forked from mirrors/gecko-dev
91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
/* -*- 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 "nsRFPService.h"
|
|
#include "nsStringFwd.h"
|
|
|
|
class nsIContent;
|
|
class nsIFrame;
|
|
struct JSContext;
|
|
|
|
namespace mozilla {
|
|
|
|
enum class PseudoStyleType : uint8_t;
|
|
class ComputedTimingFunction;
|
|
class EffectSet;
|
|
|
|
namespace dom {
|
|
class Document;
|
|
class Element;
|
|
} // namespace dom
|
|
|
|
class AnimationUtils {
|
|
public:
|
|
typedef dom::Document Document;
|
|
|
|
static dom::Nullable<double> TimeDurationToDouble(
|
|
const dom::Nullable<TimeDuration>& aTime) {
|
|
dom::Nullable<double> result;
|
|
|
|
if (!aTime.IsNull()) {
|
|
// 0 is an inappropriate mixin for this this area; however CSS Animations
|
|
// needs to have it's Time Reduction Logic refactored, so it's currently
|
|
// only clamping for RFP mode. RFP mode gives a much lower time precision,
|
|
// so we accept the security leak here for now
|
|
result.SetValue(nsRFPService::ReduceTimePrecisionAsMSecsRFPOnly(
|
|
aTime.Value().ToMilliseconds(), 0));
|
|
}
|
|
|
|
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 Document* GetCurrentRealmDocument(JSContext* aCx);
|
|
|
|
/**
|
|
* Get the document from the global object, or nullptr if the document has
|
|
* no window, to use when constructing DOM object without entering the
|
|
* target window's compartment (see KeyframeEffect constructor).
|
|
*/
|
|
static Document* GetDocumentFromGlobal(JSObject* aGlobalObject);
|
|
|
|
/**
|
|
* Returns true if the given frame has an animated scale.
|
|
*/
|
|
static bool FrameHasAnimatedScale(const nsIFrame* aFrame);
|
|
|
|
/**
|
|
* Returns true if the given (pseudo-)element has any transitions that are
|
|
* current (playing or waiting to play) or in effect (e.g. filling forwards).
|
|
*/
|
|
static bool HasCurrentTransitions(const dom::Element* aElement,
|
|
PseudoStyleType aPseudoType);
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif
|