92 lines
3.5 KiB
Kotlin
92 lines
3.5 KiB
Kotlin
package sushi.hardcore.droidfs.util
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import android.content.Context
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import android.content.Intent
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import android.net.Uri
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import androidx.appcompat.app.AlertDialog
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import sushi.hardcore.droidfs.R
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import sushi.hardcore.droidfs.provider.TemporaryFileProvider
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import sushi.hardcore.droidfs.widgets.ColoredAlertDialog
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import java.io.File
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import java.net.URLConnection
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import java.util.*
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object ExternalProvider {
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private const val content_type_all = "*/*"
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private var cached_files: MutableList<Uri> = ArrayList()
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private fun get_content_type(filename: String, previous_content_type: String?): String? {
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if (content_type_all != previous_content_type) {
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var content_type = URLConnection.guessContentTypeFromName(filename)
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if (content_type == null) {
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content_type = content_type_all
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}
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if (previous_content_type == null) {
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return content_type
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} else if (previous_content_type != content_type) {
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return content_type_all
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}
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}
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return previous_content_type
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}
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private fun export_file(context: Context, gocryptfsVolume: GocryptfsVolume, file_path: String, previous_content_type: String?): Export_file_result {
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val filename = File(file_path).name
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val tmp_file_uri = TemporaryFileProvider.createFile(context, filename)
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cached_files.add(tmp_file_uri)
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if (gocryptfsVolume.export_file(context, file_path, tmp_file_uri)) {
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return Export_file_result(tmp_file_uri, get_content_type(filename, previous_content_type))
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}
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ColoredAlertDialog(context)
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.setTitle(R.string.error)
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.setMessage(context.getString(R.string.export_failed, file_path))
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.setPositiveButton(R.string.ok, null)
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.show()
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return Export_file_result(null, null)
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}
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fun share(context: Context, gocryptfsVolume: GocryptfsVolume, file_paths: List<String>) {
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var content_type: String? = null
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val uris = ArrayList<Uri>()
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for (path in file_paths) {
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val result = export_file(context, gocryptfsVolume, path, content_type)
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content_type = if (result.uri == null) {
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return
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} else {
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uris.add(result.uri!!)
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result.content_type
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}
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}
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val shareIntent = Intent()
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shareIntent.type = content_type
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if (uris.size == 1) {
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shareIntent.action = Intent.ACTION_SEND
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shareIntent.putExtra(Intent.EXTRA_STREAM, uris[0])
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} else {
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shareIntent.action = Intent.ACTION_SEND_MULTIPLE
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shareIntent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris)
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}
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context.startActivity(Intent.createChooser(shareIntent, context.getString(R.string.share_chooser)))
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}
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fun open(context: Context, gocryptfsVolume: GocryptfsVolume, file_path: String) {
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val result = export_file(context, gocryptfsVolume, file_path, null)
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result.uri?.let {
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val openIntent = Intent()
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openIntent.action = Intent.ACTION_VIEW
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openIntent.setDataAndType(result.uri, result.content_type)
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context.startActivity(openIntent)
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}
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}
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fun clear_cache(context: Context) {
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Thread{
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for (uri in cached_files) {
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if (Wiper.wipe(context, uri)){
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cached_files.remove(uri)
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}
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}
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}.start()
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}
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private class Export_file_result(var uri: Uri?, var content_type: String?)
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} |