1 /*
2  * Copyright (C) 2023 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.wallpaper.picker.preview.ui.util
18 
19 import android.view.SurfaceControlViewHost
20 import android.view.SurfaceHolder
21 import android.view.SurfaceView
22 import android.view.View
23 import android.view.ViewGroup
24 
25 object SurfaceViewUtil {
26 
attachViewnull27     fun SurfaceView.attachView(view: View, newWidth: Int = width, newHeight: Int = height) {
28         // Detach view from its parent, if the view has one
29         (view.parent as ViewGroup?)?.removeView(view)
30         val host = SurfaceControlViewHost(context, display, hostToken)
31         host.setView(view, newWidth, newHeight)
32         setChildSurfacePackage(checkNotNull(host.surfacePackage))
33     }
34 
35     interface SurfaceCallback : SurfaceHolder.Callback {
surfaceCreatednull36         override fun surfaceCreated(holder: SurfaceHolder) {}
37 
surfaceChangednull38         override fun surfaceChanged(holder: SurfaceHolder, format: Int, width: Int, height: Int) {}
39 
surfaceDestroyednull40         override fun surfaceDestroyed(holder: SurfaceHolder) {}
41     }
42 }
43