/* * Copyright (C) 2020 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.android.deskclock.actionbarmenu import android.app.Activity import android.view.Menu import android.view.MenuItem /** * [MenuItemController] for handling navigation up button in actionbar. It is a special * menu item because it's not inflated through menu.xml, and has its own predefined id. */ class NavUpMenuItemController(private val activity: Activity) : MenuItemController { override val id: Int = android.R.id.home override fun onCreateOptionsItem(menu: Menu) { // "Home" option is automatically created by the Toolbar. } override fun onPrepareOptionsItem(item: MenuItem) { } override fun onOptionsItemSelected(item: MenuItem): Boolean { activity.finish() return true } }