зеркало из https://github.com/mozilla/gecko-dev.git
264 строки
11 KiB
C++
264 строки
11 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_ServoBindingTypes_h
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#define mozilla_ServoBindingTypes_h
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#include "mozilla/RefPtr.h"
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#include "mozilla/ServoComputedData.h"
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#include "mozilla/ServoTypes.h"
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#include "mozilla/SheetType.h"
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#include "mozilla/UniquePtr.h"
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#include "mozilla/gfx/Types.h"
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#include "nsCSSPropertyID.h"
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#include "nsStyleAutoArray.h"
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#include "nsTArray.h"
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struct RawServoAuthorStyles;
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struct RawServoStyleSet;
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struct RawServoSelectorList;
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struct RawServoSourceSizeList;
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struct RawServoAnimationValueMap;
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struct RustString;
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struct StyleUseCounters;
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#define SERVO_ARC_TYPE(name_, type_) struct type_;
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#include "mozilla/ServoArcTypeList.h"
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#undef SERVO_ARC_TYPE
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namespace mozilla {
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class ServoElementSnapshot;
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class ComputedStyle;
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struct StyleAnimation;
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struct URLExtraData;
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namespace dom {
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class Element;
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class StyleChildrenIterator;
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} // namespace dom
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struct AnimationPropertySegment;
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struct ComputedTiming;
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struct Keyframe;
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struct PropertyValuePair;
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struct PropertyStyleAnimationValuePair;
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enum class OriginFlags : uint8_t;
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using ComputedKeyframeValues = nsTArray<PropertyStyleAnimationValuePair>;
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} // namespace mozilla
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namespace nsStyleTransformMatrix {
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enum class MatrixTransformOperator: uint8_t;
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}
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class nsCSSPropertyIDSet;
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class nsCSSValue;
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struct nsFontFaceRuleContainer;
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class nsIDocument;
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class nsINode;
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class nsPresContext;
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class nsSimpleContentList;
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struct nsTimingFunction;
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class nsXBLBinding;
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using mozilla::dom::StyleChildrenIterator;
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using mozilla::ServoElementSnapshot;
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typedef void* RawServoAnimationValueTableBorrowed;
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typedef nsINode RawGeckoNode;
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typedef mozilla::dom::Element RawGeckoElement;
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typedef nsIDocument RawGeckoDocument;
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typedef nsPresContext RawGeckoPresContext;
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typedef nsXBLBinding RawGeckoXBLBinding;
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typedef mozilla::URLExtraData RawGeckoURLExtraData;
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typedef nsTArray<RefPtr<RawServoAnimationValue>> RawGeckoServoAnimationValueList;
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typedef nsTArray<mozilla::Keyframe> RawGeckoKeyframeList;
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typedef nsTArray<mozilla::PropertyValuePair> RawGeckoPropertyValuePairList;
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typedef nsTArray<mozilla::ComputedKeyframeValues> RawGeckoComputedKeyframeValuesList;
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typedef nsStyleAutoArray<mozilla::StyleAnimation> RawGeckoStyleAnimationList;
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typedef nsTArray<nsFontFaceRuleContainer> RawGeckoFontFaceRuleList;
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typedef mozilla::AnimationPropertySegment RawGeckoAnimationPropertySegment;
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typedef mozilla::ComputedTiming RawGeckoComputedTiming;
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typedef nsTArray<const RawServoStyleRule*> RawGeckoServoStyleRuleList;
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typedef nsTArray<nsCSSPropertyID> RawGeckoCSSPropertyIDList;
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typedef mozilla::gfx::Float RawGeckoGfxMatrix4x4[16];
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typedef mozilla::dom::StyleChildrenIterator RawGeckoStyleChildrenIterator;
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// A callback that can be sent via FFI which will be invoked _right before_
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// being mutated, and at most once.
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struct DeclarationBlockMutationClosure
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{
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// The callback function. The argument is `data`.
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void (*function)(void*) = nullptr;
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void* data = nullptr;
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};
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// We have these helper types so that we can directly generate
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// things like &T or Borrowed<T> on the Rust side in the function, providing
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// additional safety benefits.
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//
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// FFI has a problem with templated types, so we just use raw pointers here.
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//
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// The "Borrowed" types generate &T or Borrowed<T> in the nullable case.
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//
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// The "Owned" types generate Owned<T> or OwnedOrNull<T>. Some of these
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// are Servo-managed and can be converted to Box<ServoType> on the
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// Servo side.
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//
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// The "Arc" types are Servo-managed Arc<ServoType>s, which are passed
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// over FFI as Strong<T> (which is nullable).
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// Note that T != ServoType, rather T is ArcInner<ServoType>
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#define DECL_BORROWED_REF_TYPE_FOR(type_) typedef type_ const* type_##Borrowed;
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#define DECL_NULLABLE_BORROWED_REF_TYPE_FOR(type_) typedef type_ const* type_##BorrowedOrNull;
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#define DECL_BORROWED_MUT_REF_TYPE_FOR(type_) typedef type_* type_##BorrowedMut;
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#define DECL_NULLABLE_BORROWED_MUT_REF_TYPE_FOR(type_) typedef type_* type_##BorrowedMutOrNull;
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#define SERVO_ARC_TYPE(name_, type_) \
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DECL_NULLABLE_BORROWED_REF_TYPE_FOR(type_) \
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DECL_BORROWED_REF_TYPE_FOR(type_) \
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DECL_BORROWED_MUT_REF_TYPE_FOR(type_) \
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struct MOZ_MUST_USE_TYPE type_##Strong \
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{ \
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type_* mPtr; \
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already_AddRefed<type_> Consume(); \
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};
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#include "mozilla/ServoArcTypeList.h"
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#undef SERVO_ARC_TYPE
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typedef mozilla::ComputedStyle const* ComputedStyleBorrowed;
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typedef mozilla::ComputedStyle const* ComputedStyleBorrowedOrNull;
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typedef ServoComputedData const* ServoComputedDataBorrowed;
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struct MOZ_MUST_USE_TYPE ComputedStyleStrong
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{
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mozilla::ComputedStyle* mPtr;
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already_AddRefed<mozilla::ComputedStyle> Consume();
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};
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#define DECL_OWNED_REF_TYPE_FOR(type_) \
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typedef type_* type_##Owned; \
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DECL_BORROWED_REF_TYPE_FOR(type_) \
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DECL_BORROWED_MUT_REF_TYPE_FOR(type_)
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#define DECL_NULLABLE_OWNED_REF_TYPE_FOR(type_) \
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typedef type_* type_##OwnedOrNull; \
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DECL_NULLABLE_BORROWED_REF_TYPE_FOR(type_) \
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DECL_NULLABLE_BORROWED_MUT_REF_TYPE_FOR(type_)
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// This is a reference to a reference of RawServoDeclarationBlock, which
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// corresponds to Option<&Arc<Locked<RawServoDeclarationBlock>>> in Servo side.
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DECL_NULLABLE_BORROWED_REF_TYPE_FOR(RawServoDeclarationBlockStrong)
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DECL_OWNED_REF_TYPE_FOR(RawServoAuthorStyles)
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DECL_NULLABLE_BORROWED_REF_TYPE_FOR(RawServoAuthorStyles)
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DECL_OWNED_REF_TYPE_FOR(RawServoStyleSet)
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DECL_NULLABLE_BORROWED_REF_TYPE_FOR(RawServoStyleSet)
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DECL_NULLABLE_OWNED_REF_TYPE_FOR(StyleChildrenIterator)
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DECL_OWNED_REF_TYPE_FOR(StyleChildrenIterator)
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DECL_OWNED_REF_TYPE_FOR(ServoElementSnapshot)
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DECL_OWNED_REF_TYPE_FOR(RawServoAnimationValueMap)
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// We don't use BorrowedMut because the nodes may alias
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// Servo itself doesn't directly read or mutate these;
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// it only asks Gecko to do so. In case we wish to in
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// the future, we should ensure that things being mutated
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// are protected from noalias violations by a cell type
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DECL_BORROWED_REF_TYPE_FOR(RawGeckoNode)
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DECL_NULLABLE_BORROWED_REF_TYPE_FOR(RawGeckoNode)
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DECL_BORROWED_REF_TYPE_FOR(RawGeckoElement)
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DECL_NULLABLE_BORROWED_REF_TYPE_FOR(RawGeckoElement)
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DECL_BORROWED_REF_TYPE_FOR(RawGeckoDocument)
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DECL_NULLABLE_BORROWED_REF_TYPE_FOR(RawGeckoDocument)
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DECL_BORROWED_REF_TYPE_FOR(RawGeckoXBLBinding)
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DECL_NULLABLE_BORROWED_REF_TYPE_FOR(RawGeckoXBLBinding)
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DECL_BORROWED_MUT_REF_TYPE_FOR(StyleChildrenIterator)
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DECL_BORROWED_MUT_REF_TYPE_FOR(ServoElementSnapshot)
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DECL_BORROWED_REF_TYPE_FOR(nsCSSValue)
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DECL_BORROWED_MUT_REF_TYPE_FOR(nsCSSValue)
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DECL_OWNED_REF_TYPE_FOR(RawGeckoPresContext)
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DECL_BORROWED_REF_TYPE_FOR(RawGeckoPresContext)
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DECL_BORROWED_MUT_REF_TYPE_FOR(RawGeckoServoAnimationValueList)
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DECL_BORROWED_REF_TYPE_FOR(RawGeckoServoAnimationValueList)
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DECL_BORROWED_MUT_REF_TYPE_FOR(RawGeckoKeyframeList)
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DECL_BORROWED_REF_TYPE_FOR(RawGeckoKeyframeList)
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DECL_BORROWED_MUT_REF_TYPE_FOR(RawGeckoPropertyValuePairList)
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DECL_BORROWED_REF_TYPE_FOR(RawGeckoPropertyValuePairList)
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DECL_BORROWED_MUT_REF_TYPE_FOR(RawGeckoComputedKeyframeValuesList)
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DECL_BORROWED_MUT_REF_TYPE_FOR(RawGeckoStyleAnimationList)
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DECL_BORROWED_REF_TYPE_FOR(RawGeckoStyleAnimationList)
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DECL_BORROWED_MUT_REF_TYPE_FOR(nsTimingFunction)
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DECL_BORROWED_REF_TYPE_FOR(nsTimingFunction)
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DECL_BORROWED_MUT_REF_TYPE_FOR(RawGeckoFontFaceRuleList)
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DECL_BORROWED_REF_TYPE_FOR(RawGeckoAnimationPropertySegment)
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DECL_BORROWED_REF_TYPE_FOR(RawGeckoComputedTiming)
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DECL_BORROWED_MUT_REF_TYPE_FOR(RawGeckoServoStyleRuleList)
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DECL_BORROWED_MUT_REF_TYPE_FOR(nsCSSPropertyIDSet)
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DECL_BORROWED_REF_TYPE_FOR(RawGeckoCSSPropertyIDList)
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DECL_BORROWED_REF_TYPE_FOR(nsXBLBinding)
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DECL_BORROWED_MUT_REF_TYPE_FOR(RawGeckoStyleChildrenIterator)
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DECL_OWNED_REF_TYPE_FOR(RawServoSelectorList)
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DECL_BORROWED_REF_TYPE_FOR(RawServoSelectorList)
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DECL_OWNED_REF_TYPE_FOR(RawServoSourceSizeList)
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DECL_BORROWED_REF_TYPE_FOR(RawServoSourceSizeList)
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DECL_NULLABLE_BORROWED_REF_TYPE_FOR(RawServoSourceSizeList)
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DECL_OWNED_REF_TYPE_FOR(StyleUseCounters)
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DECL_NULLABLE_OWNED_REF_TYPE_FOR(StyleUseCounters)
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DECL_BORROWED_REF_TYPE_FOR(StyleUseCounters)
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DECL_NULLABLE_BORROWED_REF_TYPE_FOR(StyleUseCounters)
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#undef DECL_ARC_REF_TYPE_FOR
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#undef DECL_OWNED_REF_TYPE_FOR
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#undef DECL_NULLABLE_OWNED_REF_TYPE_FOR
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#undef DECL_BORROWED_REF_TYPE_FOR
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#undef DECL_NULLABLE_BORROWED_REF_TYPE_FOR
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#undef DECL_BORROWED_MUT_REF_TYPE_FOR
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#undef DECL_NULLABLE_BORROWED_MUT_REF_TYPE_FOR
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#define SERVO_ARC_TYPE(name_, type_) \
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extern "C" { \
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void Servo_##name_##_AddRef(type_##Borrowed ptr); \
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void Servo_##name_##_Release(type_##Borrowed ptr); \
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} \
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namespace mozilla { \
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template<> struct RefPtrTraits<type_> { \
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static void AddRef(type_* aPtr) { \
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Servo_##name_##_AddRef(aPtr); \
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} \
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static void Release(type_* aPtr) { \
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Servo_##name_##_Release(aPtr); \
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} \
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}; \
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}
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#include "mozilla/ServoArcTypeList.h"
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#undef SERVO_ARC_TYPE
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#define DEFINE_BOXED_TYPE(name_, type_) \
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extern "C" void Servo_##name_##_Drop(type_##Owned ptr); \
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namespace mozilla { \
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template<> \
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class DefaultDelete<type_> \
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{ \
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public: \
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void operator()(type_* aPtr) const \
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{ \
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Servo_##name_##_Drop(aPtr); \
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} \
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}; \
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}
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DEFINE_BOXED_TYPE(StyleSet, RawServoStyleSet);
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DEFINE_BOXED_TYPE(AuthorStyles, RawServoAuthorStyles);
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DEFINE_BOXED_TYPE(SelectorList, RawServoSelectorList);
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DEFINE_BOXED_TYPE(SourceSizeList, RawServoSourceSizeList);
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DEFINE_BOXED_TYPE(UseCounters, StyleUseCounters);
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#undef DEFINE_BOXED_TYPE
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// used for associating sheet type with specific @font-face rules
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struct nsFontFaceRuleContainer
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{
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RefPtr<RawServoFontFaceRule> mRule;
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mozilla::SheetType mSheetType;
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};
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#endif // mozilla_ServoBindingTypes_h
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