gecko-dev/dom/animation/DocumentTimeline.h

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