1/*
2 * Copyright (C) 2012 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef WebRenderLayer_h
27#define WebRenderLayer_h
28
29#include "WebRenderObject.h"
30
31namespace WebCore {
32class RenderLayer;
33}
34
35namespace WebKit {
36
37class WebPage;
38
39class WebRenderLayer : public API::ObjectImpl<API::Object::Type::RenderLayer> {
40public:
41 enum CompositingLayerType { None, Normal, Tiled, Media, Container };
42
43 static RefPtr<WebRenderLayer> create(WebPage*);
44 static Ref<WebRenderLayer> create(RefPtr<WebRenderObject>&& renderer, bool isReflection, bool isClipping, bool isClipped, CompositingLayerType, WebCore::IntRect absoluteBoundingBox, double backingStoreMemoryEstimate, RefPtr<API::Array>&& negativeZOrderList, RefPtr<API::Array>&& normalFlowList, RefPtr<API::Array>&& positiveZOrderList, RefPtr<WebRenderLayer>&& frameContentsLayer);
45
46 API::Array* negativeZOrderList() const { return m_negativeZOrderList.get(); }
47 API::Array* normalFlowList() const { return m_normalFlowList.get(); }
48 API::Array* positiveZOrderList() const { return m_positiveZOrderList.get(); }
49 WebRenderLayer* frameContentsLayer() const { return m_frameContentsLayer.get(); }
50
51 WebRenderObject* renderer() const { return m_renderer.get(); }
52 bool isReflection() const { return m_isReflection; }
53 bool isClipping() const { return m_isClipping; }
54 bool isClipped() const { return m_isClipped; }
55 CompositingLayerType compositingLayerType() const { return m_compositingLayerType; }
56 WebCore::IntRect absoluteBoundingBox() const { return m_absoluteBoundingBox; }
57 double backingStoreMemoryEstimate() const { return m_backingStoreMemoryEstimate; }
58
59private:
60 explicit WebRenderLayer(WebCore::RenderLayer*);
61 WebRenderLayer(RefPtr<WebRenderObject>&& renderer, bool isReflection, bool isClipping, bool isClipped, CompositingLayerType, WebCore::IntRect absoluteBoundingBox, double backingStoreMemoryEstimate, RefPtr<API::Array>&& negativeZOrderList, RefPtr<API::Array>&& normalFlowList, RefPtr<API::Array>&& positiveZOrderList, RefPtr<WebRenderLayer>&& frameContentsLayer);
62
63 RefPtr<WebRenderObject> m_renderer;
64 bool m_isReflection;
65 bool m_isClipping;
66 bool m_isClipped;
67 CompositingLayerType m_compositingLayerType;
68 WebCore::IntRect m_absoluteBoundingBox;
69 double m_backingStoreMemoryEstimate;
70
71 RefPtr<API::Array> m_negativeZOrderList;
72 RefPtr<API::Array> m_normalFlowList;
73 RefPtr<API::Array> m_positiveZOrderList;
74
75 RefPtr<WebRenderLayer> m_frameContentsLayer;
76};
77
78} // namespace WebKit
79
80#endif // WebRenderLayer_h
81