2 * Copyright © 2016-2021 Soren Stoutner <soren@stoutner.com>.
4 * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
6 * Privacy Browser is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * Privacy Browser is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
20 package com.stoutner.privacybrowser.dialogs
22 import android.annotation.SuppressLint
23 import android.app.Dialog
24 import android.content.Context
25 import android.content.DialogInterface
26 import android.content.Intent
27 import android.content.res.Configuration
28 import android.os.Bundle
29 import android.text.Editable
30 import android.text.TextWatcher
31 import android.view.WindowManager
32 import android.widget.Button
33 import android.widget.EditText
35 import androidx.appcompat.app.AlertDialog
36 import androidx.fragment.app.DialogFragment
37 import androidx.preference.PreferenceManager
39 import com.stoutner.privacybrowser.R
41 // Define the class constants.
42 private const val SAVE_TYPE = "save_type"
44 class SaveDialog : DialogFragment() {
45 // Declare the class variables.
46 private lateinit var saveListener: SaveListener
47 private lateinit var fileName: String
49 // The public interface is used to send information back to the parent activity.
50 interface SaveListener {
51 fun onSave(saveType: Int, dialogFragment: DialogFragment)
54 override fun onAttach(context: Context) {
55 // Run the default commands.
56 super.onAttach(context)
58 // Get a handle for the save listener from the launching context.
59 saveListener = context as SaveListener
63 // Define the companion object constants. These can be moved to class constants once all of the code has transitioned to Kotlin.
64 const val SAVE_LOGCAT = 0
65 const val SAVE_ABOUT_VERSION_TEXT = 1
66 const val SAVE_ABOUT_VERSION_IMAGE = 2
68 // `@JvmStatic` will no longer be required once all the code has transitioned to Kotlin.
70 fun save(saveType: Int): SaveDialog {
71 // Create an arguments bundle.
72 val argumentsBundle = Bundle()
74 // Store the arguments in the bundle.
75 argumentsBundle.putInt(SAVE_TYPE, saveType)
77 // Create a new instance of the save dialog.
78 val saveDialog = SaveDialog()
80 // Add the arguments bundle to the new dialog.
81 saveDialog.arguments = argumentsBundle
83 // Return the new dialog.
88 // `@SuppressLint("InflateParams")` removes the warning about using null as the parent view group when inflating the alert dialog.
89 @SuppressLint("InflateParams")
90 override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
91 // Get the arguments from the bundle.
92 val saveType = requireArguments().getInt(SAVE_TYPE)
94 // Use an alert dialog builder to create the alert dialog.
95 val dialogBuilder = AlertDialog.Builder(requireContext(), R.style.PrivacyBrowserAlertDialog)
97 // Get the current theme status.
98 val currentThemeStatus = resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK
100 // Set the title and the icon according to the save type.
104 dialogBuilder.setTitle(R.string.save_logcat)
106 // Set the icon according to the theme.
107 if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
108 dialogBuilder.setIcon(R.drawable.save_dialog_day)
110 dialogBuilder.setIcon(R.drawable.save_dialog_night)
114 SAVE_ABOUT_VERSION_TEXT -> {
116 dialogBuilder.setTitle(R.string.save_text)
118 // Set the icon according to the theme.
119 if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
120 dialogBuilder.setIcon(R.drawable.save_text_blue_day)
122 dialogBuilder.setIcon(R.drawable.save_text_blue_night)
126 SAVE_ABOUT_VERSION_IMAGE -> {
128 dialogBuilder.setTitle(R.string.save_image)
130 // Set the icon according to the theme.
131 if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
132 dialogBuilder.setIcon(R.drawable.images_enabled_day)
134 dialogBuilder.setIcon(R.drawable.images_enabled_night)
139 // Set the view. The parent view is null because it will be assigned by the alert dialog.
140 dialogBuilder.setView(layoutInflater.inflate(R.layout.save_dialog, null))
142 // Set the cancel button listener. Using `null` as the listener closes the dialog without doing anything else.
143 dialogBuilder.setNegativeButton(R.string.cancel, null)
145 // Set the save button listener.
146 dialogBuilder.setPositiveButton(R.string.save) { _: DialogInterface?, _: Int ->
147 // Return the dialog fragment to the parent activity.
148 saveListener.onSave(saveType, this)
151 // Create an alert dialog from the builder.
152 val alertDialog = dialogBuilder.create()
154 // Get a handle for the shared preferences.
155 val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
157 // Get the screenshot preference.
158 val allowScreenshots = sharedPreferences.getBoolean(getString(R.string.allow_screenshots_key), false)
160 // Disable screenshots if not allowed.
161 if (!allowScreenshots) {
162 alertDialog.window!!.addFlags(WindowManager.LayoutParams.FLAG_SECURE)
165 // The alert dialog must be shown before items in the layout can be modified.
168 // Get handles for the layout items.
169 val fileNameEditText = alertDialog.findViewById<EditText>(R.id.file_name_edittext)!!
170 val browseButton = alertDialog.findViewById<Button>(R.id.browse_button)!!
171 val saveButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE)
173 // Initially disable the save button.
174 saveButton.isEnabled = false
176 // Update the status of the save button when the file name changes.
177 fileNameEditText.addTextChangedListener(object : TextWatcher {
178 override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {
182 override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
186 override fun afterTextChanged(s: Editable) {
187 // Get the current file name.
188 val fileNameString = fileNameEditText.text.toString()
190 // Enable the save button if the file name is populated.
191 saveButton.isEnabled = fileNameString.isNotEmpty()
195 // Set the file name according to the type.
197 SAVE_LOGCAT -> fileName = getString(R.string.privacy_browser_logcat_txt)
198 SAVE_ABOUT_VERSION_TEXT -> fileName = getString(R.string.privacy_browser_version_txt)
199 SAVE_ABOUT_VERSION_IMAGE -> fileName = getString(R.string.privacy_browser_version_png)
202 // Handle clicks on the browse button.
203 browseButton.setOnClickListener {
204 // Create the file picker intent.
205 val browseIntent = Intent(Intent.ACTION_CREATE_DOCUMENT)
207 // Set the intent MIME type to include all files so that everything is visible.
208 browseIntent.type = "*/*"
210 // Set the initial file name.
211 browseIntent.putExtra(Intent.EXTRA_TITLE, fileName)
213 // Request a file that can be opened.
214 browseIntent.addCategory(Intent.CATEGORY_OPENABLE)
216 // Launch the file picker. There is only one `startActivityForResult()`, so the request code is simply set to 0, but it must be run under `activity` so the response is processed correctly.
217 requireActivity().startActivityForResult(browseIntent, 0)
220 // Return the alert dialog.