From 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 03:47:29 +0200 Subject: Adding upstream version 115.8.0esr. Signed-off-by: Daniel Baumann --- layout/style/SheetParsingMode.h | 49 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 layout/style/SheetParsingMode.h (limited to 'layout/style/SheetParsingMode.h') diff --git a/layout/style/SheetParsingMode.h b/layout/style/SheetParsingMode.h new file mode 100644 index 0000000000..24656778a7 --- /dev/null +++ b/layout/style/SheetParsingMode.h @@ -0,0 +1,49 @@ +/* -*- 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/. */ + +#ifndef mozilla_css_SheetParsingMode_h +#define mozilla_css_SheetParsingMode_h + +#include + +namespace mozilla { +namespace css { + +/** + * Enum defining the mode in which a sheet is to be parsed. This is + * usually, but not always, the same as the cascade level at which the + * sheet will apply (see nsStyleSet.h). Most of the Loader APIs only + * support loading of author sheets. + * + * Author sheets are the normal case: styles embedded in or linked + * from HTML pages. They are also the most restricted. + * + * User sheets can do anything author sheets can do, and also get + * access to a few CSS extensions that are not yet suitable for + * exposure on the public Web, but are very useful for expressing + * user style overrides, such as @-moz-document rules. + * + * XXX: eUserSheetFeatures was added in bug 1035091, but some patches in + * that bug never landed to use this enum value. Currently, all the features + * in user sheet are also available in author sheet. + * + * Agent sheets have access to all author- and user-sheet features + * plus more extensions that are necessary for internal use but, + * again, not yet suitable for exposure on the public Web. Some of + * these are outright unsafe to expose; in particular, incorrect + * styling of anonymous box pseudo-elements can violate layout + * invariants. + */ +enum SheetParsingMode : uint8_t { + eAuthorSheetFeatures = 0, + eUserSheetFeatures, + eAgentSheetFeatures, +}; + +} // namespace css +} // namespace mozilla + +#endif // mozilla_css_SheetParsingMode_h -- cgit v1.2.3