1/*
2 * Copyright (C) 2020 Igalia S.L. 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#pragma once
27
28#if ENABLE(WEBXR)
29
30#include "ContextDestructionObserver.h"
31#include "EventTarget.h"
32#include <wtf/IsoMalloc.h>
33#include <wtf/RefCounted.h>
34
35namespace WebCore {
36
37class ScriptExecutionContext;
38
39class WebXRLayer : public RefCounted<WebXRLayer>, public EventTargetWithInlineData, public ContextDestructionObserver {
40 WTF_MAKE_ISO_ALLOCATED(WebXRLayer);
41public:
42 ~WebXRLayer();
43
44 using RefCounted<WebXRLayer>::ref;
45 using RefCounted<WebXRLayer>::deref;
46
47protected:
48 WebXRLayer(ScriptExecutionContext*);
49
50 // EventTarget
51 ScriptExecutionContext* scriptExecutionContext() const override { return ContextDestructionObserver::scriptExecutionContext(); }
52
53private:
54 // EventTarget
55 EventTargetInterface eventTargetInterface() const override { return WebXRLayerEventTargetInterfaceType; }
56 void refEventTarget() override { ref(); }
57 void derefEventTarget() override { deref(); }
58};
59
60} // namespace WebCore
61
62#endif // ENABLE(WEBXR)