make brightnes change work

new-player/src/main/java/net/newpipe/newplayer/model/VideoPlayerUIState.kt

@@ -42,7 +42,7 @@ data class VideoPlayerUIState(
     val soundVolume: Float,
 
     // when null use system value
-    val brightnes: Float?
+    val brightness: Float?
 ) : Parcelable {
     companion object {
         val DEFAULT = VideoPlayerUIState(
@@ -60,7 +60,7 @@ data class VideoPlayerUIState(
             playbackPositionInMs = 0,
             fastseekSeconds = 0,
             soundVolume = 0f,
-            brightnes = null
+            brightness = null
         )
     }
 }

new-player/src/main/java/net/newpipe/newplayer/model/VideoPlayerViewModel.kt

@@ -50,7 +50,7 @@ interface VideoPlayerViewModel {
     fun embeddedDraggedDown(offset: Float)
     fun fastSeek(count: Int)
     fun finishFastSeek()
-    fun brightnesChange(changeRate: Float, currentValue: Float)
+    fun brightnessChange(changeRate: Float, systemBrightness: Float)
     fun volumeChange(changeRate: Float)
 
     interface Listener {

new-player/src/main/java/net/newpipe/newplayer/model/VideoPlayerViewModelImpl.kt

@@ -21,13 +21,11 @@
 package net.newpipe.newplayer.model
 
 import android.app.Application
-import android.content.Context.AUDIO_SERVICE
 import android.media.AudioManager
 import android.os.Build
 import android.os.Bundle
 import android.util.Log
 import androidx.annotation.RequiresApi
-import androidx.core.content.ContextCompat
 import androidx.core.content.ContextCompat.getSystemService
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.SavedStateHandle
@@ -44,7 +42,6 @@ import kotlinx.coroutines.launch
 import net.newpipe.newplayer.utils.VideoSize
 import net.newpipe.newplayer.NewPlayer
 import net.newpipe.newplayer.ui.ContentScale
-import kotlin.math.max
 
 val VIDEOPLAYER_UI_STATE = "video_player_ui_state"
 
@@ -303,8 +300,20 @@ class VideoPlayerViewModelImpl @Inject constructor(
         }
     }
 
-    override fun brightnesChange(changeRate: Float, currentValue: Float) {
+    override fun brightnessChange(changeRate: Float, systemBrightness: Float) {
-        TODO("Not yet implemented")
+        if (mutableUiState.value.fullscreen) {
+            val currentBrightness = mutableUiState.value.brightness
+                ?: if (systemBrightness < 0f) 0.5f else systemBrightness
+            Log.d(
+                TAG,
+                "currentBrightnes: $currentBrightness, sytemBrightness: $systemBrightness, changeRate: $changeRate"
+            )
+
+            val newBrightness = (currentBrightness + changeRate).coerceIn(0f, 1f)
+            mutableUiState.update {
+                it.copy(brightness = newBrightness)
+            }
+        }
     }
 
     override fun volumeChange(changeRate: Float) {
@@ -406,7 +415,7 @@ class VideoPlayerViewModelImpl @Inject constructor(
                 println("dummy impl")
             }
 
-            override fun brightnesChange(changeRate: Float, currentValue: Float) {
+            override fun brightnessChange(changeRate: Float, currentValue: Float) {
                 println("dummy impl")
             }
 

new-player/src/main/java/net/newpipe/newplayer/ui/VideoPlayerControllerUI.kt

@@ -21,6 +21,7 @@
 package net.newpipe.newplayer.ui
 
 
+import android.app.Activity
 import androidx.activity.compose.BackHandler
 import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.foundation.layout.Box
@@ -44,6 +45,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import net.newpipe.newplayer.ui.theme.VideoPlayerTheme
@@ -51,6 +53,7 @@ import net.newpipe.newplayer.ui.videoplayer.BottomUI
 import net.newpipe.newplayer.ui.videoplayer.CenterUI
 import net.newpipe.newplayer.ui.videoplayer.TopUI
 import net.newpipe.newplayer.ui.videoplayer.GestureUI
+import net.newpipe.newplayer.utils.getScreenBrightnes
 
 @Composable
 fun VideoPlayerControllerUI(
@@ -78,18 +81,21 @@ fun VideoPlayerControllerUI(
     embeddedDraggedDownBy: (Float) -> Unit,
     fastSeek: (Int) -> Unit,
     finishFastSeek: () -> Unit,
-    brightnesChange: (Float, Float) -> Unit,
+    brightnessChange: (Float, Float) -> Unit,
     volumeChange: (Float) -> Unit
 ) {
 
+    val context = LocalContext.current
+
     if (fullscreen) {
         BackHandler {
             switchToEmbeddedView()
         }
     }
 
-    val internalBrightnesChange = { rateChange: Float ->
+    val internalBrightnessChange = { rateChange: Float ->
-
+        val systemBrightness = getScreenBrightnes(context as Activity)
+        brightnessChange(rateChange, systemBrightness)
     }
 
     val insets =
@@ -114,7 +120,7 @@ fun VideoPlayerControllerUI(
             embeddedDraggedDownBy = embeddedDraggedDownBy,
             fastSeek = fastSeek,
             fastSeekFinished = finishFastSeek,
-            brightnesChange = internalBrightnesChange,
+            brightnessChange = internalBrightnessChange,
             volumeChange = volumeChange
         )
     }
@@ -155,7 +161,7 @@ fun VideoPlayerControllerUI(
             fastSeek = fastSeek,
             fastSeekFinished = finishFastSeek,
             volumeChange = volumeChange,
-            brightnesChange = internalBrightnesChange
+            brightnessChange = internalBrightnessChange
         )
 
         Box(modifier = Modifier.fillMaxSize()) {
@@ -254,7 +260,7 @@ fun VideoPlayerControllerUIPreviewEmbedded() {
                 embeddedDraggedDownBy = {},
                 fastSeek = {},
                 finishFastSeek = {},
-                internalBrightnesChange = { a, b ->},
+                brightnessChange = { a, b ->},
                 volumeChange = {})
         }
     }
@@ -289,7 +295,7 @@ fun VideoPlayerControllerUIPreviewLandscape() {
                 embeddedDraggedDownBy = {},
                 fastSeek = {},
                 finishFastSeek = {},
-                internalBrightnesChange = { a, b -> },
+                brightnessChange = { a, b -> },
                 volumeChange = {})
         }
     }
@@ -325,7 +331,7 @@ fun VideoPlayerControllerUIPreviewPortrait() {
                 embeddedDraggedDownBy = {},
                 fastSeek = {},
                 finishFastSeek = {},
-                internalBrightnesChange = { a, b -> },
+                brightnessChange = { a, b -> },
                 volumeChange = {})
         }
     }

new-player/src/main/java/net/newpipe/newplayer/ui/VideoPlayerUI.kt

@@ -22,6 +22,7 @@ package net.newpipe.newplayer.ui
 
 import android.app.Activity
 import android.content.pm.ActivityInfo
+import android.util.Log
 import android.view.SurfaceView
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.aspectRatio
@@ -55,6 +56,10 @@ import net.newpipe.newplayer.model.VideoPlayerViewModel
 import net.newpipe.newplayer.model.VideoPlayerViewModelImpl
 import net.newpipe.newplayer.ui.theme.VideoPlayerTheme
 import net.newpipe.newplayer.utils.LockScreenOrientation
+import net.newpipe.newplayer.utils.getScreenBrightnes
+import net.newpipe.newplayer.utils.setScreenBrightnes
+
+private const val TAG = "VideoPlayerUI"
 
 @Composable
 fun VideoPlayerUI(
@@ -125,6 +130,16 @@ fun VideoPlayerUI(
         val screenRatio =
             displayMetrics.widthPixels.toFloat() / displayMetrics.heightPixels.toFloat()
 
+        val systemScreenBrightnes = getScreenBrightnes(activity)
+
+        LaunchedEffect(key1 = uiState.brightness) {
+            Log.d(TAG, "New Brightnes: ${uiState.brightness}")
+            setScreenBrightnes(
+                uiState.brightness
+                    ?: if (systemScreenBrightnes < 0f) 0.5f else systemScreenBrightnes, activity
+            )
+        }
+
         // Set UI
         Surface(
             modifier = Modifier.then(
@@ -143,6 +158,7 @@ fun VideoPlayerUI(
                     contentRatio = uiState.contentRatio
                 )
             }
+
             VideoPlayerControllerUI(
                 isPlaying = uiState.playing,
                 fullscreen = uiState.fullscreen,
@@ -153,7 +169,8 @@ fun VideoPlayerUI(
                 playbackPositionInMs = uiState.playbackPositionInMs,
                 bufferedPercentage = uiState.bufferedPercentage,
                 fastSeekSeconds = uiState.fastseekSeconds,
-                brightnes = uiState.brightnes,
+                brightnes = uiState.brightness
+                    ?: if (systemScreenBrightnes < 0f) 0.5f else systemScreenBrightnes,
                 soundVolume = uiState.soundVolume,
                 play = viewModel::play,
                 pause = viewModel::pause,
@@ -169,7 +186,7 @@ fun VideoPlayerUI(
                 fastSeek = viewModel::fastSeek,
                 finishFastSeek = viewModel::finishFastSeek,
                 volumeChange = viewModel::volumeChange,
-                internalBrightnesChange = viewModel::brightnesChange
+                brightnessChange = viewModel::brightnessChange
             )
         }
     }

new-player/src/main/java/net/newpipe/newplayer/ui/theme/Color.kt

@@ -96,7 +96,7 @@ fun VideoPlayerControllerUIPreviewEmbeddedColorPreview() {
                 embeddedDraggedDownBy = {},
                 fastSeek = {},
                 finishFastSeek = {},
-                internalBrightnesChange = {},
+                brightnessChange = {a, b ->},
                 volumeChange = {})
         }
     }

new-player/src/main/java/net/newpipe/newplayer/ui/videoplayer/GestureUI.kt

@@ -20,32 +20,10 @@
 
 package net.newpipe.newplayer.ui.videoplayer
 
-import android.util.Log
-import androidx.compose.animation.AnimatedVisibility
-import androidx.compose.animation.core.tween
-import androidx.compose.animation.fadeIn
-import androidx.compose.animation.fadeOut
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.wrapContentSize
-import androidx.compose.material3.Surface
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.tooling.preview.Preview
-import net.newpipe.newplayer.ui.theme.VideoPlayerTheme
 import net.newpipe.newplayer.ui.videoplayer.gesture_ui.EmbeddedGestureUI
-import net.newpipe.newplayer.ui.videoplayer.gesture_ui.FastSeekVisualFeedback
 import net.newpipe.newplayer.ui.videoplayer.gesture_ui.FullscreenGestureUI
-import net.newpipe.newplayer.ui.videoplayer.gesture_ui.FullscreenGestureUIPreview
-import net.newpipe.newplayer.ui.videoplayer.gesture_ui.TouchSurface
-import net.newpipe.newplayer.ui.videoplayer.gesture_ui.TouchedPosition
 
 private const val TAG = "TouchUi"
 
@@ -72,7 +50,7 @@ fun GestureUI(
     fastSeek: (Int) -> Unit,
     fastSeekFinished: () -> Unit,
     volumeChange: (Float) -> Unit,
-    brightnesChange: (Float) -> Unit,
+    brightnessChange: (Float) -> Unit,
 ) {
     val defaultOnRegularTap = {
         if (uiVissible) {
@@ -94,7 +72,7 @@ fun GestureUI(
             switchToEmbeddedView = switchToEmbeddedView,
             fastSeekFinished = fastSeekFinished,
             volumeChange = volumeChange,
-            brightnesChange = brightnesChange)
+            brightnesChange = brightnessChange)
     } else {
         EmbeddedGestureUI(
             fastSeekSeconds = fastSeekSeconds,

new-player/src/main/java/net/newpipe/newplayer/ui/videoplayer/gesture_ui/FullscreenGestureUI.kt

@@ -23,8 +23,6 @@ package net.newpipe.newplayer.ui.videoplayer.gesture_ui
 
 import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.animation.core.tween
-import androidx.compose.animation.fadeIn
-import androidx.compose.animation.fadeOut
 import androidx.compose.animation.scaleIn
 import androidx.compose.animation.scaleOut
 import androidx.compose.foundation.layout.Box
@@ -170,7 +168,7 @@ fun FullscreenGestureUI(
             VolumeCircle(
                 volumeFraction = brightnes,
                 modifier = Modifier.align(Alignment.Center),
-                isBrightnes = true
+                isBrightness = true
             )
         }
     }

new-player/src/main/java/net/newpipe/newplayer/ui/videoplayer/gesture_ui/VolumeCircle.kt

@@ -23,9 +23,7 @@ package net.newpipe.newplayer.ui.videoplayer.gesture_ui
 import android.util.Log
 import androidx.compose.foundation.Canvas
 import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
-import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.VolumeDown
 import androidx.compose.material.icons.automirrored.filled.VolumeMute
@@ -40,7 +38,6 @@ import androidx.compose.ui.graphics.drawscope.Stroke
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.shadow
 import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.geometry.Size
 import androidx.compose.ui.graphics.Color
@@ -60,7 +57,7 @@ private const val CIRCLE_SIZE = 100
 fun VolumeCircle(
     modifier: Modifier = Modifier,
     volumeFraction: Float,
-    isBrightnes: Boolean = false
+    isBrightness: Boolean = false
 ) {
     assert(0f <= volumeFraction && volumeFraction <= 1f) {
          Log.e(TAG, "Volume fraction must be in ragne [0;1]. It was $volumeFraction")
@@ -87,10 +84,10 @@ fun VolumeCircle(
             modifier = Modifier
                 .align(Alignment.Center)
                 .size(60.dp),
-            imageVector = (if (isBrightnes) getBrightnesIcon(volumeFraction = volumeFraction)
+            imageVector = (if (isBrightness) getBrightnesIcon(volumeFraction = volumeFraction)
             else getVolumeIcon(volumeFraction = volumeFraction)),
             contentDescription = stringResource(
-                id = if (isBrightnes) R.string.brightness_indicator
+                id = if (isBrightness) R.string.brightness_indicator
                 else R.string.volume_indicator
             )
         )
@@ -115,7 +112,7 @@ private fun getBrightnesIcon(volumeFraction: Float) =
 fun VolumeCirclePreview() {
     VideoPlayerTheme {
         Surface(color = Color.White) {
-            VolumeCircle(volumeFraction = 0.3f, isBrightnes = false)
+            VolumeCircle(volumeFraction = 0.3f, isBrightness = false)
         }
     }
 }

new-player/src/main/java/net/newpipe/newplayer/utils/utils.kt

@@ -24,6 +24,7 @@ import android.annotation.SuppressLint
 import android.app.Activity
 import android.content.Context
 import android.content.ContextWrapper
+import android.view.Window
 import android.view.WindowManager
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
@@ -44,18 +45,14 @@ fun LockScreenOrientation(orientation: Int) {
 }
 
 @SuppressLint("NewApi")
-@Composable
+fun getScreenBrightnes(activity: Activity) : Float {
-fun getScreenBrightnes() : Float {
-    val activity = LocalContext.current.findActivity()!!
     val window = activity.window
     val layout = window.attributes as WindowManager.LayoutParams
     return layout.screenBrightness
 }
 
 @SuppressLint("NewApi")
-@Composable
+fun setScreenBrightnes(value:Float, activity: Activity) {
-fun SetScreenBrightnes(value:Float) {
-    val activity = LocalContext.current.findActivity()!!
     val window = activity.window
     val layout = window.attributes as WindowManager.LayoutParams
     layout.screenBrightness = value