forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			93 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			93 lines
		
	
	
	
		
			3.2 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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| 
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| #ifndef mozilla_dom_DocumentTimeline_h
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| #define mozilla_dom_DocumentTimeline_h
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| 
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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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| 
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| struct JSContext;
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| 
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| namespace mozilla {
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| namespace dom {
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| 
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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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| 
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|  protected:
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|   virtual ~DocumentTimeline();
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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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| 
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|   virtual JSObject* WrapObject(JSContext* aCx,
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|                                JS::Handle<JSObject*> aGivenProto) override;
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| 
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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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| 
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|   // AnimationTimeline methods
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| 
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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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| 
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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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| 
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|   void NotifyAnimationUpdated(Animation& aAnimation) override;
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| 
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|   void RemoveAnimation(Animation* aAnimation) override;
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| 
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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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| 
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|   void NotifyRefreshDriverCreated(nsRefreshDriver* aDriver);
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|   void NotifyRefreshDriverDestroying(nsRefreshDriver* aDriver);
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| 
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|   Document* GetDocument() const override { return mDocument; }
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| 
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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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| 
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|   RefPtr<Document> mDocument;
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| 
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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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| 
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|   TimeDuration mOriginTime;
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| };
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| 
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| }  // namespace dom
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| }  // namespace mozilla
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| 
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| #endif  // mozilla_dom_DocumentTimeline_h
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