move PhotoProcessor to proper folder

app/src/main/kotlin/com/simplemobiletools/camera/PhotoProcessor.kt

@@ -0,0 +1,83 @@
+package com.simplemobiletools.camera
+
+import android.net.Uri
+import android.os.AsyncTask
+import android.os.Environment
+import android.util.Log
+import com.simplemobiletools.camera.activities.MainActivity
+import com.simplemobiletools.filepicker.extensions.getFileDocument
+import com.simplemobiletools.filepicker.extensions.needsStupidWritePermissions
+import com.simplemobiletools.filepicker.extensions.toast
+import java.io.*
+import java.lang.ref.WeakReference
+
+class PhotoProcessor(val activity: MainActivity, val uri: Uri?) : AsyncTask<ByteArray, Void, String>() {
+    companion object {
+        private val TAG = PhotoProcessor::class.java.simpleName
+        private var mActivity: WeakReference<MainActivity>? = null
+    }
+
+    init {
+        mActivity = WeakReference(activity)
+    }
+
+    override fun doInBackground(vararg params: ByteArray): String {
+        var fos: OutputStream? = null
+        val path: String
+        try {
+            if (uri != null) {
+                path = uri.path
+            } else {
+                path = Utils.getOutputMediaFile(activity, true)
+            }
+
+            if (path.isEmpty()) {
+                return ""
+            }
+
+            val photoFile = File(path)
+            if (activity.needsStupidWritePermissions(path)) {
+                val config = Config.newInstance(activity)
+                if (config.treeUri.isEmpty()) {
+                    activity.runOnUiThread {
+                        activity.toast(R.string.save_error_internal_storage)
+                    }
+                    config.savePhotosFolder = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM).toString()
+                    return ""
+                }
+                var document = activity.getFileDocument(path, config.treeUri)
+                document = document.createFile("", path.substring(path.lastIndexOf('/') + 1))
+                fos = activity.contentResolver.openOutputStream(document.uri)
+            } else {
+                fos = FileOutputStream(photoFile)
+            }
+
+            val data = params[0]
+            fos?.write(data)
+            fos?.close()
+            return photoFile.absolutePath
+        } catch (e: FileNotFoundException) {
+            Log.e(TAG, "PhotoProcessor file not found: " + e.message)
+        } catch (e: IOException) {
+            Log.e(TAG, "PhotoProcessor ioexception " + e.message)
+        } finally {
+            try {
+                fos?.close()
+            } catch (e: IOException) {
+                Log.e(TAG, "PhotoProcessor close ioexception " + e.message)
+            }
+        }
+
+        return ""
+    }
+
+    override fun onPostExecute(path: String) {
+        super.onPostExecute(path)
+        val listener = mActivity?.get()
+        listener?.mediaSaved(path)
+    }
+
+    interface MediaSavedListener {
+        fun mediaSaved(path: String)
+    }
+}