+++ /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.Dialog;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.SharedPreferences;
-import android.database.Cursor;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-import android.os.Bundle;
-import android.preference.PreferenceManager;
-import android.text.Editable;
-import android.text.TextWatcher;
-import android.view.KeyEvent;
-import android.view.View;
-import android.view.WindowManager;
-import android.widget.Button;
-import android.widget.EditText;
-import android.widget.ImageView;
-import android.widget.RadioButton;
-import android.widget.RadioGroup;
-
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.AlertDialog;
-import androidx.fragment.app.DialogFragment; // The AndroidX dialog fragment must be used or an error is produced on API <=22.
-
-import com.stoutner.privacybrowser.R;
-import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper;
-
-import java.io.ByteArrayOutputStream;
-
-public class EditBookmarkFolderDialog extends DialogFragment {
- // Instantiate the class variable.
- private EditBookmarkFolderListener editBookmarkFolderListener;
-
- // The public interface is used to send information back to the parent activity.
- public interface EditBookmarkFolderListener {
- void onSaveBookmarkFolder(DialogFragment dialogFragment, int selectedFolderDatabaseId, Bitmap favoriteIconBitmap);
- }
-
- public void onAttach(@NonNull Context context) {
- // Run the default commands.
- super.onAttach(context);
-
- // Get a handle for `EditFolderListener` from the launching context.
- editBookmarkFolderListener = (EditBookmarkFolderListener) context;
- }
-
- // Store the database ID in the arguments bundle.
- public static EditBookmarkFolderDialog folderDatabaseId(int databaseId, Bitmap favoriteIconBitmap) {
- // Create a favorite icon byte array output stream.
- ByteArrayOutputStream favoriteIconByteArrayOutputStream = new 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.
- byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray();
-
- // Create an arguments bundle
- Bundle argumentsBundle = new Bundle();
-
- // Store the variables in the bundle.
- argumentsBundle.putInt("database_id", databaseId);
- argumentsBundle.putByteArray("favorite_icon_byte_array", favoriteIconByteArray);
-
- // Create a new instance of the dialog.
- EditBookmarkFolderDialog editBookmarkFolderDialog = new EditBookmarkFolderDialog();
-
- // Add the arguments bundle to the dialog.
- editBookmarkFolderDialog.setArguments(argumentsBundle);
-
- // Return the new dialog.
- return editBookmarkFolderDialog;
- }
-
- // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
- @SuppressLint("InflateParams")
- @Override
- @NonNull
- public Dialog onCreateDialog(Bundle savedInstanceState) {
- // Get the arguments.
- Bundle arguments = getArguments();
-
- // Remove the incorrect lint warning below that the arguments might be null.
- assert arguments != null;
-
- // Store the folder database ID in the class variable.
- int selectedFolderDatabaseId = arguments.getInt("database_id");
-
- // Get the favorite icon byte array.
- byte[] favoriteIconByteArray = arguments.getByteArray("favorite_icon_byte_array");
-
- // Remove the incorrect lint warning below that the favorite icon byte array might be null.
- assert favoriteIconByteArray != null;
-
- // Convert the favorite icon byte array to a bitmap.
- Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
-
- // Initialize the database helper. The two `nulls` do not specify the database name or a `CursorFactory`. The `0` specifies a database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
- BookmarksDatabaseHelper bookmarksDatabaseHelper = new BookmarksDatabaseHelper(getContext(), null, null, 0);
-
- // Get a cursor with the selected folder and move it to the first position.
- Cursor folderCursor = bookmarksDatabaseHelper.getBookmark(selectedFolderDatabaseId);
- folderCursor.moveToFirst();
-
- // Use an alert dialog builder to create the alert dialog.
- AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(requireContext(), R.style.PrivacyBrowserAlertDialog);
-
- // Set the title.
- dialogBuilder.setTitle(R.string.edit_folder);
-
- // Remove the incorrect lint warning that `getActivity()` might be null.
- assert getActivity() != null;
-
- // Set the view. The parent view is `null` because it will be assigned by `AlertDialog`.
- dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.edit_bookmark_folder_dialog, null));
-
- // Set the listener for the negative button.
- dialogBuilder.setNegativeButton(R.string.cancel, (DialogInterface dialog, int which) -> {
- // Do nothing. The `AlertDialog` will close automatically.
- });
-
- // Set the listener fo the positive button.
- dialogBuilder.setPositiveButton(R.string.save, (DialogInterface dialog, int which) -> {
- // Return the `DialogFragment` to the parent activity on save.
- editBookmarkFolderListener.onSaveBookmarkFolder(this, selectedFolderDatabaseId, favoriteIconBitmap);
- });
-
- // Create an alert dialog from the alert dialog builder.
- AlertDialog alertDialog = dialogBuilder.create();
-
- // Remove the warning below that `getWindow()` might be null.
- assert alertDialog.getWindow() != null;
-
- // Get a handle for the shared preferences.
- SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getContext());
-
- // Get the screenshot preference.
- boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
-
- // Disable screenshots if not allowed.
- if (!allowScreenshots) {
- alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
- }
-
- // The alert dialog must be shown before items in the layout can be modified.
- alertDialog.show();
-
- // Get handles for the views in the alert dialog.
- RadioGroup iconRadioGroup = alertDialog.findViewById(R.id.edit_folder_icon_radio_group);
- RadioButton currentIconRadioButton = alertDialog.findViewById(R.id.edit_folder_current_icon_radiobutton);
- ImageView currentIconImageView = alertDialog.findViewById(R.id.edit_folder_current_icon_imageview);
- ImageView webPageFavoriteIconImageView = alertDialog.findViewById(R.id.edit_folder_web_page_favorite_icon_imageview);
- EditText folderNameEditText = alertDialog.findViewById(R.id.edit_folder_name_edittext);
- Button editButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
-
- // Remove the incorrect lint warnings below that the views might be null.
- assert iconRadioGroup != null;
- assert currentIconRadioButton != null;
- assert currentIconImageView != null;
- assert webPageFavoriteIconImageView != null;
- assert folderNameEditText != null;
-
- // Initially disable the edit button.
- editButton.setEnabled(false);
-
- // Get the current favorite icon byte array from the Cursor.
- byte[] currentIconByteArray = folderCursor.getBlob(folderCursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
-
- // Convert the byte array to a bitmap beginning at the first byte and ending at the last.
- Bitmap currentIconBitmap = BitmapFactory.decodeByteArray(currentIconByteArray, 0, currentIconByteArray.length);
-
- // Display the current icon bitmap.
- currentIconImageView.setImageBitmap(currentIconBitmap);
-
- // Set the new favorite icon bitmap.
- webPageFavoriteIconImageView.setImageBitmap(favoriteIconBitmap);
-
- // Get the current folder name.
- String currentFolderName = folderCursor.getString(folderCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
-
- // Display the current folder name in `edit_folder_name_edittext`.
- folderNameEditText.setText(currentFolderName);
-
- // Update the status of the edit button when the folder name is changed.
- folderNameEditText.addTextChangedListener(new TextWatcher() {
- @Override
- public void beforeTextChanged(CharSequence s, int start, int count, int after) {
- // Do nothing.
- }
-
- @Override
- public void onTextChanged(CharSequence s, int start, int before, int count) {
- // Do nothing.
- }
-
- @Override
- public void afterTextChanged(Editable s) {
- // Convert the current text to a string.
- String newFolderName = s.toString();
-
- // Get a cursor for the new folder name if it exists.
- Cursor folderExistsCursor = bookmarksDatabaseHelper.getFolder(newFolderName);
-
- // Is the new folder name empty?
- boolean folderNameNotEmpty = !newFolderName.isEmpty();
-
- // Does the folder name already exist?
- boolean folderNameAlreadyExists = (!newFolderName.equals(currentFolderName) && (folderExistsCursor.getCount() > 0));
-
- // Has the folder been renamed?
- boolean folderRenamed = (!newFolderName.equals(currentFolderName) && !folderNameAlreadyExists);
-
- // Has the favorite icon changed?
- boolean iconChanged = (!currentIconRadioButton.isChecked() && !folderNameAlreadyExists);
-
- // Enable the create button if something has been edited and the new folder name is valid.
- editButton.setEnabled(folderNameNotEmpty && (folderRenamed || iconChanged));
- }
- });
-
- // Update the status of the edit button when the icon is changed.
- iconRadioGroup.setOnCheckedChangeListener((RadioGroup group, int checkedId) -> {
- // Get the new folder name.
- String newFolderName = folderNameEditText.getText().toString();
-
- // Get a cursor for the new folder name if it exists.
- Cursor folderExistsCursor = bookmarksDatabaseHelper.getFolder(newFolderName);
-
- // Is the new folder name empty?
- boolean folderNameEmpty = newFolderName.isEmpty();
-
- // Does the folder name already exist?
- boolean folderNameAlreadyExists = (!newFolderName.equals(currentFolderName) && (folderExistsCursor.getCount() > 0));
-
- // Has the folder been renamed?
- boolean folderRenamed = (!newFolderName.equals(currentFolderName) && !folderNameAlreadyExists);
-
- // Has the favorite icon changed?
- boolean iconChanged = (!currentIconRadioButton.isChecked() && !folderNameAlreadyExists);
-
- // Enable the create button if something has been edited and the new folder name is valid.
- editButton.setEnabled(!folderNameEmpty && (folderRenamed || iconChanged));
- });
-
- // Allow the `enter` key on the keyboard to save the bookmark from `edit_bookmark_name_edittext`.
- folderNameEditText.setOnKeyListener((View v, int keyCode, KeyEvent event) -> {
- // If the event is a key-down on the "enter" button, select the PositiveButton `Save`.
- if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER) && editButton.isEnabled()) { // The enter key was pressed and the edit button is enabled.
- // Trigger `editBookmarkListener` and return the DialogFragment to the parent activity.
- editBookmarkFolderListener.onSaveBookmarkFolder(this, selectedFolderDatabaseId, favoriteIconBitmap);
-
- // Manually dismiss the `AlertDialog`.
- alertDialog.dismiss();
-
- // Consume the event.
- return true;
- } else { // If any other key was pressed, or if the edit button is currently disabled, do not consume the event.
- return false;
- }
- });
-
- // `onCreateDialog` requires the return of an `AlertDialog`.
- return alertDialog;
- }
-}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff