/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* 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_dom_AnimationUtils_h #define mozilla_dom_AnimationUtils_h #include "mozilla/TimeStamp.h" #include "mozilla/dom/Nullable.h" #include "nsStringFwd.h" class nsIContent; class nsIDocument; struct JSContext; namespace mozilla { class ComputedTimingFunction; class AnimationUtils { public: static dom::Nullable TimeDurationToDouble(const dom::Nullable& aTime) { dom::Nullable result; if (!aTime.IsNull()) { result.SetValue(aTime.Value().ToMilliseconds()); } return result; } static dom::Nullable DoubleToTimeDuration(const dom::Nullable& aTime) { dom::Nullable result; if (!aTime.IsNull()) { result.SetValue(TimeDuration::FromMilliseconds(aTime.Value())); } return result; } static void LogAsyncAnimationFailure(nsCString& aMessage, const nsIContent* aContent = nullptr); /** * Get the document from the JS context to use when parsing CSS properties. */ static nsIDocument* GetCurrentRealmDocument(JSContext* aCx); /** * Checks if offscreen animation throttling is enabled. */ static bool IsOffscreenThrottlingEnabled(); /** * Returns true if the preference to enable the core Web Animations API is * true or the caller is chrome. */ static bool IsCoreAPIEnabledForCaller(); }; } // namespace mozilla #endif