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