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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
/* ::::: menupopup ::::: */
menupopup,
panel {
/* We can always render in the preferred color scheme (unless otherwise
* overridden). */
color-scheme: light dark;
min-width: 1px;
--panel-background: Menu;
--panel-color: MenuText;
--panel-padding-block: 4px;
--panel-padding: var(--panel-padding-block) 0;
--panel-border-radius: 4px;
--panel-border-color: ThreeDShadow;
--panel-width: initial;
--panel-shadow-margin: 0px;
--panel-shadow: 0 0 var(--panel-shadow-margin) hsla(0,0%,0%,.2);
-moz-window-input-region-margin: var(--panel-shadow-margin);
margin: calc(-1 * var(--panel-shadow-margin));
/* Panel design token theming */
--background-color-canvas: var(--panel-background);
@media (-moz-platform: linux) {
--panel-border-radius: 8px;
--panel-padding-block: 3px;
@media (prefers-contrast) {
--panel-border-color: color-mix(in srgb, currentColor 60%, transparent);
}
}
@media (-moz-platform: linux) or (-moz-platform: windows) {
/* To account for the box-shadow below */
--panel-shadow-margin: 4px;
}
@media (-moz-platform: macos) {
appearance: auto;
-moz-default-appearance: menupopup;
/* We set the default background here, rather than on ::part(content),
* because otherwise it'd interfere with the native look. Non-native-looking
* popups should get their background via --panel-background */
background-color: Menu;
--panel-background: none;
--panel-border-color: transparent;
/* This should be kept in sync with GetMenuMaskImage() */
--panel-border-radius: 6px;
}
&::part(content) {
display: flex;
box-sizing: border-box;
padding: var(--panel-padding);
color: var(--panel-color);
background: var(--panel-background);
border-radius: var(--panel-border-radius);
border: 1px solid var(--panel-border-color);
width: var(--panel-width);
box-shadow: var(--panel-shadow);
margin: var(--panel-shadow-margin);
min-width: 0;
min-height: 0;
/* Makes popup constraints work. Round up to avoid subpixel rounding
max-height: round(up, 100% - 2 * var(--panel-shadow-margin), 1px);
max-width: round(up, 100% - 2 * var(--panel-shadow-margin), 1px);
overflow: clip; /* Don't let panel content overflow the border */
}
&[orient=vertical]::part(content) {
flex-direction: column;
}
}
menupopup {
/* Also apply the padding in the inline axis for menus */
--panel-padding: var(--panel-padding-block);
@media (-moz-platform: windows) {
> menu,
> menuitem {
padding-block: 0.5em;
padding-inline-start: 1em;
}
}
> menu > menupopup {
/* Vertically align nested menupopups: the shadow plus the top padding plus top border */
margin-top: calc(-1 * (var(--panel-shadow-margin) + var(--panel-padding-block) + 1px));
}
}
/* Rules for popups associated with menulists */
menulist > menupopup {
min-width: 0;
@media (-moz-platform: windows) {
font: inherit;
}
@media (-moz-platform: macos) {
&:not([position]) {
margin-inline-start: -13px;
margin-top: -1px;
}
}
}
/* ::::: arrow panel ::::: */
panel:where([type="arrow"]) {
appearance: none;
background-color: transparent;
&.panel-no-padding::part(content) {
padding: 0;
}
}
/* ::::: panel animations ::::: */
.animatable-menupopup,
panel[type="arrow"] {
transition-timing-function: var(--animation-easing-function), ease-out;
@media (-moz-panel-animations) and (prefers-reduced-motion: no-preference) {
&:not([animate="false"]) {
transition-duration: 0.18s;
}
}
@media not (-moz-platform: macos) {
transition-property: transform, opacity;
will-change: transform, opacity;
opacity: 0;
transform: translateY(-70px);
&[side="bottom"] {
transform: translateY(70px);
}
}
/* On Mac, use the properties "-moz-window-transform" and "-moz-window-opacity"
* instead of "transform" and "opacity" for these animations.
* The -moz-window* properties apply to the whole window including the
* window's shadow, and they don't affect the window's "shape", so the
* system doesn't have to recompute the shadow shape during the animation.
* This makes them a lot faster. These properties are not implemented on
* other platforms.
*/
@media (-moz-platform: macos) {
transition-property: -moz-window-transform, -moz-window-opacity;
/* Only do the fade-in animation on pre-Big Sur to avoid missing shadows on
@media not (-moz-mac-big-sur-theme) {
-moz-window-opacity: 0;
-moz-window-transform: translateY(-70px);
&[side="bottom"] {
-moz-window-transform: translateY(70px);
}
}
/* If the @media rule above is removed, then we can also remove this */
&[animate="cancel"] {
-moz-window-opacity: 0;
}
}
&[animate="cancel"] {
-moz-window-transform: none;
transform: none;
}
&:is([animate="false"], [animate="open"]) {
opacity: 1;
transform: none;
-moz-window-opacity: 1;
-moz-window-transform: none;
transition-timing-function: var(--animation-easing-function), ease-in-out;
}
&[animating] {
pointer-events: none;
}
}