mediawiki-skins-MinervaNeue/resources/skins.minerva.mainMenu.styles/MainMenu.less
jdlrobson 02ebb84ea0 Hot fix: Use display for hiding/showing sidebar on OS 14_0
Note, this removes a visibility animation.

Bug: T264376
Change-Id: I3589c615a8739e5ece6538acf42ff1292be84d71
2020-10-06 15:58:41 +00:00

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// Component of ui.less
// FIXME: Discuss the components folder with team and possibly move to components/
@import '../../minerva.less/minerva.variables.less';
@import '../../minerva.less/minerva.mixins.less';
// stylelint-disable no-descending-specificity, selector-max-id
// .menu
#mw-mf-page-left {
position: fixed;
top: 0;
left: 0;
bottom: 0;
min-width: 275px;
visibility: hidden;
@media screen and ( min-width: @width-breakpoint-tablet ) {
min-width: @width-breakpoint-mobile;
}
// It should always be possible to dismiss the menu by tapping outside of it.
max-width: 80%;
z-index: @z-indexDrawer;
// Add vertical scrollbar as needed.
overflow-y: auto;
background-color: @primaryNavBackgroundColor;
.transform( translate( -100%, 0 ) );
ul {
padding-bottom: 22px;
}
}
// TODO: combined with `.mw-mf-page-center__mask` & create a separate "masks" module.
.main-menu-mask {
position: fixed;
top: 0;
left: 0;
right: 0;
opacity: 0;
bottom: 0;
background: @semiTransparent;
z-index: @z-indexAboveContent;
// don't use display: none because it's not animatable
visibility: hidden;
}
#main-menu-input:checked ~ .main-menu-mask {
visibility: visible;
opacity: 0.5;
}
#main-menu-input:checked ~ #mw-mf-page-left {
visibility: visible;
box-shadow: 1px 0 8px 0 @grayDrawerShadow;
.transform( translate( 0, 0 ) );
}
// Without the minerva-animations-ready class, the main menu can appear and
// perform its exit animation when the page loads in chrome (and possibly
// others).
// https://bugs.chromium.org/p/chromium/issues/detail?id=332189
.minerva-animations-ready {
#mw-mf-page-left {
.transition(
// Animate menu visibility, opacity, and translation changes in and out. Visibility duration
// cannot be animated initially as it causes a flash on page load in Chromium due to
// https://bugs.chromium.org/p/chromium/issues/detail?id=332189.
opacity @transition-duration-medium @transition-timing-function-menu,
visibility @transition-duration-medium @transition-timing-function-menu,
transform @transition-duration-medium @transition-timing-function-menu; );
}
.main-menu-mask {
.transition(
opacity @transition-duration-base @transition-timing-function-menu,
visibility 0ms linear @transition-duration-base;
);
}
#main-menu-input:checked ~ .main-menu-mask {
.transition( opacity @transition-duration-base @transition-timing-function-menu;);
}
}
// Special:MobileMenu
.navigation-full-screen {
// .menu
#mw-mf-page-left {
max-width: none;
.transform( none );
}
}
// T264376 - disable animations on browsers impacted by bug
.hotfix-T264376 {
.main-menu-mask {
display: none;
}
#main-menu-input:checked ~ .main-menu-mask {
display: block;
}
}
// stylelint-enable no-descending-specificity, selector-max-id