/* -*- 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 #include "nsStyleConsts.h" #include "mozilla/dom/WindowBinding.h" // Forward declarations struct nsStyleDisplay; namespace mozilla { // NOTE: Only styles that are propagated from the should end up in this // class. struct ScrollStyles { // Always one of Scroll, Hidden, or Auto StyleOverflow mHorizontal; StyleOverflow mVertical; ScrollStyles(StyleOverflow aH, StyleOverflow aV) : mHorizontal(aH), mVertical(aV) {} explicit ScrollStyles(const nsStyleDisplay&); 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 { return mHorizontal == StyleOverflow::Hidden && mVertical == StyleOverflow::Hidden; } }; } // namespace mozilla #endif // mozilla_ScrollStyles_h