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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/DocumentTimelineBinding.h"
#include "mozilla/LinkedList.h"
#include "mozilla/TimeStamp.h"
#include "AnimationTimeline.h"
#include "nsIDocument.h"
#include "nsDOMNavigationTiming.h" // for DOMHighResTimeStamp
#include "nsRefreshDriver.h"
struct JSContext;
// GetCurrentTime is defined in winbase.h as zero argument macro forwarding to
// GetTickCount().
#ifdef GetCurrentTime
#undef GetCurrentTime
#endif
namespace mozilla {
namespace dom {
class DocumentTimeline final
: public AnimationTimeline
, public nsARefreshObserver
, public LinkedListElement<DocumentTimeline>
{
public:
DocumentTimeline(nsIDocument* aDocument, const TimeDuration& aOriginTime)
: AnimationTimeline(aDocument->GetParentObject())
, mDocument(aDocument)
, mIsObservingRefreshDriver(false)
, mOriginTime(aOriginTime)
{
if (mDocument) {
mDocument->Timelines().insertBack(this);
}
}
protected:
virtual ~DocumentTimeline()
{
MOZ_ASSERT(!mIsObservingRefreshDriver, "Timeline should have disassociated"
" from the refresh driver before being destroyed");
if (isInList()) {
remove();
}
}
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
virtual Nullable<TimeDuration> GetCurrentTime() const override;
bool TracksWallclockTime() const override
{
nsRefreshDriver* refreshDriver = GetRefreshDriver();
return !refreshDriver ||
!refreshDriver->IsTestControllingRefreshesEnabled();
}
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;
void NotifyRefreshDriverCreated(nsRefreshDriver* aDriver);
void NotifyRefreshDriverDestroying(nsRefreshDriver* aDriver);
protected:
TimeStamp GetCurrentTimeStamp() const;
nsRefreshDriver* GetRefreshDriver() const;
void UnregisterFromRefreshDriver();
nsCOMPtr<nsIDocument> 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
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