зеркало из https://github.com/mozilla/gecko-dev.git
87 строки
2.7 KiB
C++
87 строки
2.7 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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/*
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* style sheet and style rule processor representing data from presentational
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* HTML attributes
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*/
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#ifndef mozilla_AttributeStyles_h_
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#define mozilla_AttributeStyles_h_
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#include "nsColor.h"
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#include "nsCOMPtr.h"
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#include "nsAtom.h"
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#include "PLDHashTable.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/MemoryReporting.h"
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#include "nsTHashMap.h"
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#include "nsString.h"
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struct MiscContainer;
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namespace mozilla {
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struct StyleLockedDeclarationBlock;
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namespace dom {
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class Document;
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} // namespace dom
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class AttributeStyles final {
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public:
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explicit AttributeStyles(dom::Document* aDocument);
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void SetOwningDocument(dom::Document* aDocument);
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NS_INLINE_DECL_REFCOUNTING(AttributeStyles)
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size_t DOMSizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const;
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void Reset();
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nsresult SetLinkColor(nscolor aColor);
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nsresult SetActiveLinkColor(nscolor aColor);
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nsresult SetVisitedLinkColor(nscolor aColor);
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const StyleLockedDeclarationBlock* GetServoUnvisitedLinkDecl() const {
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return mServoUnvisitedLinkDecl;
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}
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const StyleLockedDeclarationBlock* GetServoVisitedLinkDecl() const {
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return mServoVisitedLinkDecl;
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}
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const StyleLockedDeclarationBlock* GetServoActiveLinkDecl() const {
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return mServoActiveLinkDecl;
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}
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void CacheStyleAttr(const nsAString& aSerialized, MiscContainer* aValue) {
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mCachedStyleAttrs.InsertOrUpdate(aSerialized, aValue);
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}
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void EvictStyleAttr(const nsAString& aSerialized, MiscContainer* aValue) {
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NS_ASSERTION(LookupStyleAttr(aSerialized) == aValue,
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"Cached value doesn't match?");
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mCachedStyleAttrs.Remove(aSerialized);
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}
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MiscContainer* LookupStyleAttr(const nsAString& aSerialized) {
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return mCachedStyleAttrs.Get(aSerialized);
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}
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AttributeStyles(const AttributeStyles& aCopy) = delete;
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AttributeStyles& operator=(const AttributeStyles& aCopy) = delete;
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private:
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~AttributeStyles();
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// Implementation of SetLink/VisitedLink/ActiveLinkColor
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nsresult ImplLinkColorSetter(RefPtr<StyleLockedDeclarationBlock>& aDecl,
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nscolor aColor);
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dom::Document* mDocument;
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RefPtr<StyleLockedDeclarationBlock> mServoUnvisitedLinkDecl;
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RefPtr<StyleLockedDeclarationBlock> mServoVisitedLinkDecl;
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RefPtr<StyleLockedDeclarationBlock> mServoActiveLinkDecl;
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nsTHashMap<nsStringHashKey, MiscContainer*> mCachedStyleAttrs;
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};
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} // namespace mozilla
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#endif
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