/**
* @see \ResponsiveImages\SrcsetGeneratorInterface
*
* @param string $uri
* Drupal URI to the original image file.
* @param RImg\Size $size
*
* @return RImg\Src[]
*/
public function listFor($uri, RImg\Size $size)
{
$styles = $this->stylesMatchingSize($size);
# By default Drupal doesn't provide an image style that crops an image to
# an aspect ratio without potentially upscaling it. If the original image is
# smaller than the styles that are returned we aren't providing any better
# quality. Better to just allow only one larger than the original, or even
# the original if it matches the aspect ratio.
$image = image_get_info($uri);
if ($image) {
$styles = F\partition($styles, function ($style) use($image, $size) {
return $style->width < $image['width'];
});
if ($size->matchesAspectRatio($image['width'] / $image['height']) and (!empty($styles[1]) and F\head($styles[1])->width != $image['width'] or $image['width'] <= $size->getMaxWidth() * 2)) {
$styles[0][] = (object) ['name' => null, 'width' => $image['width'], 'height' => $image['height'], 'firm' => true];
} else {
if (!empty($styles[1])) {
$styles[0][] = F\head($styles[1]);
}
}
$styles = $styles[0];
}
return F\map($styles, function ($style) use($uri) {
$url = $style->name ? image_style_url($style->name, $uri) : file_create_url($uri);
return new RImg\Src($url, $style->width);
});
}
/**
* tests get_activity_tree returns unavailable activities (that are configured to be visible)
* @global moodle_database $DB
*/
public function test_get_activity_tree_returns_unavailable_activities()
{
global $DB;
$activity_tree = B\get_activity_tree(get_fast_modinfo($this->_course), -1, context_course::instance($this->_course->id));
// get the section id (as opposed to the section number) of section number three
$three = 3;
$section_id = (int) $DB->get_field('course_sections', 'id', ['course' => $this->_course->id, 'section' => $three]);
// there are two (unavailable) activities in section three
$this->assertEquals(2, $DB->count_records('course_modules', ['course' => $this->_course->id, 'section' => $section_id]));
// however, there is only one visible activity in section three
$this->assertCount(1, $activity_tree[$three]->activities);
$this->assertEquals($this->_quiz->cmid, F\head($activity_tree[$three]->activities)->id);
$this->assertFalse(F\head($activity_tree[$three]->activities)->available);
}