Storage screen

app/build.gradle.kts

@@ -84,8 +84,8 @@ dependencies {
     implementation("androidx.compose.ui:ui-graphics")
     implementation("androidx.compose.ui:ui-tooling-preview")
     implementation("androidx.compose.material:material-icons-extended:1.6.0")
-    implementation("androidx.compose.material3:material3-android:1.2.0-rc01")
+    implementation("androidx.compose.material3:material3-android:1.2.0")
-    implementation("androidx.compose.material3:material3-window-size-class:1.2.0-rc01")
+    implementation("androidx.compose.material3:material3-window-size-class:1.2.0")
     implementation("androidx.hilt:hilt-navigation-compose:1.1.0")
     implementation("androidx.navigation:navigation-compose:2.7.6")
     implementation("androidx.profileinstaller:profileinstaller:1.3.1")
@@ -94,6 +94,7 @@ dependencies {
     implementation("androidx.work:work-runtime-ktx:2.9.0")
     ksp("androidx.room:room-compiler:2.6.1")
     implementation("com.google.android.material:material:1.11.0")
+    implementation("com.google.accompanist:accompanist-flowlayout:0.32.0")
     implementation("com.google.accompanist:accompanist-systemuicontroller:0.32.0")
     implementation("com.google.accompanist:accompanist-pager:0.32.0")
     implementation("com.google.accompanist:accompanist-pager-indicators:0.32.0")

app/src/main/java/org/xtimms/tokusho/core/Navigation.kt

@@ -45,6 +45,8 @@ import org.xtimms.tokusho.sections.settings.appearance.DARK_THEME_DESTINATION
 import org.xtimms.tokusho.sections.settings.appearance.DarkThemeView
 import org.xtimms.tokusho.sections.settings.appearance.LANGUAGES_DESTINATION
 import org.xtimms.tokusho.sections.settings.appearance.LanguagesView
+import org.xtimms.tokusho.sections.settings.storage.STORAGE_DESTINATION
+import org.xtimms.tokusho.sections.settings.storage.StorageView
 import org.xtimms.tokusho.sections.shelf.ShelfMap
 import org.xtimms.tokusho.sections.shelf.ShelfView
 import org.xtimms.tokusho.utils.lang.removeFirstAndLast
@@ -144,7 +146,8 @@ fun Navigation(
                 navigateBack = navigateBack,
                 navigateToAppearance = { navController.navigate(APPEARANCE_DESTINATION) },
                 navigateToAbout = { navController.navigate(ABOUT_DESTINATION) },
-                navigateToAdvanced = { navController.navigate(ADVANCED_DESTINATION) }
+                navigateToAdvanced = { navController.navigate(ADVANCED_DESTINATION) },
+                navigateToStorage = { navController.navigate(STORAGE_DESTINATION) }
             )
         }
 
@@ -169,6 +172,12 @@ fun Navigation(
             )
         }
 
+        composable(STORAGE_DESTINATION) {
+            StorageView(
+                navigateBack = navigateBack,
+            )
+        }
+
         composable(ADVANCED_DESTINATION) {
             AdvancedView(
                 navigateBack = navigateBack,

app/src/main/java/org/xtimms/tokusho/core/components/Buttons.kt

@@ -9,8 +9,28 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
+import org.xtimms.tokusho.R
+
+@Composable
+fun ConfirmButton(
+    text: String = stringResource(R.string.confirm),
+    enabled: Boolean = true,
+    onClick: () -> Unit
+) {
+    TextButton(onClick = onClick, enabled = enabled) {
+        Text(text)
+    }
+}
+
+@Composable
+fun DismissButton(text: String = stringResource(R.string.dismiss), onClick: () -> Unit) {
+    TextButton(onClick = onClick) {
+        Text(text)
+    }
+}
 
 @Composable
 fun ActionButton(

app/src/main/java/org/xtimms/tokusho/core/components/CheckBox.kt

@@ -0,0 +1,44 @@
+package org.xtimms.tokusho.core.components
+
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.selection.toggleable
+import androidx.compose.material3.Checkbox
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.semantics.clearAndSetSemantics
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun DialogCheckBoxItem(
+    modifier: Modifier = Modifier,
+    text: String,
+    checked: Boolean,
+    onClick: () -> Unit,
+) {
+    Row(
+        modifier = modifier
+            .fillMaxWidth()
+            .toggleable(
+                value = checked,
+                enabled = true,
+                onValueChange = { onClick() },
+            )
+            .padding(horizontal = 12.dp),
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        Checkbox(
+            modifier = Modifier.clearAndSetSemantics { },
+            checked = checked, onCheckedChange = { onClick() },
+        )
+        Text(
+            modifier = Modifier.weight(1f),
+            text = text,
+            style = MaterialTheme.typography.bodyMedium,
+        )
+    }
+}

app/src/main/java/org/xtimms/tokusho/core/components/Dialogs.kt

@@ -0,0 +1,137 @@
+package org.xtimms.tokusho.core.components
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ExperimentalLayoutApi
+import androidx.compose.foundation.layout.FlowRow
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.AlertDialogDefaults
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.LocalContentColor
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.ProvideTextStyle
+import androidx.compose.material3.Surface
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.Shape
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.DialogProperties
+
+private val DialogVerticalPadding = PaddingValues(vertical = 24.dp)
+private val IconPadding = PaddingValues(bottom = 16.dp)
+private val DialogHorizontalPadding = PaddingValues(horizontal = 24.dp)
+private val TitlePadding = PaddingValues(bottom = 16.dp)
+private val TextPadding = PaddingValues(bottom = 24.dp)
+private val ButtonsMainAxisSpacing = Arrangement.spacedBy(8.dp, Alignment.Start)
+private val ButtonsCrossAxisSpacing = Arrangement.spacedBy(12.dp, Alignment.Top)
+
+@OptIn(ExperimentalMaterial3Api::class, ExperimentalLayoutApi::class)
+@Composable
+fun TokushoDialog(
+    onDismissRequest: () -> Unit,
+    confirmButton: @Composable () -> Unit,
+    modifier: Modifier = Modifier,
+    dismissButton: @Composable (() -> Unit)? = null,
+    icon: @Composable (() -> Unit)? = null,
+    title: @Composable (() -> Unit)? = null,
+    text: @Composable (() -> Unit)? = null,
+    shape: Shape = AlertDialogDefaults.shape,
+    containerColor: Color = AlertDialogDefaults.containerColor,
+    iconContentColor: Color = AlertDialogDefaults.iconContentColor,
+    titleContentColor: Color = AlertDialogDefaults.titleContentColor,
+    textContentColor: Color = AlertDialogDefaults.textContentColor,
+    tonalElevation: Dp = AlertDialogDefaults.TonalElevation,
+    properties: DialogProperties = DialogProperties()
+) {
+    AlertDialog(
+        onDismissRequest = onDismissRequest,
+        modifier = modifier,
+        properties = properties
+    ) {
+        Surface(
+            modifier = modifier,
+            shape = shape,
+            color = containerColor,
+            tonalElevation = tonalElevation,
+        ) {
+            Column(
+                modifier = Modifier.padding(DialogVerticalPadding)
+            ) {
+                icon?.let {
+                    CompositionLocalProvider(LocalContentColor provides iconContentColor) {
+                        Box(
+                            Modifier
+                                .padding(IconPadding)
+                                .padding(DialogHorizontalPadding)
+                                .align(Alignment.CenterHorizontally)
+                        ) {
+                            icon()
+                        }
+                    }
+                }
+                title?.let {
+                    CompositionLocalProvider(LocalContentColor provides titleContentColor) {
+                        val textStyle = MaterialTheme.typography.headlineSmall
+                        ProvideTextStyle(textStyle) {
+                            Box(
+                                // Align the title to the center when an icon is present.
+                                Modifier
+                                    .padding(TitlePadding)
+                                    .padding(DialogHorizontalPadding)
+                                    .align(
+                                        if (icon == null) {
+                                            Alignment.Start
+                                        } else {
+                                            Alignment.CenterHorizontally
+                                        }
+                                    )
+                            ) {
+                                title()
+                            }
+                        }
+                    }
+                }
+                text?.let {
+                    CompositionLocalProvider(LocalContentColor provides textContentColor) {
+                        val textStyle =
+                            MaterialTheme.typography.bodyMedium
+                        ProvideTextStyle(textStyle) {
+                            Box(
+                                Modifier
+                                    .weight(weight = 1f, fill = false)
+                                    .padding(TextPadding)
+                                    .align(Alignment.Start)
+                            ) {
+                                text()
+                            }
+                        }
+                    }
+                }
+                Box(
+                    modifier = Modifier
+                        .align(Alignment.End)
+                        .padding(DialogHorizontalPadding)
+                ) {
+                    val textStyle =
+                        MaterialTheme.typography.labelLarge
+                    ProvideTextStyle(value = textStyle) {
+                        FlowRow(
+                            horizontalArrangement = ButtonsMainAxisSpacing,
+                            verticalArrangement = ButtonsCrossAxisSpacing
+                        ) {
+                            dismissButton?.invoke()
+                            confirmButton()
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/org/xtimms/tokusho/core/components/PreferenceItem.kt

@@ -16,14 +16,16 @@ import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.selection.selectable
 import androidx.compose.foundation.selection.toggleable
 import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.outlined.Check
-import androidx.compose.material.icons.outlined.TipsAndUpdates
 import androidx.compose.material.icons.outlined.Call
+import androidx.compose.material.icons.outlined.Check
 import androidx.compose.material.icons.outlined.Info
+import androidx.compose.material.icons.outlined.Save
+import androidx.compose.material.icons.outlined.TipsAndUpdates
 import androidx.compose.material.icons.outlined.ToggleOn
 import androidx.compose.material.icons.outlined.Translate
 import androidx.compose.material.icons.outlined.Update
 import androidx.compose.material3.Icon
+import androidx.compose.material3.LinearProgressIndicator
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.RadioButton
 import androidx.compose.material3.Surface
@@ -41,8 +43,10 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.StrokeCap
 import androidx.compose.ui.graphics.painter.Painter
 import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.semantics.clearAndSetSemantics
 import androidx.compose.ui.semantics.contentDescription
@@ -57,8 +61,10 @@ import org.xtimms.tokusho.R
 import org.xtimms.tokusho.ui.monet.LocalTonalPalettes
 import org.xtimms.tokusho.ui.monet.TonalPalettes.Companion.toTonalPalettes
 import org.xtimms.tokusho.ui.theme.PreviewThemeLight
+import org.xtimms.tokusho.ui.theme.TokushoTheme
 import org.xtimms.tokusho.ui.theme.applyOpacity
 import org.xtimms.tokusho.ui.theme.preferenceTitle
+import org.xtimms.tokusho.utils.FileSize
 
 private const val horizontal = 8
 private const val vertical = 16
@@ -516,7 +522,7 @@ fun PreferencesHintCard(
                 imageVector = icon,
                 contentDescription = null,
                 modifier = Modifier
-                    .padding(start = 8.dp, end = 16.dp)
+                    .padding(start = 8.dp, end = 24.dp)
                     .size(24.dp),
                 tint = contentColor
             )
@@ -544,6 +550,160 @@ fun PreferencesHintCard(
     }
 }
 
+@Composable
+fun PreferenceStorageHeader(
+    used: Long = 4L,
+    total: Long = 128L
+) {
+    Column {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp, vertical = 12.dp),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Text(
+                text = FileSize.BYTES.formatWithoutUnits(used),
+                modifier = Modifier.padding(end = 4.dp),
+                style = MaterialTheme.typography.displayLarge
+            )
+            Text(
+                text = FileSize.BYTES.showUnit(LocalContext.current, used),
+                modifier = Modifier
+                    .weight(1f)
+                    .align(Alignment.Bottom)
+                    .padding(PaddingValues(bottom = 8.dp))
+            )
+            Text(
+                text = FileSize.BYTES.totalFormat(LocalContext.current, total),
+                modifier = Modifier
+                    .align(Alignment.Bottom)
+                    .padding(PaddingValues(bottom = 8.dp))
+            )
+        }
+        LinearProgressIndicator(
+            progress = { (1 - ((total - used) / total.toFloat())) },
+            modifier = Modifier
+                .padding(PaddingValues(start = 16.dp, end = 16.dp, bottom = 16.dp))
+                .height(16.dp)
+                .fillMaxWidth(),
+            color = MaterialTheme.colorScheme.primary,
+            trackColor = MaterialTheme.colorScheme.primaryContainer,
+            strokeCap = StrokeCap.Round,
+        )
+    }
+}
+
+@OptIn(ExperimentalFoundationApi::class)
+@Composable
+fun PreferenceStorageItem(
+    title: String,
+    used: Long? = 0L,
+    total: Long?,
+    icon: Any? = null,
+    leadingIcon: (@Composable () -> Unit)? = null,
+    trailingIcon: (@Composable () -> Unit)? = null,
+    onClick: () -> Unit = {},
+) {
+    Surface(
+        modifier = Modifier.combinedClickable(
+            onClick = onClick,
+        )
+    ) {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal.dp, vertical.dp),
+            verticalAlignment = Alignment.CenterVertically,
+        ) {
+            leadingIcon?.invoke()
+
+            when (icon) {
+                is ImageVector -> {
+                    Icon(
+                        imageVector = icon,
+                        contentDescription = null,
+                        modifier = Modifier
+                            .padding(start = 8.dp, end = 16.dp)
+                            .size(24.dp),
+                        tint = MaterialTheme.colorScheme.onSurfaceVariant.applyOpacity(true),
+                    )
+                }
+
+                is Painter -> {
+                    Icon(
+                        painter = icon,
+                        contentDescription = null,
+                        modifier = Modifier
+                            .padding(start = 8.dp, end = 16.dp)
+                            .size(24.dp),
+                        tint = MaterialTheme.colorScheme.onSurfaceVariant.applyOpacity(true),
+                    )
+                }
+            }
+
+            Column(
+                modifier = Modifier
+                    .weight(1f)
+                    .then(
+                        if (icon != null)
+                            Modifier
+                                .padding(start = 16.dp, end = 8.dp)
+                        else Modifier.padding(horizontal = 8.dp)
+                    )
+            ) {
+                Row {
+                    PreferenceItemTitle(
+                        modifier = Modifier.weight(1f),
+                        text = title,
+                        enabled = true
+                    )
+                    Text(text = FileSize.BYTES.format(LocalContext.current, used ?: 0L))
+                }
+                if (total != null) {
+                    LinearProgressIndicator(
+                        progress = { (1 - ((total - used!!) / total.toFloat())) },
+                        modifier = Modifier
+                            .padding(PaddingValues(top = 12.dp))
+                            .height(5.dp)
+                            .fillMaxWidth(),
+                        color = MaterialTheme.colorScheme.primary,
+                        trackColor = MaterialTheme.colorScheme.primaryContainer,
+                        strokeCap = StrokeCap.Round,
+                    )
+                }
+            }
+            trailingIcon?.let {
+                VerticalDivider(
+                    modifier = Modifier
+                        .height(32.dp)
+                        .padding(horizontal = 8.dp)
+                        .align(Alignment.CenterVertically),
+                    color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.3f),
+                    thickness = 1.dp
+                )
+                trailingIcon.invoke()
+            }
+        }
+    }
+}
+
+@Composable
+@Preview(showBackground = true)
+fun PreferenceStorageHeaderPreview() {
+    TokushoTheme {
+        PreferenceStorageHeader()
+    }
+}
+
+@Composable
+@Preview(showBackground = true)
+fun PreferenceStorageItemPreview() {
+    TokushoTheme {
+        PreferenceStorageItem(title = "Saved manga", icon = Icons.Outlined.Save, total = 0L)
+    }
+}
+
 @Composable
 @Preview
 fun PreferenceItemPreview() {

app/src/main/java/org/xtimms/tokusho/core/screens/UpdateDialog.kt

@@ -21,6 +21,7 @@ import androidx.compose.ui.res.stringResource
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import org.xtimms.tokusho.R
+import org.xtimms.tokusho.core.components.DismissButton
 import org.xtimms.tokusho.core.updates.Updater
 import org.xtimms.tokusho.utils.system.suspendToast
 
@@ -87,11 +88,4 @@ fun UpdateDialogImpl(
                 Text(releaseNote)
             }
         })
-}
-
-@Composable
-fun DismissButton(text: String = stringResource(R.string.dismiss), onClick: () -> Unit) {
-    TextButton(onClick = onClick) {
-        Text(text)
-    }
 }

app/src/main/java/org/xtimms/tokusho/data/LocalStorageManager.kt

@@ -5,7 +5,13 @@ import android.os.StatFs
 import androidx.annotation.WorkerThread
 import dagger.Reusable
 import dagger.hilt.android.qualifiers.ApplicationContext
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.runInterruptible
+import kotlinx.coroutines.withContext
 import okhttp3.Cache
+import org.koitharu.kotatsu.parsers.util.mapToSet
+import org.xtimms.tokusho.core.cache.CacheDir
+import org.xtimms.tokusho.utils.system.computeSize
 import java.io.File
 import javax.inject.Inject
 
@@ -28,6 +34,65 @@ class LocalStorageManager @Inject constructor(
         return Cache(directory, maxSize)
     }
 
+    suspend fun computeCacheSize(cache: CacheDir) = withContext(Dispatchers.IO) {
+        getCacheDirs(cache.dir).sumOf { it.computeSize() }
+    }
+
+    suspend fun computeCacheSize() = withContext(Dispatchers.IO) {
+        getCacheDirs().sumOf { it.computeSize() }
+    }
+
+    suspend fun computeAvailableSize() = runInterruptible(Dispatchers.IO) {
+        getAvailableStorageDirs().mapToSet { it.freeSpace }.sum()
+    }
+
+    fun getAvailableStorageSpace(file: File): Long {
+        return try {
+            val stat = StatFs(file.absolutePath)
+            stat.availableBlocksLong * stat.blockSizeLong
+        } catch (_: Exception) {
+            -1L
+        }
+    }
+
+    suspend fun clearCache(cache: CacheDir) = runInterruptible(Dispatchers.IO) {
+        getCacheDirs(cache.dir).forEach { it.deleteRecursively() }
+    }
+
+    @WorkerThread
+    private fun getAvailableStorageDirs(): MutableSet<File> {
+        val result = LinkedHashSet<File>()
+        result += File(context.filesDir, DIR_NAME)
+        context.getExternalFilesDirs(DIR_NAME).filterNotNullTo(result)
+        result.retainAll { it.exists() || it.mkdirs() }
+        return result
+    }
+
+    @WorkerThread
+    private fun getFallbackStorageDir(): File? {
+        return context.getExternalFilesDir(DIR_NAME) ?: File(context.filesDir, DIR_NAME).takeIf {
+            it.exists() || it.mkdirs()
+        }
+    }
+
+    @WorkerThread
+    private fun getCacheDirs(subDir: String): MutableSet<File> {
+        val result = LinkedHashSet<File>()
+        result += File(context.cacheDir, subDir)
+        context.externalCacheDirs.mapNotNullTo(result) {
+            File(it ?: return@mapNotNullTo null, subDir)
+        }
+        return result
+    }
+
+    @WorkerThread
+    private fun getCacheDirs(): MutableSet<File> {
+        val result = LinkedHashSet<File>()
+        result += context.cacheDir
+        context.externalCacheDirs.filterNotNullTo(result)
+        return result
+    }
+
     private fun calculateDiskCacheSize(cacheDirectory: File): Long {
         return try {
             val cacheDir = StatFs(cacheDirectory.absolutePath)

app/src/main/java/org/xtimms/tokusho/sections/settings/SettingsView.kt

@@ -6,12 +6,19 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.outlined.Code
 import androidx.compose.material.icons.outlined.Info
 import androidx.compose.material.icons.outlined.Palette
+import androidx.compose.material.icons.outlined.Storage
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import org.xtimms.tokusho.R
 import org.xtimms.tokusho.core.components.ScaffoldWithTopAppBar
 import org.xtimms.tokusho.core.components.SettingItem
+import org.xtimms.tokusho.sections.settings.storage.StorageViewModel
+import org.xtimms.tokusho.utils.FileSize
 
 const val SETTINGS_DESTINATION = "settings"
 
@@ -20,8 +27,14 @@ fun SettingsView(
     navigateBack: () -> Unit,
     navigateToAppearance: () -> Unit,
     navigateToAbout: () -> Unit,
-    navigateToAdvanced: () -> Unit
+    navigateToAdvanced: () -> Unit,
+    navigateToStorage: () -> Unit
 ) {
+
+    val context = LocalContext.current
+    val viewModel: StorageViewModel = hiltViewModel()
+    val uiState by viewModel.uiState.collectAsStateWithLifecycle()
+
     ScaffoldWithTopAppBar(
         title = stringResource(R.string.settings),
         navigateBack = navigateBack
@@ -38,6 +51,32 @@ fun SettingsView(
                     onClick = navigateToAppearance
                 )
             }
+            item {
+                val allCaches = uiState.availableSpace +
+                        uiState.httpCacheSize +
+                        uiState.pagesCache +
+                        uiState.thumbnailsCache
+                val desc = buildString {
+                    append((uiState.availableSpace / allCaches) * 100)
+                    append("% used")
+                    append(" - ")
+                    append(
+                        FileSize.BYTES.freeFormat(
+                            context,
+                            uiState.availableSpace -
+                                    uiState.httpCacheSize -
+                                    uiState.pagesCache -
+                                    uiState.thumbnailsCache
+                        )
+                    )
+                }
+                SettingItem(
+                    title = stringResource(id = R.string.storage),
+                    description = desc,
+                    icon = Icons.Outlined.Storage,
+                    onClick = navigateToStorage
+                )
+            }
             item {
                 SettingItem(
                     title = stringResource(id = R.string.advanced),

app/src/main/java/org/xtimms/tokusho/sections/settings/storage/CleanDialog.kt

@@ -0,0 +1,122 @@
+package org.xtimms.tokusho.sections.settings.storage
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.CleaningServices
+import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.Icon
+import androidx.compose.material3.Text
+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.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import org.xtimms.tokusho.R
+import org.xtimms.tokusho.core.components.ConfirmButton
+import org.xtimms.tokusho.core.components.DialogCheckBoxItem
+import org.xtimms.tokusho.core.components.DismissButton
+import org.xtimms.tokusho.core.components.TokushoDialog
+import org.xtimms.tokusho.utils.FileSize
+
+@Composable
+fun CleanDialog(
+    onDismissRequest: () -> Unit = {},
+    isPagesCacheSelected: Boolean,
+    isThumbnailsCacheSelected: Boolean,
+    isNetworkCacheSelected: Boolean,
+    onConfirm: (isPagesCacheSelected: Boolean, isThumbnailCacheSelected: Boolean, isNetworkCacheSelected: Boolean) -> Unit = { _, _, _ -> }
+) {
+
+    val viewModel: StorageViewModel = hiltViewModel()
+    val uiState by viewModel.uiState.collectAsStateWithLifecycle()
+
+    var pagesCache by remember {
+        mutableStateOf(isPagesCacheSelected)
+    }
+    var thumbnailsCache by remember {
+        mutableStateOf(isThumbnailsCacheSelected)
+    }
+    var networkCache by remember {
+        mutableStateOf(isNetworkCacheSelected)
+    }
+
+    TokushoDialog(
+        onDismissRequest = onDismissRequest,
+        confirmButton = {
+            ConfirmButton {
+                onConfirm(pagesCache, thumbnailsCache, networkCache)
+                onDismissRequest()
+            }
+        },
+        dismissButton = {
+            DismissButton {
+                onDismissRequest()
+            }
+        },
+        title = {
+            Text(
+                text = stringResource(
+                    id = R.string.free_up_space
+                )
+            )
+        },
+        icon = { Icon(imageVector = Icons.Outlined.CleaningServices, contentDescription = null) },
+        text = {
+            Column {
+                HorizontalDivider(modifier = Modifier.padding(horizontal = 24.dp, vertical = 4.dp))
+                DialogCheckBoxItem(
+                    text = stringResource(id = R.string.pages_cache),
+                    checked = pagesCache
+                ) {
+                    pagesCache = !pagesCache
+                }
+                DialogCheckBoxItem(
+                    text = stringResource(id = R.string.thumbnails_cache),
+                    checked = thumbnailsCache
+                ) {
+                    thumbnailsCache = !thumbnailsCache
+                }
+                DialogCheckBoxItem(
+                    text = stringResource(id = R.string.network_cache),
+                    checked = networkCache
+                ) {
+                    networkCache = !networkCache
+                }
+                HorizontalDivider(modifier = Modifier.padding(horizontal = 24.dp, vertical = 4.dp))
+                Spacer(modifier = Modifier.height(4.dp))
+                val summary = StringBuilder().run {
+                    append(FileSize.BYTES.format(LocalContext.current, uiState.pagesCache + uiState.thumbnailsCache + uiState.httpCacheSize))
+                    append("")
+                }
+                Text(
+                    text = stringResource(R.string.free_up_space_summary) + " " + summary,
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(horizontal = 24.dp),
+//                    style = MaterialTheme.typography.labelMedium,
+                )
+            }
+        })
+}
+
+@Preview
+@Composable
+private fun DirectoryPreferenceDialogPreview() {
+    CleanDialog(
+        onDismissRequest = {},
+        isPagesCacheSelected = false,
+        isThumbnailsCacheSelected = false,
+        isNetworkCacheSelected = false
+    )
+}

app/src/main/java/org/xtimms/tokusho/sections/settings/storage/StorageUiState.kt

@@ -0,0 +1,15 @@
+package org.xtimms.tokusho.sections.settings.storage
+
+import org.xtimms.tokusho.core.base.state.UiState
+
+data class StorageUiState(
+    val pagesCache: Long = -1L,
+    val thumbnailsCache: Long = -1L,
+    val availableSpace: Long = -1L,
+    val httpCacheSize: Long = -1L,
+    override val isLoading: Boolean = false,
+    override val message: String? = null,
+) : UiState() {
+    override fun setLoading(value: Boolean) = copy(isLoading = value)
+    override fun setMessage(value: String?) = copy(message = value)
+}

app/src/main/java/org/xtimms/tokusho/sections/settings/storage/StorageView.kt

@@ -0,0 +1,114 @@
+package org.xtimms.tokusho.sections.settings.storage
+
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.AutoStories
+import androidx.compose.material.icons.outlined.CleaningServices
+import androidx.compose.material.icons.outlined.Image
+import androidx.compose.material.icons.outlined.NetworkWifi
+import androidx.compose.material.icons.outlined.SdStorage
+import androidx.compose.material3.CircularProgressIndicator
+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.res.stringResource
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import org.xtimms.tokusho.R
+import org.xtimms.tokusho.core.cache.CacheDir
+import org.xtimms.tokusho.core.components.PreferenceStorageHeader
+import org.xtimms.tokusho.core.components.PreferenceStorageItem
+import org.xtimms.tokusho.core.components.PreferencesHintCard
+import org.xtimms.tokusho.core.components.ScaffoldWithTopAppBar
+
+const val STORAGE_DESTINATION = "storage"
+
+@Composable
+fun StorageView(
+    navigateBack: () -> Unit,
+) {
+
+    val viewModel: StorageViewModel = hiltViewModel()
+    val uiState by viewModel.uiState.collectAsStateWithLifecycle()
+
+    var showCleanDialog by remember { mutableStateOf(false) }
+
+    ScaffoldWithTopAppBar(
+        title = stringResource(R.string.storage),
+        navigateBack = navigateBack
+    ) { padding ->
+        if (!uiState.isLoading) LazyColumn(
+            modifier = Modifier
+                .padding(padding)
+        ) {
+            item {
+                PreferenceStorageHeader(
+                    used = uiState.httpCacheSize + uiState.thumbnailsCache + uiState.pagesCache,
+                    total = uiState.availableSpace
+                )
+            }
+            item {
+                PreferencesHintCard(
+                    title = stringResource(id = R.string.free_up_space),
+                    description = stringResource(id = R.string.free_up_space_hint),
+                    icon = Icons.Outlined.CleaningServices
+                ) {
+                    showCleanDialog = true
+                }
+            }
+            item {
+                PreferenceStorageItem(
+                    total = uiState.availableSpace,
+                    title = stringResource(id = R.string.saved_manga),
+                    icon = Icons.Outlined.SdStorage
+                )
+            }
+            item {
+                PreferenceStorageItem(
+                    total = uiState.availableSpace,
+                    title = stringResource(id = R.string.pages_cache),
+                    icon = Icons.Outlined.AutoStories,
+                    used = uiState.pagesCache
+                )
+            }
+            item {
+                PreferenceStorageItem(
+                    total = uiState.availableSpace,
+                    title = stringResource(id = R.string.thumbnails_cache),
+                    icon = Icons.Outlined.Image,
+                    used = uiState.thumbnailsCache
+                )
+            }
+            item {
+                PreferenceStorageItem(
+                    total = uiState.availableSpace,
+                    title = stringResource(id = R.string.network_cache),
+                    icon = Icons.Outlined.NetworkWifi,
+                    used = uiState.httpCacheSize
+                )
+            }
+        } else Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
+            CircularProgressIndicator()
+        }
+    }
+    if (showCleanDialog) {
+        CleanDialog(
+            onDismissRequest = { showCleanDialog = false },
+            isPagesCacheSelected = false,
+            isNetworkCacheSelected = false,
+            isThumbnailsCacheSelected = false,
+            onConfirm = { isPagesCacheSelected, isThumbnailCacheSelected, isNetworkCacheSelected ->
+                if (isPagesCacheSelected) viewModel.clearCache(CacheDir.PAGES)
+                if (isThumbnailCacheSelected) viewModel.clearCache(CacheDir.THUMBS)
+                if (isNetworkCacheSelected) viewModel.clearHttpCache()
+            }
+        )
+    }
+}

app/src/main/java/org/xtimms/tokusho/sections/settings/storage/StorageViewModel.kt

@@ -0,0 +1,85 @@
+package org.xtimms.tokusho.sections.settings.storage
+
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.runInterruptible
+import okhttp3.Cache
+import org.xtimms.tokusho.core.base.viewmodel.BaseViewModel
+import org.xtimms.tokusho.core.cache.CacheDir
+import org.xtimms.tokusho.data.LocalStorageManager
+import java.util.EnumMap
+import javax.inject.Inject
+
+@HiltViewModel
+class StorageViewModel @Inject constructor(
+    private val storageManager: LocalStorageManager,
+    private val httpCache: Cache,
+) : BaseViewModel<StorageUiState>() {
+
+    val httpCacheSize = MutableStateFlow(-1L)
+    val cacheSizes = EnumMap<CacheDir, MutableStateFlow<Long>>(CacheDir::class.java)
+
+    init {
+        launchJob(Dispatchers.Default) {
+            setLoading(true)
+            httpCacheSize.value = runInterruptible { httpCache.size() }
+            mutableUiState.update {
+                it.copy(
+                    availableSpace = storageManager.computeAvailableSize(),
+                    pagesCache = storageManager.computeCacheSize(CacheDir.PAGES),
+                    thumbnailsCache = storageManager.computeCacheSize(CacheDir.THUMBS),
+                    httpCacheSize = httpCacheSize.value,
+                    isLoading = false
+                )
+            }
+        }
+    }
+
+    fun clearCache(cache: CacheDir) {
+        launchJob(Dispatchers.Default) {
+            try {
+                storageManager.clearCache(cache)
+                checkNotNull(cacheSizes[cache]).value = storageManager.computeCacheSize(cache)
+                mutableUiState.update {
+                    it.copy(
+                        availableSpace = storageManager.computeAvailableSize(),
+                        pagesCache = storageManager.computeCacheSize(CacheDir.PAGES),
+                        thumbnailsCache = storageManager.computeCacheSize(CacheDir.THUMBS),
+                        httpCacheSize = httpCacheSize.value,
+                        isLoading = false
+                    )
+                }
+            } catch (_: Exception) {
+
+            }
+        }
+    }
+
+    fun clearHttpCache() {
+        launchJob(Dispatchers.Default) {
+            try {
+                val size = runInterruptible(Dispatchers.IO) {
+                    httpCache.evictAll()
+                    httpCache.size()
+                }
+                httpCacheSize.value = size
+                mutableUiState.update {
+                    it.copy(
+                        availableSpace = storageManager.computeAvailableSize(),
+                        pagesCache = storageManager.computeCacheSize(CacheDir.PAGES),
+                        thumbnailsCache = storageManager.computeCacheSize(CacheDir.THUMBS),
+                        httpCacheSize = httpCacheSize.value,
+                        isLoading = false
+                    )
+                }
+            } catch (_: Exception) {
+
+            }
+        }
+    }
+
+    override val mutableUiState = MutableStateFlow(StorageUiState())
+
+}

app/src/main/java/org/xtimms/tokusho/utils/CrashLogUtil.kt

@@ -5,8 +5,8 @@ import android.os.Build
 import org.xtimms.tokusho.BuildConfig
 import org.xtimms.tokusho.utils.lang.withNonCancellableContext
 import org.xtimms.tokusho.utils.lang.withUIContext
-import org.xtimms.tokusho.utils.storage.getUriCompat
 import org.xtimms.tokusho.utils.system.createFileInCacheDir
+import org.xtimms.tokusho.utils.system.getUriCompat
 import org.xtimms.tokusho.utils.system.toShareIntent
 import org.xtimms.tokusho.utils.system.toast
 

app/src/main/java/org/xtimms/tokusho/utils/FileSize.kt

@@ -0,0 +1,108 @@
+package org.xtimms.tokusho.utils
+
+import android.content.Context
+import org.xtimms.tokusho.R
+import java.text.DecimalFormat
+import kotlin.math.log10
+import kotlin.math.pow
+
+enum class FileSize(private val multiplier: Int) {
+
+    BYTES(1), KILOBYTES(1024), MEGABYTES(1024 * 1024);
+
+    fun convert(amount: Long, target: FileSize): Long = amount * multiplier / target.multiplier
+
+    fun freeFormat(context: Context, amount: Long): String {
+        val bytes = amount * multiplier
+        val units = context.getString(R.string.text_file_sizes_free).split('|')
+        if (bytes <= 0) {
+            return "0 ${units.first()}"
+        }
+        val digitGroups = (log10(bytes.toDouble()) / log10(1024.0)).toInt()
+        return buildString {
+            append(
+                DecimalFormat("#,##0.#").format(
+                    bytes / 1024.0.pow(digitGroups.toDouble()),
+                ),
+            )
+            val unit = units.getOrNull(digitGroups)
+            if (unit != null) {
+                append(' ')
+                append(unit)
+            }
+        }
+    }
+
+    fun totalFormat(context: Context, amount: Long): String {
+        val bytes = amount * multiplier
+        val units = context.getString(R.string.text_file_sizes_total).split('|')
+        if (bytes <= 0) {
+            return "0 ${units.first()}"
+        }
+        val digitGroups = (log10(bytes.toDouble()) / log10(1024.0)).toInt()
+        return buildString {
+            append(
+                DecimalFormat("#,##0.#").format(
+                    bytes / 1024.0.pow(digitGroups.toDouble()),
+                ),
+            )
+            val unit = units.getOrNull(digitGroups)
+            if (unit != null) {
+                append(' ')
+                append(unit)
+            }
+        }
+    }
+
+    fun showUnit(context: Context, amount: Long): String {
+        val bytes = amount * multiplier
+        val units = context.getString(R.string.text_file_sizes_used).split('|')
+        if (bytes <= 0) {
+            return units.first()
+        }
+        val digitGroups = (log10(bytes.toDouble()) / log10(1024.0)).toInt()
+        return buildString {
+            val unit = units.getOrNull(digitGroups)
+            if (unit != null) {
+                append(' ')
+                append(unit)
+            }
+        }
+    }
+
+    fun format(context: Context, amount: Long): String {
+        val bytes = amount * multiplier
+        val units = context.getString(R.string.text_file_sizes).split('|')
+        if (bytes <= 0) {
+            return "0 ${units.first()}"
+        }
+        val digitGroups = (log10(bytes.toDouble()) / log10(1024.0)).toInt()
+        return buildString {
+            append(
+                DecimalFormat("#,##0.#").format(
+                    bytes / 1024.0.pow(digitGroups.toDouble()),
+                ),
+            )
+            val unit = units.getOrNull(digitGroups)
+            if (unit != null) {
+                append(' ')
+                append(unit)
+            }
+        }
+    }
+
+    fun formatWithoutUnits(amount: Long): String {
+        val bytes = amount * multiplier
+        if (bytes <= 0) {
+            return "0"
+        }
+        val digitGroups = (log10(bytes.toDouble()) / log10(1024.0)).toInt()
+        return buildString {
+            append(
+                DecimalFormat("#,##0.#").format(
+                    bytes / 1024.0.pow(digitGroups.toDouble()),
+                ),
+            )
+        }
+    }
+}

app/src/main/java/org/xtimms/tokusho/utils/storage/File.kt

@@ -1,16 +0,0 @@
-package org.xtimms.tokusho.utils.storage
-
-import android.content.Context
-import android.net.Uri
-import androidx.core.content.FileProvider
-import org.xtimms.tokusho.BuildConfig
-import java.io.File
-
-/**
- * Returns the uri of a file
- *
- * @param context context of application
- */
-fun File.getUriCompat(context: Context): Uri {
-    return FileProvider.getUriForFile(context, BuildConfig.APPLICATION_ID + ".provider", this)
-}

app/src/main/java/org/xtimms/tokusho/utils/system/File.kt

@@ -1,5 +1,26 @@
 package org.xtimms.tokusho.utils.system
 
 import android.content.Context
+import android.net.Uri
+import androidx.core.content.FileProvider
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.runInterruptible
+import org.xtimms.tokusho.BuildConfig
+import java.io.File
+import kotlin.io.path.ExperimentalPathApi
+import kotlin.io.path.walk
 
-fun Context.getFileProvider() = "$packageName.provider"
+fun File.getUriCompat(context: Context): Uri {
+    return FileProvider.getUriForFile(context, BuildConfig.APPLICATION_ID + ".provider", this)
+}
+
+fun Context.getFileProvider() = "$packageName.provider"
+
+suspend fun File.computeSize(): Long = runInterruptible(Dispatchers.IO) {
+    walkCompat().sumOf { it.length() }
+}
+
+@OptIn(ExperimentalPathApi::class)
+fun File.walkCompat() =
+    // Use lazy loading on Android 8.0 and later
+    toPath().walk().map { it.toFile() }

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

@@ -80,4 +80,19 @@
     <string name="webview_version">WebView version</string>
     <string name="advanced_page">Dump crash logs, debug info</string>
     <string name="device_info">Device info</string>
+    <string name="storage">Storage</string>
+    <string name="free_up_space">Free up space</string>
+    <string name="free_up_space_hint">Choose what needs to be cleared</string>
+    <string name="saved_manga">Saved manga</string>
+    <string name="pages_cache">Pages cache</string>
+    <string name="other_cache">Other cache</string>
+    <string name="thumbnails_cache">Thumbnails cache</string>
+    <string name="network_cache">Network cache</string>
+    <string name="text_file_sizes">B|kB|MB|GB|TB</string>
+    <string name="computing_">Computing...</string>
+    <string name="text_file_sizes_total">B total|kB total|MB total|GB total|TB total</string>
+    <string name="text_file_sizes_used">B used|kB used|MB used|GB used|TB used</string>
+    <string name="text_file_sizes_free">B free|kB free|MB free|GB free|TB free</string>
+    <string name="confirm">Confirm</string>
+    <string name="free_up_space_summary">Space can be cleared:</string>
 </resources>