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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef RespondWithObserver_h
#define RespondWithObserver_h
#include "core/dom/ContextLifecycleObserver.h"
#include "platform/heap/Handle.h"
#include "public/platform/WebURLRequest.h"
namespace blink {
class ExceptionState;
class ExecutionContext;
class ScriptState;
class ScriptValue;
// This class observes the service worker's handling of a FetchEvent and
// notifies the client.
class RespondWithObserver final : public GarbageCollectedFinalized<RespondWithObserver>, public ContextLifecycleObserver {
WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(RespondWithObserver);
public:
static RespondWithObserver* create(ExecutionContext*, int eventID, WebURLRequest::FetchRequestMode, WebURLRequest::FrameType);
virtual void contextDestroyed() override;
void didDispatchEvent(bool defaultPrevented);
// Observes the promise and delays calling didHandleFetchEvent() until the
// given promise is resolved or rejected.
void respondWith(ScriptState*, const ScriptValue&, ExceptionState&);
void responseWasRejected();
void responseWasFulfilled(const ScriptValue&);
virtual void trace(Visitor*) override;
private:
class ThenFunction;
RespondWithObserver(ExecutionContext*, int eventID, WebURLRequest::FetchRequestMode, WebURLRequest::FrameType);
int m_eventID;
WebURLRequest::FetchRequestMode m_requestMode;
WebURLRequest::FrameType m_frameType;
enum State { Initial, Pending, Done };
State m_state;
};
} // namespace blink
#endif // RespondWithObserver_h
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