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f722be009c
Instead of collecting data from the entire tree of documents, we collect data per document. The collected data is sent to the corresponding parent window context and is applied incrementally to the tab state cache. Differential Revision: https://phabricator.services.mozilla.com/D107814
65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_SessionStoreDataCollector_h
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#define mozilla_dom_SessionStoreDataCollector_h
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#include "ErrorList.h"
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#include "nsITimer.h"
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#include "nsCycleCollectionParticipant.h"
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#include "mozilla/RefPtr.h"
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namespace mozilla::dom {
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class BrowserChild;
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class EventTarget;
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class WindowGlobalChild;
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namespace sessionstore {
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class FormData;
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}
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class SessionStoreDataCollector final : public nsITimerCallback {
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public:
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NS_DECL_NSITIMERCALLBACK
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS(SessionStoreDataCollector)
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enum class Change { Input, Scroll };
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static already_AddRefed<SessionStoreDataCollector> CollectSessionStoreData(
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WindowGlobalChild* aWindowChild);
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void RecordInputChange();
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void RecordScrollChange();
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void Flush();
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void Cancel();
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private:
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void Collect();
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nsresult Apply(Maybe<sessionstore::FormData>&& aFormData,
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Maybe<nsPoint>&& aScroll);
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SessionStoreDataCollector(WindowGlobalChild* aWindowChild, uint32_t aEpoch);
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~SessionStoreDataCollector();
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RefPtr<WindowGlobalChild> mWindowChild;
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nsCOMPtr<nsITimer> mTimer;
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uint32_t mEpoch;
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bool mInputChanged : 1;
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bool mScrollChanged : 1;
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};
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} // namespace mozilla::dom
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#endif // mozilla_dom_SessionStoreDataCollector_h
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