forked from mirrors/gecko-dev
a33f11e0f5
We should not be declaring forward declarations for nsString classes directly, instead we should use nsStringFwd.h. This will make changing the underlying types easier. --HG-- extra : rebase_source : b2c7554e8632f078167ff2f609392e63a136c299
82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_AnimationPerformanceWarning_h
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#define mozilla_dom_AnimationPerformanceWarning_h
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#include <initializer_list>
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#include "mozilla/Maybe.h"
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#include "nsStringFwd.h"
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#include "nsTArray.h"
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namespace mozilla {
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// Represents the reason why we can't run the CSS property on the compositor.
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struct AnimationPerformanceWarning
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{
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enum class Type : uint8_t {
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ContentTooLarge,
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ContentTooLargeArea,
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TransformBackfaceVisibilityHidden,
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TransformPreserve3D,
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TransformSVG,
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TransformWithGeometricProperties,
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TransformWithSyncGeometricAnimations,
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TransformFrameInactive,
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OpacityFrameInactive,
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HasRenderingObserver,
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};
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explicit AnimationPerformanceWarning(Type aType)
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: mType(aType) { }
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AnimationPerformanceWarning(Type aType,
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std::initializer_list<int32_t> aParams)
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: mType(aType)
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{
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// FIXME: Once std::initializer_list::size() become a constexpr function,
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// we should use static_assert here.
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MOZ_ASSERT(aParams.size() <= kMaxParamsForLocalization,
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"The length of parameters should be less than "
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"kMaxParamsForLocalization");
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mParams.emplace(aParams);
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}
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// Maximum number of parameters passed to
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// nsContentUtils::FormatLocalizedString to localize warning messages.
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//
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// NOTE: This constexpr can't be forward declared, so if you want to use
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// this variable, please include this header file directly.
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// This value is the same as the limit of nsStringBundle::FormatString.
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// See the implementation of nsStringBundle::FormatString.
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static constexpr uint8_t kMaxParamsForLocalization = 10;
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// Indicates why this property could not be animated on the compositor.
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Type mType;
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// Optional parameters that may be used for localization.
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Maybe<nsTArray<int32_t>> mParams;
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bool ToLocalizedString(nsAString& aLocalizedString) const;
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template<uint32_t N>
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nsresult ToLocalizedStringWithIntParams(
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const char* aKey, nsAString& aLocalizedString) const;
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bool operator==(const AnimationPerformanceWarning& aOther) const
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{
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return mType == aOther.mType &&
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mParams == aOther.mParams;
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}
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bool operator!=(const AnimationPerformanceWarning& aOther) const
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{
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return !(*this == aOther);
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}
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};
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} // namespace mozilla
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#endif // mozilla_dom_AnimationPerformanceWarning_h
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