/usr/include/thunderbird/ScrollbarStyles.h is in thunderbird-dev 1:52.8.0-1~deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* 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 ScrollbarStyles_h
#define ScrollbarStyles_h
#include <stdint.h>
#include "nsStyleConsts.h" // for NS_STYLE_SCROLL_SNAP_*
#include "nsStyleCoord.h" // for nsStyleCoord
#include "mozilla/dom/WindowBinding.h"
// Forward declarations
struct nsStyleDisplay;
namespace mozilla {
struct ScrollbarStyles
{
// Always one of NS_STYLE_OVERFLOW_SCROLL, NS_STYLE_OVERFLOW_HIDDEN,
// or NS_STYLE_OVERFLOW_AUTO.
uint8_t mHorizontal;
uint8_t mVertical;
// Always one of NS_STYLE_SCROLL_BEHAVIOR_AUTO or
// NS_STYLE_SCROLL_BEHAVIOR_SMOOTH
uint8_t mScrollBehavior;
// Always one of NS_STYLE_SCROLL_SNAP_NONE, NS_STYLE_SCROLL_SNAP_MANDATORY,
// or NS_STYLE_SCROLL_SNAP_PROXIMITY.
uint8_t mScrollSnapTypeX;
uint8_t mScrollSnapTypeY;
nsStyleCoord mScrollSnapPointsX;
nsStyleCoord mScrollSnapPointsY;
nsStyleCoord::CalcValue mScrollSnapDestinationX;
nsStyleCoord::CalcValue mScrollSnapDestinationY;
ScrollbarStyles(uint8_t aH, uint8_t aV)
: mHorizontal(aH), mVertical(aV),
mScrollBehavior(NS_STYLE_SCROLL_BEHAVIOR_AUTO),
mScrollSnapTypeX(NS_STYLE_SCROLL_SNAP_TYPE_NONE),
mScrollSnapTypeY(NS_STYLE_SCROLL_SNAP_TYPE_NONE),
mScrollSnapPointsX(nsStyleCoord(eStyleUnit_None)),
mScrollSnapPointsY(nsStyleCoord(eStyleUnit_None)) {
mScrollSnapDestinationX.mPercent = 0;
mScrollSnapDestinationX.mLength = nscoord(0.0f);
mScrollSnapDestinationX.mHasPercent = false;
mScrollSnapDestinationY.mPercent = 0;
mScrollSnapDestinationY.mLength = nscoord(0.0f);
mScrollSnapDestinationY.mHasPercent = false;
}
explicit ScrollbarStyles(const nsStyleDisplay* aDisplay);
ScrollbarStyles(uint8_t aH, uint8_t aV, const nsStyleDisplay* aDisplay);
ScrollbarStyles() {}
bool operator==(const ScrollbarStyles& aStyles) const {
return aStyles.mHorizontal == mHorizontal && aStyles.mVertical == mVertical &&
aStyles.mScrollBehavior == mScrollBehavior &&
aStyles.mScrollSnapTypeX == mScrollSnapTypeX &&
aStyles.mScrollSnapTypeY == mScrollSnapTypeY &&
aStyles.mScrollSnapPointsX == mScrollSnapPointsX &&
aStyles.mScrollSnapPointsY == mScrollSnapPointsY &&
aStyles.mScrollSnapDestinationX == mScrollSnapDestinationX &&
aStyles.mScrollSnapDestinationY == mScrollSnapDestinationY;
}
bool operator!=(const ScrollbarStyles& aStyles) const {
return !(*this == aStyles);
}
bool IsHiddenInBothDirections() const {
return mHorizontal == NS_STYLE_OVERFLOW_HIDDEN &&
mVertical == NS_STYLE_OVERFLOW_HIDDEN;
}
bool IsSmoothScroll(dom::ScrollBehavior aBehavior) const {
return aBehavior == dom::ScrollBehavior::Smooth ||
(aBehavior == dom::ScrollBehavior::Auto &&
mScrollBehavior == NS_STYLE_SCROLL_BEHAVIOR_SMOOTH);
}
};
} // namespace mozilla
#endif
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