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androidApp/src/main/java/com/m3u/androidApp/ui/internal/HeadlineBackground.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| package com.m3u.androidApp.ui.internal | ||
|
|
||
| import android.util.Log | ||
| import androidx.compose.animation.animateColorAsState | ||
| import androidx.compose.foundation.isSystemInDarkTheme | ||
| import androidx.compose.foundation.layout.aspectRatio | ||
| import androidx.compose.foundation.layout.fillMaxWidth | ||
| import androidx.compose.foundation.layout.offset | ||
| import androidx.compose.material3.MaterialTheme | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.LaunchedEffect | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.runtime.remember | ||
| import androidx.compose.runtime.snapshotFlow | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.draw.drawWithContent | ||
| import androidx.compose.ui.graphics.Color | ||
| import androidx.compose.ui.graphics.lerp | ||
| import androidx.compose.ui.layout.ContentScale | ||
| import androidx.compose.ui.platform.LocalConfiguration | ||
| import androidx.compose.ui.platform.LocalContext | ||
| import androidx.compose.ui.unit.IntOffset | ||
| import coil.compose.AsyncImage | ||
| import coil.request.CachePolicy | ||
| import coil.request.ImageRequest | ||
| import com.m3u.core.architecture.preferences.hiltPreferences | ||
| import com.m3u.material.ktx.BlurTransformation | ||
| import com.m3u.material.ktx.Edge | ||
| import com.m3u.material.ktx.blurEdge | ||
| import com.m3u.ui.helper.Metadata | ||
| import kotlinx.coroutines.flow.launchIn | ||
| import kotlinx.coroutines.flow.onEach | ||
| import kotlin.math.roundToInt | ||
|
|
||
| @Composable | ||
| fun HeadlineBackground(modifier: Modifier = Modifier) { | ||
| val context = LocalContext.current | ||
| val configuration = LocalConfiguration.current | ||
|
|
||
| val preferences = hiltPreferences() | ||
|
|
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| val useDarkTheme = | ||
| preferences.darkMode || (preferences.followSystemTheme && isSystemInDarkTheme()) | ||
|
|
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| val colorScheme = MaterialTheme.colorScheme | ||
| val url = Metadata.headlineUrl | ||
| val fraction = Metadata.headlineFraction | ||
|
|
||
| val currentMaskColor by animateColorAsState( | ||
| targetValue = lerp( | ||
| start = if (useDarkTheme) Color.Black.copy(0.56f) | ||
| else Color.White.copy(0.56f), | ||
| stop = Color.Transparent, | ||
| fraction = fraction | ||
| ), | ||
| label = "scaffold-main-content-mask-color" | ||
| ) | ||
|
|
||
| if (!preferences.noPictureMode) { | ||
| LaunchedEffect(Unit) { | ||
| snapshotFlow { Metadata.headlineFraction } | ||
| .onEach { Log.e("TAG", "$it") } | ||
| .launchIn(this) | ||
| } | ||
| AsyncImage( | ||
| model = remember(url) { | ||
| ImageRequest.Builder(context) | ||
| .data(url) | ||
| .crossfade(800) | ||
| .memoryCachePolicy(CachePolicy.DISABLED) | ||
| .transformations( | ||
| BlurTransformation(context) | ||
| ) | ||
| .build() | ||
| }, | ||
| contentDescription = null, | ||
| contentScale = ContentScale.Crop, | ||
| modifier = modifier | ||
| .fillMaxWidth() | ||
| .offset { | ||
| IntOffset( | ||
| x = 0, | ||
| y = ((configuration.screenWidthDp * Metadata.HEADLINE_ASPECT_RATIO) * -fraction).roundToInt() | ||
| ) | ||
| } | ||
| .aspectRatio(Metadata.HEADLINE_ASPECT_RATIO) | ||
| .drawWithContent { | ||
| drawContent() | ||
| if (url.isNotEmpty()) { | ||
| drawRect(color = currentMaskColor, size = size) | ||
| } | ||
| } | ||
| .blurEdge( | ||
| color = colorScheme.background, | ||
| edge = Edge.Bottom, | ||
| dimen = 256f | ||
| ) | ||
| ) | ||
| } | ||
| } |
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