1/*
2 * Copyright (C) 2013 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef GraphicsLayerCARemote_h
27#define GraphicsLayerCARemote_h
28
29#include <WebCore/GraphicsLayerCA.h>
30#include <WebCore/PlatformLayer.h>
31
32namespace WebKit {
33
34class RemoteLayerTreeContext;
35
36class GraphicsLayerCARemote final : public WebCore::GraphicsLayerCA {
37public:
38    GraphicsLayerCARemote(WebCore::GraphicsLayerClient& client, RemoteLayerTreeContext& context)
39        : GraphicsLayerCA(client)
40        , m_context(context)
41    {
42    }
43
44    virtual ~GraphicsLayerCARemote();
45
46#if ENABLE(CSS_FILTERS)
47    virtual bool filtersCanBeComposited(const WebCore::FilterOperations& filters) override;
48#endif
49
50private:
51    virtual bool isGraphicsLayerCARemote() const override { return true; }
52
53    virtual PassRefPtr<WebCore::PlatformCALayer> createPlatformCALayer(WebCore::PlatformCALayer::LayerType, WebCore::PlatformCALayerClient* owner) override;
54    virtual PassRefPtr<WebCore::PlatformCALayer> createPlatformCALayer(PlatformLayer*, WebCore::PlatformCALayerClient* owner) override;
55    virtual PassRefPtr<WebCore::PlatformCAAnimation> createPlatformCAAnimation(WebCore::PlatformCAAnimation::AnimationType, const String& keyPath) override;
56
57    // PlatformCALayerRemote can't currently proxy directly composited image contents, so opt out of this optimization.
58    virtual bool shouldDirectlyCompositeImage(WebCore::Image*) const override { return false; }
59
60    RemoteLayerTreeContext& m_context;
61};
62
63GRAPHICSLAYER_TYPE_CASTS(GraphicsLayerCARemote, isGraphicsLayerCARemote());
64
65} // namespace WebKit
66
67#endif // GraphicsLayerCARemote_h
68