false,
'lang' => false
];
if ( is_array( $parameters ) ) {
$actualParams = $parameters + $defaults;
} else {
# Using old format, should convert. Later a warning could be added here.
$numArgs = func_num_args();
$actualParams = [
'width' => $path,
'height' => $parameters,
'page' => ( $numArgs > 5 ) ? func_get_arg( 5 ) : false
] + $defaults;
$path = ( $numArgs > 4 ) ? func_get_arg( 4 ) : false;
}
$this->file = $file;
$this->url = $url;
$this->path = $path;
# These should be integers when they get here.
# If not, there's a bug somewhere. But let's at
# least produce valid HTML code regardless.
$this->width = round( $actualParams['width'] );
$this->height = round( $actualParams['height'] );
$this->page = $actualParams['page'];
$this->lang = $actualParams['lang'];
}
/**
* Return HTML ![]()
tag for the thumbnail, will include
* width and height attributes and a blank alt text (as required).
*
* @param array $options Associative array of options. Boolean options
* should be indicated with a value of true for true, and false or
* absent for false.
*
* alt HTML alt attribute
* title HTML title attribute
* desc-link Boolean, show a description link
* file-link Boolean, show a file download link
* valign vertical-align property, if the output is an inline element
* img-class Class applied to the \ tag, if there is such a tag
* desc-query String, description link query params
* override-width Override width attribute. Should generally not set
* override-height Override height attribute. Should generally not set
* no-dimensions Boolean, skip width and height attributes (useful if
* set in CSS)
* custom-url-link Custom URL to link to
* custom-title-link Custom Title object to link to
* custom target-link Value of the target attribute, for custom-target-link
* parser-extlink-* Attributes added by parser for external links:
* parser-extlink-rel: add rel="nofollow"
* parser-extlink-target: link target, but overridden by custom-target-link
*
* For images, desc-link and file-link are implemented as a click-through. For
* sounds and videos, they may be displayed in other ways.
*
* @throws MWException
* @return string
*/
public function toHtml( $options = [] ) {
global $wgPriorityHints, $wgPriorityHintsRatio, $wgElementTiming, $wgNativeImageLazyLoading;
if ( func_num_args() == 2 ) {
throw new MWException( __METHOD__ . ' called in the old style' );
}
$alt = $options['alt'] ?? '';
$query = $options['desc-query'] ?? '';
$attribs = [
'alt' => $alt,
'src' => $this->url,
'decoding' => 'async',
];
if ( $options['loading'] ?? $wgNativeImageLazyLoading ) {
$attribs['loading'] = $options['loading'] ?? 'lazy';
}
$elementTimingName = 'thumbnail';
if ( $wgPriorityHints
&& !self::$firstNonIconImageRendered
&& $this->width * $this->height > 100 * 100 ) {
self::$firstNonIconImageRendered = true;
// Generate a random number between 0.01 and 1.0, included
$random = rand( 1, 100 ) / 100.0;
if ( $random <= $wgPriorityHintsRatio ) {
$attribs['importance'] = 'high';
$elementTimingName = 'thumbnail-high';
} else {
// This lets us track that the thumbnail *would* have gotten high priority but didn't.
$elementTimingName = 'thumbnail-top';
}
}
if ( $wgElementTiming ) {
$attribs['elementtiming'] = $elementTimingName;
}
if ( !empty( $options['custom-url-link'] ) ) {
$linkAttribs = [ 'href' => $options['custom-url-link'] ];
if ( !empty( $options['title'] ) ) {
$linkAttribs['title'] = $options['title'];
}
if ( !empty( $options['custom-target-link'] ) ) {
$linkAttribs['target'] = $options['custom-target-link'];
} elseif ( !empty( $options['parser-extlink-target'] ) ) {
$linkAttribs['target'] = $options['parser-extlink-target'];
}
if ( !empty( $options['parser-extlink-rel'] ) ) {
$linkAttribs['rel'] = $options['parser-extlink-rel'];
}
} elseif ( !empty( $options['custom-title-link'] ) ) {
/** @var Title $title */
$title = $options['custom-title-link'];
$linkAttribs = [
'href' => $title->getLinkURL(),
'title' => empty( $options['title'] ) ? $title->getFullText() : $options['title']
];
} elseif ( !empty( $options['desc-link'] ) ) {
$linkAttribs = $this->getDescLinkAttribs(
empty( $options['title'] ) ? null : $options['title'],
$query
);
} elseif ( !empty( $options['file-link'] ) ) {
$linkAttribs = [ 'href' => $this->file->getUrl() ];
} else {
$linkAttribs = false;
if ( !empty( $options['title'] ) ) {
$attribs['title'] = $options['title'];
}
}
if ( empty( $options['no-dimensions'] ) ) {
$attribs['width'] = $this->width;
$attribs['height'] = $this->height;
}
if ( !empty( $options['valign'] ) ) {
$attribs['style'] = "vertical-align: {$options['valign']}";
}
if ( !empty( $options['img-class'] ) ) {
$attribs['class'] = $options['img-class'];
}
if ( isset( $options['override-height'] ) ) {
$attribs['height'] = $options['override-height'];
}
if ( isset( $options['override-width'] ) ) {
$attribs['width'] = $options['override-width'];
}
// Additional densities for responsive images, if specified.
// If any of these urls is the same as src url, it'll be excluded.
$responsiveUrls = array_diff( $this->responsiveUrls, [ $this->url ] );
if ( !empty( $responsiveUrls ) ) {
$attribs['srcset'] = Html::srcSet( $responsiveUrls );
}
Hooks::runner()->onThumbnailBeforeProduceHTML( $this, $attribs, $linkAttribs );
return $this->linkWrap( $linkAttribs, Xml::element( 'img', $attribs ) );
}
}