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69 lines
2.1 KiB
C++
69 lines
2.1 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/TimeStamp.h"
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#include "AnimationTimeline.h"
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#include "nsIDocument.h"
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#include "nsRefreshDriver.h"
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struct JSContext;
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namespace mozilla {
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namespace dom {
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class DocumentTimeline final : public AnimationTimeline
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{
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public:
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explicit DocumentTimeline(nsIDocument* aDocument)
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: AnimationTimeline(aDocument->GetParentObject())
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, mDocument(aDocument)
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{
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}
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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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// 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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protected:
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TimeStamp GetCurrentTimeStamp() const;
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nsRefreshDriver* GetRefreshDriver() const;
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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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};
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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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