/*
- * Copyright © 2016-2021 Soren Stoutner <soren@stoutner.com>.
+ * Copyright 2016-2023 Soren Stoutner <soren@stoutner.com>.
*
- * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
+ * This file is part of Privacy Browser Android <https://www.stoutner.com/privacy-browser-android>.
*
- * Privacy Browser is free software: you can redistribute it and/or modify
+ * Privacy Browser Android 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,
+ * Privacy Browser Android 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/>.
+ * along with Privacy Browser Android. If not, see <http://www.gnu.org/licenses/>.
*/
package com.stoutner.privacybrowser.activities
-import android.content.Intent
-import android.net.Uri
import android.os.Bundle
import android.view.WindowManager
-import android.widget.EditText
-import android.widget.LinearLayout
import androidx.appcompat.app.AppCompatActivity
import androidx.appcompat.widget.Toolbar
-import androidx.fragment.app.DialogFragment
import androidx.preference.PreferenceManager
-import androidx.viewpager.widget.ViewPager
+import androidx.viewpager2.widget.ViewPager2
-import com.google.android.material.snackbar.Snackbar
import com.google.android.material.tabs.TabLayout
+import com.google.android.material.tabs.TabLayoutMediator
import com.stoutner.privacybrowser.R
-import com.stoutner.privacybrowser.adapters.AboutPagerAdapter
-import com.stoutner.privacybrowser.asynctasks.SaveAboutVersionImage
-import com.stoutner.privacybrowser.dialogs.SaveDialog
-import com.stoutner.privacybrowser.dialogs.SaveDialog.SaveListener
-import com.stoutner.privacybrowser.fragments.AboutVersionFragment
-
-import java.io.ByteArrayInputStream
-import java.io.InputStream
-import java.lang.Exception
-import java.nio.charset.StandardCharsets
-
-class AboutActivity : AppCompatActivity(), SaveListener {
- // Declare the class variables.
- private lateinit var aboutPagerAdapter: AboutPagerAdapter
-
- companion object {
- // Define the companion object constants. These can be move to being public constants once MainWebViewActivity has been converted to Kotlin.
- const val BLOCKLIST_VERSIONS = "blocklist_versions"
- }
+import com.stoutner.privacybrowser.adapters.AboutStateAdapter
+
+const val FILTERLIST_VERSIONS = "filterlist_versions"
+class AboutActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
// Get a handle for the shared preferences.
val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this)
window.addFlags(WindowManager.LayoutParams.FLAG_SECURE)
}
- // Set the theme.
- setTheme(R.style.PrivacyBrowser)
-
// Run the default commands.
super.onCreate(savedInstanceState)
// Get the intent that launched the activity.
val launchingIntent = intent
- // Store the blocklist versions.
- val blocklistVersions = launchingIntent.getStringArrayExtra(BLOCKLIST_VERSIONS)!!
+ // Get the filter list versions.
+ val filterListVersions = launchingIntent.getStringArrayExtra(FILTERLIST_VERSIONS)!!
// Set the content view.
- if (bottomAppBar) {
+ if (bottomAppBar)
setContentView(R.layout.about_bottom_appbar)
- } else {
+ else
setContentView(R.layout.about_top_appbar)
- }
// Get handles for the views.
val toolbar = findViewById<Toolbar>(R.id.about_toolbar)
val aboutTabLayout = findViewById<TabLayout>(R.id.about_tablayout)
- val aboutViewPager = findViewById<ViewPager>(R.id.about_viewpager)
+ val aboutViewPager2 = findViewById<ViewPager2>(R.id.about_viewpager2)
// Set the support action bar.
setSupportActionBar(toolbar)
// Display the home arrow on the action bar.
actionBar.setDisplayHomeAsUpEnabled(true)
- // Initialize the about pager adapter.
- aboutPagerAdapter = AboutPagerAdapter(supportFragmentManager, applicationContext, blocklistVersions)
+ // Initialize the about state adapter.
+ val aboutStateAdapter = AboutStateAdapter(this, filterListVersions)
// Set the view pager adapter.
- aboutViewPager.adapter = aboutPagerAdapter
-
- // Keep all the tabs in memory. This prevents the memory usage updater from running multiple times.
- aboutViewPager.offscreenPageLimit = 10
-
- // Connect the tab layout to the view pager.
- aboutTabLayout.setupWithViewPager(aboutViewPager)
- }
-
- // The activity result is called after browsing for a file in the save alert dialog.
- public override fun onActivityResult(requestCode: Int, resultCode: Int, returnedIntent: Intent?) {
- // Run the default commands.
- super.onActivityResult(requestCode, resultCode, returnedIntent)
-
- // Only do something if the user didn't press back from the file picker.
- if (resultCode == RESULT_OK) {
- // Get a handle for the save dialog fragment.
- val saveDialogFragment = supportFragmentManager.findFragmentByTag(getString(R.string.save_dialog)) as DialogFragment?
-
- // Only update the file name if the dialog still exists.
- if (saveDialogFragment != null) {
- // Get a handle for the save dialog.
- val saveDialog = saveDialogFragment.dialog!!
-
- // Get a handle for the file name edit text.
- val fileNameEditText = saveDialog.findViewById<EditText>(R.id.file_name_edittext)
-
- // Get the file name URI from the intent.
- val fileNameUri = returnedIntent!!.data
-
- // Get the file name string from the URI.
- val fileNameString = fileNameUri.toString()
-
- // Set the file name text.
- fileNameEditText.setText(fileNameString)
-
- // Move the cursor to the end of the file name edit text.
- fileNameEditText.setSelection(fileNameString.length)
+ aboutViewPager2.adapter = aboutStateAdapter
+
+ // Disable swiping between pages in the view pager.
+ aboutViewPager2.isUserInputEnabled = false
+
+ // Create a tab layout mediator. Tab numbers start at 0.
+ TabLayoutMediator(aboutTabLayout, aboutViewPager2) { tab, position ->
+ // Set the tab text based on the position.
+ tab.text = when (position) {
+ 0 -> getString(R.string.version)
+ 1 -> getString(R.string.permissions)
+ 2 -> getString(R.string.privacy_policy)
+ 3 -> getString(R.string.changelog)
+ 4 -> getString(R.string.licenses)
+ 5 -> getString(R.string.contributors)
+ 6 -> getString(R.string.links)
+ else -> ""
}
- }
- }
-
- override fun onSave(saveType: Int, dialogFragment: DialogFragment) {
- // Get a handle for the dialog.
- val dialog = dialogFragment.dialog!!
-
- // Get a handle for the file name edit text.
- val fileNameEditText = dialog.findViewById<EditText>(R.id.file_name_edittext)
-
- // Get the file name string.
- val fileNameString = fileNameEditText.text.toString()
-
- // Get a handle for the about version linear layout.
- val aboutVersionLinearLayout = findViewById<LinearLayout>(R.id.about_version_linearlayout)
-
- // Process the save event according to the type.
- when (saveType) {
- SaveDialog.SAVE_ABOUT_VERSION_TEXT -> try {
- // Get a handle for the about version fragment.
- val aboutVersionFragment = aboutPagerAdapter.getTabFragment(0) as AboutVersionFragment
-
- // Get the about version text.
- val aboutVersionString = aboutVersionFragment.aboutVersionString
-
- // Create an input stream with the contents of about version.
- val aboutVersionInputStream: InputStream = ByteArrayInputStream(aboutVersionString.toByteArray(StandardCharsets.UTF_8))
-
- // Open an output stream.
- val outputStream = contentResolver.openOutputStream(Uri.parse(fileNameString))!!
-
- // Copy the input stream to the output stream.
- aboutVersionInputStream.copyTo(outputStream, 2048)
-
- // Close the streams.
- aboutVersionInputStream.close()
- outputStream.close()
-
- // Display a snackbar with the saved about version information.
- Snackbar.make(aboutVersionLinearLayout, getString(R.string.file_saved) + " " + fileNameString, Snackbar.LENGTH_SHORT).show()
- } catch (exception: Exception) {
- // Display a snackbar with the error message.
- Snackbar.make(aboutVersionLinearLayout, getString(R.string.error_saving_file) + " " + exception.toString(), Snackbar.LENGTH_INDEFINITE).show()
- }
-
- SaveDialog.SAVE_ABOUT_VERSION_IMAGE ->
- // Save the about version image.
- SaveAboutVersionImage(this, fileNameString, aboutVersionLinearLayout).execute()
- }
+ }.attach()
}
}