server/core/css/icons.scss

/**
 * @copyright Copyright (c) 2018, John Molakvoæ (skjnldsv@protonmail.com)
 *
 * @author John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
 * @author Joas Schilling <coding@schilljs.com>
 * @author Lukas Reschke <lukas@statuscode.ch>
 * @author Roeland Jago Douma <roeland@famdouma.nl>
 * @author Vincent Chan <plus.vincchan@gmail.com>
 * @author Thomas Müller <thomas.mueller@tmit.eu>
 * @author Hendrik Leppelsack <hendrik@leppelsack.de>
 * @author Jan-Christoph Borchardt <hey@jancborchardt.net>
 *
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/* GLOBAL ------------------------------------------------------------------- */
[class^='icon-'], [class*=' icon-'] {
	background-repeat: no-repeat;
	background-position: center;
	min-width: 16px;
	min-height: 16px;
}

.icon-breadcrumb {
	background-image: url('../img/breadcrumb.svg?v=1');
}

/* LOADING ------------------------------------------------------------------ */
.loading,
.loading-small,
.icon-loading,
.icon-loading-dark,
.icon-loading-small,
.icon-loading-small-dark {
	position: relative;
	&:after {
		z-index: 2;
		content: '';
		height: 28px;
		width: 28px;
		margin: -16px 0 0 -16px;
		position: absolute;
		top: 50%;
		left: 50%;
		border-radius: 100%;
		-webkit-animation: rotate .8s infinite linear;
		animation: rotate .8s infinite linear;
		-webkit-transform-origin: center;
		-ms-transform-origin: center;
		transform-origin: center;
		border: 2px solid var(--color-loading-light);
		border-top-color: var(--color-loading-dark);
	}
}

.icon-loading-dark:after,
.icon-loading-small-dark:after {
	border: 2px solid var(--color-loading-dark);
	border-top-color: var(--color-loading-light);
}

.icon-loading-small:after,
.icon-loading-small-dark:after {
	height: 12px;
	width: 12px;
	margin: -8px 0 0 -8px;
}

/* Css replaced elements don't have ::after nor ::before */
img, object, video, button, textarea, input, select, div[contenteditable='true'] {
	.icon-loading {
		background-image: url('../img/loading.gif');
	}
	.icon-loading-dark {
		background-image: url('../img/loading-dark.gif');
	}
	.icon-loading-small {
		background-image: url('../img/loading-small.gif');
	}
	.icon-loading-small-dark {
		background-image: url('../img/loading-small-dark.gif');
	}
}

@keyframes rotate {
	from {
		transform: rotate(0deg);
	}
	to {
		transform: rotate(360deg);
	}
}

.icon-32 {
	background-size: 32px !important;
}

.icon-white {
	&.icon-shadow {
		filter: drop-shadow(1px 1px 4px var(--color-box-shadow));
	}
}

/* ICONS -------------------------------------------------------------------
 * These icon classes are generated automatically with the following pattern
 * for icon-black-white('close', ...)
 * .icon-close (black icon)
 * .icon-close-white (white icon)
 * .icon-close.icon-white (white icon)
 * 
 * Some class definitions are kept as before, since they don't follow the pattern
 * or have some additional styling like drop shadows
 */

@include icon-black-white('add', 'actions', 1, true);
@include icon-black-white('address', 'actions', 1, true);

@include icon-black-white('audio', 'actions', 2, true);
.icon-audio-white {
	filter: drop-shadow(1px 1px 4px var(--color-box-shadow));
}

@include icon-black-white('audio-off', 'actions', 1, true);
.icon-audio-off-white {
	filter: drop-shadow(1px 1px 4px var(--color-box-shadow));
}

.icon-caret-white,
.icon-caret {
	@include icon-color('caret', 'actions', $color-white, 1, true);
}

.icon-caret-dark {
	@include icon-color('caret', 'actions', $color-black, 1, true);
}

@include icon-black-white('checkmark', 'actions', 1, true);
.icon-checkmark-color {
	@include icon-color('checkmark', 'actions', $color-success, 1, true);
}

@include icon-black-white('clippy', 'actions', 2, true);
@include icon-black-white('close', 'actions', 1, true);
@include icon-black-white('comment', 'actions', 1, true);
@include icon-black-white('confirm', 'actions', 2, true);
@include icon-black-white('download', 'actions', 1, true);

.icon-confirm-fade {
	@include icon-color('confirm-fade', 'actions', $color-black, 2, true);
}

.icon-delete {
	@include icon-color('delete', 'actions', $color-black, 1, true);
	&.no-permission {
		&:hover,
		&:focus {
			@include icon-color('delete', 'actions', $color-black, 1, true);
		}
	}
	&:hover,
	&:focus {
		@include icon-color('delete', 'actions', $color-error, 1, true);
		filter: initial;
	}

	&.icon-white {
		@include icon-color('delete', 'actions', $color-white, 1, true);
	}
}

.icon-delete-white {
	@include icon-color('delete', 'actions', $color-white, 1, true);
	&.no-permission {
		&:hover,
		&:focus {
			@include icon-color('delete', 'actions', $color-white, 1, true);
		}
	}
	&:hover,
	&:focus {
		@include icon-color('delete', 'actions', $color-error, 1, true);
	}
}

@include icon-black-white('details', 'actions', 1, true);
@include icon-black-white('edit', 'actions', 1, true);
@include icon-black-white('error', 'actions', 1, true);

.icon-error-color {
	@include icon-color('error', 'actions', $color-error, 1, true);
}
@include icon-black-white('external', 'actions', 1, true);
@include icon-black-white('fullscreen', 'actions', 1, true);

.icon-fullscreen-white {
	filter: drop-shadow(1px 1px 4px var(--color-box-shadow));
}

@include icon-black-white('history', 'actions', 2, true);
@include icon-black-white('info', 'actions', 1, true);
@include icon-black-white('logout', 'actions', 1, true);
@include icon-black-white('mail', 'actions', 1, true);
@include icon-black-white('menu', 'actions', 1, true);
@include icon-black-white('more', 'actions', 1, true);
@include icon-black-white('password', 'actions', 1, true);
@include icon-black-white('pause', 'actions', 1, true);
@include icon-black-white('play', 'actions', 1, true);
@include icon-black-white('play-add', 'actions', 1, true);
@include icon-black-white('play-next', 'actions', 1, true);
@include icon-black-white('play-previous', 'actions', 1, true);
@include icon-black-white('public', 'actions', 1, true);
@include icon-black-white('quota', 'actions', 1, true);
@include icon-black-white('rename', 'actions', 1, true);
@include icon-black-white('screen', 'actions', 1, true);

.icon-screen-white {
	filter: drop-shadow(1px 1px 4px var(--color-box-shadow));
}

@include icon-black-white('screen-off', 'actions', 1, true);
.icon-screen-off-white {
	filter: drop-shadow(1px 1px 4px var(--color-box-shadow));
}

@include icon-black-white('search', 'actions', 1, true);

/* default icon have a .5 opacity */
.icon-settings {
	@include icon-color('settings', 'actions', $color-black, 1, true);
}

.icon-settings-dark {
	@include icon-color('settings-dark', 'actions', $color-black, 1, true);
}

.icon-settings-white {
	@include icon-color('settings-dark', 'actions', $color-white, 1, true);
}

/* always use icon-shared, AdBlock blocks icon-share */
.icon-shared,
.icon-share {
	@include icon-color('share', 'actions', $color-black, 1, true);
	&.icon-white {
		@include icon-color('share', 'actions', $color-white, 1, true);
	}
}
.icon-shared-white,
.icon-share-white {
	@include icon-color('share', 'actions', $color-white, 1, true);
}

@include icon-black-white('sound', 'actions', 1, true);
@include icon-black-white('sound-off', 'actions', 1, true);

.icon-favorite {
	@include icon-color('star-dark', 'actions', $color-black, 1, true);
}

@include icon-black-white('star', 'actions', 1, true);

.icon-star-dark {
	@include icon-color('star', 'actions', $color-black, 1, true);
}

.icon-starred {
	&:hover,
	&:focus {
		@include icon-color('star', 'actions', $color-black, 1, true);
	}
	@include icon-color('star-dark', 'actions', 'FC0', 1, true);
}

.icon-star {
	&:hover,
	&:focus {
		@include icon-color('star-dark', 'actions', 'FC0', 1, true);
	}
}

@include icon-black-white('tag', 'actions', 1, true);
@include icon-black-white('timezone', 'actions', 1, true);
@include icon-black-white('toggle', 'actions', 1, true);
@include icon-black-white('toggle-background', 'actions', 1, true);
@include icon-black-white('toggle-pictures', 'actions', 1, true);
@include icon-black-white('triangle-e', 'actions', 1, true);
@include icon-black-white('triangle-n', 'actions', 1, true);
@include icon-black-white('triangle-s', 'actions', 1, true);
@include icon-black-white('upload', 'actions', 1, true);
@include icon-black-white('user', 'actions', 1, true);
@include icon-black-white('group', 'actions', 1, true);

@include icon-black-white('video', 'actions', 2, true);
.icon-video-white {
	filter: drop-shadow(1px 1px 4px var(--color-box-shadow));
}

@include icon-black-white('video-off', 'actions', 1, true);
.icon-video-off-white {
	filter: drop-shadow(1px 1px 4px var(--color-box-shadow));
}

@include icon-black-white('video-switch', 'actions', 1, true);
@include icon-black-white('view-close', 'actions', 1, true);
@include icon-black-white('view-download', 'actions', 1, true);

.icon-view-next {
	@include icon-color('arrow-right', 'actions', $color-black, 1, true);
	&.icon-white {
		@include icon-color('arrow-right', 'actions', $color-white, 1, true);
	}
}

@include icon-black-white('view-pause', 'actions', 1, true);
@include icon-black-white('view-play', 'actions', 1, true);

.icon-view-previous {
	@include icon-color('arrow-left', 'actions', $color-black, 1, true);
	&.icon-white {
		@include icon-color('arrow-left', 'actions', $color-white, 1, true);
	}
}


@include icon-black-white('disabled-user', 'actions', 1, true);
@include icon-black-white('disabled-users', 'actions', 1, true);
@include icon-black-white('user-admin', 'actions', 1, true);

/* PLACES ------------------------------------------------------------------- */
.icon-calendar {
	@include icon-color('calendar', 'places', $color-white, 1, true);
}

.icon-calendar-dark {
	@include icon-color('calendar', 'places', $color-black, 1, true);
}

.icon-contacts {
	@include icon-color('contacts', 'places', $color-white, 1, true);
}

.icon-contacts-dark {
	@include icon-color('contacts', 'places', $color-black, 1, true);
}

.icon-files {
	@include icon-color('files', 'places', $color-white, 1, true);
}

.icon-files-dark {
	@include icon-color('files', 'places', $color-black, 1, true);
}

.icon-file,
.icon-filetype-text {
	@include icon-color('text', 'filetypes', $color-black, 1, true);
}

@include icon-black-white('folder', 'filetypes', 1, true);
.icon-filetype-folder {
	@include icon-color('folder', 'filetypes', $color-black, 1, true);
}

.icon-filetype-folder-drag-accept {
	@include icon-color('folder-drag-accept', 'filetypes', $color-black, 1, true);
}


@include icon-black-white('home', 'places', 1, true);
@include icon-black-white('link', 'places', 1, true);
@include icon-black-white('music', 'places', 1, true);
@include icon-black-white('picture', 'places', 1, true);


/* CLIENTS ------------------------------------------------------------------- */

@include icon-black-white('desktop', 'clients', 1, true);
@include icon-black-white('phone', 'clients', 1, true);
@include icon-black-white('tablet', 'clients', 1, true);

/* APP CATEGORIES ------------------------------------------------------------------- */
.icon-category-installed {
	@include icon-color('user', 'actions', $color-black, 1, true);
}

.icon-category-enabled {
	@include icon-color('checkmark', 'actions', $color-black, 1, true);
}

.icon-category-disabled {
	@include icon-color('close', 'actions', $color-black, 1, true);
}

.icon-category-app-bundles {
	@include icon-color('bundles', 'categories', $color-black, 1, true);
}

.icon-category-updates {
	@include icon-color('download', 'actions', $color-black, 1, true);
}

.icon-category-files {
	@include icon-color('files', 'categories', $color-black, 1, true);
}

.icon-category-social {
	@include icon-color('social', 'categories', $color-black, 1, true);
}

.icon-category-office {
	@include icon-color('office', 'categories', $color-black, 1, true);
}

.icon-category-auth {
	@include icon-color('auth', 'categories', $color-black, 1, true);
}

.icon-category-monitoring {
	@include icon-color('monitoring', 'categories', $color-black, 1, true);
}

.icon-category-multimedia {
	@include icon-color('multimedia', 'categories', $color-black, 1, true);
}

.icon-category-organization {
	@include icon-color('organization', 'categories', $color-black, 1, true);
}

.icon-category-customization {
	@include icon-color('customization', 'categories', $color-black, 1, true);
}

.icon-category-integration {
	@include icon-color('integration', 'categories', $color-black, 1, true);
}

.icon-category-tools {
	@include icon-color('settings-dark', 'actions', $color-black, 1, true);
}

.icon-category-games {
	@include icon-color('games', 'categories', $color-black, 1, true);
}

.icon-category-security {
	@include icon-color('password', 'actions', $color-black, 1, true);
}

.icon-category-search {
	@include icon-color('search', 'actions', $color-black, 1, true);
}