/* -*- 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/. */
/* Helper structs or classes used throughout the Layout module */
/** * A set of StyleSizes used as an input parameter to various functions that * compute sizes like nsIFrame::ComputeSize(). If any of the member fields has a * value, the function may use the value instead of retrieving it from the * frame's style. * * The logical sizes are assumed to be in the associated frame's writing-mode.
*/ struct StyleSizeOverrides {
Maybe<StyleSize> mStyleISize;
Maybe<StyleSize> mStyleBSize;
Maybe<AspectRatio> mAspectRatio;
// By default, table wrapper frame considers the size overrides applied to // itself, so it creates any length size overrides for inner table frame by // subtracting the area occupied by the caption and border & padding according // to box-sizing. // // When this flag is true, table wrapper frame is required to apply the size // overrides to the inner table frame directly, without any modification, // which is useful for flex container to override the inner table frame's // preferred main size with 'flex-basis'. // // Note: if mStyleISize is a LengthPercentage, the inner table frame will // comply with the inline-size override without enforcing its min-content // inline-size in nsTableFrame::ComputeSize(). This is necessary so that small // flex-basis values like 'flex-basis:1%' can be resolved correctly; the // flexbox layout algorithm does still explicitly clamp to min-sizes *at a // later step*, after the flex-basis has been resolved -- so this flag won't // actually produce any user-visible tables whose final inline size is smaller // than their min-content inline size. bool mApplyOverridesVerbatim = false;
};
} // namespace mozilla
#endif// mozilla_LayoutStructs_h
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