/**
* SoundCloud shortcode handler
* @param {string|array} $atts The attributes passed to the shortcode like [soundcloud attr1="value" /].
* Is an empty string when no arguments are given.
* @param {string} $content The content between non-self closing [soundcloud]…[/soundcloud] tags.
* @return {string} Widget embed code HTML
*/
function soundcloud_shortcode($atts, $content = null)
{
// Custom shortcode options
$shortcode_options = array_merge(array('url' => trim($content)), is_array($atts) ? $atts : array());
// Turn shortcode option "param" (param=value¶m2=value) into array
$shortcode_params = array();
if (isset($shortcode_options['params'])) {
parse_str(html_entity_decode($shortcode_options['params']), $shortcode_params);
}
$shortcode_options['params'] = $shortcode_params;
// User preference options
$plugin_options = array_filter(array('iframe' => soundcloud_get_option('player_iframe', true), 'width' => soundcloud_get_option('player_width'), 'height' => soundcloud_url_has_tracklist($shortcode_options['url']) ? soundcloud_get_option('player_height_multi') : soundcloud_get_option('player_height'), 'params' => array_filter(array('auto_play' => soundcloud_get_option('auto_play'), 'show_comments' => soundcloud_get_option('show_comments'), 'color' => soundcloud_get_option('color'), 'theme_color' => soundcloud_get_option('theme_color')))));
// Needs to be an array
if (!isset($plugin_options['params'])) {
$plugin_options['params'] = array();
}
// plugin options < shortcode options
$options = array_merge($plugin_options, $shortcode_options);
// plugin params < shortcode params
$options['params'] = array_merge($plugin_options['params'], $shortcode_options['params']);
// The "url" option is required
if (!isset($options['url'])) {
return '';
} else {
$options['url'] = trim($options['url']);
}
// Both "width" and "height" need to be integers
if (isset($options['width']) && !preg_match('/^\\d+$/', $options['width'])) {
// set to 0 so oEmbed will use the default 100% and WordPress themes will leave it alone
$options['width'] = 0;
}
if (isset($options['height']) && !preg_match('/^\\d+$/', $options['height'])) {
unset($options['height']);
}
// The "iframe" option must be true to load the iframe widget
$options['iframe'] = isset($options['iframe']) ? $options['iframe'] : '';
$iframe = soundcloud_booleanize($options['iframe']) ? preg_match('/api.soundcloud.com/i', $options['url']) : false;
// Return html embed code
if ($iframe) {
return soundcloud_iframe_widget($options);
} else {
return soundcloud_flash_widget($options);
}
}
/**
* Iframe widget embed code
*
* @param array $options Parameters
*
* @return string Iframe embed code
*/
function soundcloud_iframe_widget($options)
{
// Build URL
$url = set_url_scheme('https://w.soundcloud.com/player/?' . http_build_query($options['params']));
// Set default width if not defined
$width = isset($options['width']) && $options['width'] !== 0 ? $options['width'] : '100%';
// Set default height if not defined
$height = isset($options['height']) && $options['height'] !== 0 ? $options['height'] : (soundcloud_url_has_tracklist($options['url']) || isset($options['params']['visual']) && soundcloud_booleanize($options['params']['visual']) ? '450' : '166');
return sprintf('<iframe width="%s" height="%s" scrolling="no" frameborder="no" src="%s"></iframe>', $width, $height, $url);
}
