DrawingAreaImplWin.cpp   [plain text]


/*
 * Copyright (C) 2011 Apple Inc. All rights reserved.
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 *
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 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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#include "config.h"
#include "DrawingAreaImpl.h"

#include "ShareableBitmap.h"
#include "UpdateInfo.h"
#include "WebPage.h"
#include "WebPageProxyMessages.h"
#include "WindowGeometry.h"
#include <WebCore/GraphicsContext.h>

using namespace WebCore;

namespace WebKit {

void DrawingAreaImpl::scheduleChildWindowGeometryUpdate(const WindowGeometry& geometry)
{
#if USE(ACCELERATED_COMPOSITING)
    if (m_layerTreeHost) {
        m_layerTreeHost->scheduleChildWindowGeometryUpdate(geometry);
        return;
    }
#endif

    // FIXME: This should be a Messages::DrawingAreaProxy, and DrawingAreaProxy should pass the
    // data off to the WebPageProxy.
    m_webPage->send(Messages::WebPageProxy::ScheduleChildWindowGeometryUpdate(geometry));
}

PassOwnPtr<GraphicsContext> DrawingAreaImpl::createGraphicsContext(ShareableBitmap* bitmap)
{
    HDC bitmapDC = bitmap->windowsContext();
    // FIXME: We should really be checking m_webPage->draws[Transparent]Background() to determine
    // whether to have an alpha channel or not. But currently we always render into a non-layered
    // window, so the alpha channel doesn't matter anyway.
    return adoptPtr(new GraphicsContext(bitmapDC, false));
}

} // namespace WebKit