Line data    Source code

       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 file,
       5             :  * You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef mozilla_dom_AnimationPropertySegment_h
       8             : #define mozilla_dom_AnimationPropertySegment_h
       9             : 
      10             : #include "mozilla/ComputedTimingFunction.h"
      11             : #include "mozilla/Maybe.h"
      12             : #include "mozilla/StyleAnimationValue.h" // For AnimationValue
      13             : #include "mozilla/dom/BaseKeyframeTypesBinding.h" // For CompositeOperation
      14             : 
      15             : namespace mozilla {
      16             : 
      17          14 : struct AnimationPropertySegment
      18             : {
      19             :   float mFromKey, mToKey;
      20             :   // NOTE: In the case that no keyframe for 0 or 1 offset is specified
      21             :   // the unit of mFromValue or mToValue is eUnit_Null.
      22             :   AnimationValue mFromValue, mToValue;
      23             : 
      24             :   Maybe<ComputedTimingFunction> mTimingFunction;
      25             :   dom::CompositeOperation mFromComposite = dom::CompositeOperation::Replace;
      26             :   dom::CompositeOperation mToComposite = dom::CompositeOperation::Replace;
      27             : 
      28          10 :   bool HasReplaceableValues() const
      29             :   {
      30          10 :     return HasReplaceableFromValue() && HasReplaceableToValue();
      31             :   }
      32             : 
      33          10 :   bool HasReplaceableFromValue() const
      34             :   {
      35          20 :     return !mFromValue.IsNull() &&
      36          20 :            mFromComposite == dom::CompositeOperation::Replace;
      37             :   }
      38             : 
      39          10 :   bool HasReplaceableToValue() const
      40             :   {
      41          20 :     return !mToValue.IsNull() &&
      42          20 :            mToComposite == dom::CompositeOperation::Replace;
      43             :   }
      44             : 
      45           6 :   bool operator==(const AnimationPropertySegment& aOther) const
      46             :   {
      47          12 :     return mFromKey == aOther.mFromKey &&
      48          12 :            mToKey == aOther.mToKey &&
      49          12 :            mFromValue == aOther.mFromValue &&
      50          12 :            mToValue == aOther.mToValue &&
      51          12 :            mTimingFunction == aOther.mTimingFunction &&
      52          18 :            mFromComposite == aOther.mFromComposite &&
      53          12 :            mToComposite == aOther.mToComposite;
      54             :   }
      55             :   bool operator!=(const AnimationPropertySegment& aOther) const
      56             :   {
      57             :     return !(*this == aOther);
      58             :   }
      59             : };
      60             : 
      61             : }
      62             : 
      63             : #endif // mozilla_dom_AnimationPropertySegment_h