mirror of
https://gitlab.com/nkming2/nc-photos.git
synced 2025-01-22 16:56:19 +01:00
Move native code to plugin
This commit is contained in:
Ming Ming
parent
8176e10dbe
commit
653c981a99
3 changed files with 163 additions and 96 deletions
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@ -1,17 +1,10 @@
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package com.nkming.nc_photos
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import android.app.Activity
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import android.content.ContentValues
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import android.content.Intent
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import android.net.Uri
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import android.os.Build
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import android.os.Environment
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import android.provider.MediaStore
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import androidx.annotation.RequiresApi
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import androidx.core.content.FileProvider
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import com.nkming.nc_photos.plugin.MediaStoreUtil
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import com.nkming.nc_photos.plugin.PermissionException
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import io.flutter.plugin.common.MethodCall
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import io.flutter.plugin.common.MethodChannel
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import java.io.*
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/*
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* Save downloaded item on device
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@ -55,100 +48,28 @@ class MediaStoreChannelHandler(activity: Activity) :
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private fun saveFileToDownload(
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fileName: String, content: ByteArray, result: MethodChannel.Result
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) {
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val stream = ByteArrayInputStream(content)
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writeFileToDownload(fileName, stream, result)
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try {
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val uri =
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MediaStoreUtil.saveFileToDownload(_context, fileName, content)
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result.success(uri.toString())
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} catch (e: PermissionException) {
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PermissionHandler.ensureWriteExternalStorage(_activity)
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result.error("permissionError", "Permission not granted", null)
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}
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}
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private fun copyFileToDownload(
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toFileName: String, fromFilePath: String, result: MethodChannel.Result
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) {
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val file = File(fromFilePath)
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val stream = file.inputStream()
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writeFileToDownload(toFileName, stream, result)
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}
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private fun writeFileToDownload(
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fileName: String, data: InputStream, result: MethodChannel.Result
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) {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
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writeFileToDownload29(fileName, data, result)
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} else {
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writeFileToDownload0(fileName, data, result)
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}
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}
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@RequiresApi(Build.VERSION_CODES.Q)
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private fun writeFileToDownload29(
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fileName: String, data: InputStream, result: MethodChannel.Result
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) {
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// Add a media item that other apps shouldn't see until the item is
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// fully written to the media store.
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val resolver = _context.applicationContext.contentResolver
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// Find all audio files on the primary external storage device.
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val collection = MediaStore.Downloads.getContentUri(
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MediaStore.VOLUME_EXTERNAL_PRIMARY
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try {
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val uri = MediaStoreUtil.copyFileToDownload(
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_context, toFileName, fromFilePath
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)
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val file = File(fileName)
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val details = ContentValues().apply {
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put(MediaStore.Downloads.DISPLAY_NAME, file.name)
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if (file.parent != null) {
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put(
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MediaStore.Downloads.RELATIVE_PATH,
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"${Environment.DIRECTORY_DOWNLOADS}/${file.parent}"
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)
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}
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}
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val contentUri = resolver.insert(collection, details)
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resolver.openFileDescriptor(contentUri!!, "w", null).use { pfd ->
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// Write data into the pending audio file.
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BufferedOutputStream(FileOutputStream(pfd!!.fileDescriptor)).use { stream ->
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data.copyTo(stream)
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}
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}
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result.success(contentUri.toString())
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}
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private fun writeFileToDownload0(
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fileName: String, data: InputStream, result: MethodChannel.Result
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) {
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if (!PermissionHandler.ensureWriteExternalStorage(_activity)) {
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result.success(uri.toString())
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} catch (e: PermissionException) {
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PermissionHandler.ensureWriteExternalStorage(_activity)
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result.error("permissionError", "Permission not granted", null)
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return
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}
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val path = Environment.getExternalStoragePublicDirectory(
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Environment.DIRECTORY_DOWNLOADS
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)
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var file = File(path, fileName)
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var count = 1
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while (file.exists()) {
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val f = File(fileName)
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file =
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File(path, "${f.nameWithoutExtension} ($count).${f.extension}")
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++count
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}
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file.parentFile?.mkdirs()
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BufferedOutputStream(FileOutputStream(file)).use { stream ->
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data.copyTo(stream)
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}
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val fileUri = Uri.fromFile(file)
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triggerMediaScan(fileUri)
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val contentUri = FileProvider.getUriForFile(
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_context, "${BuildConfig.APPLICATION_ID}.fileprovider", file
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)
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result.success(contentUri.toString())
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}
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private fun triggerMediaScan(uri: Uri) {
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val scanIntent = Intent().apply {
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action = Intent.ACTION_MEDIA_SCANNER_SCAN_FILE
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data = uri
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}
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_context.sendBroadcast(scanIntent)
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}
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private val _activity = activity
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@ -0,0 +1,3 @@
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package com.nkming.nc_photos.plugin
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class PermissionException(message: String) : Exception(message)
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@ -0,0 +1,143 @@
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package com.nkming.nc_photos.plugin
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import android.Manifest
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import android.content.ContentValues
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import android.content.Context
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import android.content.Intent
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import android.content.pm.PackageManager
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import android.net.Uri
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import android.os.Build
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import android.os.Environment
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import android.provider.MediaStore
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import androidx.annotation.RequiresApi
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import androidx.core.content.ContextCompat
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import androidx.core.content.FileProvider
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import java.io.*
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interface MediaStoreUtil {
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companion object {
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/**
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* Save the @c content as a file under the user Download dir
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*
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* @param context
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* @param filename Filename of the new file
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* @param content
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* @return Uri of the created file
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*/
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fun saveFileToDownload(
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context: Context, filename: String, content: ByteArray
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): Uri {
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val stream = ByteArrayInputStream(content)
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return writeFileToDownload(context, filename, stream)
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}
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/**
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* Copy a file from @c fromFilePath to the user Download dir
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*
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* @param context
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* @param toFilename Filename of the new file
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* @param fromFilePath Path of the file to be copied
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* @return Uri of the created file
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*/
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fun copyFileToDownload(
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context: Context, toFilename: String, fromFilePath: String
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): Uri {
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val file = File(fromFilePath)
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val stream = file.inputStream()
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return writeFileToDownload(context, toFilename, stream)
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}
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private fun writeFileToDownload(
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context: Context, filename: String, data: InputStream
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): Uri {
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return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
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writeFileToDownload29(context, filename, data)
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} else {
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writeFileToDownload0(context, filename, data)
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}
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}
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@RequiresApi(Build.VERSION_CODES.Q)
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private fun writeFileToDownload29(
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context: Context, filename: String, data: InputStream
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): Uri {
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// Add a media item that other apps shouldn't see until the item is
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// fully written to the media store.
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val resolver = context.applicationContext.contentResolver
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// Find all audio files on the primary external storage device.
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val collection = MediaStore.Downloads.getContentUri(
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MediaStore.VOLUME_EXTERNAL_PRIMARY
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)
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val file = File(filename)
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val details = ContentValues().apply {
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put(MediaStore.Downloads.DISPLAY_NAME, file.name)
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if (file.parent != null) {
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put(
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MediaStore.Downloads.RELATIVE_PATH,
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"${Environment.DIRECTORY_DOWNLOADS}/${file.parent}"
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)
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}
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}
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val contentUri = resolver.insert(collection, details)
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resolver.openFileDescriptor(contentUri!!, "w", null).use { pfd ->
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// Write data into the pending audio file.
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BufferedOutputStream(
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FileOutputStream(pfd!!.fileDescriptor)
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).use { stream ->
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data.copyTo(stream)
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}
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}
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return contentUri
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}
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private fun writeFileToDownload0(
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context: Context, filename: String, data: InputStream
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): Uri {
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if (ContextCompat.checkSelfPermission(
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context, Manifest.permission.WRITE_EXTERNAL_STORAGE
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) != PackageManager.PERMISSION_GRANTED
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) {
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throw PermissionException("Permission not granted")
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}
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@Suppress("Deprecation")
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val path = Environment.getExternalStoragePublicDirectory(
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Environment.DIRECTORY_DOWNLOADS
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)
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var file = File(path, filename)
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var count = 1
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while (file.exists()) {
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val f = File(filename)
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file = File(
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path,
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"${f.nameWithoutExtension} ($count).${f.extension}"
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)
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++count
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}
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file.parentFile?.mkdirs()
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BufferedOutputStream(FileOutputStream(file)).use { stream ->
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data.copyTo(stream)
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}
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val fileUri = Uri.fromFile(file)
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triggerMediaScan(context, fileUri)
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val contentUri = FileProvider.getUriForFile(
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context, "${context.packageName}.fileprovider", file
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)
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return contentUri
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}
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private fun triggerMediaScan(context: Context, uri: Uri) {
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val scanIntent = Intent().apply {
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@Suppress("Deprecation")
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action = Intent.ACTION_MEDIA_SCANNER_SCAN_FILE
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data = uri
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}
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context.sendBroadcast(scanIntent)
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}
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}
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}
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