Source/WebCore/rendering/RenderMediaControls.cpp

/*
 * Copyright (C) 2009-2017 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. ``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
 * 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. 
 */

#include "config.h"
#include "RenderMediaControls.h"

#if ENABLE(VIDEO) && PLATFORM(WIN) && USE(CG)

#include "MediaControlElementTypes.h"
#include "RenderStyle.h"
#include <CoreGraphics/CoreGraphics.h>
#include <WebKitSystemInterface/WebKitSystemInterface.h>

namespace WebCore {

static const int mediaSliderThumbWidth = 13;
static const int mediaSliderThumbHeight = 14;

void RenderMediaControls::adjustMediaSliderThumbSize(RenderStyle& style)
{
    int part;
    switch (style.appearance()) {
    case MediaSliderThumbPart:
        part = MediaSliderThumb;
        break;
    case MediaVolumeSliderThumbPart:
        part = MediaVolumeSliderThumb;
        break;
    case MediaFullScreenVolumeSliderThumbPart:
        part = MediaFullScreenVolumeSliderThumb;
        break;
    default:
        return;
    }

    CGSize size;
    WKMeasureMediaUIPart(part, 0, &size);

    float zoomLevel = style.effectiveZoom();
    style.setWidth(Length(static_cast<int>(size.width * zoomLevel), Fixed));
    style.setHeight(Length(static_cast<int>(size.height * zoomLevel), Fixed));
}

}

#endif