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       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef mozilla_AnimValuesStyleRule_h
       8             : #define mozilla_AnimValuesStyleRule_h
       9             : 
      10             : #include "mozilla/StyleAnimationValue.h"
      11             : #include "nsCSSPropertyID.h"
      12             : #include "nsCSSPropertyIDSet.h"
      13             : #include "nsDataHashtable.h"
      14             : #include "nsHashKeys.h" // For nsUint32HashKey
      15             : #include "nsIStyleRule.h"
      16             : #include "nsISupportsImpl.h" // For NS_DECL_ISUPPORTS
      17             : #include "nsRuleNode.h" // For nsCachedStyleData
      18             : #include "nsTArray.h" // For nsTArray
      19             : 
      20             : namespace mozilla {
      21             : 
      22             : /**
      23             :  * A style rule that maps property-StyleAnimationValue pairs.
      24             :  */
      25             : class AnimValuesStyleRule final : public nsIStyleRule
      26             : {
      27             : public:
      28           8 :   AnimValuesStyleRule()
      29           8 :     : mStyleBits(0) {}
      30             : 
      31             :   // nsISupports implementation
      32             :   NS_DECL_ISUPPORTS
      33             : 
      34             :   // nsIStyleRule implementation
      35             :   void MapRuleInfoInto(nsRuleData* aRuleData) override;
      36             :   bool MightMapInheritedStyleData() override;
      37             :   bool GetDiscretelyAnimatedCSSValue(nsCSSPropertyID aProperty,
      38             :                                      nsCSSValue* aValue) override;
      39             : #ifdef DEBUG
      40             :   void List(FILE* out = stdout, int32_t aIndent = 0) const override;
      41             : #endif
      42             : 
      43             :   // For the following functions, it there is already a value for |aProperty| it
      44             :   // will be replaced with |aValue|.
      45             :   void AddValue(nsCSSPropertyID aProperty, const StyleAnimationValue &aValue);
      46             :   void AddValue(nsCSSPropertyID aProperty, StyleAnimationValue&& aValue);
      47             : 
      48           0 :   bool HasValue(nsCSSPropertyID aProperty) const {
      49           0 :     return mAnimationValues.Contains(aProperty);
      50             :   }
      51             :   bool GetValue(nsCSSPropertyID aProperty, StyleAnimationValue& aValue) const;
      52             : 
      53             : private:
      54           4 :   ~AnimValuesStyleRule() {}
      55             : 
      56             :   nsDataHashtable<nsUint32HashKey, StyleAnimationValue> mAnimationValues;
      57             : 
      58             :   uint32_t mStyleBits;
      59             : };
      60             : 
      61             : } // namespace mozilla
      62             : 
      63             : #endif // mozilla_AnimValuesStyleRule_h