| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef EffectModel_h |
| #define EffectModel_h |
| |
| #include "core/CSSPropertyNames.h" |
| #include "core/CoreExport.h" |
| #include "core/animation/PropertyHandle.h" |
| #include "platform/heap/Handle.h" |
| #include "platform/wtf/HashMap.h" |
| |
| namespace blink { |
| |
| class ExceptionState; |
| class Interpolation; |
| class KeyframeEffectOptions; |
| |
| // Time independent representation of an Animation's content. |
| // Can be sampled for the active pairs of Keyframes (represented by |
| // Interpolations) at a given time fraction. |
| class CORE_EXPORT EffectModel : public GarbageCollectedFinalized<EffectModel> { |
| public: |
| enum CompositeOperation { |
| kCompositeReplace, |
| kCompositeAdd, |
| }; |
| // Returns the correct CompositeOperation for a KeyframeEffectOptions, |
| // respecting any relevant RuntimeFeatures that are enabled or disabled. |
| static CompositeOperation ExtractCompositeOperation( |
| const KeyframeEffectOptions&); |
| static bool StringToCompositeOperation(String, |
| CompositeOperation&, |
| ExceptionState* = nullptr); |
| static String CompositeOperationToString(CompositeOperation); |
| |
| EffectModel() = default; |
| virtual ~EffectModel() = default; |
| virtual bool Sample(int iteration, |
| double fraction, |
| double iteration_duration, |
| Vector<scoped_refptr<Interpolation>>&) const = 0; |
| |
| virtual bool Affects(const PropertyHandle&) const { return false; } |
| virtual bool IsTransformRelatedEffect() const { return false; } |
| virtual bool IsKeyframeEffectModel() const { return false; } |
| |
| virtual void Trace(blink::Visitor* visitor) {} |
| }; |
| |
| } // namespace blink |
| |
| #endif // EffectModel_h |