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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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_AnimationEffectReadOnly_h
#define mozilla_dom_AnimationEffectReadOnly_h
#include "mozilla/ComputedTiming.h"
#include "mozilla/dom/AnimationEffectTimingReadOnly.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/Maybe.h"
#include "mozilla/StickyTimeDuration.h"
#include "mozilla/TimeStamp.h"
#include "mozilla/TimingParams.h"
#include "nsCycleCollectionParticipant.h"
#include "nsWrapperCache.h"
namespace mozilla {
struct ElementPropertyTransition;
namespace dom {
class Animation;
class AnimationEffectTimingReadOnly;
class KeyframeEffectReadOnly;
struct ComputedTimingProperties;
class AnimationEffectReadOnly : public nsISupports,
public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(AnimationEffectReadOnly)
AnimationEffectReadOnly(nsIDocument* aDocument,
AnimationEffectTimingReadOnly* aTiming);
virtual KeyframeEffectReadOnly* AsKeyframeEffect() { return nullptr; }
virtual ElementPropertyTransition* AsTransition() { return nullptr; }
virtual const ElementPropertyTransition* AsTransition() const
{
return nullptr;
}
nsISupports* GetParentObject() const { return mDocument; }
bool IsCurrent() const;
bool IsInEffect() const;
bool IsActiveDurationZero() const
{
return SpecifiedTiming().ActiveDuration() == StickyTimeDuration();
}
already_AddRefed<AnimationEffectTimingReadOnly> Timing();
const TimingParams& SpecifiedTiming() const
{
return mTiming->AsTimingParams();
}
void SetSpecifiedTiming(const TimingParams& aTiming);
// This function takes as input the timing parameters of an animation and
// returns the computed timing at the specified local time.
//
// The local time may be null in which case only static parameters such as the
// active duration are calculated. All other members of the returned object
// are given a null/initial value.
//
// This function returns a null mProgress member of the return value
// if the animation should not be run
// (because it is not currently active and is not filling at this time).
static ComputedTiming
GetComputedTimingAt(const Nullable<TimeDuration>& aLocalTime,
const TimingParams& aTiming,
double aPlaybackRate);
// Shortcut that gets the computed timing using the current local time as
// calculated from the timeline time.
ComputedTiming GetComputedTiming(const TimingParams* aTiming = nullptr) const;
void GetComputedTimingAsDict(ComputedTimingProperties& aRetVal) const;
virtual void SetAnimation(Animation* aAnimation) = 0;
Animation* GetAnimation() const { return mAnimation; };
protected:
virtual ~AnimationEffectReadOnly();
Nullable<TimeDuration> GetLocalTime() const;
protected:
RefPtr<nsIDocument> mDocument;
RefPtr<AnimationEffectTimingReadOnly> mTiming;
RefPtr<Animation> mAnimation;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_AnimationEffectReadOnly_h
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