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      1 /*
      2  * Copyright (C) 2013 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef AnimatableFilterOperations_h
     32 #define AnimatableFilterOperations_h
     33 
     34 #include "core/animation/AnimatableValue.h"
     35 #include "platform/graphics/filters/FilterOperations.h"
     36 
     37 namespace WebCore {
     38 
     39 class AnimatableFilterOperations : public AnimatableValue {
     40 public:
     41     virtual ~AnimatableFilterOperations() { }
     42     static PassRefPtr<AnimatableFilterOperations> create(const FilterOperations& operations)
     43     {
     44         return adoptRef(new AnimatableFilterOperations(operations));
     45     }
     46     const FilterOperations& operations() const { return m_operations; }
     47 
     48 protected:
     49     virtual PassRefPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const OVERRIDE;
     50     virtual PassRefPtr<AnimatableValue> addWith(const AnimatableValue*) const OVERRIDE;
     51 
     52 private:
     53     AnimatableFilterOperations(const FilterOperations& operations)
     54         : m_operations(operations)
     55     {
     56     }
     57     virtual bool equalTo(const AnimatableValue*) const OVERRIDE;
     58     virtual AnimatableType type() const OVERRIDE { return TypeFilterOperations; }
     59 
     60     FilterOperations m_operations;
     61 };
     62 
     63 DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatableFilterOperations, isFilterOperations());
     64 
     65 } // namespace WebCore
     66 
     67 #endif // AnimatableFilterOperations_h
     68