/*
- * Copyright © 2017-2022 Soren Stoutner <soren@stoutner.com>.
+ * Copyright 2017-2023 Soren Stoutner <soren@stoutner.com>.
*
* This file is part of Privacy Browser Android <https://www.stoutner.com/privacy-browser-android>.
*
import android.app.Dialog
import android.content.Context
import android.content.DialogInterface
-import android.graphics.drawable.BitmapDrawable
-import android.graphics.drawable.Drawable
import android.os.Bundle
import android.view.WindowManager
import androidx.appcompat.app.AlertDialog
-import androidx.core.content.ContextCompat
import androidx.fragment.app.DialogFragment
import androidx.preference.PreferenceManager
import androidx.viewpager.widget.ViewPager
private const val WEBVIEW_FRAGMENT_ID = "webview_fragment_id"
class PinnedMismatchDialog : DialogFragment() {
- // Declare the class variables.
- private lateinit var pinnedMismatchListener: PinnedMismatchListener
-
- // The public interface is used to send information back to the parent activity.
- interface PinnedMismatchListener {
- fun pinnedErrorGoBack()
- }
-
- override fun onAttach(context: Context) {
- // Run the default commands.
- super.onAttach(context)
-
- // Get a handle for the listener from the launching context.
- pinnedMismatchListener = context as PinnedMismatchListener
- }
-
companion object {
- // `@JvmStatic` will no longer be required once all the code has transitioned to Kotlin. Also, the function can then be moved out of a companion object and just become a package-level function.
- @JvmStatic
fun displayDialog(webViewFragmentId: Long): PinnedMismatchDialog {
// Create an arguments bundle.
val argumentsBundle = Bundle()
}
}
- override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
- // Get the WebView fragment ID.
- val webViewFragmentId = requireArguments().getLong(WEBVIEW_FRAGMENT_ID)
-
- // Get the current position of this WebView fragment.
- val webViewPosition = MainWebViewActivity.webViewPagerAdapter.getPositionForId(webViewFragmentId)
+ // Declare the class variables.
+ private lateinit var pinnedMismatchListener: PinnedMismatchListener
- // Get the WebView tab fragment.
- val webViewTabFragment = MainWebViewActivity.webViewPagerAdapter.getPageFragment(webViewPosition)
+ // The public interface is used to send information back to the parent activity.
+ interface PinnedMismatchListener {
+ fun pinnedErrorGoBack()
+ }
- // Get the fragment view.
- val fragmentView = webViewTabFragment.requireView()
+ override fun onAttach(context: Context) {
+ // Run the default commands.
+ super.onAttach(context)
- // Get a handle for the current WebView.
- val nestedScrollWebView = fragmentView.findViewById<NestedScrollWebView>(R.id.nestedscroll_webview)!!
+ // Get a handle for the listener from the launching context.
+ pinnedMismatchListener = context as PinnedMismatchListener
+ }
- // Use an alert dialog builder to create the alert dialog.
- val dialogBuilder = AlertDialog.Builder(requireContext(), R.style.PrivacyBrowserAlertDialog)
+ override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+ // Try to create the dialog. This will fail if the app was restarted while the dialog is shown because the WebView view pager will not have been populated yet.
+ try {
+ // Get the WebView fragment ID.
+ val webViewFragmentId = requireArguments().getLong(WEBVIEW_FRAGMENT_ID)
- // Get the favorite icon.
- val favoriteIconBitmap = nestedScrollWebView.getFavoriteOrDefaultIcon()
+ // Get the current position of this WebView fragment.
+ val webViewPosition = MainWebViewActivity.webViewStateAdapter!!.getPositionForId(webViewFragmentId)
- // Get the default favorite icon drawable. `ContextCompat` must be used until API >= 21.
- val defaultFavoriteIconDrawable = ContextCompat.getDrawable(requireContext(), R.drawable.world)
+ // Get the WebView tab fragment.
+ val webViewTabFragment = MainWebViewActivity.webViewStateAdapter!!.getPageFragment(webViewPosition)
- // Cast the favorite icon drawable to a bitmap drawable.
- val defaultFavoriteIconBitmapDrawable = (defaultFavoriteIconDrawable as BitmapDrawable)
+ // Get the fragment view.
+ val fragmentView = webViewTabFragment.requireView()
- // Store the default icon bitmap.
- val defaultFavoriteIconBitmap = defaultFavoriteIconBitmapDrawable.bitmap
+ // Get a handle for the current WebView.
+ val nestedScrollWebView = fragmentView.findViewById<NestedScrollWebView>(R.id.nestedscroll_webview)!!
- // Set the favorite icon as the dialog icon if it exists.
- if (favoriteIconBitmap.sameAs(defaultFavoriteIconBitmap)) { // There is no website favorite icon.
- // Set the icon.
- dialogBuilder.setIcon(R.drawable.ssl_certificate_enabled)
- } else { // There is a favorite icon.
- // Create a drawable version of the favorite icon.
- val favoriteIconDrawable: Drawable = BitmapDrawable(resources, favoriteIconBitmap)
+ // Use an alert dialog builder to create the alert dialog.
+ val dialogBuilder = AlertDialog.Builder(requireContext(), R.style.PrivacyBrowserAlertDialog)
// Set the icon.
- dialogBuilder.setIcon(favoriteIconDrawable)
- }
+ dialogBuilder.setIcon(R.drawable.ssl_certificate)
- // Set the title.
- dialogBuilder.setTitle(R.string.pinned_mismatch)
+ // Set the title.
+ dialogBuilder.setTitle(R.string.pinned_mismatch)
- // Set the layout.
- dialogBuilder.setView(R.layout.pinned_mismatch_linearlayout)
+ // Set the layout.
+ dialogBuilder.setView(R.layout.pinned_mismatch_linearlayout)
- // Set the update button listener.
- dialogBuilder.setNeutralButton(R.string.update) { _: DialogInterface?, _: Int ->
- // Get the current SSL certificate.
- val currentSslCertificate = nestedScrollWebView.certificate!!
+ // Set the update button listener.
+ dialogBuilder.setNeutralButton(R.string.update) { _: DialogInterface?, _: Int ->
+ // Get the current SSL certificate.
+ val currentSslCertificate = nestedScrollWebView.certificate!!
- // Get the dates from the certificate.
- val currentSslStartDate = currentSslCertificate.validNotBeforeDate
- val currentSslEndDate = currentSslCertificate.validNotAfterDate
+ // Get the dates from the certificate.
+ val currentSslStartDate = currentSslCertificate.validNotBeforeDate
+ val currentSslEndDate = currentSslCertificate.validNotAfterDate
- // Convert the dates into longs. If the date is null, a long value of `0` will be stored in the domains database entry.
- val currentSslStartDateLong: Long = currentSslStartDate?.time ?: 0
- val currentSslEndDateLong: Long = currentSslEndDate?.time ?: 0
+ // Convert the dates into longs. If the date is null, a long value of `0` will be stored in the domains database entry.
+ val currentSslStartDateLong: Long = currentSslStartDate?.time ?: 0
+ val currentSslEndDateLong: Long = currentSslEndDate?.time ?: 0
- // Initialize the database handler.
- val domainsDatabaseHelper = DomainsDatabaseHelper(requireContext())
+ // Initialize the database handler.
+ val domainsDatabaseHelper = DomainsDatabaseHelper(requireContext())
- // Update the SSL certificate if it is pinned.
- if (nestedScrollWebView.hasPinnedSslCertificate()) {
- // Update the pinned SSL certificate in the domain database.
- domainsDatabaseHelper.updatePinnedSslCertificate(nestedScrollWebView.domainSettingsDatabaseId, currentSslCertificate.issuedTo.cName, currentSslCertificate.issuedTo.oName,
+ // Update the SSL certificate if it is pinned.
+ if (nestedScrollWebView.hasPinnedSslCertificate()) {
+ // Update the pinned SSL certificate in the domain database.
+ domainsDatabaseHelper.updatePinnedSslCertificate(nestedScrollWebView.domainSettingsDatabaseId, currentSslCertificate.issuedTo.cName, currentSslCertificate.issuedTo.oName,
currentSslCertificate.issuedTo.uName, currentSslCertificate.issuedBy.cName, currentSslCertificate.issuedBy.oName, currentSslCertificate.issuedBy.uName, currentSslStartDateLong,
currentSslEndDateLong)
- // Update the pinned SSL certificate in the nested scroll WebView.
- nestedScrollWebView.setPinnedSslCertificate(currentSslCertificate.issuedTo.cName, currentSslCertificate.issuedTo.oName, currentSslCertificate.issuedTo.uName,
+ // Update the pinned SSL certificate in the nested scroll WebView.
+ nestedScrollWebView.setPinnedSslCertificate(currentSslCertificate.issuedTo.cName, currentSslCertificate.issuedTo.oName, currentSslCertificate.issuedTo.uName,
currentSslCertificate.issuedBy.cName, currentSslCertificate.issuedBy.oName, currentSslCertificate.issuedBy.uName, currentSslStartDate, currentSslEndDate)
- }
+ }
- // Update the IP addresses if they are pinned.
- if (nestedScrollWebView.pinnedIpAddresses != "") {
- // Update the pinned IP addresses in the domain database.
- domainsDatabaseHelper.updatePinnedIpAddresses(nestedScrollWebView.domainSettingsDatabaseId, nestedScrollWebView. currentIpAddresses)
+ // Update the IP addresses if they are pinned.
+ if (nestedScrollWebView.pinnedIpAddresses != "") {
+ // Update the pinned IP addresses in the domain database.
+ domainsDatabaseHelper.updatePinnedIpAddresses(nestedScrollWebView.domainSettingsDatabaseId, nestedScrollWebView.currentIpAddresses)
- // Update the pinned IP addresses in the nested scroll WebView.
- nestedScrollWebView.pinnedIpAddresses = nestedScrollWebView.currentIpAddresses
+ // Update the pinned IP addresses in the nested scroll WebView.
+ nestedScrollWebView.pinnedIpAddresses = nestedScrollWebView.currentIpAddresses
+ }
}
- }
- // Set the back button listener.
- dialogBuilder.setNegativeButton(R.string.back) { _: DialogInterface?, _: Int ->
- if (nestedScrollWebView.canGoBack()) { // There is a back page in the history.
- // Invoke the navigate history listener in the calling activity. These commands cannot be run here because they need access to `applyDomainSettings()`.
- pinnedMismatchListener.pinnedErrorGoBack()
- } else { // There are no pages to go back to.
- // Load a blank page
- nestedScrollWebView.loadUrl("")
+ // Set the back button listener.
+ dialogBuilder.setNegativeButton(R.string.back) { _: DialogInterface?, _: Int ->
+ if (nestedScrollWebView.canGoBack()) { // There is a back page in the history.
+ // Invoke the navigate history listener in the calling activity. These commands cannot be run here because they need access to `applyDomainSettings()`.
+ pinnedMismatchListener.pinnedErrorGoBack()
+ } else { // There are no pages to go back to.
+ // Load a blank page
+ nestedScrollWebView.loadUrl("")
+ }
}
- }
- // Set the proceed button listener.
- dialogBuilder.setPositiveButton(R.string.proceed) { _: DialogInterface?, _: Int ->
- // Do not check the pinned information for this domain again until the domain changes.
- nestedScrollWebView.ignorePinnedDomainInformation = true
- }
+ // Set the proceed button listener.
+ dialogBuilder.setPositiveButton(R.string.proceed) { _: DialogInterface?, _: Int ->
+ // Do not check the pinned information for this domain again until the domain changes.
+ nestedScrollWebView.ignorePinnedDomainInformation = true
+ }
- // Create an alert dialog from the alert dialog builder.
- val alertDialog = dialogBuilder.create()
+ // Create an alert dialog from the alert dialog builder.
+ val alertDialog = dialogBuilder.create()
- // Get a handle for the shared preferences.
- val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(requireContext())
+ // Get a handle for the shared preferences.
+ val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(requireContext())
- // Get the screenshot preference.
- val allowScreenshots = sharedPreferences.getBoolean(getString(R.string.allow_screenshots_key), false)
+ // Get the screenshot preference.
+ val allowScreenshots = sharedPreferences.getBoolean(getString(R.string.allow_screenshots_key), false)
- // Disable screenshots if not allowed.
- if (!allowScreenshots) {
- // Disable screenshots.
- alertDialog.window!!.addFlags(WindowManager.LayoutParams.FLAG_SECURE)
- }
+ // Disable screenshots if not allowed.
+ if (!allowScreenshots) {
+ // Disable screenshots.
+ alertDialog.window!!.addFlags(WindowManager.LayoutParams.FLAG_SECURE)
+ }
+
+ // The alert dialog must be shown before items in the layout can be modified.
+ alertDialog.show()
- // The alert dialog must be shown before items in the layout can be modified.
- alertDialog.show()
+ // Get handles for the views.
+ val viewPager = alertDialog.findViewById<ViewPager>(R.id.pinned_ssl_certificate_mismatch_viewpager)!!
+ val tabLayout = alertDialog.findViewById<TabLayout>(R.id.pinned_ssl_certificate_mismatch_tablayout)!!
- // Get handles for the views.
- val viewPager = alertDialog.findViewById<ViewPager>(R.id.pinned_ssl_certificate_mismatch_viewpager)!!
- val tabLayout = alertDialog.findViewById<TabLayout>(R.id.pinned_ssl_certificate_mismatch_tablayout)!!
+ // Initialize the pinned mismatch pager adapter.
+ val pinnedMismatchPagerAdapter = PinnedMismatchPagerAdapter(requireContext(), layoutInflater, webViewFragmentId)
- // Initialize the pinned mismatch pager adapter.
- val pinnedMismatchPagerAdapter = PinnedMismatchPagerAdapter(requireContext(), layoutInflater, webViewFragmentId)
+ // Set the view pager adapter.
+ viewPager.adapter = pinnedMismatchPagerAdapter
- // Set the view pager adapter.
- viewPager.adapter = pinnedMismatchPagerAdapter
+ // Connect the tab layout to the view pager.
+ tabLayout.setupWithViewPager(viewPager)
- // Connect the tab layout to the view pager.
- tabLayout.setupWithViewPager(viewPager)
+ // Return the alert dialog.
+ return alertDialog
+ } catch (exception: Exception) { // The app was restarted while the dialog was displayed.
+ // Dismiss this new instance of the dialog. Amazingly, the old instance will be restored by Android and, even more amazingly, will be fully functional.
+ dismiss()
- // Return the alert dialog.
- return alertDialog
+ // Use an alert dialog builder to create an empty alert dialog.
+ val dialogBuilder = AlertDialog.Builder(requireContext(), R.style.PrivacyBrowserAlertDialog)
+
+ // Return the empty alert dialog.
+ return dialogBuilder.create()
+ }
}
-}
\ No newline at end of file
+}