зеркало из https://github.com/mozilla/gecko-dev.git
121 строка
5.3 KiB
C++
121 строка
5.3 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_ServoBindings_h
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#define mozilla_ServoBindings_h
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#include "stdint.h"
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#include "mozilla/css/SheetParsingMode.h"
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/*
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* API for Servo to access Gecko data structures. This file must compile as valid
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* C code in order for the binding generator to parse it.
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*
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* Functions beginning with Gecko_ are implemented in Gecko and invoked from Servo.
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* Functions beginning with Servo_ are implemented in Servo and invoked from Gecko.
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*/
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class nsIAtom;
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class nsINode;
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typedef nsINode RawGeckoNode;
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namespace mozilla { namespace dom { class Element; } }
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using mozilla::dom::Element;
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typedef mozilla::dom::Element RawGeckoElement;
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class nsIDocument;
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typedef nsIDocument RawGeckoDocument;
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struct ServoNodeData;
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struct ServoComputedValues;
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struct RawServoStyleSheet;
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struct RawServoStyleSet;
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extern "C" {
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// DOM Traversal.
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uint32_t Gecko_ChildrenCount(RawGeckoNode* node);
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bool Gecko_NodeIsElement(RawGeckoNode* node);
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RawGeckoNode* Gecko_GetParentNode(RawGeckoNode* node);
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RawGeckoNode* Gecko_GetFirstChild(RawGeckoNode* node);
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RawGeckoNode* Gecko_GetLastChild(RawGeckoNode* node);
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RawGeckoNode* Gecko_GetPrevSibling(RawGeckoNode* node);
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RawGeckoNode* Gecko_GetNextSibling(RawGeckoNode* node);
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RawGeckoElement* Gecko_GetParentElement(RawGeckoElement* element);
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RawGeckoElement* Gecko_GetFirstChildElement(RawGeckoElement* element);
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RawGeckoElement* Gecko_GetLastChildElement(RawGeckoElement* element);
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RawGeckoElement* Gecko_GetPrevSiblingElement(RawGeckoElement* element);
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RawGeckoElement* Gecko_GetNextSiblingElement(RawGeckoElement* element);
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RawGeckoElement* Gecko_GetDocumentElement(RawGeckoDocument* document);
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// Selector Matching.
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uint8_t Gecko_ElementState(RawGeckoElement* element);
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bool Gecko_IsHTMLElementInHTMLDocument(RawGeckoElement* element);
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bool Gecko_IsLink(RawGeckoElement* element);
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bool Gecko_IsTextNode(RawGeckoNode* node);
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bool Gecko_IsVisitedLink(RawGeckoElement* element);
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bool Gecko_IsUnvisitedLink(RawGeckoElement* element);
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bool Gecko_IsRootElement(RawGeckoElement* element);
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// Node data.
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ServoNodeData* Gecko_GetNodeData(RawGeckoNode* node);
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void Gecko_SetNodeData(RawGeckoNode* node, ServoNodeData* data);
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void Servo_DropNodeData(ServoNodeData* data);
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// Counter style.
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struct nsStyleList;
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void Gecko_SetListStyleType(nsStyleList* style_struct, uint32_t type);
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void Gecko_CopyListStyleTypeFrom(nsStyleList* dst, const nsStyleList* src);
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// Styleset and Stylesheet management.
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//
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// TODO: Make these return already_AddRefed and UniquePtr when the binding
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// generator is smart enough to handle them.
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RawServoStyleSheet* Servo_StylesheetFromUTF8Bytes(const uint8_t* bytes, uint32_t length,
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mozilla::css::SheetParsingMode parsing_mode);
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void Servo_AddRefStyleSheet(RawServoStyleSheet* sheet);
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void Servo_ReleaseStyleSheet(RawServoStyleSheet* sheet);
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void Servo_AppendStyleSheet(RawServoStyleSheet* sheet, RawServoStyleSet* set);
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void Servo_PrependStyleSheet(RawServoStyleSheet* sheet, RawServoStyleSet* set);
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void Servo_RemoveStyleSheet(RawServoStyleSheet* sheet, RawServoStyleSet* set);
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void Servo_InsertStyleSheetBefore(RawServoStyleSheet* sheet,
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RawServoStyleSheet* reference,
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RawServoStyleSet* set);
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bool Servo_StyleSheetHasRules(RawServoStyleSheet* sheet);
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RawServoStyleSet* Servo_InitStyleSet();
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void Servo_DropStyleSet(RawServoStyleSet* set);
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// Computed style data.
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ServoComputedValues* Servo_GetComputedValues(RawGeckoNode* node);
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ServoComputedValues* Servo_GetComputedValuesForAnonymousBox(ServoComputedValues* parentStyleOrNull,
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nsIAtom* pseudoTag,
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RawServoStyleSet* set);
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ServoComputedValues* Servo_GetComputedValuesForPseudoElement(ServoComputedValues* parent_style,
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RawGeckoElement* match_element,
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nsIAtom* pseudo_tag,
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RawServoStyleSet* set,
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bool is_probe);
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ServoComputedValues* Servo_InheritComputedValues(ServoComputedValues* parent_style);
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void Servo_AddRefComputedValues(ServoComputedValues*);
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void Servo_ReleaseComputedValues(ServoComputedValues*);
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// Initialize Servo components. Should be called exactly once at startup.
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void Servo_Initialize();
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// Restyle the given document.
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void Servo_RestyleDocument(RawGeckoDocument* doc, RawServoStyleSet* set);
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// Style-struct management.
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#define STYLE_STRUCT(name, checkdata_cb) \
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struct nsStyle##name; \
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void Gecko_Construct_nsStyle##name(nsStyle##name* ptr); \
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void Gecko_CopyConstruct_nsStyle##name(nsStyle##name* ptr, const nsStyle##name* other); \
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void Gecko_Destroy_nsStyle##name(nsStyle##name* ptr); \
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const nsStyle##name* Servo_GetStyle##name(ServoComputedValues* computedValues);
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#include "nsStyleStructList.h"
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#undef STYLE_STRUCT
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} // extern "C"
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#endif // mozilla_ServoBindings_h
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