Revert "Implement predictive back animation (#10273)"

This reverts commit 9c120e6231.

Potentially too buggy for a stable release for now.

app/src/main/java/eu/kanade/tachiyomi/ui/home/HomeScreen.kt

@@ -1,11 +1,8 @@
 package eu.kanade.tachiyomi.ui.home
 
-import androidx.activity.compose.PredictiveBackHandler
+import androidx.activity.compose.BackHandler
 import androidx.compose.animation.AnimatedContent
 import androidx.compose.animation.AnimatedVisibility
-import androidx.compose.animation.core.LinearOutSlowInEasing
-import androidx.compose.animation.core.animate
-import androidx.compose.animation.core.tween
 import androidx.compose.animation.expandVertically
 import androidx.compose.animation.shrinkVertically
 import androidx.compose.animation.togetherWith
@@ -26,20 +23,13 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableFloatStateOf
-import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.produceState
-import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
-import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.TransformOrigin
-import androidx.compose.ui.graphics.graphicsLayer
 import androidx.compose.ui.semantics.contentDescription
 import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.util.fastForEach
-import androidx.compose.ui.util.lerp
 import cafe.adriel.voyager.navigator.LocalNavigator
 import cafe.adriel.voyager.navigator.currentOrThrow
 import cafe.adriel.voyager.navigator.tab.LocalTabNavigator
@@ -59,7 +49,6 @@ import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.receiveAsFlow
 import kotlinx.coroutines.launch
-import soup.compose.material.motion.MotionConstants
 import soup.compose.material.motion.animation.materialFadeThroughIn
 import soup.compose.material.motion.animation.materialFadeThroughOut
 import tachiyomi.domain.library.service.LibraryPreferences
@@ -70,7 +59,6 @@ import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.i18n.pluralStringResource
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
-import kotlin.coroutines.cancellation.CancellationException
 
 object HomeScreen : Screen() {
 
@@ -92,8 +80,6 @@ object HomeScreen : Screen() {
     @Composable
     override fun Content() {
         val navigator = LocalNavigator.currentOrThrow
-        var scale by remember { mutableFloatStateOf(1f) }
-
         TabNavigator(
             tab = LibraryTab,
             key = TabNavigatorKey,
@@ -132,11 +118,6 @@ object HomeScreen : Screen() {
                 ) { contentPadding ->
                     Box(
                         modifier = Modifier
-                            .graphicsLayer {
-                                scaleX = scale
-                                scaleY = scale
-                                transformOrigin = TransformOrigin(0.5f, 1f)
-                            }
                             .padding(contentPadding)
                             .consumeWindowInsets(contentPadding),
                     ) {
@@ -157,30 +138,10 @@ object HomeScreen : Screen() {
             }
 
             val goToLibraryTab = { tabNavigator.current = LibraryTab }
-
-            var handlingBack by remember { mutableStateOf(false) }
-            PredictiveBackHandler(enabled = handlingBack || tabNavigator.current != LibraryTab) { progress ->
-                handlingBack = true
-                val currentTab = tabNavigator.current
-                try {
-                    progress.collect { backEvent ->
-                        scale = lerp(1f, 0.92f, LinearOutSlowInEasing.transform(backEvent.progress))
-                        tabNavigator.current = if (backEvent.progress > 0.25f) tabs[0] else currentTab
-                    }
-                    goToLibraryTab()
-                } catch (e: CancellationException) {
-                    tabNavigator.current = currentTab
-                } finally {
-                    animate(
-                        initialValue = scale,
-                        targetValue = 1f,
-                        animationSpec = tween(durationMillis = MotionConstants.DefaultMotionDuration),
-                    ) { value, _ ->
-                        scale = value
-                    }
-                    handlingBack = false
-                }
-            }
+            BackHandler(
+                enabled = tabNavigator.current != LibraryTab,
+                onBack = goToLibraryTab,
+            )
 
             LaunchedEffect(Unit) {
                 launch {

app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt

@@ -11,6 +11,7 @@ import android.os.Bundle
 import android.view.View
 import androidx.activity.ComponentActivity
 import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.WindowInsetsSides
 import androidx.compose.foundation.layout.consumeWindowInsets
@@ -222,13 +223,14 @@ class MainActivity : BaseActivity() {
                     contentWindowInsets = scaffoldInsets,
                 ) { contentPadding ->
                     // Consume insets already used by app state banners
-                    // Shows current screen
-                    DefaultNavigatorScreenTransition(
-                        navigator = navigator,
+                    Box(
                         modifier = Modifier
                             .padding(contentPadding)
                             .consumeWindowInsets(contentPadding),
-                    )
+                    ) {
+                        // Shows current screen
+                        DefaultNavigatorScreenTransition(navigator = navigator)
+                    }
                 }
 
                 // Pop source-related screens when incognito mode is turned off

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsScreen.kt

@@ -40,7 +40,6 @@ class SettingsScreen(
                     Destination.Tracking.id -> SettingsTrackingScreen
                     else -> SettingsMainScreen
                 },
-                onBackPressed = null,
                 content = {
                     val pop: () -> Unit = {
                         if (it.canPop) {
@@ -62,7 +61,6 @@ class SettingsScreen(
                     Destination.Tracking.id -> SettingsTrackingScreen
                     else -> SettingsAppearanceScreen
                 },
-                onBackPressed = null,
             ) {
                 val insets = WindowInsets.systemBars.only(WindowInsetsSides.Horizontal)
                 TwoPanelBox(

app/src/main/java/eu/kanade/tachiyomi/util/view/ViewExtensions.kt

@@ -4,11 +4,9 @@ package eu.kanade.tachiyomi.util.view
 
 import android.content.res.Resources
 import android.graphics.Rect
-import android.os.Build
 import android.view.Gravity
 import android.view.Menu
 import android.view.MenuItem
-import android.view.RoundedCorner
 import android.view.View
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
@@ -97,22 +95,3 @@ fun View?.isVisibleOnScreen(): Boolean {
         Rect(0, 0, Resources.getSystem().displayMetrics.widthPixels, Resources.getSystem().displayMetrics.heightPixels)
     return actualPosition.intersect(screen)
 }
-
-/**
- * Returns window radius (in pixel) applied to this view
- */
-fun View.getWindowRadius(): Int {
-    val rad = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
-        val windowInsets = rootWindowInsets
-        listOfNotNull(
-            windowInsets.getRoundedCorner(RoundedCorner.POSITION_TOP_LEFT),
-            windowInsets.getRoundedCorner(RoundedCorner.POSITION_TOP_RIGHT),
-            windowInsets.getRoundedCorner(RoundedCorner.POSITION_BOTTOM_LEFT),
-            windowInsets.getRoundedCorner(RoundedCorner.POSITION_BOTTOM_RIGHT),
-        )
-            .minOfOrNull { it.radius }
-    } else {
-        null
-    }
-    return rad ?: 0
-}