From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- layout/style/nsHTMLCSSStyleSheet.cpp | 65 ++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 layout/style/nsHTMLCSSStyleSheet.cpp (limited to 'layout/style/nsHTMLCSSStyleSheet.cpp') diff --git a/layout/style/nsHTMLCSSStyleSheet.cpp b/layout/style/nsHTMLCSSStyleSheet.cpp new file mode 100644 index 0000000000..68d596467d --- /dev/null +++ b/layout/style/nsHTMLCSSStyleSheet.cpp @@ -0,0 +1,65 @@ +/* -*- 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 style attributes + */ + +#include "nsHTMLCSSStyleSheet.h" +#include "mozilla/MemoryReporting.h" +#include "mozilla/DeclarationBlock.h" +#include "nsPresContext.h" +#include "mozilla/dom/Element.h" +#include "nsAttrValue.h" +#include "nsAttrValueInlines.h" +#include "nsCSSPseudoElements.h" +#include "mozilla/RestyleManager.h" + +using namespace mozilla; +using namespace mozilla::dom; + +nsHTMLCSSStyleSheet::nsHTMLCSSStyleSheet() = default; + +nsHTMLCSSStyleSheet::~nsHTMLCSSStyleSheet() { + // We may go away before all of our cached style attributes do, + // so clean up any that are left. + for (auto iter = mCachedStyleAttrs.Iter(); !iter.Done(); iter.Next()) { + MiscContainer*& value = iter.Data(); + + // Ideally we'd just call MiscContainer::Evict, but we can't do that since + // we're iterating the hashtable. + if (value->mType == nsAttrValue::eCSSDeclaration) { + DeclarationBlock* declaration = value->mValue.mCSSDeclaration; + declaration->SetHTMLCSSStyleSheet(nullptr); + } else { + MOZ_ASSERT_UNREACHABLE("unexpected cached nsAttrValue type"); + } + + value->mValue.mCached = 0; + iter.Remove(); + } +} + +void nsHTMLCSSStyleSheet::CacheStyleAttr(const nsAString& aSerialized, + MiscContainer* aValue) { + mCachedStyleAttrs.InsertOrUpdate(aSerialized, aValue); +} + +void nsHTMLCSSStyleSheet::EvictStyleAttr(const nsAString& aSerialized, + MiscContainer* aValue) { +#ifdef DEBUG + { + NS_ASSERTION(aValue == mCachedStyleAttrs.Get(aSerialized), + "Cached value does not match?!"); + } +#endif + mCachedStyleAttrs.Remove(aSerialized); +} + +MiscContainer* nsHTMLCSSStyleSheet::LookupStyleAttr( + const nsAString& aSerialized) { + return mCachedStyleAttrs.Get(aSerialized); +} -- cgit v1.2.3