extension settings

This commit is contained in:
Finnley Somdahl 2023-10-29 19:45:11 -05:00
parent 9c0ef7a788
commit 3368a1bc8d
76 changed files with 2320 additions and 131 deletions

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package eu.kanade.tachiyomi.util.storage
import android.content.Context
import android.media.MediaScannerConnection
import android.net.Uri
import android.os.Environment
import android.os.StatFs
import androidx.core.content.ContextCompat
import com.hippo.unifile.UniFile
import eu.kanade.tachiyomi.util.lang.Hash
import java.io.File
object DiskUtil {
fun hashKeyForDisk(key: String): String {
return Hash.md5(key)
}
fun getDirectorySize(f: File): Long {
var size: Long = 0
if (f.isDirectory) {
for (file in f.listFiles().orEmpty()) {
size += getDirectorySize(file)
}
} else {
size = f.length()
}
return size
}
/**
* Gets the available space for the disk that a file path points to, in bytes.
*/
fun getAvailableStorageSpace(f: UniFile): Long {
return try {
val stat = StatFs(f.uri.path)
stat.availableBlocksLong * stat.blockSizeLong
} catch (_: Exception) {
-1L
}
}
/**
* Returns the root folders of all the available external storages.
*/
fun getExternalStorages(context: Context): List<File> {
return ContextCompat.getExternalFilesDirs(context, null)
.filterNotNull()
.mapNotNull {
val file = File(it.absolutePath.substringBefore("/Android/"))
val state = Environment.getExternalStorageState(file)
if (state == Environment.MEDIA_MOUNTED || state == Environment.MEDIA_MOUNTED_READ_ONLY) {
file
} else {
null
}
}
}
/**
* Don't display downloaded chapters in gallery apps creating `.nomedia`.
*/
fun createNoMediaFile(dir: UniFile?, context: Context?) {
if (dir != null && dir.exists()) {
val nomedia = dir.findFile(NOMEDIA_FILE)
if (nomedia == null) {
dir.createFile(NOMEDIA_FILE)
context?.let { scanMedia(it, dir.uri) }
}
}
}
/**
* Scans the given file so that it can be shown in gallery apps, for example.
*/
fun scanMedia(context: Context, uri: Uri) {
MediaScannerConnection.scanFile(context, arrayOf(uri.path), null, null)
}
/**
* Mutate the given filename to make it valid for a FAT filesystem,
* replacing any invalid characters with "_". This method doesn't allow hidden files (starting
* with a dot), but you can manually add it later.
*/
fun buildValidFilename(origName: String): String {
val name = origName.trim('.', ' ')
if (name.isEmpty()) {
return "(invalid)"
}
val sb = StringBuilder(name.length)
name.forEach { c ->
if (isValidFatFilenameChar(c)) {
sb.append(c)
} else {
sb.append('_')
}
}
// Even though vfat allows 255 UCS-2 chars, we might eventually write to
// ext4 through a FUSE layer, so use that limit minus 15 reserved characters.
return sb.toString().take(240)
}
/**
* Returns true if the given character is a valid filename character, false otherwise.
*/
private fun isValidFatFilenameChar(c: Char): Boolean {
if (0x00.toChar() <= c && c <= 0x1f.toChar()) {
return false
}
return when (c) {
'"', '*', '/', ':', '<', '>', '?', '\\', '|', 0x7f.toChar() -> false
else -> true
}
}
const val NOMEDIA_FILE = ".nomedia"
}

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@file:Suppress("PackageDirectoryMismatch")
package androidx.preference
/**
* Returns package-private [EditTextPreference.getOnBindEditTextListener]
*/
fun EditTextPreference.getOnBindEditTextListener(): EditTextPreference.OnBindEditTextListener? {
return onBindEditTextListener
}