1 /* 2 * Copyright (C) 2020 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 package com.android.wallpaper.util; 17 18 import android.os.Bundle; 19 import android.os.Message; 20 import android.view.SurfaceControlViewHost; 21 import android.view.SurfaceView; 22 23 import androidx.annotation.Nullable; 24 25 /** Util class to generate surface view requests and parse responses */ 26 public class SurfaceViewUtils { 27 28 private static final String KEY_HOST_TOKEN = "host_token"; 29 private static final String KEY_VIEW_WIDTH = "width"; 30 private static final String KEY_VIEW_HEIGHT = "height"; 31 private static final String KEY_DISPLAY_ID = "display_id"; 32 private static final String KEY_SURFACE_PACKAGE = "surface_package"; 33 private static final String KEY_CALLBACK = "callback"; 34 35 /** Create a surface view request. */ createSurfaceViewRequest(SurfaceView surfaceView)36 public static Bundle createSurfaceViewRequest(SurfaceView surfaceView) { 37 return createSurfaceViewRequest(surfaceView, null); 38 } 39 40 /** Create a surface view request. */ createSurfaceViewRequest( SurfaceView surfaceView, @Nullable Bundle extras)41 public static Bundle createSurfaceViewRequest( 42 SurfaceView surfaceView, 43 @Nullable Bundle extras) { 44 Bundle bundle = new Bundle(); 45 bundle.putBinder(KEY_HOST_TOKEN, surfaceView.getHostToken()); 46 bundle.putInt(KEY_DISPLAY_ID, surfaceView.getDisplay().getDisplayId()); 47 bundle.putInt(KEY_VIEW_WIDTH, surfaceView.getWidth()); 48 bundle.putInt(KEY_VIEW_HEIGHT, surfaceView.getHeight()); 49 if (extras != null) { 50 bundle.putAll(extras); 51 } 52 return bundle; 53 } 54 55 /** Return the surface package. */ getSurfacePackage(Bundle bundle)56 public static SurfaceControlViewHost.SurfacePackage getSurfacePackage(Bundle bundle) { 57 return bundle.getParcelable(KEY_SURFACE_PACKAGE); 58 } 59 60 /** Return the message callback. */ getCallback(Bundle bundle)61 public static Message getCallback(Bundle bundle) { 62 return bundle.getParcelable(KEY_CALLBACK); 63 } 64 } 65