dom/animation/AnimationComparator.h
author Kartikaya Gupta <kgupta@mozilla.com>
Tue, 18 Aug 2015 14:27:18 -0400
changeset 258262 0700729ed00747937218685cd95a660a3bfc1910
parent 251991 6a5491acd59ccdeaa0baf2ca3b4329dcf677f8dd
child 391978 5009b892ddb56abdbcaa325d46478bc1e2a60d20
permissions -rw-r--r--
Bug 1180295 - Hook up touch-based scrolling to the new DynamicToolbarAnimator. r=rbarker

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_AnimationComparator_h
#define mozilla_AnimationComparator_h

namespace mozilla {

// Although this file is called AnimationComparator, we don't actually
// implement AnimationComparator (to compare const Animation& parameters)
// since it's not actually needed (yet).

template<typename AnimationPtrType>
class AnimationPtrComparator {
public:
  bool Equals(const AnimationPtrType& a, const AnimationPtrType& b) const
  {
    return a == b;
  }

  bool LessThan(const AnimationPtrType& a, const AnimationPtrType& b) const
  {
    return a->HasLowerCompositeOrderThan(*b);
  }
};

} // namespace mozilla

#endif // mozilla_AnimationComparator_h