--- /dev/null
+/*
+ * Copyright © 2016-2020 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.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.graphics.drawable.BitmapDrawable
+import android.graphics.drawable.Drawable
+import android.os.Bundle
+import android.view.KeyEvent
+import android.view.View
+import android.view.WindowManager
+import android.widget.EditText
+
+import androidx.fragment.app.DialogFragment
+import androidx.preference.PreferenceManager
+
+import com.stoutner.privacybrowser.R
+
+import java.io.ByteArrayOutputStream
+
+class CreateBookmarkDialog: DialogFragment() {
+ // The public interface is used to send information back to the parent activity.
+ interface CreateBookmarkListener {
+ fun onCreateBookmark(dialogFragment: DialogFragment, favoriteIconBitmap: Bitmap)
+ }
+
+ // The create bookmark listener is initialized in `onAttach()` and used in `onCreateDialog()`.
+ private lateinit var createBookmarkListener: CreateBookmarkListener
+
+ override fun onAttach(context: Context) {
+ // Run the default commands.
+ super.onAttach(context)
+
+ // Get a handle for the create bookmark listener from the launching context.
+ createBookmarkListener = context as CreateBookmarkListener
+ }
+
+ 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 createBookmark(urlString: String, titleString: String, favoriteIconBitmap: Bitmap): CreateBookmarkDialog {
+ // Create a favorite icon byte array output stream.
+ val favoriteIconByteArrayOutputStream = ByteArrayOutputStream()
+
+ // Convert the favorite icon to a PNG and place it in the byte array output stream. `0` is for lossless compression (the only option for a PNG).
+ favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream)
+
+ // Convert the byte array output stream to a byte array.
+ val favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray()
+
+ // Create an arguments bundle.
+ val argumentsBundle = Bundle()
+
+ // Store the variables in the bundle.
+ argumentsBundle.putString("url_string", urlString)
+ argumentsBundle.putString("title_string", titleString)
+ argumentsBundle.putByteArray("favorite_icon_byte_array", favoriteIconByteArray)
+
+ // Create a new instance of the dialog.
+ val createBookmarkDialog = CreateBookmarkDialog()
+
+ // Add the bundle to the dialog.
+ createBookmarkDialog.arguments = argumentsBundle
+
+ // Return the new dialog.
+ return createBookmarkDialog
+ }
+ }
+
+ // `@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 contents of the arguments.
+ val urlString = arguments.getString("url_string")
+ val titleString = arguments.getString("title_string")
+ val favoriteIconByteArray = arguments.getByteArray("favorite_icon_byte_array")!!
+
+ // Convert the favorite icon byte array to a bitmap.
+ val favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.size)
+
+ // 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 dialog and set the style according to the theme.
+ val dialogBuilder = if (darkTheme) {
+ AlertDialog.Builder(context, R.style.PrivacyBrowserAlertDialogDark)
+ } else {
+ AlertDialog.Builder(context, R.style.PrivacyBrowserAlertDialogLight)
+ }
+
+ // Set the title.
+ dialogBuilder.setTitle(R.string.create_bookmark)
+
+ // Create a drawable version of the favorite icon.
+ val favoriteIconDrawable: Drawable = BitmapDrawable(resources, favoriteIconBitmap)
+
+ // Set the icon.
+ dialogBuilder.setIcon(favoriteIconDrawable)
+
+ // Set the view. The parent view is `null` because it will be assigned by the alert dialog.
+ dialogBuilder.setView(activity!!.layoutInflater.inflate(R.layout.create_bookmark_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 create button.
+ dialogBuilder.setPositiveButton(R.string.create) { _: DialogInterface, _: Int ->
+ // Return the dialog fragment and the favorite icon bitmap to the parent activity.
+ createBookmarkListener.onCreateBookmark(this, favoriteIconBitmap)
+ }
+
+ // 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 needs to be shown before the contents can be modified.
+ alertDialog.show()
+
+ // Get a handle for the edit texts.
+ val createBookmarkNameEditText: EditText = alertDialog.findViewById(R.id.create_bookmark_name_edittext)
+ val createBookmarkUrlEditText: EditText = alertDialog.findViewById(R.id.create_bookmark_url_edittext)
+
+ // Set the initial texts for the edit texts.
+ createBookmarkNameEditText.setText(titleString)
+ createBookmarkUrlEditText.setText(urlString)
+
+ // Allow the enter key on the keyboard to create the bookmark from the create bookmark name edit text.
+ createBookmarkNameEditText.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 create bookmark listener and return the dialog fragment and the favorite icon bitmap to the parent activity.
+ createBookmarkListener.onCreateBookmark(this, favoriteIconBitmap)
+
+ // 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
+ }
+ }
+
+ // Allow the enter key on the keyboard to create the bookmark from create bookmark URL edit text.
+ createBookmarkUrlEditText.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 create bookmark listener and return the dialog fragment and the favorite icon bitmap to the parent activity.
+ createBookmarkListener.onCreateBookmark(this, favoriteIconBitmap)
+
+ // 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