1 /* 2 * Copyright (C) 2014 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.systemui.statusbar; 18 19 import android.content.Context; 20 import android.util.AttributeSet; 21 import android.widget.FrameLayout; 22 23 import com.android.systemui.animation.LaunchableView; 24 import com.android.systemui.animation.LaunchableViewDelegate; 25 26 import kotlin.Unit; 27 28 /** 29 * A frame layout which does not have overlapping renderings commands and therefore does not need a 30 * layer when alpha is changed. 31 */ 32 public class AlphaOptimizedFrameLayout extends FrameLayout implements LaunchableView 33 { 34 private final LaunchableViewDelegate mLaunchableViewDelegate = new LaunchableViewDelegate( 35 this, 36 visibility -> { 37 super.setVisibility(visibility); 38 return Unit.INSTANCE; 39 }); 40 AlphaOptimizedFrameLayout(Context context)41 public AlphaOptimizedFrameLayout(Context context) { 42 super(context); 43 } 44 AlphaOptimizedFrameLayout(Context context, AttributeSet attrs)45 public AlphaOptimizedFrameLayout(Context context, AttributeSet attrs) { 46 super(context, attrs); 47 } 48 AlphaOptimizedFrameLayout(Context context, AttributeSet attrs, int defStyleAttr)49 public AlphaOptimizedFrameLayout(Context context, AttributeSet attrs, int defStyleAttr) { 50 super(context, attrs, defStyleAttr); 51 } 52 AlphaOptimizedFrameLayout(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)53 public AlphaOptimizedFrameLayout(Context context, AttributeSet attrs, int defStyleAttr, 54 int defStyleRes) { 55 super(context, attrs, defStyleAttr, defStyleRes); 56 } 57 58 @Override hasOverlappingRendering()59 public boolean hasOverlappingRendering() { 60 return false; 61 } 62 63 @Override setShouldBlockVisibilityChanges(boolean block)64 public void setShouldBlockVisibilityChanges(boolean block) { 65 mLaunchableViewDelegate.setShouldBlockVisibilityChanges(block); 66 } 67 68 @Override setVisibility(int visibility)69 public void setVisibility(int visibility) { 70 mLaunchableViewDelegate.setVisibility(visibility); 71 } 72 } 73