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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_AnimationPerformanceWarning_h
#define mozilla_dom_AnimationPerformanceWarning_h
#include <initializer_list>
#include "mozilla/Maybe.h"
#include "nsTArray.h"
class nsXPIDLString;
namespace mozilla {
// Represents the reason why we can't run the CSS property on the compositor.
struct AnimationPerformanceWarning
{
enum class Type : uint8_t {
ContentTooSmall,
ContentTooLarge,
TransformBackfaceVisibilityHidden,
TransformPreserve3D,
TransformSVG,
TransformWithGeometricProperties,
TransformFrameInactive,
OpacityFrameInactive,
HasRenderingObserver,
};
explicit AnimationPerformanceWarning(Type aType)
: mType(aType) { }
AnimationPerformanceWarning(Type aType,
std::initializer_list<int32_t> aParams)
: mType(aType)
{
// FIXME: Once std::initializer_list::size() become a constexpr function,
// we should use static_assert here.
MOZ_ASSERT(aParams.size() <= kMaxParamsForLocalization,
"The length of parameters should be less than "
"kMaxParamsForLocalization");
mParams.emplace(aParams);
}
// Maximum number of parameters passed to
// nsContentUtils::FormatLocalizedString to localize warning messages.
//
// NOTE: This constexpr can't be forward declared, so if you want to use
// this variable, please include this header file directly.
// This value is the same as the limit of nsStringBundle::FormatString.
// See the implementation of nsStringBundle::FormatString.
static constexpr uint8_t kMaxParamsForLocalization = 10;
// Indicates why this property could not be animated on the compositor.
Type mType;
// Optional parameters that may be used for localization.
Maybe<nsTArray<int32_t>> mParams;
bool ToLocalizedString(nsXPIDLString& aLocalizedString) const;
template<uint32_t N>
nsresult ToLocalizedStringWithIntParams(
const char* aKey, nsXPIDLString& aLocalizedString) const;
bool operator==(const AnimationPerformanceWarning& aOther) const
{
return mType == aOther.mType &&
mParams == aOther.mParams;
}
bool operator!=(const AnimationPerformanceWarning& aOther) const
{
return !(*this == aOther);
}
};
} // namespace mozilla
#endif // mozilla_dom_AnimationPerformanceWarning_h
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