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/* 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/. */
/**
* This file should only contain a minimal set of rules for the XUL elements
* that may be implicitly created as part of HTML/SVG documents (e.g.
* scrollbars). Rules for everything else related to XUL can be found in
* xul.css. (This split of the XUL rules is to minimize memory use and improve
* performance in HTML/SVG documents.)
*
* ANYTHING ADDED TO THIS FILE WILL APPLY TO ALL DOCUMENTS, INCLUDING WEB CONTENT.
* IF UA RULES ARE ONLY NEEDED IN CHROME, THEY SHOULD BE ADDED TO xul.css.
*/
@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* set default namespace to XUL */
* {
-moz-user-focus: ignore;
user-select: none;
display: -moz-box;
box-sizing: border-box;
}
/* hide the content and destroy the frame */
[hidden="true"] {
display: none;
}
/* hide the content, but don't destroy the frames */
[collapsed="true"] {
visibility: collapse;
}
/* Rules required for style caching of anonymous content scrollbar parts */
@supports -moz-bool-pref("layout.css.cached-scrollbar-styles.enabled") {
:is(scrollcorner, resizer, scrollbar, scrollbarbutton, slider):where(:-moz-native-anonymous) {
/* All scrollbar parts must not inherit any properties from the scrollable
* element (except for visibility and pointer-events), for the anonymous
* content style caching system to work.
*/
all: initial;
visibility: inherit;
pointer-events: inherit;
/* These properties are not included in 'all'. */
-moz-context-properties: initial;
-moz-control-character-visibility: initial;
-moz-font-smoothing-background-color: initial;
-moz-min-font-size-ratio: initial;
/* -moz-box-layout: initial; is not included in 'all' but it's not needed,
* because we explicitly specify it below for the top level scrollbar parts
* (and it inherits through to the rest).
*/
math-depth: initial;
/* As long as inert implies pointer-events: none as it does now, we're
* good. */
-moz-inert: initial;
/* Using initial is not sufficient for direction, since its initial value can
* depend on the document's language.
*
* LTR is what we want for all scrollbar parts anyway, so that e.g. we don't
* reverse the rendering of a horizontal scrollbar.
*/
direction: ltr;
/* Similarly for font properties, whose initial values depend on the
* document's language. Scrollbar parts don't have any text or rely on
* font metrics.
*/
font: 16px sans-serif;
/* The initial value of justify-items is `legacy`, which makes it depend on
* the parent style.
*
* Reset it to something else.
*/
justify-items: start;
/* Avoid `object > *` rule in html.css from setting a useless, non-initial
* value of vertical-align.
*/
vertical-align: initial !important;
/* Duplicate the rules from the '*' rule above, which were clobbered by the
* 'all: initial' declaration.
*
* The other zero specificity rules above are on :root, and scrollbar parts
* cannot match :root, so no need to duplicate them.
*/
-moz-user-focus: ignore;
user-select: none;
display: -moz-box;
box-sizing: border-box;
}
/* There are other rules that set the cursor on the scrollbar, expecting them
* to inherit into its children. Explicitly inherit it, overriding the
* 'all: initial;' declaration above.
*/
:is(scrollbarbutton, slider, thumb):where(:-moz-native-anonymous) {
cursor: inherit;
}
}
scrollbar,
scrollcorner,
resizer {
/* Force legacy XUL layout for now on scrollbars / resizers and descendants,
* as ScrollFrameHelper relies on that (and nsScrollbarFrame is a XUL frame
* anyways).
*
* TODO: Eventually we should rewrite scrollbars so that they don't use XUL
* layout.
*/
-moz-box-layout: legacy;
}
scrollbar[orient="vertical"],
slider[orient="vertical"],
thumb[orient="vertical"] {
-moz-box-orient: vertical;
}
thumb {
/* Prevent -moz-user-modify declaration from designmode.css having an
* effect. */
-moz-user-modify: initial;
-moz-box-align: center;
-moz-box-pack: center;
}
/********** resizer **********/
resizer {
position: relative;
z-index: 2147483647;
/* Widget gets decide on its own whether or not the native theme should apply,
based on the context/OS theme. If it does not, SVG background will kick in. */
appearance: auto;
-moz-default-appearance: resizer;
/* native resizer should never flip on its own;
we will flip it (or the SVG background) with CSS transform below. */
direction: ltr;
writing-mode: initial;
background: url("chrome://global/skin/icons/resizer.svg") no-repeat;
background-size: 100% 100%;
cursor: se-resize;
width: 15px;
height: 15px;
}
/* bottomstart/bottomend is supported in XUL window only */
resizer[dir="bottom"][flip],
resizer[dir="bottomleft"],
resizer[dir="bottomstart"]:-moz-locale-dir(ltr),
resizer[dir="bottomend"]:-moz-locale-dir(rtl) {
transform: scaleX(-1);
}
resizer[dir="bottomleft"],
resizer[dir="bottomstart"]:-moz-locale-dir(ltr),
resizer[dir="bottomend"]:-moz-locale-dir(rtl) {
cursor: sw-resize;
}
resizer[dir="top"],
resizer[dir="bottom"] {
cursor: ns-resize;
}
resizer[dir="left"] {
transform: scaleX(-1);
}
resizer[dir="left"],
resizer[dir="right"] {
cursor: ew-resize;
}
resizer[dir="topleft"] {
cursor: nw-resize;
}
resizer[dir="topright"] {
cursor: ne-resize;
}
/********** scrollbar **********/
thumb {
-moz-box-flex: 1;
display: -moz-box !important;
}
/* Don't collapse thumb when scrollbar is disabled. */
thumb[collapsed="true"] {
visibility: hidden;
}
scrollbar, scrollbarbutton, scrollcorner, slider, thumb {
user-select: none;
}
scrollbar[value="hidden"] {
visibility: hidden;
}
@media (-moz-scrollbar-start-backward: 0) {
scrollbarbutton[sbattr="scrollbar-up-top"] {
display: none;
}
}
@media (-moz-scrollbar-start-forward: 0) {
scrollbarbutton[sbattr="scrollbar-down-top"] {
display: none;
}
}
@media (-moz-scrollbar-end-backward: 0) {
scrollbarbutton[sbattr="scrollbar-up-bottom"] {
display: none;
}
}
@media (-moz-scrollbar-end-forward: 0) {
scrollbarbutton[sbattr="scrollbar-down-bottom"] {
display: none;
}
}
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