/*
- * Copyright © 2016-2022 Soren Stoutner <soren@stoutner.com>.
+ * Copyright 2016-2022 Soren Stoutner <soren@stoutner.com>.
*
* This file is part of Privacy Browser Android <https://www.stoutner.com/privacy-browser-android>.
*
import android.widget.RadioButton;
import android.widget.TextView;
+import androidx.activity.OnBackPressedCallback;
import androidx.annotation.NonNull;
import androidx.appcompat.app.ActionBar;
import androidx.appcompat.app.AppCompatActivity;
private MenuItem moveBookmarkUpMenuItem;
private MenuItem moveBookmarkDownMenuItem;
- // `bookmarksDatabaseHelper` is used in `onCreate()`, `onOptionsItemSelected()`, `onBackPressed()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, `onSaveBookmark()`, `onSaveBookmarkFolder()`,
- // `onMoveToFolder()`, `deleteBookmarkFolderContents()`, `loadFolder()`, and `onDestroy()`.
+ // Declare the class variables.
private BookmarksDatabaseHelper bookmarksDatabaseHelper;
+ private Snackbar bookmarksDeletedSnackbar;
+ private boolean closeActivityAfterDismissingSnackbar;
// `bookmarksListView` is used in `onCreate()`, `onOptionsItemSelected()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, `onSaveBookmark()`, `onSaveBookmarkFolder()`, `onMoveToFolder()`,
// `updateMoveIcons()`, `scrollBookmarks()`, and `loadFolder()`.
// `oldFolderName` is used in `onCreate()` and `onSaveBookmarkFolder()`.
private String oldFolderNameString;
- // `bookmarksDeletedSnackbar` is used in `onCreate()`, `onOptionsItemSelected()`, and `onBackPressed()`.
- private Snackbar bookmarksDeletedSnackbar;
-
- // `closeActivityAfterDismissingSnackbar` is used in `onCreate()`, `onOptionsItemSelected()`, and `onBackPressed()`.
- private boolean closeActivityAfterDismissingSnackbar;
-
// The favorite icon byte array is populated in `onCreate()` and used in `onOptionsItemSelected()`.
private byte[] favoriteIconByteArray;
// Display the home arrow on the app bar.
appBar.setDisplayHomeAsUpEnabled(true);
+ // Control what the system back command does.
+ OnBackPressedCallback onBackPressedCallback = new OnBackPressedCallback(true) {
+ @Override
+ public void handleOnBackPressed() {
+ // Prepare to finish the activity.
+ prepareFinish();
+ }
+ };
+
+ // Register the on back pressed callback.
+ getOnBackPressedDispatcher().addCallback(this, onBackPressedCallback);
+
// Initialize the database helper.
bookmarksDatabaseHelper = new BookmarksDatabaseHelper(this);
// Close the activity if back has been pressed.
if (closeActivityAfterDismissingSnackbar) {
- onBackPressed();
+ finish();
}
}
});
// Run the command according to the selected option.
if (menuItemId == android.R.id.home) { // Home. The home arrow is identified as `android.R.id.home`, not just `R.id.home`.
if (currentFolder.isEmpty()) { // Currently in the home folder.
- // Run the back commands.
- onBackPressed();
+ // Prepare to finish the activity.
+ prepareFinish();
} else { // Currently in a subfolder.
// Place the former parent folder in `currentFolder`.
currentFolder = bookmarksDatabaseHelper.getParentFolderName(currentFolder);
return true;
}
- @Override
- public void onBackPressed() {
- // Check to see if a snackbar is currently displayed. If so, it must be closed before exiting so that a pending delete is completed before reloading the list view in the bookmarks drawer.
- if ((bookmarksDeletedSnackbar != null) && bookmarksDeletedSnackbar.isShown()) { // Close the bookmarks deleted snackbar before going home.
- // Set the close flag.
- closeActivityAfterDismissingSnackbar = true;
-
- // Dismiss the snackbar.
- bookmarksDeletedSnackbar.dismiss();
- } else { // Go home immediately.
- // Update the bookmarks folder for the bookmarks drawer in the main WebView activity.
- MainWebViewActivity.currentBookmarksFolder = currentFolder;
-
- // Close the bookmarks drawer and reload the bookmarks ListView when returning to the main WebView activity.
- MainWebViewActivity.restartFromBookmarksActivity = true;
-
- // Exit the bookmarks activity.
- super.onBackPressed();
- }
- }
-
@Override
public void onCreateBookmark(DialogFragment dialogFragment, Bitmap favoriteIconBitmap) {
// Get the alert dialog from the fragment.
}
}
+ private void prepareFinish() {
+ // Check to see if a snackbar is currently displayed. If so, it must be closed before exiting so that a pending delete is completed before reloading the list view in the bookmarks drawer.
+ if ((bookmarksDeletedSnackbar != null) && bookmarksDeletedSnackbar.isShown()) { // Close the bookmarks deleted snackbar before going home.
+ // Set the close flag.
+ closeActivityAfterDismissingSnackbar = true;
+
+ // Dismiss the snackbar.
+ bookmarksDeletedSnackbar.dismiss();
+ } else { // Go home immediately.
+ // Update the bookmarks folder for the bookmarks drawer in the main WebView activity.
+ MainWebViewActivity.currentBookmarksFolder = currentFolder;
+
+ // Close the bookmarks drawer and reload the bookmarks ListView when returning to the main WebView activity.
+ MainWebViewActivity.restartFromBookmarksActivity = true;
+
+ // Exit the bookmarks activity.
+ finish();
+ }
+ }
+
private void updateMoveIcons() {
// Get a long array of the selected bookmarks.
long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
// Run the default commands.
super.onDestroy();
}
-}
\ No newline at end of file
+}