| /* |
| * Copyright (C) 2017 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.newbubble; |
| |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.support.annotation.NonNull; |
| import android.view.KeyEvent; |
| import android.widget.FrameLayout; |
| |
| /** |
| * ViewGroup that handles some overlay window concerns. Allows back button and configuration change |
| * events to be listened for via interfaces. |
| */ |
| public class NewWindowRoot extends FrameLayout { |
| |
| /** Callback for when the back button is pressed while this window is in focus */ |
| public interface OnBackPressedListener { |
| boolean onBackPressed(); |
| } |
| |
| /** Callback for when the Configuration changes for this window */ |
| public interface OnConfigurationChangedListener { |
| void onConfigurationChanged(Configuration newConfiguration); |
| } |
| |
| private OnBackPressedListener backPressedListener; |
| private OnConfigurationChangedListener configurationChangedListener; |
| |
| public NewWindowRoot(@NonNull Context context) { |
| super(context); |
| } |
| |
| public void setOnBackPressedListener(OnBackPressedListener listener) { |
| backPressedListener = listener; |
| } |
| |
| public void setOnConfigurationChangedListener(OnConfigurationChangedListener listener) { |
| configurationChangedListener = listener; |
| } |
| |
| @Override |
| public boolean dispatchKeyEvent(KeyEvent event) { |
| if (event.getKeyCode() == KeyEvent.KEYCODE_BACK && backPressedListener != null) { |
| if (event.getAction() == KeyEvent.ACTION_UP) { |
| return backPressedListener.onBackPressed(); |
| } |
| return true; |
| } |
| return super.dispatchKeyEvent(event); |
| } |
| |
| @Override |
| public void dispatchConfigurationChanged(Configuration newConfig) { |
| super.dispatchConfigurationChanged(newConfig); |
| if (configurationChangedListener != null) { |
| configurationChangedListener.onConfigurationChanged(newConfig); |
| } |
| } |
| } |