gecko-dev/layout/base/ScrollStyles.h
Emilio Cobos Álvarez b1ca51fe1e Bug 1561738 - Remove nsStyleCoord. r=boris
And move the useful bits of it somewhere else (ServoStyleConstInlines.h for the
inline function definitions, and nsFrame.cpp for the static assertions).

Differential Revision: https://phabricator.services.mozilla.com/D36120
2019-06-28 12:44:44 +02:00

63 lines
2.3 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/. */
#ifndef mozilla_ScrollStyles_h
#define mozilla_ScrollStyles_h
#include <stdint.h>
#include "nsStyleConsts.h"
#include "mozilla/dom/WindowBinding.h"
// Forward declarations
struct nsStyleDisplay;
namespace mozilla {
struct ScrollStyles {
// Always one of Scroll, Hidden, or Auto
StyleOverflow mHorizontal;
StyleOverflow mVertical;
// Always one of NS_STYLE_SCROLL_BEHAVIOR_AUTO or
// NS_STYLE_SCROLL_BEHAVIOR_SMOOTH
StyleOverscrollBehavior mOverscrollBehaviorX;
StyleOverscrollBehavior mOverscrollBehaviorY;
StyleScrollSnapStrictness mScrollSnapStrictnessX;
StyleScrollSnapStrictness mScrollSnapStrictnessY;
ScrollStyles(StyleOverflow aH, StyleOverflow aV)
: mHorizontal(aH),
mVertical(aV),
mOverscrollBehaviorX(StyleOverscrollBehavior::Auto),
mOverscrollBehaviorY(StyleOverscrollBehavior::Auto),
mScrollSnapStrictnessX(StyleScrollSnapStrictness::None),
mScrollSnapStrictnessY(StyleScrollSnapStrictness::None) {}
ScrollStyles(WritingMode aWritingMode, const nsStyleDisplay* aDisplay);
ScrollStyles(WritingMode aWritingMode, StyleOverflow aH, StyleOverflow aV,
const nsStyleDisplay* aDisplay);
void InitializeScrollSnapStrictness(WritingMode aWritingMode,
const nsStyleDisplay* aDisplay);
bool operator==(const ScrollStyles& aStyles) const {
return aStyles.mHorizontal == mHorizontal &&
aStyles.mVertical == mVertical &&
aStyles.mOverscrollBehaviorX == mOverscrollBehaviorX &&
aStyles.mOverscrollBehaviorY == mOverscrollBehaviorY &&
aStyles.mScrollSnapStrictnessX == mScrollSnapStrictnessX &&
aStyles.mScrollSnapStrictnessY == mScrollSnapStrictnessY;
}
bool operator!=(const ScrollStyles& aStyles) const {
return !(*this == aStyles);
}
bool IsHiddenInBothDirections() const {
return mHorizontal == StyleOverflow::Hidden &&
mVertical == StyleOverflow::Hidden;
}
};
} // namespace mozilla
#endif // mozilla_ScrollStyles_h