/*

 * Copyright (C) 2010 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.

 */

#include "LayerBackedDrawingAreaProxy.h"

#include "DrawingAreaMessageKinds.h"

#include "DrawingAreaProxyMessageKinds.h"

#include <QuartzCore/QuartzCore.h>

#include "WKAPICast.h"

#include "WKView.h"

#include "WKViewInternal.h"

#include "WebKitSystemInterface.h"

#include "WebPageProxy.h"

using namespace WebCore;

namespace WebKit {

WebPageProxy* LayerBackedDrawingAreaProxy::page()

{

    return toWK([m_webView pageRef]);

}

void LayerBackedDrawingAreaProxy::platformSetSize()

{

    [m_compositingRootLayer.get() setBounds:CGRectMake(0, 0, m_viewSize.width(), m_viewSize.height())];

}

void LayerBackedDrawingAreaProxy::attachCompositingContext(uint32_t contextID)

{

#if HAVE(HOSTED_CORE_ANIMATION)

    m_compositingRootLayer = WKMakeRenderLayer(contextID);

    // Turn off default animations.

    NSNull *nullValue = [NSNull null];

    NSDictionary *actions = [NSDictionary dictionaryWithObjectsAndKeys:

                             nullValue, @"anchorPoint",

                             nullValue, @"bounds",

                             nullValue, @"contents",

                             nullValue, @"contentsRect",

                             nullValue, @"opacity",

                             nullValue, @"position",

                             nullValue, @"sublayerTransform",

                             nullValue, @"sublayers",

                             nullValue, @"transform",

                             nil];

    [m_compositingRootLayer.get() setStyle:[NSDictionary dictionaryWithObject:actions forKey:@"actions"]];

    [m_compositingRootLayer.get() setAnchorPoint:CGPointZero];

    [m_compositingRootLayer.get() setBounds:CGRectMake(0, 0, m_viewSize.width(), m_viewSize.height())];

    // FIXME: this fixes the layer jiggle when resizing the window, but breaks layer flipping because

    // CA doesn't propagate the kCALayerFlagFlippedAbove through the remote layer.

    // [m_compositingRootLayer.get() setGeometryFlipped:YES];

#ifndef NDEBUG

    [m_compositingRootLayer.get() setName:@"Compositing root layer"];

#endif

    [m_webView _startAcceleratedCompositing:m_compositingRootLayer.get()];

#endif

}

void LayerBackedDrawingAreaProxy::detachCompositingContext()

{

    [m_webView _stopAcceleratedCompositing];

    m_compositingRootLayer = 0;

}

} // namespace WebKit