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b813bcffe5
MozReview-Commit-ID: KHtAq0VgPZW --HG-- extra : rebase_source : 7daa2a4202f489308981e9cff02e2d7f3bf92c1e
112 lines
3.4 KiB
C++
112 lines
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/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 "nsIDocument.h"
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#include "nsDOMNavigationTiming.h" // for DOMHighResTimeStamp
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#include "nsRefreshDriver.h"
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struct JSContext;
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// GetCurrentTime is defined in winbase.h as zero argument macro forwarding to
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// GetTickCount().
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#ifdef GetCurrentTime
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#undef GetCurrentTime
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#endif
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namespace mozilla {
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namespace dom {
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class DocumentTimeline final
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: public AnimationTimeline
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, public nsARefreshObserver
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, public LinkedListElement<DocumentTimeline>
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{
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public:
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DocumentTimeline(nsIDocument* aDocument, const TimeDuration& aOriginTime)
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: AnimationTimeline(aDocument->GetParentObject())
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, mDocument(aDocument)
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, mIsObservingRefreshDriver(false)
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, mOriginTime(aOriginTime)
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{
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if (mDocument) {
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mDocument->Timelines().insertBack(this);
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}
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}
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protected:
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virtual ~DocumentTimeline()
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{
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MOZ_ASSERT(!mIsObservingRefreshDriver, "Timeline should have disassociated"
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" from the refresh driver before being destroyed");
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if (isInList()) {
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remove();
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}
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}
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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>
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Constructor(const GlobalObject& aGlobal,
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const DocumentTimelineOptions& aOptions,
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ErrorResult& aRv);
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// AnimationTimeline methods
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virtual Nullable<TimeDuration> GetCurrentTime() const override;
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bool TracksWallclockTime() const override
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{
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nsRefreshDriver* refreshDriver = GetRefreshDriver();
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return !refreshDriver ||
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!refreshDriver->IsTestControllingRefreshesEnabled();
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}
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Nullable<TimeDuration> ToTimelineTime(const TimeStamp& aTimeStamp) const
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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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// nsARefreshObserver methods
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void WillRefresh(TimeStamp aTime) override;
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void NotifyRefreshDriverCreated(nsRefreshDriver* aDriver);
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void NotifyRefreshDriverDestroying(nsRefreshDriver* aDriver);
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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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nsCOMPtr<nsIDocument> 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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mutable TimeStamp mLastRefreshDriverTime;
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bool mIsObservingRefreshDriver;
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TimeDuration mOriginTime;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_DocumentTimeline_h
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