view.WindowInsetsControllerCompat |
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import androidx.lifecycle.Lifecycle |
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import androidx.lifecycle.LifecycleEventObserver |
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import com.utun.chat.R |
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import com.utun.chat.data.LogManager |
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import com.utun.chat.data.StreamPlayerEngine |
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import kotlinx.coroutines.delay |
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/** Полноэкранный viewer: геометрия видео не зависит от видимости управления. */ |
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@Composable |
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internal fun StreamViewerScreen(group: Long, source: Long, epoch: Long, title: String, name: String, onClose: () -> Unit) { |
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val context = LocalContext.current |
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val activity = remember(context) { |
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generateSequence(context) { (it as? ContextWrapper)?.baseContext }.filterIsInstance<Activity>().firstOrNull() |
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} |
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val previousOrientation = remember(activity) { activity?.requestedOrientation } |
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val owner = LocalLifecycleOwner.current |
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var visible by remember(owner) { mutableStateOf(owner.lifecycle.currentState.isAtLeast(Lifecycle.State.STARTED)) } |
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var aspect by remember { mutableStateOf(0f) } |
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var status by remember { mutableStateOf(R.string.stream_connecting) } |
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var controls by remember { mutableStateOf(true) } |
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DisposableEffect(owner) { |
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val observer = LifecycleEventObserver { _, event -> |
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if (event == Lifecycle.Event.ON_START) { visible = true; controls = true } |
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if (event == Lifecycle.Event.ON_STOP) visible = false |
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} |
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owner.lifecycle.addObserver(observer) |
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onDispose { owner.lifecycle.removeObserver(observer) } |
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} |
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DisposableEffect(activity) { |
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val window = activity?.window |
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val controller = window?.let { WindowCompat.getInsetsController(it, it.decorView) } |
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val insets = window?.let { ViewCompat.getRootWindowInsets(it.decorView) } |
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val statusVisible = insets?.isVisible(WindowInsetsCompat.Type.statusBars()) ?: true |
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val navigationVisible = insets?.isVisible(WindowInsetsCompat.Type.navigationBars()) ?: true |
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val behavior = controller?.systemBarsBehavior |
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controller?.systemBarsBehavior = WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE |
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controller?.hide(WindowInsetsCompat.Type.systemBars()) |
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LogManager.addLog("INFO", "stream", "viewer fullscreen source=$source epoch=$epoch orientation=$previousOrientation") |
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onDispose { |
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if (previousOrientation != null) activity?.requestedOrientation = previousOrientation |
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if (behavior != null) controller?.systemBarsBehavior = behavior |
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if (statusVisible) controller?.show(WindowInsetsCompat.Type.statusBars()) else controller?.hide(WindowInsetsCompat.Type.statusBars()) |
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if (navigationVisible) controller?.show(WindowInsetsCompat.Type.navigationBars()) else controller?.hide(WindowInsetsCompat.Type.navigationBars()) |
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LogManager.addLog("INFO", "stream", "viewer window restored source=$source orientation=$previousOrientation") |
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} |
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} |
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LaunchedEffect(activity, aspect) { |
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// Формат уже учитывает rotation источника. До первого KEY ориентацию не угадываем. |
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val orientation = when { |
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aspect > 1f -> ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE |
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aspect > 0f && aspect < 1f -> ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT |
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else -> null |
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} |
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if (activity != null && orientation != null && activity.requestedOrientation != orientation) { |
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activity.requestedOrientation = orientation |
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LogManager.addLog("INFO", "stream", "viewer orientation source=$source aspect=$aspect requested=$orientation") |
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} |
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} |
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LaunchedEffect(status) { controls = true } |
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LaunchedEffect(controls, status, visible) { |
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if (controls && status == R.string.stream_live && visible) { delay(3000); controls = false } |
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} |
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LaunchedEffect(controls) { LogManager.addLog("DEBUG", "stream", "viewer controls source=$source visible=$controls") } |
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Box(Modifier.fillMaxSize().background(Color.Black)) { |
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if (visible) StreamViewerPlayback(group, source, epoch, { aspect = it }, { status = it }) |
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Box(Modifier.matchParentSize().pointerInput(status) { |
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detectTapGestures { if (status == R.string.stream_live) controls = !controls else controls = true } |
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}) |
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if (controls) { |
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Row(Modifier.fillMaxWidth().align(Alignment.TopCenter).background(Color.Black.copy(alpha = 0.65f)) |
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.windowInsetsPadding(WindowInsets.safeDrawing).padding(start = 16.dp, end = 4.dp, top = 4.dp, bottom = 4.dp), |
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verticalAlignment = Alignment.CenterVertically) { |
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Column(Modifier.weight(1f)) { |
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Text(title, color = Color.White, style = MaterialTheme.typography.titleMedium, maxLines = 1, overflow = TextOverflow.Ellipsis) |
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Text(name, color = Color.White, style = MaterialTheme.typography.bodyMedium, maxLines = 1, overflow = TextOverflow.Ellipsis) |
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Text(stringResource(status), color = Color.White, style = MaterialTheme.typography.bodySmall) |
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} |
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IconButton(onClick = onClose) { Icon(Icons.Filled.Close, stringResource(R.string.stream_close_view), tint = Color.White) } |
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} |
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} |
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} |
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} |
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/** Смена размеров окна и скрытие controls сохраняют TextureView, decoder и сетевой reader. */ |
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@Composable |
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private fun StreamViewerPlayback(group: Long, source: Long, epoch: Long, onAspect: (Float) -> Unit, onStatus: (Int) -> Unit) { |
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val engine = remember(group, source, epoch) { StreamPlayerEngine(group, source, epoch) } |
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val aspect by engine.aspect.collectAsState() |
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val status by engine.status.collectAsState() |
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var surface by remember { mutableStateOf<Surface?>(null) } |
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LaunchedEffect(aspect, status) { onAspect(aspect); onStatus(status) } |
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DisposableEffect(engine) { onDispose { engine.stop() } } |
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BoxWithConstraints(Modifier.fillMaxSize(), contentAlignment = Alignment.Center) { |
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val ratio = aspect.takeIf { it > 0f } ?: 16f / 9f |
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val width = minOf(maxWidth, maxHeight * ratio) |
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val height = width / ratio |
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AndroidView(factory = { context -> |
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TextureView(context).apply { |
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keepScreenOn = true |
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surfaceTextureListener = object : TextureView.SurfaceTextureListener { |
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override fun onSurfaceTextureAvailable(texture: SurfaceTexture, width: Int, height: Int) { |
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surface = Surface(texture); engine.start(surface!!) |
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} |
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override fun onSurfaceTextureSizeChanged(texture: SurfaceTexture, width: Int, height: Int) {} |
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override fun onSurfaceTextureDestroyed(texture: SurfaceTexture): Boolean { |
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engine.stop(); surface?.release(); surface = null; return true |
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} |
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override fun onSurfaceTextureUpdated(texture: SurfaceTexture) {} |
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} |
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} |
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}, modifier = Modifier.size(width, height), onRelease = { view -> |
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engine.stop(); view.surfaceTextureListener = null; surface?.release(); surface = null |
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}) |
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} |
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} |
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