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 {
32    class RenderLayer;
33}
34
35namespace WebKit {
36
37class WebPage;
38
39class WebRenderLayer : public TypedAPIObject<APIObject::TypeRenderLayer> {
40public:
41    enum CompositingLayerType { None, Normal, Tiled, Media, Container };
42
43    static PassRefPtr<WebRenderLayer> create(WebPage*);
44    static PassRefPtr<WebRenderLayer> create(PassRefPtr<WebRenderObject> renderer, bool isReflection, bool isClipping, bool isClipped, CompositingLayerType type,
45        WebCore::IntRect absoluteBoundingBox, PassRefPtr<MutableArray> negativeZOrderList, PassRefPtr<MutableArray> normalFlowList, PassRefPtr<MutableArray> positiveZOrderList)
46    {
47        return adoptRef(new WebRenderLayer(renderer, isReflection, isClipping, isClipped, type, absoluteBoundingBox, negativeZOrderList, normalFlowList, positiveZOrderList));
48    }
49
50    ImmutableArray* negativeZOrderList() const { return m_negativeZOrderList.get(); }
51    ImmutableArray* normalFlowList() const { return m_normalFlowList.get(); }
52    ImmutableArray* positiveZOrderList() const { return m_positiveZOrderList.get(); }
53
54    WebRenderObject* renderer() const { return m_renderer.get(); }
55    bool isReflection() const { return m_isReflection; }
56    bool isClipping() const { return m_isClipping; }
57    bool isClipped() const { return m_isClipped; }
58    CompositingLayerType compositingLayerType() const { return m_compositingLayerType; }
59    WebCore::IntRect absoluteBoundingBox() const { return m_absoluteBoundingBox; }
60
61private:
62    WebRenderLayer(WebCore::RenderLayer*);
63    WebRenderLayer(PassRefPtr<WebRenderObject> renderer, bool isReflection, bool isClipping, bool isClipped, CompositingLayerType type, WebCore::IntRect absoluteBoundingBox,
64        PassRefPtr<MutableArray> negativeZOrderList, PassRefPtr<MutableArray> normalFlowList, PassRefPtr<MutableArray> positiveZOrderList)
65        : m_renderer(renderer)
66        , m_isReflection(isReflection)
67        , m_isClipping(isClipping)
68        , m_isClipped(isClipped)
69        , m_compositingLayerType(type)
70        , m_absoluteBoundingBox(absoluteBoundingBox)
71        , m_negativeZOrderList(negativeZOrderList)
72        , m_normalFlowList(normalFlowList)
73        , m_positiveZOrderList(positiveZOrderList)
74    {
75    }
76
77    static PassRefPtr<MutableArray> createArrayFromLayerList(Vector<WebCore::RenderLayer*>*);
78
79    RefPtr<WebRenderObject> m_renderer;
80    bool m_isReflection;
81    bool m_isClipping;
82    bool m_isClipped;
83    CompositingLayerType m_compositingLayerType;
84    WebCore::IntRect m_absoluteBoundingBox;
85
86    RefPtr<MutableArray> m_negativeZOrderList;
87    RefPtr<MutableArray> m_normalFlowList;
88    RefPtr<MutableArray> m_positiveZOrderList;
89};
90
91} // namespace WebKit
92
93#endif // WebRenderLayer_h
94