diff options
Diffstat (limited to 'ui/src/main/java/com/wireguard/android/util')
| -rw-r--r-- | ui/src/main/java/com/wireguard/android/util/DownloadsFileSaver.kt | 89 |
1 files changed, 55 insertions, 34 deletions
diff --git a/ui/src/main/java/com/wireguard/android/util/DownloadsFileSaver.kt b/ui/src/main/java/com/wireguard/android/util/DownloadsFileSaver.kt index 59cd526b..c8f4aa8d 100644 --- a/ui/src/main/java/com/wireguard/android/util/DownloadsFileSaver.kt +++ b/ui/src/main/java/com/wireguard/android/util/DownloadsFileSaver.kt @@ -4,67 +4,88 @@ */ package com.wireguard.android.util +import android.Manifest import android.content.ContentValues import android.content.Context +import android.content.pm.PackageManager import android.net.Uri import android.os.Build import android.os.Environment import android.provider.MediaStore import android.provider.MediaStore.MediaColumns +import androidx.activity.ComponentActivity +import androidx.activity.result.contract.ActivityResultContracts +import androidx.core.content.ContextCompat import com.wireguard.android.R +import kotlinx.coroutines.CompletableDeferred +import kotlinx.coroutines.Dispatchers +import kotlinx.coroutines.withContext import java.io.File import java.io.FileOutputStream import java.io.IOException import java.io.OutputStream object DownloadsFileSaver { - val needsWriteExternalStoragePermission = Build.VERSION.SDK_INT < Build.VERSION_CODES.Q - @Throws(Exception::class) - fun save(context: Context, name: String, mimeType: String?, overwriteExisting: Boolean) = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) { - val contentResolver = context.contentResolver - if (overwriteExisting) - contentResolver.delete(MediaStore.Downloads.EXTERNAL_CONTENT_URI, String.format("%s = ?", MediaColumns.DISPLAY_NAME), arrayOf(name)) - val contentValues = ContentValues() - contentValues.put(MediaColumns.DISPLAY_NAME, name) - contentValues.put(MediaColumns.MIME_TYPE, mimeType) - val contentUri = contentResolver.insert(MediaStore.Downloads.EXTERNAL_CONTENT_URI, contentValues) - ?: throw IOException(context.getString(R.string.create_downloads_file_error)) - val contentStream = contentResolver.openOutputStream(contentUri) - ?: throw IOException(context.getString(R.string.create_downloads_file_error)) - @Suppress("DEPRECATION") var cursor = contentResolver.query(contentUri, arrayOf(MediaColumns.DATA), null, null, null) - var path: String? = null - if (cursor != null) { - try { - if (cursor.moveToFirst()) - path = cursor.getString(0) - } finally { - cursor.close() - } - } - if (path == null) { - path = "Download/" - cursor = contentResolver.query(contentUri, arrayOf(MediaColumns.DISPLAY_NAME), null, null, null) + suspend fun save(context: ComponentActivity, name: String, mimeType: String?, overwriteExisting: Boolean) = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) { + withContext(Dispatchers.IO) { + val contentResolver = context.contentResolver + if (overwriteExisting) + contentResolver.delete(MediaStore.Downloads.EXTERNAL_CONTENT_URI, String.format("%s = ?", MediaColumns.DISPLAY_NAME), arrayOf(name)) + val contentValues = ContentValues() + contentValues.put(MediaColumns.DISPLAY_NAME, name) + contentValues.put(MediaColumns.MIME_TYPE, mimeType) + val contentUri = contentResolver.insert(MediaStore.Downloads.EXTERNAL_CONTENT_URI, contentValues) + ?: throw IOException(context.getString(R.string.create_downloads_file_error)) + val contentStream = contentResolver.openOutputStream(contentUri) + ?: throw IOException(context.getString(R.string.create_downloads_file_error)) + @Suppress("DEPRECATION") var cursor = contentResolver.query(contentUri, arrayOf(MediaColumns.DATA), null, null, null) + var path: String? = null if (cursor != null) { try { if (cursor.moveToFirst()) - path += cursor.getString(0) + path = cursor.getString(0) } finally { cursor.close() } } + if (path == null) { + path = "Download/" + cursor = contentResolver.query(contentUri, arrayOf(MediaColumns.DISPLAY_NAME), null, null, null) + if (cursor != null) { + try { + if (cursor.moveToFirst()) + path += cursor.getString(0) + } finally { + cursor.close() + } + } + } + DownloadsFile(context, contentStream, path, contentUri) } - DownloadsFile(context, contentStream, path, contentUri) } else { - @Suppress("DEPRECATION") val path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS) - val file = File(path, name) - if (!path.isDirectory && !path.mkdirs()) - throw IOException(context.getString(R.string.create_output_dir_error)) - DownloadsFile(context, FileOutputStream(file), file.absolutePath, null) + withContext(Dispatchers.Main.immediate) { + if (ContextCompat.checkSelfPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) { + val futureGrant = CompletableDeferred<Boolean>() + val activityResult = context.registerForActivityResult(ActivityResultContracts.RequestPermission(), futureGrant::complete) + activityResult.launch(Manifest.permission.WRITE_EXTERNAL_STORAGE) + val granted = futureGrant.await() + activityResult.unregister() + if (!granted) + return@withContext null + } + @Suppress("DEPRECATION") val path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS) + withContext(Dispatchers.IO) { + val file = File(path, name) + if (!path.isDirectory && !path.mkdirs()) + throw IOException(context.getString(R.string.create_output_dir_error)) + DownloadsFile(context, FileOutputStream(file), file.absolutePath, null) + } + } } class DownloadsFile(private val context: Context, val outputStream: OutputStream, val fileName: String, private val uri: Uri?) { - fun delete() { + suspend fun delete() = withContext(Dispatchers.IO) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) context.contentResolver.delete(uri!!, null, null) else |