--- /dev/null
+/*
+ * Copyright © 2017-2020 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.annotation.SuppressLint
+import android.app.AlertDialog
+import android.app.Dialog
+import android.content.Context
+import android.content.DialogInterface
+import android.net.Uri
+import android.os.Bundle
+import android.text.Editable
+import android.text.TextWatcher
+import android.view.KeyEvent
+import android.view.View
+import android.view.WindowManager
+import android.widget.EditText
+import android.widget.TextView
+
+import androidx.fragment.app.DialogFragment
+import androidx.preference.PreferenceManager
+
+import com.stoutner.privacybrowser.R
+import com.stoutner.privacybrowser.helpers.DomainsDatabaseHelper
+
+class AddDomainDialog: DialogFragment() {
+ // The public interface is used to send information back to the parent activity.
+ interface AddDomainListener {
+ fun onAddDomain(dialogFragment: DialogFragment)
+ }
+
+ // The add domain listener is initialized in `onAttach()` and used in `onCreateDialog()`.
+ private lateinit var addDomainListener: AddDomainListener
+
+ override fun onAttach(context: Context) {
+ // Run the default commands.
+ super.onAttach(context)
+
+ // Get a handle for the listener from the launching context.
+ addDomainListener = context as AddDomainListener
+ }
+
+ 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 addDomain(urlString: String): AddDomainDialog {
+ // Create an arguments bundle.
+ val argumentsBundle = Bundle()
+
+ // Store the URL in the bundle.
+ argumentsBundle.putString("url_string", urlString)
+
+ // Create a new instance of the dialog.
+ val addDomainDialog = AddDomainDialog()
+
+ // Add the arguments bundle to the dialog.
+ addDomainDialog.arguments = argumentsBundle
+
+ // Return the new dialog.
+ return addDomainDialog
+ }
+ }
+
+ // `@SuppressLing("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 {
+ // Get the arguments.
+ val arguments = arguments!!
+
+ // Get the URL from the bundle.
+ val urlString = arguments.getString("url_string")
+
+ // Get a handle for the shared preferences.
+ val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
+
+ // Get the screenshot and theme preferences.
+ val allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false)
+ val darkTheme = sharedPreferences.getBoolean("dark_theme", false)
+
+ // Use an alert dialog builder to create the alert dialog.
+ val dialogBuilder: AlertDialog.Builder
+
+ // USet the style and the icon according to the theme.
+ if (darkTheme) {
+ // Set the dark style.
+ dialogBuilder = AlertDialog.Builder(context, R.style.PrivacyBrowserAlertDialogDark)
+
+ // Set the dark icon.
+ dialogBuilder.setIcon(R.drawable.domains_dark)
+ } else {
+ // Set the light style.
+ dialogBuilder = AlertDialog.Builder(context, R.style.PrivacyBrowserAlertDialogLight)
+
+ // Set the light icon.
+ dialogBuilder.setIcon(R.drawable.domains_light)
+ }
+
+ // Set the title.
+ dialogBuilder.setTitle(R.string.add_domain)
+
+ // Set the view. The parent view is `null` because it will be assigned by the alert dialog.
+ dialogBuilder.setView(activity!!.layoutInflater.inflate(R.layout.add_domain_dialog, null))
+
+ // Set a listener on the cancel button. Using `null` as the listener closes the dialog without doing anything else.
+ dialogBuilder.setNegativeButton(R.string.cancel, null)
+
+ // Set a listener on the add button.
+ dialogBuilder.setPositiveButton(R.string.add) { _: DialogInterface, _: Int ->
+ // Return the dialog fragment to the parent activity on add.
+ addDomainListener.onAddDomain(this)
+ }
+
+ // Create an alert dialog from the builder.
+ val alertDialog = dialogBuilder.create()
+
+ // Disable screenshots if not allowed.
+ if (!allowScreenshots) {
+ alertDialog.window!!.addFlags(WindowManager.LayoutParams.FLAG_SECURE)
+ }
+
+ // The alert dialog must be shown before the contents can be modified.
+ alertDialog.show()
+
+ // Initialize the domains database helper. The `0` specifies the database version, but that is ignored and set instead using a constant in domains database helper.
+ val domainsDatabaseHelper = DomainsDatabaseHelper(context, null, null, 0)
+
+ // Get handles for the views in the alert dialog.
+ val addDomainEditText: EditText = alertDialog.findViewById(R.id.domain_name_edittext)
+ val domainNameAlreadyExistsTextView: TextView = alertDialog.findViewById(R.id.domain_name_already_exists_textview)
+ val addButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE)
+
+ // Update the status of the warning text and the add button when the domain name changes.
+ addDomainEditText.addTextChangedListener(object: TextWatcher {
+ override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {
+ // Do nothing.
+ }
+
+ override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
+ // Do nothing.
+ }
+
+ override fun afterTextChanged(s: Editable) {
+ if (domainsDatabaseHelper.getCursorForDomainName(addDomainEditText.text.toString()).count > 0) { // The domain already exists.
+ // Show the warning text.
+ domainNameAlreadyExistsTextView.visibility = View.VISIBLE
+
+ // Disable the add button.
+ addButton.isEnabled = false
+ } else { // The domain do not yet exist.
+ // Hide the warning text.
+ domainNameAlreadyExistsTextView.visibility = View.GONE
+
+ // Enable the add button.
+ addButton.isEnabled = true
+ }
+ }
+ })
+
+ // Convert the URL string to a URI.
+ val currentUri = Uri.parse(urlString)
+
+ // Display the host in the add domain edit text.
+ addDomainEditText.setText(currentUri.host)
+
+ // Allow the enter key on the keyboard to create the domain from the add domain edit text.
+ addDomainEditText.setOnKeyListener { _: View, keyCode: Int, keyEvent: KeyEvent ->
+ // Check the key code and event.
+ if (keyCode == KeyEvent.KEYCODE_ENTER && keyEvent.action == KeyEvent.ACTION_DOWN) { // The event is a key-down on the enter key.
+ // Trigger the add domain listener and return the dialog fragment to the parent activity.
+ addDomainListener.onAddDomain(this)
+
+ // Manually dismiss the alert dialog.
+ alertDialog.dismiss()
+
+ // Consume the event.
+ return@setOnKeyListener true
+ } else { // Some other key was pressed.
+ // Do not consume the event.
+ return@setOnKeyListener false
+ }
+ }
+
+ // Return the alert dialog.
+ return alertDialog
+ }
+}
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projects / PrivacyBrowserAndroid.git / blobdiff