зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
2.1 KiB
C++
66 строки
2.1 KiB
C++
/* -*- 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.Put(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);
|
|
}
|