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b1ca51fe1e
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
63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_ScrollStyles_h
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#define mozilla_ScrollStyles_h
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#include <stdint.h>
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#include "nsStyleConsts.h"
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#include "mozilla/dom/WindowBinding.h"
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// Forward declarations
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struct nsStyleDisplay;
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namespace mozilla {
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struct ScrollStyles {
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// Always one of Scroll, Hidden, or Auto
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StyleOverflow mHorizontal;
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StyleOverflow mVertical;
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// Always one of NS_STYLE_SCROLL_BEHAVIOR_AUTO or
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// NS_STYLE_SCROLL_BEHAVIOR_SMOOTH
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StyleOverscrollBehavior mOverscrollBehaviorX;
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StyleOverscrollBehavior mOverscrollBehaviorY;
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StyleScrollSnapStrictness mScrollSnapStrictnessX;
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StyleScrollSnapStrictness mScrollSnapStrictnessY;
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ScrollStyles(StyleOverflow aH, StyleOverflow aV)
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: mHorizontal(aH),
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mVertical(aV),
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mOverscrollBehaviorX(StyleOverscrollBehavior::Auto),
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mOverscrollBehaviorY(StyleOverscrollBehavior::Auto),
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mScrollSnapStrictnessX(StyleScrollSnapStrictness::None),
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mScrollSnapStrictnessY(StyleScrollSnapStrictness::None) {}
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ScrollStyles(WritingMode aWritingMode, const nsStyleDisplay* aDisplay);
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ScrollStyles(WritingMode aWritingMode, StyleOverflow aH, StyleOverflow aV,
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const nsStyleDisplay* aDisplay);
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void InitializeScrollSnapStrictness(WritingMode aWritingMode,
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const nsStyleDisplay* aDisplay);
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bool operator==(const ScrollStyles& aStyles) const {
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return aStyles.mHorizontal == mHorizontal &&
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aStyles.mVertical == mVertical &&
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aStyles.mOverscrollBehaviorX == mOverscrollBehaviorX &&
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aStyles.mOverscrollBehaviorY == mOverscrollBehaviorY &&
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aStyles.mScrollSnapStrictnessX == mScrollSnapStrictnessX &&
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aStyles.mScrollSnapStrictnessY == mScrollSnapStrictnessY;
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}
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bool operator!=(const ScrollStyles& aStyles) const {
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return !(*this == aStyles);
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}
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bool IsHiddenInBothDirections() const {
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return mHorizontal == StyleOverflow::Hidden &&
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mVertical == StyleOverflow::Hidden;
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}
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};
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} // namespace mozilla
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#endif // mozilla_ScrollStyles_h
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