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MDL-46285 core_renderers: optionally hide user_picture from screen readers

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This commit is contained in:
Jetha Chan 2014-07-08 15:17:26 +08:00
parent 5fd0df97c5
commit e4a1efcbaa
2 changed files with 15 additions and 0 deletions
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5
lib/outputcomponents.php
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@ -174,6 +174,11 @@ class user_picture implements renderable {
*/
public $class = 'userpicture';
/**
* @var bool Whether to be visible to screen readers.
*/
public $visibletoscreenreaders = true;
/**
* User picture constructor.
*

10
lib/outputrenderers.php
View File

@ -2288,6 +2288,7 @@ class core_renderer extends renderer_base {
* - popup=false (open in popup)
* - alttext=true (add image alt attribute)
* - class = image class attribute (default 'userpicture')
* - visibletoscreenreaders=true (whether to be visible to screen readers)
* @return string HTML fragment
*/
public function user_picture(stdClass $user, array $options = null) {
@ -2338,6 +2339,10 @@ class core_renderer extends renderer_base {
$src = $userpicture->get_url($this->page, $this);
$attributes = array('src'=>$src, 'alt'=>$alt, 'title'=>$alt, 'class'=>$class, 'width'=>$size, 'height'=>$size);
if (!$userpicture->visibletoscreenreaders) {
$attributes['role'] = 'presentation';
}
// get the image html output fisrt
$output = html_writer::empty_tag('img', $attributes);
@ -2360,6 +2365,11 @@ class core_renderer extends renderer_base {
}
$attributes = array('href'=>$url);
if (!$userpicture->visibletoscreenreaders) {
$attributes['role'] = 'presentation';
$attributes['tabindex'] = '-1';
$attributes['aria-hidden'] = 'true';
}
if ($userpicture->popup) {
$id = html_writer::random_id('userpicture');