/*
- * Copyright © 2016-2017 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.content.Context;
import android.content.DialogInterface;
import android.database.Cursor;
+import android.graphics.Bitmap;
import android.os.Bundle;
-import android.support.annotation.NonNull;
-// We have to use `AppCompatDialogFragment` 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.EditText;
import android.widget.ImageView;
-import com.stoutner.privacybrowser.activities.MainWebViewActivity;
+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 CreateBookmarkFolderDialog extends AppCompatDialogFragment {
+public class CreateBookmarkFolderDialog extends DialogFragment {
// The public interface is used to send information back to the parent activity.
public interface CreateBookmarkFolderListener {
- void onCreateBookmarkFolder(AppCompatDialogFragment dialogFragment);
+ void onCreateBookmarkFolder(DialogFragment dialogFragment);
}
// `createBookmarkFolderListener` is used in `onAttach()` and `onCreateDialog`.
public void onAttach(Context context) {
super.onAttach(context);
- // Get a handle for `createBookmarkFolderListener` from `context`.
- try {
- createBookmarkFolderListener = (CreateBookmarkFolderListener) context;
- } catch(ClassCastException exception) {
- throw new ClassCastException(context.toString() + " must implement CreateBookmarkFolderListener.");
- }
+ // Get a handle for `createBookmarkFolderListener` from the launching context.
+ createBookmarkFolderListener = (CreateBookmarkFolderListener) context;
}
// `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
@Override
@NonNull
public Dialog onCreateDialog(Bundle savedInstanceState) {
- // Use `AlertDialog.Builder` to create the `AlertDialog`.
+ // Use an alert dialog builder to create the alert dialog.
AlertDialog.Builder dialogBuilder;
// Set the style according to the theme.
// Set the title.
dialogBuilder.setTitle(R.string.create_folder);
- // Set the view. The parent view is `null` because it will be assigned by the `AlertDialog`.
+ // Remove the warning below that `getLayoutInflater()` might be null.
+ assert getActivity() != null;
+
+ // Set the view. The parent view is null because it will be assigned by the alert dialog.
dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.create_bookmark_folder_dialog, null));
// Set an `onClick()` listener for the negative button.
- dialogBuilder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
- @Override
- public void onClick(DialogInterface dialog, int which) {
- // Do nothing. The `AlertDialog` will close automatically.
- }
+ dialogBuilder.setNegativeButton(R.string.cancel, (DialogInterface dialog, int which) -> {
+ // Do nothing. The `AlertDialog` will close automatically.
});
// Set an `onClick()` listener fo the positive button.
- dialogBuilder.setPositiveButton(R.string.create, new DialogInterface.OnClickListener() {
- @Override
- public void onClick(DialogInterface dialog, int which) {
- // Return the `DialogFragment` to the parent activity on create.
- createBookmarkFolderListener.onCreateBookmarkFolder(CreateBookmarkFolderDialog.this);
- }
+ dialogBuilder.setPositiveButton(R.string.create, (DialogInterface dialog, int which) -> {
+ // Return the `DialogFragment` to the parent activity on create.
+ createBookmarkFolderListener.onCreateBookmarkFolder(CreateBookmarkFolderDialog.this);
});
- // Create an `AlertDialog` from the `AlertDialog.Builder`.
+ // Create an alert dialog from the `AlertDialog.Builder`.
final AlertDialog alertDialog = dialogBuilder.create();
- // Remove the warning below that `setSoftInputMode` might produce `java.lang.NullPointerException`.
+ // Remove the warning below that `getWindow()` might be null.
assert alertDialog.getWindow() != null;
- // Show the keyboard when the `Dialog` is displayed on the screen.
- alertDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
+ // Disable screenshots if not allowed.
+ if (!MainWebViewActivity.allowScreenshots) {
+ alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+ }
- // The `AlertDialog` must be shown before items in the alert dialog can be modified.
+ // The alert dialog must be shown before items in the alert dialog can be modified.
alertDialog.show();
- // 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`.
- final BookmarksDatabaseHelper bookmarksDatabaseHelper = new BookmarksDatabaseHelper(getContext(), null, null, 0);
-
- // Get a handle for the create button.
+ // Get handles for the views in the dialog.
final Button createButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
- EditText folderNameEditText = (EditText) alertDialog.findViewById(R.id.create_folder_name_edittext);
+ EditText folderNameEditText = alertDialog.findViewById(R.id.create_folder_name_edittext);
+ ImageView webPageIconImageView = alertDialog.findViewById(R.id.create_folder_web_page_icon);
// Initially disable the create button.
createButton.setEnabled(false);
+ // Initialize the database helper. The `0` specifies a database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
+ final BookmarksDatabaseHelper bookmarksDatabaseHelper = new BookmarksDatabaseHelper(getContext(), null, null, 0);
+
// Enable the create button if the new folder name is unique.
folderNameEditText.addTextChangedListener(new TextWatcher() {
@Override
String folderName = s.toString();
// Check if a folder with the name already exists.
- Cursor folderExistsCursor = bookmarksDatabaseHelper.getFolderCursor(folderName);
+ Cursor folderExistsCursor = bookmarksDatabaseHelper.getFolder(folderName);
// Enable the create button if the new folder name is not empty and doesn't already exist.
createButton.setEnabled(!folderName.isEmpty() && (folderExistsCursor.getCount() == 0));
}
});
- // Allow the `enter` key on the keyboard to create the folder from `create_folder_name_edittext`.
- folderNameEditText.setOnKeyListener(new View.OnKeyListener() {
- public boolean onKey(View v, int keyCode, KeyEvent event) {
- // If the event is a key-down on the `enter` key, select the `PositiveButton` `Create`.
- if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER) && createButton.isEnabled()) { // The enter key was pressed and the create button is enabled.
- // Trigger `createBookmarkFolderListener` and return the `DialogFragment` to the parent activity.
- createBookmarkFolderListener.onCreateBookmarkFolder(CreateBookmarkFolderDialog.this);
- // Manually dismiss the `AlertDialog`.
- alertDialog.dismiss();
- // Consume the event.
- return true;
- } else { // If any other key was pressed, or if the create button is currently disabled, do not consume the event.
- return false;
- }
+ // Allow the enter key on the keyboard to create the folder from `create_folder_name_edittext`.
+ folderNameEditText.setOnKeyListener((View v, int keyCode, KeyEvent event) -> {
+ // If the event is a key-down on the `enter` key, select the `PositiveButton` `Create`.
+ if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER) && createButton.isEnabled()) { // The enter key was pressed and the create button is enabled.
+ // Trigger `createBookmarkFolderListener` and return the `DialogFragment` to the parent activity.
+ createBookmarkFolderListener.onCreateBookmarkFolder(CreateBookmarkFolderDialog.this);
+ // Manually dismiss the `AlertDialog`.
+ alertDialog.dismiss();
+ // Consume the event.
+ return true;
+ } else { // If any other key was pressed, or if the create button is currently disabled, do not consume the event.
+ return false;
}
});
+ // 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);
+ }
+
// Display the current favorite icon.
- ImageView webPageIconImageView = (ImageView) alertDialog.findViewById(R.id.create_folder_web_page_icon);
- webPageIconImageView.setImageBitmap(MainWebViewActivity.favoriteIconBitmap);
+ webPageIconImageView.setImageBitmap(favoriteIconBitmap);
- // `onCreateDialog()` requires the return of an `AlertDialog`.
+ // Return the alert dialog.
return alertDialog;
}
}
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projects / PrivacyBrowserAndroid.git / blobdiff