1 /* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 package com.android.launcher3.taskbar.navbutton 18 19 import android.content.res.Resources 20 import android.view.ViewGroup 21 import android.widget.ImageView 22 import android.widget.LinearLayout 23 import com.android.launcher3.R 24 import com.android.launcher3.taskbar.navbutton.NavButtonLayoutFactory.NavButtonLayoutter 25 26 /** 27 * Meant to be a simple container for data subclasses will need 28 * 29 * Assumes that the 3 navigation buttons (back/home/recents) have already been added to 30 * [navButtonContainer] 31 * 32 * @property navButtonContainer ViewGroup that holds the 3 navigation buttons. 33 * @property endContextualContainer ViewGroup that holds the end contextual button (ex, IME 34 * dismiss). 35 * @property startContextualContainer ViewGroup that holds the start contextual button (ex, A11y). 36 */ 37 abstract class AbstractNavButtonLayoutter( 38 val resources: Resources, 39 val navButtonContainer: LinearLayout, 40 protected val endContextualContainer: ViewGroup, 41 protected val startContextualContainer: ViewGroup 42 ) : NavButtonLayoutter { 43 protected val homeButton: ImageView = navButtonContainer.findViewById(R.id.home) 44 protected val recentsButton: ImageView = navButtonContainer.findViewById(R.id.recent_apps) 45 protected val backButton: ImageView = navButtonContainer.findViewById(R.id.back) 46 } 47