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path: root/quickstep/src/com/android/quickstep/views/ClearAllButton.java
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/*
 * 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();
        }
    }
}