/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_idbevents_h__

#define mozilla_dom_idbevents_h__

#include "js/RootingAPI.h"

#include "mozilla/dom/BindingDeclarations.h"

#include "mozilla/dom/Event.h"

#include "mozilla/dom/Nullable.h"

#include "nsStringFwd.h"

#define IDBVERSIONCHANGEEVENT_IID \

  {0x3b65d4c3, 0x73ad, 0x492e, {0xb1, 0x2d, 0x15, 0xf9, 0xda, 0xc2, 0x08, 0x4b}}

namespace mozilla {

class ErrorResult;

namespace dom {

class EventTarget;

class GlobalObject;

struct IDBVersionChangeEventInit;

namespace indexedDB {

enum Bubbles {

  eDoesNotBubble,

  eDoesBubble

};

enum Cancelable {

  eNotCancelable,

  eCancelable

};

extern const char16_t* kAbortEventType;

extern const char16_t* kBlockedEventType;

extern const char16_t* kCompleteEventType;

extern const char16_t* kErrorEventType;

extern const char16_t* kSuccessEventType;

extern const char16_t* kUpgradeNeededEventType;

extern const char16_t* kVersionChangeEventType;

extern const char16_t* kCloseEventType;

already_AddRefed<Event>

CreateGenericEvent(EventTarget* aOwner,

                   const nsDependentString& aType,

                   Bubbles aBubbles,

                   Cancelable aCancelable);

} // namespace indexedDB

class IDBVersionChangeEvent final : public Event

{

  uint64_t mOldVersion;

  Nullable<uint64_t> mNewVersion;

public:

  static already_AddRefed<IDBVersionChangeEvent>

  Create(EventTarget* aOwner,

         const nsDependentString& aName,

         uint64_t aOldVersion,

         uint64_t aNewVersion)

  {

    Nullable<uint64_t> newVersion(aNewVersion);

    return CreateInternal(aOwner, aName, aOldVersion, newVersion);

  }

  static already_AddRefed<IDBVersionChangeEvent>

  Create(EventTarget* aOwner,

         const nsDependentString& aName,

         uint64_t aOldVersion)

  {

    Nullable<uint64_t> newVersion(0);

    newVersion.SetNull();

    return CreateInternal(aOwner, aName, aOldVersion, newVersion);

  }

  static already_AddRefed<IDBVersionChangeEvent>

  Constructor(const GlobalObject& aGlobal,

              const nsAString& aType,

              const IDBVersionChangeEventInit& aOptions,

              ErrorResult& aRv);

  uint64_t

  OldVersion() const

  {

    return mOldVersion;

  }

  Nullable<uint64_t>

  GetNewVersion() const

  {

    return mNewVersion;

  }

  NS_DECLARE_STATIC_IID_ACCESSOR(IDBVERSIONCHANGEEVENT_IID)

  NS_DECL_ISUPPORTS_INHERITED

  virtual JSObject*

  WrapObjectInternal(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;

private:

  IDBVersionChangeEvent(EventTarget* aOwner, uint64_t aOldVersion)

    : Event(aOwner, nullptr, nullptr)

    , mOldVersion(aOldVersion)

  {

  }

  ~IDBVersionChangeEvent()

  { }

  static already_AddRefed<IDBVersionChangeEvent>

  CreateInternal(EventTarget* aOwner,

                 const nsAString& aName,

                 uint64_t aOldVersion,

                 const Nullable<uint64_t>& aNewVersion);

};

NS_DEFINE_STATIC_IID_ACCESSOR(IDBVersionChangeEvent, IDBVERSIONCHANGEEVENT_IID)

} // namespace dom

} // namespace mozilla

#endif // mozilla_dom_idbevents_h__