extensions/MultimediaViewer/resources/mmv/ui/mmv.ui.canvasButtons.less
@import 'mediawiki.skin.variables.less';
@import '../mmv.variables.less';
@import 'mediawiki.mixins.less';

// Common to all buttons
// We override the codex background and borders to be their forced darkmode variant
// We use transparency on the background and on the icon color
// Increase of specificity by class name repeat to avoid rare white boxes, T374373
.cdx-button.mw-mmv-button.mw-mmv-button {
	background-color: @buttons-background-color-faded;
	position: fixed;
	z-index: 1003;
	// Cancel out default outline
	border-width: 0;
	outline: 0;
	transition-property: background-color, opacity, border-width, border-color, box-shadow, transform;

	&.mw-mmv-dialog-open, /* A button that has opened a dialog */
	&:active,
	&:hover {
		background-color: @buttons-background-color;
	}

	&:focus {
		background-color: @buttons-background-color;
		border-width: 1px;
	}

	.mw-mmv-icon {
		// Default transparency of the icon
		opacity: 0.8;
	}

	&.mw-mmv-dialog-open,
	&:active,
	&:focus,
	&:hover {
		.mw-mmv-icon {
			transition: opacity 0.1s ease-in;
			opacity: 1;
		}
	}

	// when the cursor is hidden, the buttons are hidden as well
	.user-inactive & {
		opacity: 0;
		transform: scale( 0 );
	}
}

// Positioning of buttons
.mw-mmv-download-button,
.mw-mmv-reuse-button,
.mw-mmv-close,
.mw-mmv-fullscreen {
	right: @buttons-offset-edge;
	left: auto;
	min-width: @buttons-size;
	min-height: @buttons-size;
}

.mw-mmv-current-image-number {
	align-items: center;
	background-color: @buttons-background-color-faded;
	color: @color-inverted-fixed;
	display: inline-flex;
	gap: 4px;
	justify-content: center;
	left: auto;
	min-height: @buttons-size;
	min-width: @buttons-size;
	opacity: 0.8;
	padding: 0 4px;
	position: fixed;
	right: ( @buttons-offset-edge + ( @buttons-offset-each ) );
	top: @buttons-offset-edge;
	transition-property: background-color, opacity;

	&:hover {
		background-color: @buttons-background-color;
		opacity: 1;
		transition: opacity 0.1s ease-in;
	}
}

// Per button positioning and providing icons
.mw-mmv-close {
	top: @buttons-offset-edge;

	.mw-mmv-icon {
		.cdx-mixin-css-icon( @cdx-icon-close, @param-fill-color: @color-inverted-fixed );
	}
}

.mw-mmv-fullscreen {
	top: ( @buttons-offset-edge + ( @buttons-offset-each ) );

	.mw-mmv-icon {
		.cdx-mixin-css-icon( @cdx-icon-full-screen, @param-fill-color: @color-inverted-fixed );

		.jq-fullscreened & {
			.cdx-mixin-css-icon( @cdx-icon-exit-fullscreen, @param-fill-color: @color-inverted-fixed );
		}
	}
}

.mw-mmv-next-image {
	right: @size-icon-medium;

	.mw-mmv-icon {
		mask-size: @buttons-icon-size-large;
		.cdx-mixin-css-icon( @cdx-icon-next, @param-fill-color: @color-inverted-fixed, @param-size-icon: @size-icon-medium );
	}
}

.mw-mmv-prev-image {
	left: @size-icon-medium;

	.mw-mmv-icon {
		mask-size: @buttons-icon-size-large;
		.cdx-mixin-css-icon( @cdx-icon-previous, @param-fill-color: @color-inverted-fixed, @param-size-icon: @size-icon-medium );
	}
}

.mw-mmv-reuse-button {
	bottom: @buttons-offset-edge + @metadatabar-above-fold-height;

	.jq-fullscreened & {
		bottom: @buttons-offset-edge + @progress-bar-height;
	}

	.mw-mmv-icon {
		.cdx-mixin-css-icon( @cdx-icon-share, @param-fill-color: @color-inverted-fixed );
	}
}

.mw-mmv-download-button {
	bottom: @buttons-offset-edge + @metadatabar-above-fold-height + @buttons-offset-each;

	.jq-fullscreened & {
		bottom: @buttons-offset-edge + @progress-bar-height + @buttons-offset-each;
	}

	.mw-mmv-icon {
		.cdx-mixin-css-icon( @cdx-icon-download, @param-fill-color: @color-inverted-fixed );
	}
}
