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/* -*- 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_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<double>
TimeDurationToDouble(const dom::Nullable<TimeDuration>& aTime)
{
dom::Nullable<double> result;
if (!aTime.IsNull()) {
result.SetValue(aTime.Value().ToMilliseconds());
}
return result;
}
static dom::Nullable<TimeDuration>
DoubleToTimeDuration(const dom::Nullable<double>& aTime)
{
dom::Nullable<TimeDuration> 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
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