1 /* 2 * Copyright (C) 2024 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.wm.shell.windowdecor.viewholder 17 18 import android.app.ActivityManager.RunningTaskInfo 19 import android.content.Context 20 import android.view.View 21 import com.android.wm.shell.windowdecor.viewholder.WindowDecorationViewHolder.Data 22 23 /** 24 * Encapsulates the root [View] of a window decoration and its children to facilitate looking up 25 * children (via findViewById) and updating to the latest data from [RunningTaskInfo]. 26 */ 27 abstract class WindowDecorationViewHolder<T : Data>(rootView: View) : AutoCloseable { 28 val context: Context = rootView.context 29 30 /** 31 * A signal to the view holder that new data is available and that the views should be updated to 32 * reflect it. 33 */ bindDatanull34 abstract fun bindData(data: T) 35 36 /** Callback when the handle menu is opened. */ 37 abstract fun onHandleMenuOpened() 38 39 /** Callback when the handle menu is closed. */ 40 abstract fun onHandleMenuClosed() 41 42 /** Callback when the window decoration is destroyed. */ 43 abstract override fun close() 44 45 /** Data clas that contains the information needed to update the view holder. */ 46 abstract class Data 47 } 48