gecko-dev/dom/indexedDB/IDBEvents.h

133 строки
3.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=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_indexeddb_idbevents_h__
#define mozilla_dom_indexeddb_idbevents_h__
#include "js/RootingAPI.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/Event.h"
#include "mozilla/dom/Nullable.h"
#define IDBVERSIONCHANGEEVENT_IID \
{0x3b65d4c3, 0x73ad, 0x492e, {0xb1, 0x2d, 0x15, 0xf9, 0xda, 0xc2, 0x08, 0x4b}}
class nsAString;
class nsDependentString;
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;
already_AddRefed<nsIDOMEvent>
CreateGenericEvent(EventTarget* aOwner,
const nsDependentString& aType,
Bubbles aBubbles,
Cancelable aCancelable);
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
NS_FORWARD_TO_EVENT
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,
Nullable<uint64_t> aNewVersion);
};
NS_DEFINE_STATIC_IID_ACCESSOR(IDBVersionChangeEvent, IDBVERSIONCHANGEEVENT_IID)
} // namespace indexedDB
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_indexeddb_idbevents_h__