зеркало из https://github.com/mozilla/gecko-dev.git
98 строки
3.4 KiB
C++
98 строки
3.4 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_DocumentTimeline_h
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#define mozilla_dom_DocumentTimeline_h
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#include "mozilla/dom/Document.h"
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#include "mozilla/dom/DocumentTimelineBinding.h"
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#include "mozilla/LinkedList.h"
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#include "mozilla/TimeStamp.h"
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#include "AnimationTimeline.h"
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#include "nsDOMNavigationTiming.h" // for DOMHighResTimeStamp
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#include "nsRefreshDriver.h"
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#include "nsRefreshObservers.h"
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struct JSContext;
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namespace mozilla::dom {
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class DocumentTimeline final : public AnimationTimeline,
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public nsARefreshObserver,
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public nsATimerAdjustmentObserver,
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public LinkedListElement<DocumentTimeline> {
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public:
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DocumentTimeline(Document* aDocument, const TimeDuration& aOriginTime);
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protected:
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virtual ~DocumentTimeline();
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(DocumentTimeline,
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AnimationTimeline)
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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static already_AddRefed<DocumentTimeline> Constructor(
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const GlobalObject& aGlobal, const DocumentTimelineOptions& aOptions,
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ErrorResult& aRv);
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// AnimationTimeline methods
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// This is deliberately _not_ called GetCurrentTime since that would clash
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// with a macro defined in winbase.h
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virtual Nullable<TimeDuration> GetCurrentTimeAsDuration() const override;
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bool TracksWallclockTime() const override;
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Nullable<TimeDuration> ToTimelineTime(
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const TimeStamp& aTimeStamp) const override;
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TimeStamp ToTimeStamp(const TimeDuration& aTimelineTime) const override;
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void NotifyAnimationUpdated(Animation& aAnimation) override;
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void RemoveAnimation(Animation* aAnimation) override;
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void NotifyAnimationContentVisibilityChanged(Animation* aAnimation,
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bool visible) override;
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// nsARefreshObserver methods
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void WillRefresh(TimeStamp aTime) override;
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// nsATimerAdjustmentObserver methods
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void NotifyTimerAdjusted(TimeStamp aTime) override;
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void NotifyRefreshDriverCreated(nsRefreshDriver* aDriver);
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void NotifyRefreshDriverDestroying(nsRefreshDriver* aDriver);
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Document* GetDocument() const override { return mDocument; }
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void UpdateLastRefreshDriverTime();
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bool IsMonotonicallyIncreasing() const override { return true; }
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protected:
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TimeStamp GetCurrentTimeStamp() const;
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nsRefreshDriver* GetRefreshDriver() const;
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void UnregisterFromRefreshDriver();
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void MostRecentRefreshTimeUpdated();
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void ObserveRefreshDriver(nsRefreshDriver* aDriver);
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void DisconnectRefreshDriver(nsRefreshDriver* aDriver);
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RefPtr<Document> mDocument;
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// The most recently used refresh driver time. This is used in cases where
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// we don't have a refresh driver (e.g. because we are in a display:none
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// iframe).
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TimeStamp mLastRefreshDriverTime;
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bool mIsObservingRefreshDriver;
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TimeDuration mOriginTime;
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};
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} // namespace mozilla::dom
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#endif // mozilla_dom_DocumentTimeline_h
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