1/*
2 * Copyright (C) 2017 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#pragma once
27
28#if ENABLE(SERVICE_WORKER)
29
30#include "ActiveDOMObject.h"
31#include "ContextDestructionObserver.h"
32#include "EventTarget.h"
33#include "ServiceWorkerData.h"
34#include <JavaScriptCore/Strong.h>
35#include <wtf/RefCounted.h>
36#include <wtf/URL.h>
37
38namespace JSC {
39class JSValue;
40}
41
42namespace WebCore {
43
44class Frame;
45
46class ServiceWorker final : public RefCounted<ServiceWorker>, public EventTargetWithInlineData, public ActiveDOMObject {
47 WTF_MAKE_ISO_ALLOCATED(ServiceWorker);
48public:
49 using State = ServiceWorkerState;
50 static Ref<ServiceWorker> getOrCreate(ScriptExecutionContext&, ServiceWorkerData&&);
51
52 virtual ~ServiceWorker();
53
54 const URL& scriptURL() const { return m_data.scriptURL; }
55
56 State state() const { return m_data.state; }
57
58 void updateState(State);
59
60 ExceptionOr<void> postMessage(ScriptExecutionContext&, JSC::JSValue message, Vector<JSC::Strong<JSC::JSObject>>&&);
61
62 ServiceWorkerIdentifier identifier() const { return m_data.identifier; }
63 ServiceWorkerRegistrationIdentifier registrationIdentifier() const { return m_data.registrationIdentifier; }
64
65 using RefCounted::ref;
66 using RefCounted::deref;
67
68private:
69 ServiceWorker(ScriptExecutionContext&, ServiceWorkerData&&);
70 void updatePendingActivityForEventDispatch();
71
72 EventTargetInterface eventTargetInterface() const final;
73 ScriptExecutionContext* scriptExecutionContext() const final;
74 void refEventTarget() final { ref(); }
75 void derefEventTarget() final { deref(); }
76
77 // ActiveDOMObject.
78 const char* activeDOMObjectName() const final;
79 bool canSuspendForDocumentSuspension() const final;
80 void stop() final;
81
82 bool isAlwaysOnLoggingAllowed() const;
83
84 ServiceWorkerData m_data;
85 bool m_isStopped { false };
86 RefPtr<PendingActivity<ServiceWorker>> m_pendingActivityForEventDispatch;
87};
88
89} // namespace WebCore
90
91#endif // ENABLE(SERVICE_WORKER)
92