function widget($args, $instance)
{
if ((!defined('IS_WPCOM') || !IS_WPCOM) && false === apply_filters('jetpack_auto_fill_logged_in_user', false)) {
$subscribe_email = '';
} else {
global $current_user;
if (!empty($current_user->user_email)) {
$subscribe_email = esc_attr($current_user->user_email);
} else {
$subscribe_email = '';
}
}
/** This action is already documented in modules/widgets/gravatar-profile.php */
do_action('jetpack_stats_extra', 'widget_view', 'jetpack_subscriptions');
$source = 'widget';
$instance = wp_parse_args((array) $instance, $this->defaults());
$subscribe_text = isset($instance['subscribe_text']) ? stripslashes($instance['subscribe_text']) : '';
$subscribe_placeholder = isset($instance['subscribe_placeholder']) ? stripslashes($instance['subscribe_placeholder']) : '';
$subscribe_button = isset($instance['subscribe_button']) ? stripslashes($instance['subscribe_button']) : '';
$success_message = isset($instance['success_message']) ? stripslashes($instance['success_message']) : '';
$widget_id = esc_attr(!empty($args['widget_id']) ? esc_attr($args['widget_id']) : mt_rand(450, 550));
$show_subscribers_total = (bool) $instance['show_subscribers_total'];
$subscribers_total = $this->fetch_subscriber_count();
// Only used for the shortcode [total-subscribers]
// Give the input element a unique ID
/**
* Filter the subscription form's ID prefix.
*
* @module subscriptions
*
* @since 2.7.0
*
* @param string subscribe-field Subscription form field prefix.
* @param int $widget_id Widget ID.
*/
$subscribe_field_id = apply_filters('subscribe_field_id', 'subscribe-field', $widget_id);
// Enqueue the form's CSS
wp_register_style('jetpack-subscriptions', plugins_url('subscriptions/subscriptions.css', __FILE__));
wp_enqueue_style('jetpack-subscriptions');
// Display the subscription form
echo $args['before_widget'];
// Only show the title if there actually is a title
if (!empty($instance['title'])) {
echo $args['before_title'] . esc_attr($instance['title']) . $args['after_title'] . "\n";
}
$referer = set_url_scheme('http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
// Display any errors
if (isset($_GET['subscribe'])) {
switch ($_GET['subscribe']) {
case 'invalid_email':
?>
<p class="error"><?php
esc_html_e('The email you entered was invalid. Please check and try again.', 'jetpack');
?>
</p>
<?php
break;
case 'opted_out':
?>
<p class="error"><?php
printf(__('The email address has opted out of subscription emails. <br /> You can manage your preferences at <a href="%1$s" title="%2$s" target="_blank">subscribe.wordpress.com</a>', 'jetpack'), 'https://subscribe.wordpress.com/', __('Manage your email preferences.', 'jetpack'));
?>
<?php
break;
case 'already':
?>
<p class="error"><?php
esc_html_e('You have already subscribed to this site. Please check your inbox.', 'jetpack');
?>
</p>
<?php
break;
case 'success':
?>
<div class="success"><?php
echo wpautop(str_replace('[total-subscribers]', number_format_i18n($subscribers_total['value']), $success_message));
?>
</div>
<?php
break;
default:
?>
<p class="error"><?php
esc_html_e('There was an error when subscribing. Please try again.', 'jetpack');
?>
</p>
<?php
break;
}
}
// Display a subscribe form
if (isset($_GET['subscribe']) && 'success' == $_GET['subscribe']) {
?>
<?php
} else {
?>
<form action="#" method="post" accept-charset="utf-8" id="subscribe-blog-<?php
echo $widget_id;
?>
">
<?php
if (!isset($_GET['subscribe']) || 'success' != $_GET['subscribe']) {
?>
<div id="subscribe-text"><?php
echo wpautop(str_replace('[total-subscribers]', number_format_i18n($subscribers_total['value']), $subscribe_text));
?>
</div><?php
}
if ($show_subscribers_total && 0 < $subscribers_total['value']) {
echo wpautop(sprintf(_n('Join %s other subscriber', 'Join %s other subscribers', $subscribers_total['value'], 'jetpack'), number_format_i18n($subscribers_total['value'])));
}
if (!isset($_GET['subscribe']) || 'success' != $_GET['subscribe']) {
?>
<p id="subscribe-email">
<label id="jetpack-subscribe-label" for="<?php
echo esc_attr($subscribe_field_id) . '-' . esc_attr($widget_id);
?>
">
<?php
echo !empty($subscribe_placeholder) ? esc_html($subscribe_placeholder) : esc_html__('Email Address:', 'jetpack');
?>
</label>
<input type="email" name="email" required="required" class="required" value="<?php
echo esc_attr($subscribe_email);
?>
" id="<?php
echo esc_attr($subscribe_field_id) . '-' . esc_attr($widget_id);
?>
" placeholder="<?php
echo esc_attr($subscribe_placeholder);
?>
" />
</p>
<p id="subscribe-submit">
<input type="hidden" name="action" value="subscribe" />
<input type="hidden" name="source" value="<?php
echo esc_url($referer);
?>
" />
<input type="hidden" name="sub-type" value="<?php
echo esc_attr($source);
?>
" />
<input type="hidden" name="redirect_fragment" value="<?php
echo $widget_id;
?>
" />
<?php
if (is_user_logged_in()) {
wp_nonce_field('blogsub_subscribe_' . get_current_blog_id(), '_wpnonce', false);
}
?>
<input type="submit" value="<?php
echo esc_attr($subscribe_button);
?>
" name="jetpack_subscriptions_widget" />
</p>
<?php
}
?>
</form>
<script>
/*
Custom functionality for safari and IE
*/
(function( d ) {
// In case the placeholder functionality is available we remove labels
if ( ( 'placeholder' in d.createElement( 'input' ) ) ) {
var label = d.querySelector( 'label[for=subscribe-field-<?php
echo $widget_id;
?>
]' );
label.style.clip = 'rect(1px, 1px, 1px, 1px)';
label.style.position = 'absolute';
label.style.height = '1px';
label.style.width = '1px';
label.style.overflow = 'hidden';
}
// Make sure the email value is filled in before allowing submit
var form = d.getElementById('subscribe-blog-<?php
echo $widget_id;
?>
'),
input = d.getElementById('<?php
echo esc_attr($subscribe_field_id) . '-' . esc_attr($widget_id);
?>
'),
handler = function( event ) {
if ( '' === input.value ) {
input.focus();
if ( event.preventDefault ){
event.preventDefault();
}
return false;
}
};
if ( window.addEventListener ) {
form.addEventListener( 'submit', handler, false );
} else {
form.attachEvent( 'onsubmit', handler );
}
})( document );
</script>
<?php
}
?>
<?php
echo "\n" . $args['after_widget'];
}
