third_party/WebKit/Source/core/animation/StringKeyframe.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef StringKeyframe_h
   6 #define StringKeyframe_h
   7
   8 #include "core/animation/Keyframe.h"
   9 #include "core/css/StylePropertySet.h"
  10
  11 namespace blink {
  12
  13 class StyleSheetContents;
  14
  15 class StringKeyframe : public Keyframe {
  16 public:
  17     static PassRefPtrWillBeRawPtr<StringKeyframe> create()
  18     {
  19         return adoptRefWillBeNoop(new StringKeyframe);
  20     }
  21     void setPropertyValue(CSSPropertyID, const String& value, StyleSheetContents*);
  22     void setPropertyValue(CSSPropertyID, PassRefPtrWillBeRawPtr<CSSValue>);
  23     void clearPropertyValue(CSSPropertyID property) { m_propertySet->removeProperty(property); }
  24     CSSValue* propertyValue(CSSPropertyID property) const
  25     {
  26         int index = m_propertySet->findPropertyIndex(property);
  27         RELEASE_ASSERT(index >= 0);
  28         return m_propertySet->propertyAt(static_cast<unsigned>(index)).value();
  29     }
  30     virtual PropertySet properties() const override;
  31     RefPtrWillBeMember<MutableStylePropertySet> propertySetForInspector() const { return m_propertySet; }
  32
  33     DECLARE_VIRTUAL_TRACE();
  34
  35     class PropertySpecificKeyframe : public Keyframe::PropertySpecificKeyframe {
  36     public:
  37         PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, CSSValue*, AnimationEffect::CompositeOperation);
  38
  39         CSSValue* value() const { return m_value.get(); }
  40         void setEasing(PassRefPtrWillBeRawPtr<TimingFunction> easing) { m_easing = easing; }
  41         virtual const PassRefPtrWillBeRawPtr<AnimatableValue> getAnimatableValue() const override final { return m_animatableValueCache.get(); }
  42         void setAnimatableValue(PassRefPtrWillBeRawPtr<AnimatableValue>);
  43
  44         virtual PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> neutralKeyframe(double offset, PassRefPtr<TimingFunction> easing) const override final;
  45         virtual PassRefPtrWillBeRawPtr<Interpolation> maybeCreateInterpolation(CSSPropertyID, blink::Keyframe::PropertySpecificKeyframe& end, Element*) const override final;
  46
  47         DECLARE_VIRTUAL_TRACE();
  48
  49     private:
  50         PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, CSSValue*);
  51
  52         virtual PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> cloneWithOffset(double offset) const;
  53         virtual bool isStringPropertySpecificKeyframe() const override { return true; }
  54
  55         static bool createInterpolationsFromCSSValues(CSSPropertyID, CSSValue* fromCSSValue, CSSValue* toCSSValue, Element*, OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation>>>& interpolations);
  56
  57         void ensureAnimatableValueCaches(CSSPropertyID, Keyframe::PropertySpecificKeyframe&, Element*, CSSValue& fromCSSValue, CSSValue& toCSSValue) const;
  58
  59         RefPtrWillBeMember<CSSValue> m_value;
  60         mutable RefPtrWillBeMember<AnimatableValue> m_animatableValueCache;
  61     };
  62
  63 private:
  64     StringKeyframe()
  65         : m_propertySet(MutableStylePropertySet::create())
  66     { }
  67
  68     StringKeyframe(const StringKeyframe& copyFrom);
  69
  70     virtual PassRefPtrWillBeRawPtr<Keyframe> clone() const override;
  71     virtual PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> createPropertySpecificKeyframe(CSSPropertyID) const override;
  72
  73     virtual bool isStringKeyframe() const override { return true; }
  74
  75     RefPtrWillBeMember<MutableStylePropertySet> m_propertySet;
  76 };
  77
  78 using StringPropertySpecificKeyframe = StringKeyframe::PropertySpecificKeyframe;
  79
  80 DEFINE_TYPE_CASTS(StringKeyframe, Keyframe, value, value->isStringKeyframe(), value.isStringKeyframe());
  81 DEFINE_TYPE_CASTS(StringPropertySpecificKeyframe, Keyframe::PropertySpecificKeyframe, value, value->isStringPropertySpecificKeyframe(), value.isStringPropertySpecificKeyframe());
  82
  83 }
  84
  85 #endif