v17/leanback/src/android/support/v17/leanback/widget/PlaybackControlsRowView.java

/*
 * Copyright (C) 2015 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 android.support.v17.leanback.widget;

import android.content.Context;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.view.View;
import android.widget.LinearLayout;

/**
 * A LinearLayout that preserves the focused child view.
 * @hide
 */
class PlaybackControlsRowView extends LinearLayout {
    public PlaybackControlsRowView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public PlaybackControlsRowView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

    @Override
    protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) {
        final View focused = findFocus();
        if (focused != null && focused.requestFocus(direction, previouslyFocusedRect)) {
            return true;
        }
        return super.onRequestFocusInDescendants(direction, previouslyFocusedRect);
    }
}