third_party/WebKit/Source/core/animation/animatable/AnimatableShadow.h

   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 AnimatableShadow_h
  32 #define AnimatableShadow_h
  33
  34 #include "core/animation/animatable/AnimatableValue.h"
  35 #include "core/style/ShadowList.h"
  36
  37 namespace blink {
  38
  39 class AnimatableShadow final : public AnimatableValue {
  40 public:
  41     ~AnimatableShadow() override { }
  42     static PassRefPtr<AnimatableShadow> create(PassRefPtr<ShadowList> shadowList, const Color& currentColor)
  43     {
  44         return adoptRef(new AnimatableShadow(shadowList, currentColor));
  45     }
  46     ShadowList* shadowList() const { return m_shadowList.get(); }
  47
  48 protected:
  49     PassRefPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const override;
  50     bool usesDefaultInterpolationWith(const AnimatableValue*) const override;
  51
  52 private:
  53     explicit AnimatableShadow(PassRefPtr<ShadowList> shadowList, const Color& currentColor)
  54         : m_shadowList(shadowList),
  55         m_currentColor(currentColor)
  56     {
  57     }
  58     AnimatableType type() const override { return TypeShadow; }
  59     bool equalTo(const AnimatableValue*) const override;
  60
  61     const RefPtr<ShadowList> m_shadowList;
  62     const Color m_currentColor;
  63 };
  64
  65 DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatableShadow, isShadow());
  66
  67 } // namespace blink
  68
  69 #endif // AnimatableShadow_h