/*
- * Copyright © 2016-2018 Soren Stoutner <soren@stoutner.com>.
+ * Copyright © 2016-2019 Soren Stoutner <soren@stoutner.com>.
*
* This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
*
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
-import android.support.annotation.NonNull;
-// `AppCompatDialogFragment` is required instead of `DialogFragment` or an error is produced on API <=22.
-import android.support.v7.app.AppCompatDialogFragment;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.KeyEvent;
import android.widget.RadioButton;
import android.widget.RadioGroup;
+import androidx.annotation.NonNull;
+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.activities.MainWebViewActivity;
import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper;
-public class EditBookmarkDialog extends AppCompatDialogFragment {
+public class EditBookmarkDialog extends DialogFragment {
// Instantiate the class variables.
private EditBookmarkListener editBookmarkListener;
- private int selectedBookmarkDatabaseId;
private EditText nameEditText;
private EditText urlEditText;
private RadioButton newIconRadioButton;
// The public interface is used to send information back to the parent activity.
public interface EditBookmarkListener {
- void onSaveBookmark(AppCompatDialogFragment dialogFragment, int selectedBookmarkDatabaseId);
+ void onSaveBookmark(DialogFragment dialogFragment, int selectedBookmarkDatabaseId);
}
public void onAttach(Context context) {
// Run the default commands.
super.onAttach(context);
- // Get a handle for `EditBookmarkListener` from `context`.
- try {
- editBookmarkListener = (EditBookmarkListener) context;
- } catch(ClassCastException exception) {
- throw new ClassCastException(context.toString() + " must implement EditBookmarkListener.");
- }
+ // Get a handle for `EditBookmarkListener` from the launching context.
+ editBookmarkListener = (EditBookmarkListener) context;
}
// Store the database ID in the arguments bundle.
return editBookmarkDialog;
}
+ // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
+ @SuppressLint("InflateParams")
@Override
- public void onCreate(Bundle savedInstanceState) {
- // Run the default commands.
- super.onCreate(savedInstanceState);
-
+ @NonNull
+ public Dialog onCreateDialog(Bundle savedInstanceState) {
// Remove the incorrect lint warning that `getInt()` might be null.
assert getArguments() != null;
// Store the bookmark database ID in the class variable.
- selectedBookmarkDatabaseId = getArguments().getInt("Database ID");
- }
+ int selectedBookmarkDatabaseId = getArguments().getInt("Database ID");
- // `@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) {
- // 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`.
+ // Initialize the database helper. 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 bookmark and move it to the first position.
- Cursor bookmarkCursor = bookmarksDatabaseHelper.getBookmarkCursor(selectedBookmarkDatabaseId);
+ Cursor bookmarkCursor = bookmarksDatabaseHelper.getBookmark(selectedBookmarkDatabaseId);
bookmarkCursor.moveToFirst();
// Use an alert dialog builder to create the alert dialog.
// Set the title.
dialogBuilder.setTitle(R.string.edit_bookmark);
- // Remove the incorrect lint warning that `getActivity()` might be null.
+ // Remove the incorrect lint warning that `getActivity().getLayoutInflater()` might be null.
assert getActivity() != null;
- // Set the view. The parent view is `null` because it will be assigned by `AlertDialog`.
+ // Set the view. The parent view is null because it will be assigned by the alert dialog.
dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.edit_bookmark_dialog, null));
- // Set the listener for the negative button.
+ // Set the cancel button listener.
dialogBuilder.setNegativeButton(R.string.cancel, (DialogInterface dialog, int which) -> {
- // Do nothing. The `AlertDialog` will close automatically.
+ // Do nothing. The alert dialog will close automatically.
});
- // Set the listener fo the positive button.
+ // Set the save button listener.
dialogBuilder.setPositiveButton(R.string.save, (DialogInterface dialog, int which) -> {
- // Return the `DialogFragment` to the parent activity on save.
+ // Return the dialog fragment to the parent activity.
editBookmarkListener.onSaveBookmark(EditBookmarkDialog.this, selectedBookmarkDatabaseId);
});
- // Create an alert dialog from the alert dialog builder.
+ // Create an alert dialog from the builder.
final AlertDialog alertDialog = dialogBuilder.create();
- // Remove the warning below that `getWindow()` might be null.
+ // remove the incorrect lint warning below that `getWindow().addFlags()` might be null.
assert alertDialog.getWindow() != null;
// Disable screenshots if not allowed.
alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
}
- // Show the keyboard when the alert dialog is displayed on the screen.
- alertDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
-
// The alert dialog must be shown before items in the layout can be modified.
alertDialog.show();
urlEditText = alertDialog.findViewById(R.id.edit_bookmark_url_edittext);
editButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
- // Get the current favorite icon byte array from the `Cursor`.
+ // Get the current favorite icon byte array from the cursor.
byte[] currentIconByteArray = bookmarkCursor.getBlob(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
- // Convert the byte array to a `Bitmap` beginning at the first byte and ending at the last.
+ // 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 `currentIconBitmap` in `edit_bookmark_current_icon`.
+ // Display the current icon bitmap.
currentIconImageView.setImageBitmap(currentIconBitmap);
- // Get a `Bitmap` of the favorite icon from `MainWebViewActivity` and display it in `edit_bookmark_web_page_favorite_icon`.
- newFavoriteIconImageView.setImageBitmap(MainWebViewActivity.favoriteIconBitmap);
+ // Get a copy of the favorite icon bitmap.
+ Bitmap favoriteIconBitmap = MainWebViewActivity.favoriteIconBitmap;
+
+ // Scale the favorite icon bitmap down if it is larger than 256 x 256. Filtering uses bilinear interpolation.
+ if ((favoriteIconBitmap.getHeight() > 256) || (favoriteIconBitmap.getWidth() > 256)) {
+ favoriteIconBitmap = Bitmap.createScaledBitmap(favoriteIconBitmap, 256, 256, true);
+ }
+
+ // Set the new favorite icon bitmap.
+ newFavoriteIconImageView.setImageBitmap(favoriteIconBitmap);
// Store the current bookmark name and URL.
currentName = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
currentUrl = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL));
- // Populate the `EditTexts`.
+ // Populate the edit texts.
nameEditText.setText(currentName);
urlEditText.setText(currentUrl);
}
});
- // Allow the `enter` key on the keyboard to save the bookmark from the bookmark name `EditText`.
+ // Allow the enter key on the keyboard to save the bookmark from the bookmark name edit text.
nameEditText.setOnKeyListener((View v, int keyCode, KeyEvent event) -> {
// Save the bookmark if the event is a key-down on the "enter" button.
if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER) && editButton.isEnabled()) { // The enter key was pressed and the edit button is enabled.
}
});
- // Allow the "enter" key on the keyboard to save the bookmark from the URL `EditText`.
+ // Allow the enter key on the keyboard to save the bookmark from the URL edit text.
urlEditText.setOnKeyListener((View v, int keyCode, KeyEvent event) -> {
// Save the bookmark if the event is a key-down on the "enter" button.
if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER) && editButton.isEnabled()) { // The enter key was pressed and the edit button is enabled.
// Trigger the `Listener` and return the DialogFragment to the parent activity.
editBookmarkListener.onSaveBookmark(EditBookmarkDialog.this, selectedBookmarkDatabaseId);
- // Manually dismiss the `AlertDialog`.
+ // Manually dismiss the alert dialog.
alertDialog.dismiss();
// Consume the event.
}
});
- // `onCreateDialog` requires the return of an `AlertDialog`.
+ // Return the alert dialog.
return alertDialog;
}