/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* 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/. */ /* These objects support visualization of a css-grid by the dev tools. */ /** * Explicit and implicit types apply to tracks, lines, and areas. * https://drafts.csswg.org/css-grid/#explicit-grids * https://drafts.csswg.org/css-grid/#implicit-grids */ enum GridDeclaration { "explicit", "implicit" }; /** * Tracks expanded from auto-fill are repeat , auto-fits with elements are * also repeat, auto-fits with no elements are removed, other tracks are static. */ enum GridTrackState { "static", "repeat", "removed" }; [ChromeOnly] interface Grid { readonly attribute GridDimension rows; readonly attribute GridDimension cols; [Cached, Constant] readonly attribute sequence<GridArea> areas; }; [ChromeOnly] interface GridDimension { readonly attribute GridLines lines; readonly attribute GridTracks tracks; }; [ChromeOnly] interface GridLines { readonly attribute unsigned long length; /** * This accessor method allows array-like access to lines. * @param index A 0-indexed value. */ getter GridLine? item(unsigned long index); }; [ChromeOnly] interface GridLine { /** * Names include both explicit names and implicit names, which will be * assigned if the line contributes to a named area. * https://drafts.csswg.org/css-grid/#implicit-named-lines */ [Cached, Constant] readonly attribute sequence<DOMString> names; readonly attribute double start; /** * Breadth is the gap between the start of this line and the start of the * next track in flow direction. It primarily is set by use of the -gap * properties. * https://drafts.csswg.org/css-grid/#gutters */ readonly attribute double breadth; readonly attribute GridDeclaration type; /** * Number is the 1-indexed index of the line in flow order. */ readonly attribute unsigned long number; }; [ChromeOnly] interface GridTracks { readonly attribute unsigned long length; /** * This accessor method allows array-like access to tracks. * @param index A 0-indexed value. */ getter GridTrack? item(unsigned long index); }; [ChromeOnly] interface GridTrack { readonly attribute double start; readonly attribute double breadth; readonly attribute GridDeclaration type; readonly attribute GridTrackState state; }; [ChromeOnly] interface GridArea { readonly attribute DOMString name; readonly attribute GridDeclaration type; /** * These values are 1-indexed line numbers bounding the area. */ readonly attribute unsigned long rowStart; readonly attribute unsigned long rowEnd; readonly attribute unsigned long columnStart; readonly attribute unsigned long columnEnd; };