/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ServiceWorkerContainer_h
#define ServiceWorkerContainer_h

#include "bindings/core/v8/ScriptPromise.h"
#include "bindings/core/v8/ScriptPromiseProperty.h"
#include "bindings/core/v8/ScriptWrappable.h"
#include "core/dom/ContextLifecycleObserver.h"
#include "core/events/EventTarget.h"
#include "modules/ModulesExport.h"
#include "modules/serviceworkers/RegistrationOptions.h"
#include "modules/serviceworkers/ServiceWorker.h"
#include "modules/serviceworkers/ServiceWorkerRegistration.h"
#include "platform/heap/Handle.h"
#include "public/platform/WebServiceWorkerProviderClient.h"
#include "wtf/Forward.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"

namespace blink {

class ExecutionContext;
class WebServiceWorker;
class WebServiceWorkerProvider;
class WebServiceWorkerRegistration;

class MODULES_EXPORT ServiceWorkerContainer final
    : public RefCountedGarbageCollectedEventTargetWithInlineData<ServiceWorkerContainer>
    , public ContextLifecycleObserver
    , public WebServiceWorkerProviderClient {
    DEFINE_WRAPPERTYPEINFO();
    DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(RefCountedGarbageCollected<ServiceWorkerContainer>);
    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ServiceWorkerContainer);
public:
    static ServiceWorkerContainer* create(ExecutionContext*);
    ~ServiceWorkerContainer();

    void willBeDetachedFromFrame();

    DECLARE_VIRTUAL_TRACE();

    PassRefPtrWillBeRawPtr<ServiceWorker> controller() { return m_controller.get(); }
    ScriptPromise ready(ScriptState*);
    WebServiceWorkerProvider* provider() { return m_provider; }

    ScriptPromise registerServiceWorker(ScriptState*, const String& pattern, const RegistrationOptions&);
    ScriptPromise getRegistration(ScriptState*, const String& documentURL);

    // WebServiceWorkerProviderClient overrides.
    virtual void setController(WebServiceWorker*, bool shouldNotifyControllerChange) override;
    virtual void dispatchMessageEvent(const WebString& message, const WebMessagePortChannelArray&) override;

    // EventTarget overrides.
    virtual ExecutionContext* executionContext() const override { return ContextLifecycleObserver::executionContext(); }
    virtual const AtomicString& interfaceName() const override;

    DEFINE_ATTRIBUTE_EVENT_LISTENER(controllerchange);

private:
    explicit ServiceWorkerContainer(ExecutionContext*);

    class GetRegistrationForReadyCallback;
    typedef ScriptPromiseProperty<Member<ServiceWorkerContainer>, Member<ServiceWorkerRegistration>, Member<ServiceWorkerRegistration>> ReadyProperty;
    ReadyProperty* createReadyProperty();

    WebServiceWorkerProvider* m_provider;
    RefPtrWillBeMember<ServiceWorker> m_controller;
    Member<ReadyProperty> m_ready;
};

} // namespace blink

#endif // ServiceWorkerContainer_h
