/
views.php
755 lines (683 loc) · 34.7 KB
/
views.php
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<?php
class Jetpack_Subscriptions_Widget extends WP_Widget {
static $instance_count = 0;
/**
* @var array When printing the submit button, what tags are allowed
*/
static $allowed_html_tags_for_submit_button = array( 'br' => array() );
function __construct() {
$widget_ops = array(
'classname' => 'widget_blog_subscription jetpack_subscription_widget',
'description' => __( 'Add an email signup form to allow people to subscribe to your blog.', 'jetpack' ),
'customize_selective_refresh' => true,
);
$name = self::is_jetpack() ?
/** This filter is documented in modules/widgets/facebook-likebox.php */
apply_filters( 'jetpack_widget_name', __( 'Blog Subscriptions', 'jetpack' ) ) :
__( 'Follow Blog', 'jetpack' );
parent::__construct(
'blog_subscription',
$name,
$widget_ops
);
if ( self::is_jetpack() &&
(
is_active_widget( false, false, $this->id_base ) ||
is_active_widget( false, false, 'monster' ) ||
is_customize_preview()
)
) {
add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_style' ) );
}
}
/**
* Enqueue the form's CSS.
*
* @since 4.5.0
*/
function enqueue_style() {
wp_register_style(
'jetpack-subscriptions',
plugins_url( 'subscriptions.css', __FILE__ ),
array(),
JETPACK__VERSION
);
wp_enqueue_style( 'jetpack-subscriptions' );
}
/**
* Renders a full widget either within the context of WordPress widget, or in response to a shortcode.
*
* @param array $args Display arguments including 'before_title', 'after_title', 'before_widget', and 'after_widget'.
* @param array $instance The settings for the particular instance of the widget.
*/
function widget( $args, $instance ) {
if ( self::is_jetpack() &&
/** This filter is documented in modules/contact-form/grunion-contact-form.php */
false === apply_filters( 'jetpack_auto_fill_logged_in_user', false )
) {
$subscribe_email = '';
} else {
$current_user = wp_get_current_user();
if ( ! empty( $current_user->user_email ) ) {
$subscribe_email = esc_attr( $current_user->user_email );
} else {
$subscribe_email = '';
}
}
$stats_action = self::is_jetpack() ? 'jetpack_subscriptions' : 'follow_blog';
/** This action is documented in modules/widgets/gravatar-profile.php */
do_action( 'jetpack_stats_extra', 'widget_view', $stats_action );
$after_widget = isset( $args['after_widget'] ) ? $args['after_widget'] : '';
$before_widget = isset( $args['before_widget'] ) ? $args['before_widget'] : '';
$instance = wp_parse_args( (array) $instance, $this->defaults() );
echo $before_widget;
Jetpack_Subscriptions_Widget::$instance_count ++;
self::render_widget_title( $args, $instance );
self::render_widget_status_messages( $instance );
if ( self::is_current_user_subscribed() ) {
self::render_widget_already_subscribed( $instance );
} else {
self::render_widget_subscription_form( $args, $instance, $subscribe_email );
}
echo "\n" . $after_widget;
}
/**
* Prints the widget's title. If show_only_email_and_button is true, we will not show a title.
*
* @param array $args Display arguments including 'before_title', 'after_title', 'before_widget', and 'after_widget'.
* @param array $instance The settings for the particular instance of the widget.
*/
static function render_widget_title( $args, $instance ) {
$show_only_email_and_button = $instance['show_only_email_and_button'];
$before_title = isset( $args['before_title'] ) ? $args['before_title'] : '';
$after_title = isset( $args['after_title'] ) ? $args['after_title'] : '';
if ( self::is_wpcom() && ! $show_only_email_and_button ) {
if ( self::is_current_user_subscribed() ) {
if ( ! empty( $instance['title_following'] ) ) {
echo $before_title . '<label for="subscribe-field' . ( Jetpack_Subscriptions_Widget::$instance_count > 1 ? '-' . Jetpack_Subscriptions_Widget::$instance_count : '' ) . '">' . esc_attr( $instance['title_following'] ) . '</label>' . $after_title . "\n";
}
} else {
if ( ! empty( $instance['title'] ) ) {
echo $before_title . '<label for="subscribe-field' . ( Jetpack_Subscriptions_Widget::$instance_count > 1 ? '-' . Jetpack_Subscriptions_Widget::$instance_count : '' ) . '">' . esc_attr( $instance['title'] ) . '</label>' . $after_title . "\n";
}
}
}
if ( self::is_jetpack() && empty( $instance['show_only_email_and_button'] ) ) {
echo $args['before_title'] . esc_attr( $instance['title'] ) . $args['after_title'] . "\n";
}
}
/**
* Prints the subscription block's status messages after someone has attempted to subscribe.
* Either a success message or an error message.
*
* @param array $instance The settings for the particular instance of the widget.
*/
static function render_widget_status_messages( $instance ) {
if ( self::is_jetpack() && isset( $_GET['subscribe'] ) ) {
$success_message = isset( $instance['success_message'] ) ? stripslashes( $instance['success_message'] ) : '';
$subscribers_total = self::fetch_subscriber_count();
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$s" target="_blank">subscribe.wordpress.com</a>', 'jetpack' ),
'https://subscribe.wordpress.com/',
__( 'Manage your email preferences.', 'jetpack' )
); ?></p>
<?php break;
case 'already' : ?>
<p class="error"><?php printf( __( 'You have already subscribed to this site. Please check your inbox. <br /> You can manage your preferences at <a href="%1$s" title="%2$s" target="_blank">subscribe.wordpress.com</a>', 'jetpack' ),
'https://subscribe.wordpress.com/',
__( 'Manage your email preferences.', 'jetpack' )
); ?></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;
endswitch;
}
if ( self::is_wpcom() && self::wpcom_has_status_message() ) {
global $themecolors;
switch ( $_GET['blogsub'] ) {
case 'confirming':
echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>";
_e( 'Thanks for subscribing! You’ll get an email with a link to confirm your subscription. If you don’t get it, please <a href="http://en.support.wordpress.com/contact/">contact us</a>.' );
echo "</div>";
break;
case 'blocked':
echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>";
_e( 'Subscriptions have been blocked for this email address.' );
echo "</div>";
break;
case 'flooded':
echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>";
_e( 'You already have several pending email subscriptions. Approve or delete a few through your <a href="https://subscribe.wordpress.com/">Subscription Manager</a> before attempting to subscribe to more blogs.' );
echo "</div>";
break;
case 'spammed':
echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>";
echo wp_kses_post( sprintf( __( 'Because there are many pending subscriptions for this email address, we have blocked the subscription. Please <a href="%s">activate or delete</a> pending subscriptions before attempting to subscribe.' ), 'https://subscribe.wordpress.com/' ) );
echo "</div>";
break;
case 'subscribed':
echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>";
_e( 'You’re already subscribed to this site.' );
echo "</div>";
break;
case 'pending':
echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>";
_e( 'You have a pending subscription already; we just sent you another email. Click the link or <a href="http://en.support.wordpress.com/contact/">contact us</a> if you don’t receive it.' );
echo "</div>";
break;
case 'confirmed':
echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>";
_e( 'Congrats, you’re subscribed! You’ll get an email with the details of your subscription and an unsubscribe link.' );
echo "</div>";
break;
}
}
}
/**
* Renders a message to folks who are already subscribed.
*
* @param array $instance The settings for the particular instance of the widget.
*
* @return void
*/
static function render_widget_already_subscribed( $instance ) {
if ( self::is_wpcom() ) {
$subscribers_total = self::fetch_subscriber_count();
$edit_subs_url = 'https://wordpress.com/following/edit/';
if ( function_exists( 'localized_wpcom_url' ) ) {
$edit_subs_url = localized_wpcom_url( http() . '://wordpress.com/following/edit/', get_user_locale() );
}
$show_subscribers_total = (bool) $instance['show_subscribers_total'];
if ( $show_subscribers_total && $subscribers_total > 1 ) :
$subscribers_not_me = $subscribers_total - 1;
/* translators: %s: number of folks following the blog */
?>
<p><?php printf( _n( 'You are following this blog, along with %s other amazing person (<a href="%s">manage</a>).', 'You are following this blog, along with %s other amazing people (<a href="%s">manage</a>).', $subscribers_not_me ), number_format_i18n( $subscribers_not_me ), $edit_subs_url ) ?></p><?php
else :
?>
<p><?php printf( __( 'You are following this blog (<a href="%s">manage</a>).' ), $edit_subs_url ) ?></p><?php
endif;
}
}
/**
* Renders a form allowing folks to subscribe to the blog.
*
* @param array $args Display arguments including 'before_title', 'after_title', 'before_widget', and 'after_widget'.
* @param array $instance The settings for the particular instance of the widget.
* @param string $subscribe_email The email to use to prefill the form.
*/
static function render_widget_subscription_form( $args, $instance, $subscribe_email ) {
$show_only_email_and_button = $instance['show_only_email_and_button'];
$subscribe_logged_in = isset( $instance['subscribe_logged_in'] ) ? stripslashes( $instance['subscribe_logged_in'] ) : '';
$show_subscribers_total = (bool) $instance['show_subscribers_total'];
$subscribe_text = empty( $instance['show_only_email_and_button'] ) ?
stripslashes( $instance['subscribe_text'] ) :
false;
$referer = ( is_ssl() ? 'https' : 'http' ) . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
$source = 'widget';
$widget_id = esc_attr( ! empty( $args['widget_id'] ) ? esc_attr( $args['widget_id'] ) : mt_rand( 450, 550 ) );
$subscribe_button = ! empty( $instance['submit_button_text'] ) ? $instance['submit_button_text'] : $instance['subscribe_button'];
$subscribers_total = self::fetch_subscriber_count();
$subscribe_placeholder = isset( $instance['subscribe_placeholder'] ) ? stripslashes( $instance['subscribe_placeholder'] ) : '';
$submit_button_classes = isset( $instance['submit_button_classes'] ) ? $instance['submit_button_classes'] : '';
$submit_button_styles = isset( $instance['submit_button_styles'] ) ? $instance['submit_button_styles'] : '';
if ( self::is_wpcom() && ! self::wpcom_has_status_message() ) {
global $current_blog;
$url = defined( 'SUBSCRIBE_BLOG_URL' ) ? SUBSCRIBE_BLOG_URL : '';
?>
<form action="<?php echo $url; ?>" method="post" accept-charset="utf-8"
id="subscribe-blog<?php if ( Jetpack_Subscriptions_Widget::$instance_count > 1 ) {
echo '-' . Jetpack_Subscriptions_Widget::$instance_count;
} ?>">
<?php if ( is_user_logged_in() ) : ?>
<?php
if ( ! $show_only_email_and_button ) {
echo wpautop( $subscribe_logged_in );
}
if ( $show_subscribers_total && $subscribers_total ) {
/* translators: %s: number of folks following the blog */
echo wpautop( sprintf( _n( 'Join %s other follower', 'Join %s other followers', $subscribers_total ), number_format_i18n( $subscribers_total ) ) );
}
?>
<?php else : ?>
<?php
if ( ! $show_only_email_and_button ) {
echo wpautop( $subscribe_text );
}
if ( $show_subscribers_total && $subscribers_total ) {
/* translators: %s: number of folks following the blog */
echo wpautop( sprintf( _n( 'Join %s other follower', 'Join %s other followers', $subscribers_total ), number_format_i18n( $subscribers_total ) ) );
}
?>
<p><input type="text" name="email" style="width: 95%; padding: 1px 2px"
placeholder="<?php esc_attr_e( 'Enter your email address' ); ?>" value=""
id="subscribe-field<?php if ( Jetpack_Subscriptions_Widget::$instance_count > 1 ) {
echo '-' . Jetpack_Subscriptions_Widget::$instance_count;
} ?>"/></p>
<?php endif; ?>
<p>
<input type="hidden" name="action" value="subscribe"/>
<input type="hidden" name="blog_id" value="<?php echo (int) $current_blog->blog_id; ?>"/>
<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 esc_attr( $widget_id ); ?>"/>
<?php wp_nonce_field( 'blogsub_subscribe_' . $current_blog->blog_id, '_wpnonce', false ); ?>
<button type="submit"
<?php if ( ! empty( $submit_button_classes ) ) { ?>
class="<?php echo esc_attr( $submit_button_classes ); ?>"
<?php }; ?>
<?php if ( ! empty( $submit_button_styles ) ) { ?>
style="<?php echo esc_attr( $submit_button_styles ); ?>"
<?php }; ?>
>
<?php
echo wp_kses(
$subscribe_button,
self::$allowed_html_tags_for_submit_button
);
?>
</button>
</p>
</form>
<?php
}
if ( self::is_jetpack() ) {
/**
* 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 );
?>
<form action="#" method="post" accept-charset="utf-8" id="subscribe-blog-<?php echo $widget_id; ?>">
<?php
if ( $subscribe_text && ( ! 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'] ) {
/* translators: %s: number of folks following the blog */
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"
class="screen-reader-text"
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 );
}
?>
<button type="submit"
<?php if ( ! empty( $submit_button_classes ) ) { ?>
class="<?php echo esc_attr( $submit_button_classes ); ?>"
<?php }; ?>
<?php if ( ! empty( $submit_button_styles ) ) { ?>
style="<?php echo esc_attr( $submit_button_styles ); ?>"
<?php }; ?>
name="jetpack_subscriptions_widget"
>
<?php
echo wp_kses(
$subscribe_button,
self::$allowed_html_tags_for_submit_button
); ?>
</button>
</p>
<?php } ?>
</form>
<?php }
}
/**
* Determines if the current user is subscribed to the blog.
*
* @return bool Is the person already subscribed.
*/
static function is_current_user_subscribed() {
$subscribed = isset( $_GET['subscribe'] ) && 'success' == $_GET['subscribe'];
if ( self::is_wpcom() && class_exists( 'Blog_Subscription' ) && class_exists( 'Blog_Subscriber' ) ) {
$subscribed = is_user_logged_in() && Blog_Subscription::is_subscribed( new Blog_Subscriber() );
}
return $subscribed;
}
/**
* Is this script running in the wordpress.com environment?
*
* @return bool
*/
static function is_wpcom() {
return defined( 'IS_WPCOM' ) && IS_WPCOM;
}
/**
* Is this script running in a self-hosted environment?
*
* @return bool
*/
static function is_jetpack() {
return ! self::is_wpcom();
}
/**
* Used to determine if there is a valid status slug within the wordpress.com environment.
*
* @return bool
*/
static function wpcom_has_status_message() {
return isset( $_GET['blogsub'] ) &&
in_array(
$_GET['blogsub'],
array(
'confirming',
'blocked',
'flooded',
'spammed',
'subscribed',
'pending',
'confirmed',
)
);
}
/**
* Determine the amount of folks currently subscribed to the blog.
*
* @return int|array
*/
static function fetch_subscriber_count() {
$subs_count = 0;
if ( self::is_jetpack() ) {
$subs_count = get_transient( 'wpcom_subscribers_total' );
if ( false === $subs_count || 'failed' == $subs_count['status'] ) {
Jetpack::load_xml_rpc_client();
$xml = new Jetpack_IXR_Client( array( 'user_id' => JETPACK_MASTER_USER, ) );
$xml->query( 'jetpack.fetchSubscriberCount' );
if ( $xml->isError() ) { // if we get an error from .com, set the status to failed so that we will try again next time the data is requested
$subs_count = array(
'status' => 'failed',
'code' => $xml->getErrorCode(),
'message' => $xml->getErrorMessage(),
'value' => ( isset( $subs_count['value'] ) ) ? $subs_count['value'] : 0,
);
} else {
$subs_count = array(
'status' => 'success',
'value' => $xml->getResponse(),
);
}
set_transient( 'wpcom_subscribers_total', $subs_count, 3600 ); // try to cache the result for at least 1 hour
}
}
if ( self::is_wpcom() && function_exists( 'wpcom_reach_total_for_blog' ) ) {
$subs_count = wpcom_reach_total_for_blog();
}
return $subs_count;
}
/**
* Updates a particular instance of a widget when someone saves it in wp-admin.
*
* @param array $new_instance
* @param array $old_instance
*
* @return array
*/
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
if ( self::is_jetpack() ) {
$instance['title'] = wp_kses( stripslashes( $new_instance['title'] ), array() );
$instance['subscribe_placeholder'] = wp_kses( stripslashes( $new_instance['subscribe_placeholder'] ), array() );
$instance['subscribe_button'] = wp_kses( stripslashes( $new_instance['subscribe_button'] ), array() );
$instance['success_message'] = wp_kses( stripslashes( $new_instance['success_message'] ), array() );
}
if ( self::is_wpcom() ) {
$instance['title'] = strip_tags( stripslashes( $new_instance['title'] ) );
$instance['title_following'] = strip_tags( stripslashes( $new_instance['title_following'] ) );
$instance['subscribe_logged_in'] = wp_filter_post_kses( stripslashes( $new_instance['subscribe_logged_in'] ) );
$instance['subscribe_button'] = strip_tags( stripslashes( $new_instance['subscribe_button'] ) );
}
$instance['show_subscribers_total'] = isset( $new_instance['show_subscribers_total'] ) && $new_instance['show_subscribers_total'];
$instance['show_only_email_and_button'] = isset( $new_instance['show_only_email_and_button'] ) && $new_instance['show_only_email_and_button'];
$instance['subscribe_text'] = wp_filter_post_kses( stripslashes( $new_instance['subscribe_text'] ) );
return $instance;
}
/**
* The default args for rendering a subscription form.
*
* @return array
*/
static function defaults() {
$defaults = array(
'show_subscribers_total' => true,
'show_only_email_and_button' => false
);
if ( self::is_jetpack() ) {
$defaults['title'] = esc_html__( 'Subscribe to Blog via Email', 'jetpack' );
$defaults['subscribe_text'] = esc_html__( 'Enter your email address to subscribe to this blog and receive notifications of new posts by email.', 'jetpack' );
$defaults['subscribe_placeholder'] = esc_html__( 'Email Address', 'jetpack' );
$defaults['subscribe_button'] = esc_html__( 'Subscribe', 'jetpack' );
$defaults['success_message'] = esc_html__( "Success! An email was just sent to confirm your subscription. Please find the email now and click 'Confirm Follow' to start subscribing.", 'jetpack' );
}
if ( self::is_wpcom() ) {
$defaults['title'] = __( 'Follow Blog via Email' );
$defaults['title_following'] = __( 'You are following this blog' );
$defaults['subscribe_text'] = __( 'Enter your email address to follow this blog and receive notifications of new posts by email.' );
$defaults['subscribe_button'] = __( 'Follow' );
$defaults['subscribe_logged_in'] = __( 'Click to follow this blog and receive notifications of new posts by email.' );
}
return $defaults;
}
/**
* Renders the widget's options form in wp-admin.
*
* @param array $instance
*/
function form( $instance ) {
$instance = wp_parse_args( (array) $instance, $this->defaults() );
$show_subscribers_total = checked( $instance['show_subscribers_total'], true, false );
if ( self::is_wpcom() ) {
$title = esc_attr( stripslashes( $instance['title'] ) );
$title_following = esc_attr( stripslashes( $instance['title_following'] ) );
$subscribe_text = esc_attr( stripslashes( $instance['subscribe_text'] ) );
$subscribe_logged_in = esc_attr( stripslashes( $instance['subscribe_logged_in'] ) );
$subscribe_button = esc_attr( stripslashes( $instance['subscribe_button'] ) );
$subscribers_total = self::fetch_subscriber_count();
}
if ( self::is_jetpack() ) {
$title = stripslashes( $instance['title'] );
$subscribe_text = stripslashes( $instance['subscribe_text'] );
$subscribe_placeholder = stripslashes( $instance['subscribe_placeholder'] );
$subscribe_button = stripslashes( $instance['subscribe_button'] );
$success_message = stripslashes( $instance['success_message'] );
$subs_fetch = self::fetch_subscriber_count();
if ( 'failed' == $subs_fetch['status'] ) {
printf( '<div class="error inline"><p>%s: %s</p></div>', esc_html( $subs_fetch['code'] ), esc_html( $subs_fetch['message'] ) );
}
$subscribers_total = number_format_i18n( $subs_fetch['value'] );
}
if ( self::is_wpcom() ) : ?>
<p>
<label for="<?php echo $this->get_field_id( 'title' ); ?>">
<?php _e( 'Widget title for non-followers:' ); ?>
<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>"
name="<?php echo $this->get_field_name( 'title' ); ?>" type="text"
value="<?php echo $title; ?>"/>
</label>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'title_following' ); ?>">
<?php _e( 'Widget title for followers:' ); ?>
<input class="widefat" id="<?php echo $this->get_field_id( 'title_following' ); ?>"
name="<?php echo $this->get_field_name( 'title_following' ); ?>" type="text"
value="<?php echo $title_following; ?>"/>
</label>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'subscribe_logged_in' ); ?>">
<?php _e( 'Optional text to display to logged in WordPress.com users:' ); ?>
<textarea style="width: 95%" id="<?php echo $this->get_field_id( 'subscribe_logged_in' ); ?>"
name="<?php echo $this->get_field_name( 'subscribe_logged_in' ); ?>"
type="text"><?php echo $subscribe_logged_in; ?></textarea>
</label>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'subscribe_text' ); ?>">
<?php _e( 'Optional text to display to non-WordPress.com users:' ); ?>
<textarea style="width: 95%" id="<?php echo $this->get_field_id( 'subscribe_text' ); ?>"
name="<?php echo $this->get_field_name( 'subscribe_text' ); ?>"
type="text"><?php echo $subscribe_text; ?></textarea>
</label>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'subscribe_button' ); ?>">
<?php _e( 'Follow Button Text:' ); ?>
<input class="widefat" id="<?php echo $this->get_field_id( 'subscribe_button' ); ?>"
name="<?php echo $this->get_field_name( 'subscribe_button' ); ?>" type="text"
value="<?php echo $subscribe_button; ?>"/>
</label>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'show_subscribers_total' ); ?>">
<input type="checkbox" id="<?php echo $this->get_field_id( 'show_subscribers_total' ); ?>"
name="<?php echo $this->get_field_name( 'show_subscribers_total' ); ?>"
value="1"<?php echo $show_subscribers_total; ?> />
<?php echo esc_html( sprintf( _n( 'Show total number of followers? (%s follower)', 'Show total number of followers? (%s followers)', $subscribers_total ), number_format_i18n( $subscribers_total ) ) ); ?>
</label>
</p>
<?php endif;
if ( self::is_jetpack() ) : ?>
<p>
<label for="<?php echo $this->get_field_id( 'title' ); ?>">
<?php _e( 'Widget title:', 'jetpack' ); ?>
<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>"
name="<?php echo $this->get_field_name( 'title' ); ?>" type="text"
value="<?php echo esc_attr( $title ); ?>"/>
</label>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'subscribe_text' ); ?>">
<?php _e( 'Optional text to display to your readers:', 'jetpack' ); ?>
<textarea class="widefat" id="<?php echo $this->get_field_id( 'subscribe_text' ); ?>"
name="<?php echo $this->get_field_name( 'subscribe_text' ); ?>"
rows="3"><?php echo esc_html( $subscribe_text ); ?></textarea>
</label>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'subscribe_placeholder' ); ?>">
<?php esc_html_e( 'Subscribe Placeholder:', 'jetpack' ); ?>
<input class="widefat" id="<?php echo $this->get_field_id( 'subscribe_placeholder' ); ?>"
name="<?php echo $this->get_field_name( 'subscribe_placeholder' ); ?>" type="text"
value="<?php echo esc_attr( $subscribe_placeholder ); ?>"/>
</label>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'subscribe_button' ); ?>">
<?php _e( 'Subscribe Button:', 'jetpack' ); ?>
<input class="widefat" id="<?php echo $this->get_field_id( 'subscribe_button' ); ?>"
name="<?php echo $this->get_field_name( 'subscribe_button' ); ?>" type="text"
value="<?php echo esc_attr( $subscribe_button ); ?>"/>
</label>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'success_message' ); ?>">
<?php _e( 'Success Message Text:', 'jetpack' ); ?>
<textarea class="widefat" id="<?php echo $this->get_field_id( 'success_message' ); ?>"
name="<?php echo $this->get_field_name( 'success_message' ); ?>"
rows="5"><?php echo esc_html( $success_message ); ?></textarea>
</label>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'show_subscribers_total' ); ?>">
<input type="checkbox" id="<?php echo $this->get_field_id( 'show_subscribers_total' ); ?>"
name="<?php echo $this->get_field_name( 'show_subscribers_total' ); ?>"
value="1"<?php echo $show_subscribers_total; ?> />
<?php echo esc_html( sprintf( _n( 'Show total number of subscribers? (%s subscriber)', 'Show total number of subscribers? (%s subscribers)', $subscribers_total, 'jetpack' ), $subscribers_total ) ); ?>
</label>
</p>
<?php endif;
}
}
if ( defined( 'IS_WPCOM' ) && IS_WPCOM && function_exists( 'class_alias' ) ) {
class_alias( 'Jetpack_Subscriptions_Widget', 'Blog_Subscription_Widget' );
}
function get_jetpack_blog_subscriptions_widget_classname() {
return ( defined( 'IS_WPCOM' ) && IS_WPCOM ) ?
'Blog_Subscription_Widget' :
'Jetpack_Subscriptions_Widget';
}
function jetpack_do_subscription_form( $instance ) {
if ( empty( $instance ) || ! is_array( $instance ) ) {
$instance = array();
}
if ( empty( $instance['show_subscribers_total'] ) || 'false' === $instance['show_subscribers_total'] ) {
$instance['show_subscribers_total'] = false;
} else {
$instance['show_subscribers_total'] = true;
}
$show_only_email_and_button = isset( $instance['show_only_email_and_button'] ) ? $instance['show_only_email_and_button'] : false;
$submit_button_text = isset( $instance['submit_button_text'] ) ? $instance['submit_button_text'] : '';
// Build up a string with the submit button's classes and styles and set it on the instance
$submit_button_classes = isset( $instance['submit_button_classes'] ) ? $instance['submit_button_classes'] : '';
$submit_button_styles = '';
if ( isset( $instance['custom_background_button_color'] ) ) {
$submit_button_styles .= 'background-color: ' . $instance['custom_background_button_color'] . '; ';
}
if ( isset( $instance['custom_text_button_color'] ) ) {
$submit_button_styles .= 'color: ' . $instance['custom_text_button_color'] . ';';
}
$instance = shortcode_atts(
Jetpack_Subscriptions_Widget::defaults(),
$instance,
'jetpack_subscription_form'
);
// These must come after the call to shortcode_atts()
$instance['submit_button_text'] = $submit_button_text;
$instance['show_only_email_and_button'] = $show_only_email_and_button;
if ( ! empty( $submit_button_classes ) ) {
$instance['submit_button_classes'] = $submit_button_classes;
}
if ( ! empty ( $submit_button_styles ) ) {
$instance['submit_button_styles'] = $submit_button_styles;
}
$args = array(
'before_widget' => '<div class="jetpack_subscription_widget">',
);
ob_start();
the_widget( get_jetpack_blog_subscriptions_widget_classname(), $instance, $args );
$output = ob_get_clean();
return $output;
}
add_shortcode( 'jetpack_subscription_form', 'jetpack_do_subscription_form' );
add_shortcode( 'blog_subscription_form', 'jetpack_do_subscription_form' );
function jetpack_blog_subscriptions_init() {
register_widget( get_jetpack_blog_subscriptions_widget_classname() );
}
add_action( 'widgets_init', 'jetpack_blog_subscriptions_init' );
function jetpack_register_subscriptions_block() {
if ( class_exists( 'WP_Block_Type_Registry' ) && ! WP_Block_Type_Registry::get_instance()->is_registered( 'jetpack/subscriptions' ) ) {
jetpack_register_block( 'jetpack/subscriptions' );
}
}
add_action( 'init', 'jetpack_register_subscriptions_block' );