/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

WI.HeapAllocationsTimelineDataGridNodePathComponent = class HeapAllocationsTimelineDataGridNodePathComponent extends WI.TimelineDataGridNodePathComponent
{
    // Protected

    get previousSibling()
    {
        let previousSibling = this.timelineDataGridNode.previousSibling;
        while (previousSibling && (previousSibling.hidden || previousSibling.record.heapSnapshot.invalid))
            previousSibling = previousSibling.previousSibling;

        if (!previousSibling)
            return null;

        return new WI.HeapAllocationsTimelineDataGridNodePathComponent(previousSibling);
    }

    get nextSibling()
    {
        let nextSibling = this.timelineDataGridNode.nextSibling;
        while (nextSibling && (nextSibling.hidden || nextSibling.record.heapSnapshot.invalid))
            nextSibling = nextSibling.nextSibling;

        if (!nextSibling)
            return null;

        return new WI.HeapAllocationsTimelineDataGridNodePathComponent(nextSibling);
    }
};