mirror of
https://github.com/mozilla/gecko-dev.git
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88 lines
2.3 KiB
C++
88 lines
2.3 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_StyleSheet_h
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#define mozilla_StyleSheet_h
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#include "mozilla/css/SheetParsingMode.h"
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#include "mozilla/StyleBackendType.h"
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#include "mozilla/StyleSheetHandle.h"
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#include "mozilla/StyleSheetInfo.h"
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class nsIDocument;
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class nsINode;
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namespace mozilla {
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class CSSStyleSheet;
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class ServoStyleSheet;
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/**
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* Superclass for data common to CSSStyleSheet and ServoStyleSheet.
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*/
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class StyleSheet
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{
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protected:
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explicit StyleSheet(StyleBackendType aType);
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StyleSheet(const StyleSheet& aCopy,
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nsIDocument* aDocumentToUse,
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nsINode* aOwningNodeToUse);
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public:
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void SetOwningNode(nsINode* aOwningNode)
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{
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mOwningNode = aOwningNode;
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}
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void SetParsingMode(css::SheetParsingMode aParsingMode)
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{
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mParsingMode = aParsingMode;
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}
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nsINode* GetOwnerNode() const { return mOwningNode; }
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// The document this style sheet is associated with. May be null
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nsIDocument* GetDocument() const { return mDocument; }
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/**
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* Whether the sheet is complete.
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*/
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bool IsComplete() const;
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void SetComplete();
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// Get a handle to the various stylesheet bits which live on the 'inner' for
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// gecko stylesheets and live on the StyleSheet for Servo stylesheets.
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StyleSheetInfo& SheetInfo();
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const StyleSheetInfo& SheetInfo() const { return const_cast<StyleSheet*>(this)->SheetInfo(); };
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bool IsGecko() const { return !IsServo(); }
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bool IsServo() const
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{
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#ifdef MOZ_STYLO
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return mType == StyleBackendType::Servo;
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#else
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return false;
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#endif
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}
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// Only safe to call if the caller has verified that that |this| is of the
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// correct type.
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inline CSSStyleSheet& AsGecko();
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inline ServoStyleSheet& AsServo();
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inline StyleSheetHandle AsHandle();
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protected:
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nsIDocument* mDocument; // weak ref; parents maintain this for their children
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nsINode* mOwningNode; // weak ref
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css::SheetParsingMode mParsingMode;
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StyleBackendType mType;
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bool mDisabled;
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};
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} // namespace mozilla
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#endif // mozilla_StyleSheet_h
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