gecko-dev/toolkit/components/sessionstore/SessionStoreDataCollector.h

69 строки
1.7 KiB
C++

/* -*- 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_SessionStoreDataCollector_h
#define mozilla_dom_SessionStoreDataCollector_h
#include "ErrorList.h"
#include "nsITimer.h"
#include "nsCycleCollectionParticipant.h"
#include "mozilla/RefPtr.h"
namespace mozilla::dom {
class BrowserChild;
class EventTarget;
class WindowGlobalChild;
namespace sessionstore {
class FormData;
}
class SessionStoreDataCollector final : public nsITimerCallback,
public nsINamed {
public:
NS_DECL_NSITIMERCALLBACK
NS_DECL_NSINAMED
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(SessionStoreDataCollector,
nsITimerCallback)
enum class Change { Input, Scroll };
static already_AddRefed<SessionStoreDataCollector> CollectSessionStoreData(
WindowGlobalChild* aWindowChild);
void RecordInputChange();
void RecordScrollChange();
void Flush();
void Cancel();
private:
void Collect();
nsresult Apply(Maybe<sessionstore::FormData>&& aFormData,
Maybe<nsPoint>&& aScroll);
SessionStoreDataCollector(WindowGlobalChild* aWindowChild, uint32_t aEpoch);
~SessionStoreDataCollector();
RefPtr<WindowGlobalChild> mWindowChild;
nsCOMPtr<nsITimer> mTimer;
uint32_t mEpoch;
bool mInputChanged : 1;
bool mScrollChanged : 1;
};
} // namespace mozilla::dom
#endif // mozilla_dom_SessionStoreDataCollector_h