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Bug 1800181: Atomize font family and language a11y text attributes. r=morgan

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This reduces memory used by the cache, since the same font family and language strings often occur many times in the same document (and likely even across documents).

Differential Revision: https://phabricator.services.mozilla.com/D162276
This commit is contained in:
James Teh 2022-11-18 22:03:56 +00:00
parent 2ab8453c6f
commit 35eb75ce3d
1 changed files with 4 additions and 2 deletions
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6
accessible/base/TextAttrs.cpp
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@ -221,7 +221,8 @@ bool TextAttrsMgr::LangTextAttr::GetValueFor(LocalAccessible* aAccessible,
void TextAttrsMgr::LangTextAttr::ExposeValue(AccAttributes* aAttributes,
const nsString& aValue) {
aAttributes->SetAttributeStringCopy(nsGkAtoms::language, aValue);
RefPtr<nsAtom> lang = NS_Atomize(aValue);
aAttributes->SetAttribute(nsGkAtoms::language, lang);
}
////////////////////////////////////////////////////////////////////////////////
@ -401,7 +402,8 @@ bool TextAttrsMgr::FontFamilyTextAttr::GetValueFor(LocalAccessible* aAccessible,
void TextAttrsMgr::FontFamilyTextAttr::ExposeValue(AccAttributes* aAttributes,
const nsString& aValue) {
aAttributes->SetAttributeStringCopy(nsGkAtoms::font_family, aValue);
RefPtr<nsAtom> family = NS_Atomize(aValue);
aAttributes->SetAttribute(nsGkAtoms::font_family, family);
}
bool TextAttrsMgr::FontFamilyTextAttr::GetFontFamily(nsIFrame* aFrame,