AnimationComparator.h (1080B)
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_AnimationComparator_h 8 #define mozilla_AnimationComparator_h 9 10 #include "mozilla/dom/Animation.h" 11 12 namespace mozilla { 13 14 // Although this file is called AnimationComparator, we don't actually 15 // implement AnimationComparator (to compare const Animation& parameters) 16 // since it's not actually needed (yet). 17 18 template <typename AnimationPtrType> 19 class AnimationPtrComparator { 20 mutable nsContentUtils::NodeIndexCache mCache; 21 22 public: 23 bool Equals(const AnimationPtrType& a, const AnimationPtrType& b) const { 24 return a == b; 25 } 26 27 bool LessThan(const AnimationPtrType& a, const AnimationPtrType& b) const { 28 return a->CompareCompositeOrder(*b, mCache) < 0; 29 } 30 }; 31 32 } // namespace mozilla 33 34 #endif // mozilla_AnimationComparator_h