/*
- * 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.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
+import android.content.SharedPreferences;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
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.preference.PreferenceManager;
import android.view.KeyEvent;
import android.view.View;
import android.view.WindowManager;
import android.widget.EditText;
-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;
-public class CreateBookmarkDialog extends AppCompatDialogFragment {
+import java.io.ByteArrayOutputStream;
+
+public class CreateBookmarkDialog extends DialogFragment {
// The public interface is used to send information back to the parent activity.
public interface CreateBookmarkListener {
- void onCreateBookmark(AppCompatDialogFragment dialogFragment);
+ void onCreateBookmark(DialogFragment dialogFragment, Bitmap favoriteIconBitmap);
}
- // `createBookmarkListener` is used in `onAttach()` and `onCreateDialog()`
+ // The create bookmark listener is initialized in `onAttach()` and used in `onCreateDialog()`.
private CreateBookmarkListener createBookmarkListener;
-
- public void onAttach(Context context) {
+ public void onAttach(@NonNull Context context) {
+ // Run the default commands.
super.onAttach(context);
- // Get a handle for `CreateBookmarkListener` from `context`.
- try {
- createBookmarkListener = (CreateBookmarkListener) context;
- } catch(ClassCastException exception) {
- throw new ClassCastException(context.toString() + " must implement `CreateBookmarkListener`.");
- }
+ // Get a handle for the create bookmark listener from the launching context.
+ createBookmarkListener = (CreateBookmarkListener) context;
+ }
+
+ public static CreateBookmarkDialog createBookmark(String url, String title, 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.putString("url", url);
+ argumentsBundle.putString("title", title);
+ argumentsBundle.putByteArray("favorite_icon_byte_array", favoriteIconByteArray);
+
+ // Create a new instance of the dialog.
+ CreateBookmarkDialog createBookmarkDialog = new CreateBookmarkDialog();
+
+ // Add the bundle to the dialog.
+ createBookmarkDialog.setArguments(argumentsBundle);
+
+ // Return the new dialog.
+ return createBookmarkDialog;
}
// `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
@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;
+
+ // Get the strings from the arguments.
+ String url = arguments.getString("url");
+ String title = arguments.getString("title");
+
+ // 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);
+
+ // Get a handle for the shared preferences.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getContext());
+
+ // Get the theme and screenshot preferences.
+ boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false);
+ boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
+
// Create a drawable version of the favorite icon.
- Drawable favoriteIconDrawable = new BitmapDrawable(getResources(), MainWebViewActivity.favoriteIcon);
+ Drawable favoriteIconDrawable = new BitmapDrawable(getResources(), favoriteIconBitmap);
+
+ // Use an alert dialog builder to create the alert dialog.
+ AlertDialog.Builder dialogBuilder;
+
+ // Set the style according to the theme.
+ if (darkTheme) {
+ dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogDark);
+ } else {
+ dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogLight);
+ }
- // Use `AlertDialog.Builder` to create the `AlertDialog`. The style formats the color of the button text.
- AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.LightAlertDialog);
+ // Set the title and icon.
dialogBuilder.setTitle(R.string.create_bookmark);
dialogBuilder.setIcon(favoriteIconDrawable);
- // 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 `AlertDialog`.
dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.create_bookmark_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 for 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.
- createBookmarkListener.onCreateBookmark(CreateBookmarkDialog.this);
- }
+ dialogBuilder.setPositiveButton(R.string.create, (DialogInterface dialog, int which) -> {
+ // Return the `DialogFragment` to the parent activity.
+ createBookmarkListener.onCreateBookmark(this, favoriteIconBitmap);
});
-
// Create an `AlertDialog` from the `AlertDialog.Builder`.
- final AlertDialog alertDialog = dialogBuilder.create();
+ 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;
+ // Disable screenshots if not allowed.
+ if (!allowScreenshots) {
+ alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+ }
+
// Show the keyboard when the `AlertDialog` is displayed on the screen.
alertDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
- // We need to show the `AlertDialog` before we can call `setOnKeyListener()` below.
+ // The alert dialog needs to be shown before `setOnKeyListener()` can be called.
alertDialog.show();
// Get a handle for `create_bookmark_name_edittext`.
- EditText createBookmarkNameEditText = (EditText) alertDialog.findViewById(R.id.create_bookmark_name_edittext);
+ EditText createBookmarkNameEditText = alertDialog.findViewById(R.id.create_bookmark_name_edittext);
// Set the current `WebView` title as the text for `create_bookmark_name_edittext`.
- createBookmarkNameEditText.setText(MainWebViewActivity.webViewTitle);
-
- // Allow the `enter` key on the keyboard to create the bookmark from `create_bookmark_name_edittext`.
- createBookmarkNameEditText.setOnKeyListener(new View.OnKeyListener() {
- public boolean onKey(View view, int keyCode, KeyEvent event) {
- // If the event is a key-down on the `enter` key, select the `PositiveButton` `Create`.
- if ((keyCode == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN)) {
- // Trigger `createBookmarkListener` and return the `DialogFragment` to the parent activity.
- createBookmarkListener.onCreateBookmark(CreateBookmarkDialog.this);
- // Manually dismiss the `AlertDialog`.
- alertDialog.dismiss();
- // Consume the event.
- return true;
- } else { // If any other key was pressed, do not consume the event.
- return false;
- }
+ createBookmarkNameEditText.setText(title);
+
+ // Allow the `enter` key on the keyboard to create the bookmark from the create bookmark name edittext`.
+ createBookmarkNameEditText.setOnKeyListener((View view, int keyCode, KeyEvent keyEvent) -> {
+ // If the event is a key-down on the `enter` key, select the create button.
+ if ((keyCode == KeyEvent.KEYCODE_ENTER) && (keyEvent.getAction() == KeyEvent.ACTION_DOWN)) {
+ // 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 true;
+ } else { // Some other key was pressed.
+ // Do not consume the event.
+ return false;
}
});
- // Set the formattedUrlString as the initial text of `create_bookmark_url_edittext`.
- EditText createBookmarkUrlEditText = (EditText) alertDialog.findViewById(R.id.create_bookmark_url_edittext);
- createBookmarkUrlEditText.setText(MainWebViewActivity.formattedUrlString);
-
- // Allow the `enter` key on the keyboard to create the bookmark from `create_bookmark_url_edittext`.
- createBookmarkUrlEditText.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 ((keyCode == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN)) {
- // Trigger `createBookmarkListener` and return the DialogFragment to the parent activity.
- createBookmarkListener.onCreateBookmark(CreateBookmarkDialog.this);
- // Manually dismiss the `AlertDialog`.
- alertDialog.dismiss();
- // Consume the event.
- return true;
- } else { // If any other key was pressed, do not consume the event.
- return false;
- }
+ // Set the formatted URL string as the initial text of the create bookmark URL edit text.
+ EditText createBookmarkUrlEditText = alertDialog.findViewById(R.id.create_bookmark_url_edittext);
+ createBookmarkUrlEditText.setText(url);
+
+ // Allow the enter key on the keyboard to create the bookmark from create bookmark URL edit text.
+ createBookmarkUrlEditText.setOnKeyListener((View v, int keyCode, KeyEvent keyEvent) -> {
+ // If the event is a key-down on the `enter` key, select the create button.
+ if ((keyCode == KeyEvent.KEYCODE_ENTER) && (keyEvent.getAction() == KeyEvent.ACTION_DOWN)) {
+ // 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 true;
+ } else { // Some other key was pressed.
+ // Do not consume the event.
+ return false;
}
});
- // `onCreateDialog()` requires the return of an `AlertDialog`.
+ // Return the alert dialog.
return alertDialog;
}
}
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