| /* |
| * Copyright (C) 2021 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.systemui.car.userswitcher; |
| |
| import android.content.Context; |
| import android.util.AttributeSet; |
| import android.view.KeyEvent; |
| import android.widget.LinearLayout; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| |
| /** Container for the user switcher which intercepts the key events. */ |
| public class UserSwitcherContainer extends LinearLayout { |
| |
| private KeyEventHandler mKeyEventHandler; |
| |
| public UserSwitcherContainer(@NonNull Context context) { |
| super(context); |
| } |
| |
| public UserSwitcherContainer(@NonNull Context context, @Nullable AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| public UserSwitcherContainer(@NonNull Context context, @Nullable AttributeSet attrs, |
| int defStyleAttr) { |
| super(context, attrs, defStyleAttr); |
| } |
| |
| public UserSwitcherContainer(@NonNull Context context, @Nullable AttributeSet attrs, |
| int defStyleAttr, int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| } |
| |
| @Override |
| public boolean dispatchKeyEvent(KeyEvent event) { |
| if (super.dispatchKeyEvent(event)) { |
| return true; |
| } |
| |
| if (mKeyEventHandler != null) { |
| return mKeyEventHandler.dispatchKeyEvent(event); |
| } |
| |
| return false; |
| } |
| |
| /** Sets a {@link KeyEventHandler} to help interact with the notification panel. */ |
| public void setKeyEventHandler(KeyEventHandler keyEventHandler) { |
| mKeyEventHandler = keyEventHandler; |
| } |
| |
| /** An interface to help interact with the notification panel. */ |
| public interface KeyEventHandler { |
| /** Allows handling of a {@link KeyEvent} if it wasn't already handled by the superclass. */ |
| boolean dispatchKeyEvent(KeyEvent event); |
| } |
| } |