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 "ExtendableEvent.h"
31#include "FetchRequest.h"
32#include <wtf/CompletionHandler.h>
33#include <wtf/Expected.h>
34
35namespace WebCore {
36
37class FetchResponse;
38class ResourceError;
39
40class FetchEvent final : public ExtendableEvent {
41public:
42 struct Init : ExtendableEventInit {
43 RefPtr<FetchRequest> request;
44 String clientId;
45 String reservedClientId;
46 String targetClientId;
47 };
48
49 WEBCORE_EXPORT static Ref<FetchEvent> createForTesting(ScriptExecutionContext&);
50
51 static Ref<FetchEvent> create(const AtomicString& type, Init&& initializer, IsTrusted isTrusted = IsTrusted::No)
52 {
53 return adoptRef(*new FetchEvent(type, WTFMove(initializer), isTrusted));
54 }
55 ~FetchEvent();
56
57 EventInterface eventInterface() const final { return FetchEventInterfaceType; }
58
59 ExceptionOr<void> respondWith(Ref<DOMPromise>&&);
60
61 using ResponseCallback = CompletionHandler<void(Expected<Ref<FetchResponse>, ResourceError>&&)>;
62 WEBCORE_EXPORT void onResponse(ResponseCallback&&);
63
64 FetchRequest& request() { return m_request.get(); }
65 const String& clientId() const { return m_clientId; }
66 const String& reservedClientId() const { return m_reservedClientId; }
67 const String& targetClientId() const { return m_targetClientId; }
68
69 bool respondWithEntered() const { return m_respondWithEntered; }
70
71 static ResourceError createResponseError(const URL&, const String&);
72
73private:
74 WEBCORE_EXPORT FetchEvent(const AtomicString&, Init&&, IsTrusted);
75
76 void promiseIsSettled();
77 void processResponse(Expected<Ref<FetchResponse>, ResourceError>&&);
78 void respondWithError(ResourceError&&);
79
80 Ref<FetchRequest> m_request;
81 String m_clientId;
82 String m_reservedClientId;
83 String m_targetClientId;
84
85 bool m_respondWithEntered { false };
86 bool m_waitToRespond { false };
87 bool m_respondWithError { false };
88 RefPtr<DOMPromise> m_respondPromise;
89
90 ResponseCallback m_onResponse;
91};
92
93} // namespace WebCore
94
95#endif // ENABLE(SERVICE_WORKER)
96