Source/WebKit/WebProcess/WebPage/RemoteLayerTree/GraphicsLayerCARemote.cpp

/*
 * Copyright (C) 2013 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
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#include "config.h"
#include "GraphicsLayerCARemote.h"

#include "PlatformCAAnimationRemote.h"
#include "PlatformCALayerRemote.h"
#include "RemoteLayerTreeContext.h"
#include <WebCore/PlatformScreen.h>

namespace WebKit {
using namespace WebCore;

GraphicsLayerCARemote::GraphicsLayerCARemote(Type layerType, GraphicsLayerClient& client, RemoteLayerTreeContext& context)
    : GraphicsLayerCA(layerType, client)
    , m_context(&context)
{
    context.graphicsLayerDidEnterContext(*this);
}

GraphicsLayerCARemote::~GraphicsLayerCARemote()
{
    if (m_context)
        m_context->graphicsLayerWillLeaveContext(*this);
}

bool GraphicsLayerCARemote::filtersCanBeComposited(const FilterOperations& filters)
{
    return PlatformCALayerRemote::filtersCanBeComposited(filters);
}

Ref<PlatformCALayer> GraphicsLayerCARemote::createPlatformCALayer(PlatformCALayer::LayerType layerType, PlatformCALayerClient* owner)
{
    auto result = PlatformCALayerRemote::create(layerType, owner, *m_context);

    if (result->canHaveBackingStore())
        result->setWantsDeepColorBackingStore(screenSupportsExtendedColor());

    return WTFMove(result);
}

Ref<PlatformCALayer> GraphicsLayerCARemote::createPlatformCALayer(PlatformLayer* platformLayer, PlatformCALayerClient* owner)
{
    return PlatformCALayerRemote::create(platformLayer, owner, *m_context);
}

Ref<PlatformCALayer> GraphicsLayerCARemote::createPlatformCALayerForEmbeddedView(PlatformCALayer::LayerType layerType, GraphicsLayer::EmbeddedViewID embeddedViewID, PlatformCALayerClient* owner)
{
    return PlatformCALayerRemote::createForEmbeddedView(layerType, embeddedViewID, owner, *m_context);
}

Ref<PlatformCAAnimation> GraphicsLayerCARemote::createPlatformCAAnimation(PlatformCAAnimation::AnimationType type, const String& keyPath)
{
    return PlatformCAAnimationRemote::create(type, keyPath);
}

void GraphicsLayerCARemote::moveToContext(RemoteLayerTreeContext& context)
{
    if (m_context)
        m_context->graphicsLayerWillLeaveContext(*this);

    m_context = &context;

    context.graphicsLayerDidEnterContext(*this);
}

} // namespace WebKit