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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
| commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
| tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /layout/base/ScrollStyles.h | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | layout/base/ScrollStyles.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/layout/base/ScrollStyles.h b/layout/base/ScrollStyles.h new file mode 100644 index 0000000000..473277a968 --- /dev/null +++ b/layout/base/ScrollStyles.h @@ -0,0 +1,44 @@ +/* -*- 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_ScrollStyles_h +#define mozilla_ScrollStyles_h + +#include <stdint.h> + +// Forward declarations +struct nsStyleDisplay; + +namespace mozilla { + +enum class StyleOverflow : uint8_t; + +struct ScrollStyles { + // Always one of Scroll, Hidden, or Auto. + StyleOverflow mHorizontal; + StyleOverflow mVertical; + + ScrollStyles(StyleOverflow aH, StyleOverflow aV); + + // NOTE: This ctor maps `visible` to `auto` and `clip` to `hidden`. + // It's used for styles that are propagated from the <body> and for + // scroll frames (which we create also for overflow:clip/visible in + // some cases, e.g. form controls). + enum MapOverflowToValidScrollStyleTag { MapOverflowToValidScrollStyle }; + ScrollStyles(const nsStyleDisplay&, MapOverflowToValidScrollStyleTag); + + bool operator==(const ScrollStyles& aStyles) const { + return aStyles.mHorizontal == mHorizontal && aStyles.mVertical == mVertical; + } + bool operator!=(const ScrollStyles& aStyles) const { + return !(*this == aStyles); + } + bool IsHiddenInBothDirections() const; +}; + +} // namespace mozilla + +#endif // mozilla_ScrollStyles_h |