--- /dev/null
+/*
+ * Copyright © 2019-2021 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
+ *
+ * Privacy Browser is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Privacy Browser is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.stoutner.privacybrowser.dialogs
+
+import android.Manifest
+import android.annotation.SuppressLint
+import android.app.Dialog
+import android.content.Context
+import android.content.DialogInterface
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.content.res.Configuration
+import android.os.Bundle
+import android.text.Editable
+import android.text.TextWatcher
+import android.view.View
+import android.view.WindowManager
+import android.widget.Button
+import android.widget.EditText
+import android.widget.TextView
+
+import androidx.appcompat.app.AlertDialog
+import androidx.core.content.ContextCompat
+import androidx.fragment.app.DialogFragment
+import androidx.preference.PreferenceManager
+
+import com.stoutner.privacybrowser.R
+import com.stoutner.privacybrowser.activities.MainWebViewActivity
+import com.stoutner.privacybrowser.helpers.DownloadLocationHelper
+
+import java.io.File
+
+class OpenDialog : DialogFragment() {
+ // Define the open listener.
+ private lateinit var openListener: OpenListener
+
+ // The public interface is used to send information back to the parent activity.
+ interface OpenListener {
+ fun onOpen(dialogFragment: DialogFragment)
+ }
+
+ override fun onAttach(context: Context) {
+ // Run the default commands.
+ super.onAttach(context)
+
+ // Get a handle for the open listener from the launching context.
+ openListener = context as OpenListener
+ }
+
+ // `@SuppressLint("InflateParams")` removes the warning about using null as the parent view group when inflating the alert dialog.
+ @SuppressLint("InflateParams")
+ override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+ // Use an alert dialog builder to create the alert dialog.
+ val dialogBuilder = AlertDialog.Builder(requireContext(), R.style.PrivacyBrowserAlertDialog)
+
+ // Get the current theme status.
+ val currentThemeStatus = resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK
+
+ // Set the icon according to the theme.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
+ dialogBuilder.setIcon(R.drawable.proxy_enabled_day)
+ } else {
+ dialogBuilder.setIcon(R.drawable.proxy_enabled_night)
+ }
+
+ // Set the title.
+ dialogBuilder.setTitle(R.string.open)
+
+ // Set the view. The parent view is null because it will be assigned by the alert dialog.
+ dialogBuilder.setView(requireActivity().layoutInflater.inflate(R.layout.open_dialog, null))
+
+ // Set the cancel button listener. Using `null` as the listener closes the dialog without doing anything else.
+ dialogBuilder.setNegativeButton(R.string.cancel, null)
+
+ // Set the open button listener.
+ dialogBuilder.setPositiveButton(R.string.open) { _: DialogInterface?, _: Int ->
+ // Return the dialog fragment to the parent activity.
+ openListener.onOpen(this)
+ }
+
+ // Create an alert dialog from the builder.
+ val alertDialog = dialogBuilder.create()
+
+ // Get a handle for the shared preferences.
+ val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
+
+ // Get the screenshot preference.
+ val allowScreenshots = sharedPreferences.getBoolean(getString(R.string.allow_screenshots_key), false)
+
+ // Disable screenshots if not allowed.
+ if (!allowScreenshots) {
+ alertDialog.window!!.addFlags(WindowManager.LayoutParams.FLAG_SECURE)
+ }
+
+ // The alert dialog must be shown before items in the layout can be modified.
+ alertDialog.show()
+
+ // Get handles for the layout items.
+ val fileNameEditText = alertDialog.findViewById<EditText>(R.id.file_name_edittext)!!
+ val browseButton = alertDialog.findViewById<Button>(R.id.browse_button)!!
+ val fileDoesNotExistTextView = alertDialog.findViewById<TextView>(R.id.file_does_not_exist_textview)!!
+ val storagePermissionTextView = alertDialog.findViewById<TextView>(R.id.storage_permission_textview)!!
+ val openButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE)
+
+ // Update the status of the open button when the file name changes.
+ fileNameEditText.addTextChangedListener(object : TextWatcher {
+ override fun beforeTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {
+ // Do nothing.
+ }
+
+ override fun onTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {
+ // Do nothing.
+ }
+
+ override fun afterTextChanged(editable: Editable) {
+ // Get the current file name.
+ val fileNameString = fileNameEditText.text.toString()
+
+ // Convert the file name string to a file.
+ val file = File(fileNameString)
+
+ // Check to see if the file exists.
+ if (file.exists()) { // The file exists.
+ // Hide the notification that the file does not exist.
+ fileDoesNotExistTextView.visibility = View.GONE
+
+ // Enable the open button.
+ openButton.isEnabled = true
+ } else { // The file does not exist.
+ // Show the notification that the file does not exist.
+ fileDoesNotExistTextView.visibility = View.VISIBLE
+
+ // Disable the open button.
+ openButton.isEnabled = false
+ }
+ }
+ })
+
+ // Instantiate the download location helper.
+ val downloadLocationHelper = DownloadLocationHelper()
+
+ // Get the default file path.
+ val defaultFilePath = downloadLocationHelper.getDownloadLocation(context) + "/"
+
+ // Display the default file path.
+ fileNameEditText.setText(defaultFilePath)
+
+ // Move the cursor to the end of the default file path.
+ fileNameEditText.setSelection(defaultFilePath.length)
+
+ // Hide the storage permission text view if the permission has already been granted.
+ if (ContextCompat.checkSelfPermission(requireContext(), Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) {
+ storagePermissionTextView.visibility = View.GONE
+ }
+
+ // Handle clicks on the browse button.
+ browseButton.setOnClickListener {
+ // Create the file picker intent.
+ val browseIntent = Intent(Intent.ACTION_OPEN_DOCUMENT)
+
+ // Set the intent MIME type to include all files so that everything is visible.
+ browseIntent.type = "*/*"
+
+ // Start the file picker. This must be started under `activity` to that the request code is returned correctly.
+ requireActivity().startActivityForResult(browseIntent, MainWebViewActivity.BROWSE_OPEN_REQUEST_CODE)
+ }
+
+ // Return the alert dialog.
+ return alertDialog
+ }
+}
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projects / PrivacyBrowserAndroid.git / blobdiff