/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
* style sheet and style rule processor representing data from presentational
* HTML attributes
*/
#ifndef mozilla_AttributeStyles_h_
#define mozilla_AttributeStyles_h_
#include "nsColor.h"
#include "nsCOMPtr.h"
#include "nsAtom.h"
#include "PLDHashTable.h"
#include "mozilla/Attributes.h"
#include "mozilla/MemoryReporting.h"
#include "nsTHashMap.h"
#include "nsString.h"
struct MiscContainer;
namespace mozilla {
struct StyleLockedDeclarationBlock;
namespace dom {
class Document;
}
// namespace dom
class AttributeStyles final {
public:
explicit AttributeStyles(dom::Document* aDocument);
void SetOwningDocument(dom::Document* aDocument);
NS_INLINE_DECL_REFCOUNTING(AttributeStyles)
size_t DOMSizeOfIncludingThis(MallocSizeOf aMallocSizeOf)
const;
void Reset();
nsresult SetLinkColor(nscolor aColor);
nsresult SetActiveLinkColor(nscolor aColor);
nsresult SetVisitedLinkColor(nscolor aColor);
const StyleLockedDeclarationBlock* GetServoUnvisitedLinkDecl()
const {
return mServoUnvisitedLinkDecl;
}
const StyleLockedDeclarationBlock* GetServoVisitedLinkDecl()
const {
return mServoVisitedLinkDecl;
}
const StyleLockedDeclarationBlock* GetServoActiveLinkDecl()
const {
return mServoActiveLinkDecl;
}
void CacheStyleAttr(
const nsAString& aSerialized, MiscContainer* aValue) {
mCachedStyleAttrs.InsertOrUpdate(aSerialized, aValue);
}
void EvictStyleAttr(
const nsAString& aSerialized, MiscContainer* aValue) {
NS_ASSERTION(LookupStyleAttr(aSerialized) == aValue,
"Cached value doesn't match?");
mCachedStyleAttrs.Remove(aSerialized);
}
MiscContainer* LookupStyleAttr(
const nsAString& aSerialized) {
return mCachedStyleAttrs.Get(aSerialized);
}
AttributeStyles(
const AttributeStyles& aCopy) =
delete;
AttributeStyles&
operator=(
const AttributeStyles& aCopy) =
delete;
private:
~AttributeStyles();
// Implementation of SetLink/VisitedLink/ActiveLinkColor
nsresult ImplLinkColorSetter(RefPtr<StyleLockedDeclarationBlock>& aDecl,
nscolor aColor);
dom::Document* mDocument;
RefPtr<StyleLockedDeclarationBlock> mServoUnvisitedLinkDecl;
RefPtr<StyleLockedDeclarationBlock> mServoVisitedLinkDecl;
RefPtr<StyleLockedDeclarationBlock> mServoActiveLinkDecl;
nsTHashMap<nsStringHashKey, MiscContainer*> mCachedStyleAttrs;
};
}
// namespace mozilla
#endif
