/* * Copyright (C) 2018 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.quickstep.views; import android.content.Context; import android.graphics.Rect; import android.support.annotation.Nullable; import android.util.AttributeSet; import android.view.accessibility.AccessibilityNodeInfo; import android.widget.Button; public class ClearAllButton extends Button { RecentsView mRecentsView; public ClearAllButton(Context context, @Nullable AttributeSet attrs) { super(context, attrs); } public void setRecentsView(RecentsView recentsView) { mRecentsView = recentsView; } @Override public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { super.onInitializeAccessibilityNodeInfo(info); info.setParent(mRecentsView); // Pretend we are a part of the task carousel. } @Override protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { super.onFocusChanged(focused, direction, previouslyFocusedRect); if (focused) { mRecentsView.revealClearAllButton(); } } }