--- /dev/null
+/*
+ * Copyright 2015-2017 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.AlertDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+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.view.KeyEvent;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.WindowManager;
+import android.widget.EditText;
+
+import com.stoutner.privacybrowser.activities.MainWebViewActivity;
+import com.stoutner.privacybrowser.R;
+
+public class CreateHomeScreenShortcutDialog extends AppCompatDialogFragment {
+ // The public interface is used to send information back to the parent activity.
+ public interface CreateHomeScreenSchortcutListener {
+ void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment);
+ }
+
+ //`createHomeScreenShortcutListener` is used in `onAttach()` and `onCreateDialog()`.
+ private CreateHomeScreenSchortcutListener createHomeScreenShortcutListener;
+
+ // Check to make sure that the parent activity implements the listener.
+ public void onAttach(Context context) {
+ super.onAttach(context);
+ try {
+ createHomeScreenShortcutListener = (CreateHomeScreenSchortcutListener) context;
+ } catch(ClassCastException exception) {
+ throw new ClassCastException(context.toString() + " must implement CreateHomeScreenShortcutListener.");
+ }
+ }
+
+ // `@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 activity's layout inflater.
+ LayoutInflater layoutInflater = getActivity().getLayoutInflater();
+
+ // Create a drawable version of the favorite icon.
+ Drawable favoriteIconDrawable = new BitmapDrawable(getResources(), MainWebViewActivity.favoriteIcon);
+
+ // Use `AlertDialog.Builder` to create the `AlertDialog`. `R.style.LightAlertDialog` formats the color of the button text.
+ AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.LightAlertDialog);
+ dialogBuilder.setTitle(R.string.create_shortcut);
+ dialogBuilder.setIcon(favoriteIconDrawable);
+ // The parent view is `null` because it will be assigned by `AlertDialog`.
+ dialogBuilder.setView(layoutInflater.inflate(R.layout.create_home_screen_shortcut_dialog, null));
+
+ // Set an `onClick` listener on the negative button.
+ dialogBuilder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+ // Do nothing if `Cancel` is clicked.
+ }
+ });
+
+ // Set an `onClick` listener on the positive button.
+ dialogBuilder.setPositiveButton(R.string.create, new DialogInterface.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+ createHomeScreenShortcutListener.onCreateHomeScreenShortcut(CreateHomeScreenShortcutDialog.this);
+ }
+ });
+
+
+ // Create an `AlertDialog` from the `AlertDialog.Builder`.
+ final AlertDialog alertDialog = dialogBuilder.create();
+
+ // Remove the warning below that `setSoftInputMode` might produce `java.lang.NullPointerException`.
+ 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);
+
+ // We need to show `alertDialog` before we can call `setOnKeyListener()` below.
+ alertDialog.show();
+
+ // Allow the "enter" key on the keyboard to create the shortcut.
+ EditText shortcutNameEditText = (EditText) alertDialog.findViewById(R.id.shortcut_name_edittext);
+ assert shortcutNameEditText != null; // Remove the warning below that shortcutNameEditText might be null.
+ shortcutNameEditText.setOnKeyListener(new View.OnKeyListener() {
+ public boolean onKey(View v, int keyCode, KeyEvent event) {
+ // If the event is a key-down on the "enter" button, select the PositiveButton "Create".
+ if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
+ // Trigger the create listener.
+ createHomeScreenShortcutListener.onCreateHomeScreenShortcut(CreateHomeScreenShortcutDialog.this);
+
+ // Manually dismiss `alertDialog`.
+ alertDialog.dismiss();
+
+ // Consume the event.
+ return true;
+ } else { // If any other key was pressed, do not consume the event.
+ return false;
+ }
+ }
+ });
+
+ // `onCreateDialog` requires the return of an `AlertDialog`.
+ return alertDialog;
+ }
+}
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projects / PrivacyBrowserAndroid.git / blobdiff