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b5a67ff8c1
MozReview-Commit-ID: E3IycnsN6Ep --HG-- extra : rebase_source : 47e6db76091c237aa3d40341427ff6c406405806
128 lines
3.5 KiB
Plaintext
128 lines
3.5 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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/* These objects support visualization of a css-grid by the dev tools. */
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/**
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* Explicit and implicit types apply to tracks, lines, and areas.
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* https://drafts.csswg.org/css-grid/#explicit-grids
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* https://drafts.csswg.org/css-grid/#implicit-grids
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*/
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enum GridDeclaration { "explicit", "implicit" };
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/**
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* Tracks expanded from auto-fill are repeat , auto-fits with elements are
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* also repeat, auto-fits with no elements are removed, other tracks are static.
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*/
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enum GridTrackState { "static", "repeat", "removed" };
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[ChromeOnly]
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interface Grid
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{
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readonly attribute GridDimension rows;
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readonly attribute GridDimension cols;
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[Cached, Constant]
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readonly attribute sequence<GridArea> areas;
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};
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[ChromeOnly]
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interface GridDimension
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{
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readonly attribute GridLines lines;
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readonly attribute GridTracks tracks;
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};
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[ChromeOnly]
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interface GridLines
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{
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readonly attribute unsigned long length;
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/**
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* This accessor method allows array-like access to lines.
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* @param index A 0-indexed value.
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*/
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getter GridLine? item(unsigned long index);
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};
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[ChromeOnly]
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interface GridLine
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{
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/**
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* Names include both explicit names and implicit names, which will be
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* assigned if the line contributes to a named area.
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* https://drafts.csswg.org/css-grid/#implicit-named-lines
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*/
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[Cached, Constant]
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readonly attribute sequence<DOMString> names;
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readonly attribute double start;
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/**
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* Breadth is the gap between the start of this line and the start of the
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* next track in flow direction. It primarily is set by use of the -gap
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* properties.
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* https://drafts.csswg.org/css-grid/#gutters
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*/
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readonly attribute double breadth;
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readonly attribute GridDeclaration type;
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/**
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* Number is the 1-indexed index of the line in flow order. The
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* first explicit line has number 1, and numbers increment by 1 for
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* each line after that. Lines before the first explicit line
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* have number 0, which is not a valid addressable line number, and
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* should be filtered out by callers.
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*/
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readonly attribute unsigned long number;
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/**
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* NegativeNumber is the 1-indexed index of the line in reverse
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* flow order. The last explicit line has negativeNumber -1, and
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* negativeNumbers decrement by 1 for each line before that.
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* Lines after the last explicit line have negativeNumber 0, which
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* is not a valid addressable line number, and should be filtered
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* out by callers.
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*/
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readonly attribute long negativeNumber;
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};
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[ChromeOnly]
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interface GridTracks
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{
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readonly attribute unsigned long length;
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/**
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* This accessor method allows array-like access to tracks.
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* @param index A 0-indexed value.
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*/
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getter GridTrack? item(unsigned long index);
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};
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[ChromeOnly]
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interface GridTrack
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{
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readonly attribute double start;
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readonly attribute double breadth;
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readonly attribute GridDeclaration type;
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readonly attribute GridTrackState state;
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};
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[ChromeOnly]
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interface GridArea
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{
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readonly attribute DOMString name;
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readonly attribute GridDeclaration type;
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/**
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* These values are 1-indexed line numbers bounding the area.
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*/
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readonly attribute unsigned long rowStart;
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readonly attribute unsigned long rowEnd;
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readonly attribute unsigned long columnStart;
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readonly attribute unsigned long columnEnd;
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};
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