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sharing-sources.php
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<?php
abstract class Sharing_Source {
public $button_style;
public $smart;
protected $open_link_in_new;
protected $id;
public function __construct( $id, array $settings ) {
$this->id = $id;
/**
* Filter the way sharing links open.
*
* By default, sharing links open in a new window.
*
* @module sharedaddy
*
* @since 3.4.0
*
* @param bool true Should Sharing links open in a new window. Default to true.
*/
$this->open_link_in_new = apply_filters( 'jetpack_open_sharing_in_new_window', true );
if ( isset( $settings['button_style'] ) )
$this->button_style = $settings['button_style'];
if ( isset( $settings['smart'] ) )
$this->smart = $settings['smart'];
}
public function http() {
return is_ssl() ? 'https' : 'http';
}
public function get_id() {
return $this->id;
}
public function get_class() {
return $this->id;
}
public function get_share_url( $post_id ) {
/**
* Filter the sharing permalink.
*
* @module sharedaddy
*
* @since 1.2.0
*
* @param string get_permalink( $post_id ) Post Permalink.
* @param int $post_id Post ID.
* @param int $this->id Sharing ID.
*/
return apply_filters( 'sharing_permalink', get_permalink( $post_id ), $post_id, $this->id );
}
public function get_share_title( $post_id ) {
$post = get_post( $post_id );
/**
* Filter the sharing title.
*
* @module sharedaddy
*
* @since 2.8.0
*
* @param string $post->post_title Post Title.
* @param int $post_id Post ID.
* @param int $this->id Sharing ID.
*/
$title = apply_filters( 'sharing_title', $post->post_title, $post_id, $this->id );
return html_entity_decode( wp_kses( $title, null ) );
}
public function has_custom_button_style() {
return false;
}
public function get_link( $url, $text, $title, $query = '', $id = false ) {
$args = func_get_args();
$klasses = array( 'share-'.$this->get_class(), 'sd-button' );
if ( 'icon' == $this->button_style || 'icon-text' == $this->button_style )
$klasses[] = 'share-icon';
if ( 'icon' == $this->button_style ) {
$text = $title;
$klasses[] = 'no-text';
if ( true == $this->open_link_in_new )
$text .= __( ' (Opens in new window)', 'jetpack' );
}
/**
* Filter the sharing display ID.
*
* @module sharedaddy
*
* @since 3.4.0
*
* @param int|false $id Sharing ID.
* @param object $this Sharing service properties.
* @param array $args Array of sharing service options.
*/
$id = apply_filters( 'jetpack_sharing_display_id', $id, $this, $args );
/**
* Filter the sharing display link.
*
* @module sharedaddy
*
* @since 2.8.0
*
* @param string $url Post URL.
* @param object $this Sharing service properties.
* @param int|false $id Sharing ID.
* @param array $args Array of sharing service options.
*/
$url = apply_filters( 'sharing_display_link', $url, $this, $id, $args ); // backwards compatibility
/**
* Filter the sharing display link.
*
* @module sharedaddy
*
* @since 2.8.0
*
* @param string $url Post URL.
* @param object $this Sharing service properties.
* @param int|false $id Sharing ID.
* @param array $args Array of sharing service options.
*/
$url = apply_filters( 'jetpack_sharing_display_link', $url, $this, $id, $args );
/**
* Filter the sharing display query.
*
* @module sharedaddy
*
* @since 2.8.0
*
* @param string $query Sharing service URL parameter.
* @param object $this Sharing service properties.
* @param int|false $id Sharing ID.
* @param array $args Array of sharing service options.
*/
$query = apply_filters( 'jetpack_sharing_display_query', $query, $this, $id, $args );
if ( !empty( $query ) ) {
if ( false === stripos( $url, '?' ) )
$url .= '?'.$query;
else
$url .= '&'.$query;
}
if ( 'text' == $this->button_style )
$klasses[] = 'no-icon';
/**
* Filter the sharing display classes.
*
* @module sharedaddy
*
* @since 3.4.0
*
* @param array $klasses Sharing service classes.
* @param object $this Sharing service properties.
* @param int|false $id Sharing ID.
* @param array $args Array of sharing service options.
*/
$klasses = apply_filters( 'jetpack_sharing_display_classes', $klasses, $this, $id, $args );
/**
* Filter the sharing display title.
*
* @module sharedaddy
*
* @since 3.4.0
*
* @param string $title Sharing service title.
* @param object $this Sharing service properties.
* @param int|false $id Sharing ID.
* @param array $args Array of sharing service options.
*/
$title = apply_filters( 'jetpack_sharing_display_title', $title, $this, $id, $args );
/**
* Filter the sharing display text.
*
* @module sharedaddy
*
* @since 3.4.0
*
* @param string $text Sharing service text.
* @param object $this Sharing service properties.
* @param int|false $id Sharing ID.
* @param array $args Array of sharing service options.
*/
$text = apply_filters( 'jetpack_sharing_display_text', $text, $this, $id, $args );
return sprintf(
'<a rel="nofollow" data-shared="%s" class="%s" href="%s"%s title="%s"><span%s>%s</span></a>',
( $id ? esc_attr( $id ) : '' ),
implode( ' ', $klasses ),
$url,
( true == $this->open_link_in_new ) ? ' target="_blank"' : '',
$title,
( 'icon' == $this->button_style ) ? '></span><span class="sharing-screen-reader-text"' : '',
$text
);
}
/**
* Get an unfiltered post permalink to use when generating a sharing URL with get_link.
* Use instead of get_share_url for non-official styles as get_permalink ensures that process_request
* will be executed more reliably, in the case that the filtered URL uses a service that strips query parameters.
*
* @since 3.7.0
* @param int $post_id Post ID.
* @uses get_permalink
* @return string get_permalink( $post_id ) Post permalink.
*/
public function get_process_request_url( $post_id ) {
return get_permalink( $post_id );
}
abstract public function get_name();
abstract public function get_display( $post );
public function display_header() {
}
public function display_footer() {
}
public function has_advanced_options() {
return false;
}
public function display_preview( $echo = true, $force_smart = false, $button_style = null ) {
$text = ' ';
$button_style = ( ! empty( $button_style ) ) ? $button_style : $this->button_style;
if ( !$this->smart && ! $force_smart )
if ( $button_style != 'icon' )
$text = $this->get_name();
$klasses = array( 'share-'.$this->get_class(), 'sd-button' );
if ( $button_style == 'icon' || $button_style == 'icon-text' )
$klasses[] = 'share-icon';
if ( $button_style == 'icon' )
$klasses[] = 'no-text';
if ( $button_style == 'text' )
$klasses[] = 'no-icon';
$link = sprintf(
'<a rel="nofollow" class="%s" href="javascript:void(0)" title="%s"><span>%s</span></a>',
implode( ' ', $klasses ),
$this->get_name(),
$text
);
$smart = ( $this->smart || $force_smart ) ? 'on' : 'off';
$return = "<div class='option option-smart-$smart'>$link</div>";
if ( $echo )
echo $return;
return $return;
}
public function get_total( $post = false ) {
global $wpdb, $blog_id;
$name = strtolower( $this->get_id() );
if ( $post == false ) {
// get total number of shares for service
return (int) $wpdb->get_var( $wpdb->prepare( "SELECT SUM( count ) FROM sharing_stats WHERE blog_id = %d AND share_service = %s", $blog_id, $name ) );
}
// get total shares for a post
return (int) $wpdb->get_var( $wpdb->prepare( "SELECT count FROM sharing_stats WHERE blog_id = %d AND post_id = %d AND share_service = %s", $blog_id, $post->ID, $name ) );
}
public function get_posts_total() {
global $wpdb, $blog_id;
$totals = array();
$name = strtolower( $this->get_id() );
$my_data = $wpdb->get_results( $wpdb->prepare( "SELECT post_id as id, SUM( count ) as total FROM sharing_stats WHERE blog_id = %d AND share_service = %s GROUP BY post_id ORDER BY count DESC ", $blog_id, $name ) );
if ( !empty( $my_data ) )
foreach( $my_data as $row )
$totals[] = new Sharing_Post_Total( $row->id, $row->total );
usort( $totals, array( 'Sharing_Post_Total', 'cmp' ) );
return $totals;
}
public function process_request( $post, array $post_data ) {
/**
* Fires when a post is shared via one of the sharing buttons.
*
* @module sharedaddy
*
* @since 1.1.0
*
* @param array $args Aray of information about the sharing service.
*/
do_action( 'sharing_bump_stats', array( 'service' => $this, 'post' => $post ) );
}
public function js_dialog( $name, $params = array() ) {
if ( true !== $this->open_link_in_new )
return;
$defaults = array(
'menubar' => 1,
'resizable' => 1,
'width' => 600,
'height' => 400,
);
$params = array_merge( $defaults, $params );
$opts = array();
foreach( $params as $key => $val ) {
$opts[] = "$key=$val";
}
$opts = implode( ',', $opts );
// Add JS after sharing-js has been enqueued.
wp_add_inline_script( 'sharing-js',
"var windowOpen;
jQuery( document.body ).on( 'click', 'a.share-$name', function() {
// If there's another sharing window open, close it.
if ( 'undefined' !== typeof windowOpen ) {
windowOpen.close();
}
windowOpen = window.open( jQuery( this ).attr( 'href' ), 'wpcom$name', '$opts' );
return false;
});"
);
}
}
abstract class Sharing_Advanced_Source extends Sharing_Source {
public function has_advanced_options() {
return true;
}
abstract public function display_options();
abstract public function update_options( array $data );
abstract public function get_options();
}
class Share_Email extends Sharing_Source {
public $shortname = 'email';
public $genericon = '\f410';
public function __construct( $id, array $settings ) {
parent::__construct( $id, $settings );
if ( 'official' == $this->button_style )
$this->smart = true;
else
$this->smart = false;
}
public function get_name() {
return _x( 'Email', 'as sharing source', 'jetpack' );
}
// Default does nothing
public function process_request( $post, array $post_data ) {
$ajax = false;
if ( isset( $_SERVER['HTTP_X_REQUESTED_WITH'] ) && strtolower( $_SERVER['HTTP_X_REQUESTED_WITH'] ) == 'xmlhttprequest' )
$ajax = true;
$source_email = $target_email = $source_name = false;
if ( isset( $post_data['source_email'] ) && is_email( $post_data['source_email'] ) )
$source_email = $post_data['source_email'];
if ( isset( $post_data['target_email'] ) && is_email( $post_data['target_email'] ) )
$target_email = $post_data['target_email'];
if ( isset( $post_data['source_name'] ) && strlen( $post_data['source_name'] ) < 200 ) {
$source_name = $post_data['source_name'];
} elseif ( isset( $post_data['source_name'] ) ) {
$source_name = substr( $post_data['source_name'], 0, 200 );
} else {
$source_name = '';
}
// Test email
$error = 1; // Failure in data
if ( empty( $post_data['source_f_name'] ) && $source_email && $target_email && $source_name ) {
/**
* Allow plugins to stop the email sharing button from running the shared message through Akismet.
*
* @module sharedaddy
*
* @since 1.1.0
*
* @param bool true Should we check if the message isn't spam?
* @param object $post Post information.
* @param array $post_data Information about the shared message.
*/
if ( apply_filters( 'sharing_email_check', true, $post, $post_data ) ) {
$data = array(
'post' => $post,
'source' => $source_email,
'target' => $target_email,
'name' => $source_name
);
// todo: implement an error message when email doesn't get sent.
/**
* Filter whether an email can be sent from the Email sharing button.
*
* @module sharedaddy
*
* @since 1.1.0
*
* @param array $data Array of information about the shared message.
*/
if ( ( $data = apply_filters( 'sharing_email_can_send', $data ) ) !== false ) {
// Record stats
parent::process_request( $data['post'], $post_data );
/**
* Fires when an email is sent via the Email sharing button.
*
* @module sharedaddy
*
* @since 1.1.0
*
* @param array $data Array of information about the shared message.
*/
do_action( 'sharing_email_send_post', $data );
}
// Return a positive regardless of whether the user is subscribed or not
if ( $ajax ) {
?>
<div class="response">
<div class="response-title"><?php _e( 'This post has been shared!', 'jetpack' ); ?></div>
<div class="response-sub"><?php printf( __( 'You have shared this post with %s', 'jetpack' ), esc_html( $target_email ) ); ?></div>
<div class="response-close"><a href="#" class="sharing_cancel"><?php _e( 'Close', 'jetpack' ); ?></a></div>
</div>
<?php
}
else
wp_safe_redirect( get_permalink( $post->ID ).'?shared=email' );
die();
}
else
$error = 2; // Email check failed
}
if ( $ajax )
echo $error;
else
wp_safe_redirect( get_permalink( $post->ID ).'?shared=email&msg=fail' );
die();
}
public function get_display( $post ) {
return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Email', 'share to', 'jetpack' ), __( 'Click to email this to a friend', 'jetpack' ), 'share=email' );
}
/**
* Outputs the hidden email dialog
*/
public function display_footer() {
global $current_user;
$visible = $status = false;
?>
<div id="sharing_email" style="display: none;">
<form action="<?php echo esc_url( $_SERVER['REQUEST_URI'] ); ?>" method="post">
<label for="target_email"><?php _e( 'Send to Email Address', 'jetpack' ) ?></label>
<input type="email" name="target_email" id="target_email" value="" />
<?php if ( is_user_logged_in() ) : ?>
<input type="hidden" name="source_name" value="<?php echo esc_attr( $current_user->display_name ); ?>" />
<input type="hidden" name="source_email" value="<?php echo esc_attr( $current_user->user_email ); ?>" />
<?php else : ?>
<label for="source_name"><?php _e( 'Your Name', 'jetpack' ) ?></label>
<input type="text" name="source_name" id="source_name" value="" />
<label for="source_email"><?php _e( 'Your Email Address', 'jetpack' ) ?></label>
<input type="email" name="source_email" id="source_email" value="" />
<?php endif; ?>
<input type="text" id="jetpack-source_f_name" name="source_f_name" class="input" value="" size="25" autocomplete="off" />
<script>jQuery( document ).ready( function(){ document.getElementById('jetpack-source_f_name').value = '' });</script>
<?php
/**
* Fires when the Email sharing dialog is loaded.
*
* @module sharedaddy
*
* @since 1.1.0
*
* @param string jetpack Eail sharing source.
*/
do_action( 'sharing_email_dialog', 'jetpack' );
?>
<img style="float: right; display: none" class="loading" src="<?php
/** This filter is documented in modules/stats.php */
echo apply_filters( 'jetpack_static_url', plugin_dir_url( __FILE__ ) . 'images/loading.gif' ); ?>" alt="loading" width="16" height="16" />
<input type="submit" value="<?php esc_attr_e( 'Send Email', 'jetpack' ); ?>" class="sharing_send" />
<a rel="nofollow" href="#cancel" class="sharing_cancel"><?php _e( 'Cancel', 'jetpack' ); ?></a>
<div class="errors errors-1" style="display: none;">
<?php _e( 'Post was not sent - check your email addresses!', 'jetpack' ); ?>
</div>
<div class="errors errors-2" style="display: none;">
<?php _e( 'Email check failed, please try again', 'jetpack' ); ?>
</div>
<div class="errors errors-3" style="display: none;">
<?php _e( 'Sorry, your blog cannot share posts by email.', 'jetpack' ); ?>
</div>
</form>
</div>
<?php
}
}
class Share_Twitter extends Sharing_Source {
public $shortname = 'twitter';
public $genericon = '\f202';
// 'https://dev.twitter.com/rest/reference/get/help/configuration' ( 2015/02/06 ) short_url_length is 22, short_url_length_https is 23
public $short_url_length = 24;
public function __construct( $id, array $settings ) {
parent::__construct( $id, $settings );
if ( 'official' == $this->button_style )
$this->smart = true;
else
$this->smart = false;
}
public function get_name() {
return __( 'Twitter', 'jetpack' );
}
function sharing_twitter_via( $post ) {
/**
* Allow third-party plugins to customize the Twitter username used as "twitter:site" Twitter Card Meta Tag.
*
* @module sharedaddy
*
* @since 3.0.0
*
* @param string $string Twitter Username.
* @param array $args Array of Open Graph Meta Tags and Twitter Cards tags.
*/
$twitter_site_tag_value = apply_filters( 'jetpack_twitter_cards_site_tag', '', array() );
/*
* Hack to remove the unwanted behavior of adding 'via @jetpack' which
* was introduced with the adding of the Twitter cards.
* This should be a temporary solution until a better method is setup.
*/
if( 'jetpack' == $twitter_site_tag_value ) {
$twitter_site_tag_value = '';
}
/**
* Filters the Twitter username used as "via" in the Twitter sharing button.
*
* @module sharedaddy
*
* @since 1.7.0
*
* @param string $twitter_site_tag_value Twitter Username.
* @param int $post->ID Post ID.
*/
$twitter_site_tag_value = apply_filters( 'jetpack_sharing_twitter_via', $twitter_site_tag_value, $post->ID );
// Strip out anything other than a letter, number, or underscore.
// This will prevent the inadvertent inclusion of an extra @, as well as normalizing the handle.
return preg_replace( '/[^\da-z_]+/i', '', $twitter_site_tag_value );
}
public function get_related_accounts( $post ) {
/**
* Filter the list of related Twitter accounts added to the Twitter sharing button.
*
* @module sharedaddy
*
* @since 1.7.0
*
* @param array $args Array of Twitter usernames. Format is 'username' => 'Optional description'
* @param int $post->ID Post ID.
*/
$related_accounts = apply_filters( 'jetpack_sharing_twitter_related', array(), $post->ID );
// Example related string: account1,account2:Account 2 description,account3
$related = array();
foreach ( $related_accounts as $related_account_username => $related_account_description ) {
// Join the description onto the end of the username
if ( $related_account_description )
$related_account_username .= ':' . $related_account_description;
$related[] = $related_account_username;
}
return implode( ',', $related );
}
public function get_display( $post ) {
$via = $this->sharing_twitter_via( $post );
if ( $via ) {
$via = 'data-via="' . esc_attr( $via ) . '"';
} else {
$via = '';
}
$related = $this->get_related_accounts( $post );
if ( ! empty( $related ) && $related !== $via ) {
$related = 'data-related="' . esc_attr( $related ) . '"';
} else {
$related = '';
}
if ( $this->smart ) {
$share_url = $this->get_share_url( $post->ID );
$post_title = $this->get_share_title( $post->ID );
return sprintf(
'<a href="https://twitter.com/share" class="twitter-share-button" data-url="%1$s" data-text="%2$s" %3$s %4$s>Tweet</a>',
esc_url( $share_url ),
esc_attr( $post_title ),
$via,
$related
);
} else {
if (
/**
* Allow plugins to disable sharing counts for specific sharing services.
*
* @module sharedaddy
*
* @since 3.0.0
*
* @param bool true Should sharing counts be enabled for this specific service. Default to true.
* @param int $post->ID Post ID.
* @param string $str Sharing service name.
*/
apply_filters( 'jetpack_register_post_for_share_counts', true, $post->ID, 'twitter' )
) {
sharing_register_post_for_share_counts( $post->ID );
}
return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Twitter', 'share to', 'jetpack' ), __( 'Click to share on Twitter', 'jetpack' ), 'share=twitter', 'sharing-twitter-' . $post->ID );
}
}
public function process_request( $post, array $post_data ) {
$post_title = $this->get_share_title( $post->ID );
$post_link = $this->get_share_url( $post->ID );
if ( function_exists( 'mb_stripos' ) ) {
$strlen = 'mb_strlen';
$substr = 'mb_substr';
} else {
$strlen = 'strlen';
$substr = 'substr';
}
$via = $this->sharing_twitter_via( $post );
$related = $this->get_related_accounts( $post );
if ( $via ) {
$sig = " via @$via";
if ( $related === $via ) {
$related = false;
}
} else {
$via = false;
$sig = '';
}
$suffix_length = $this->short_url_length + $strlen( $sig );
// $sig is handled by twitter in their 'via' argument.
// $post_link is handled by twitter in their 'url' argument.
if ( 140 < $strlen( $post_title ) + $suffix_length ) {
// The -1 is for "\xE2\x80\xA6", a UTF-8 ellipsis.
$text = $substr( $post_title, 0, 140 - $suffix_length - 1 ) . "\xE2\x80\xA6";
} else {
$text = $post_title;
}
// Record stats
parent::process_request( $post, $post_data );
$url = $post_link;
$twitter_url = add_query_arg(
rawurlencode_deep( array_filter( compact( 'via', 'related', 'text', 'url' ) ) ),
'https://twitter.com/intent/tweet'
);
// Redirect to Twitter
wp_redirect( $twitter_url );
die();
}
public function has_custom_button_style() {
return $this->smart;
}
public function display_footer() {
if ( $this->smart ) {
?>
<script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script>
<?php
} else {
$this->js_dialog( $this->shortname, array( 'height' => 350 ) );
}
}
}
class Share_Reddit extends Sharing_Source {
public $shortname = 'reddit';
public $genericon = '\f222';
public function __construct( $id, array $settings ) {
parent::__construct( $id, $settings );
if ( 'official' == $this->button_style )
$this->smart = true;
else
$this->smart = false;
}
public function get_name() {
return __( 'Reddit', 'jetpack' );
}
public function get_display( $post ) {
if ( $this->smart )
return '<div class="reddit_button"><iframe src="' . $this->http() . '://www.reddit.com/static/button/button1.html?newwindow=true&width=120&url=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&title=' . rawurlencode( $this->get_share_title( $post->ID ) ) . '" height="22" width="120" scrolling="no" frameborder="0"></iframe></div>';
else
return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Reddit', 'share to', 'jetpack' ), __( 'Click to share on Reddit', 'jetpack' ), 'share=reddit' );
}
public function process_request( $post, array $post_data ) {
$reddit_url = $this->http() . '://reddit.com/submit?url=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&title=' . rawurlencode( $this->get_share_title( $post->ID ) );
// Record stats
parent::process_request( $post, $post_data );
// Redirect to Reddit
wp_redirect( $reddit_url );
die();
}
}
class Share_LinkedIn extends Sharing_Source {
public $shortname = 'linkedin';
public $genericon = '\f207';
public function __construct( $id, array $settings ) {
parent::__construct( $id, $settings );
if ( 'official' == $this->button_style )
$this->smart = true;
else
$this->smart = false;
}
public function get_name() {
return __( 'LinkedIn', 'jetpack' );
}
public function has_custom_button_style() {
return $this->smart;
}
public function get_display( $post ) {
$display = '';
if ( $this->smart ) {
$share_url = $this->get_share_url( $post->ID );
$display .= sprintf( '<div class="linkedin_button"><script type="in/share" data-url="%s" data-counter="right"></script></div>', esc_url( $share_url ) );
} else {
$display = $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'LinkedIn', 'share to', 'jetpack' ), __( 'Click to share on LinkedIn', 'jetpack' ), 'share=linkedin', 'sharing-linkedin-' . $post->ID );
}
/** This filter is already documented in modules/sharedaddy/sharing-sources.php */
if ( apply_filters( 'jetpack_register_post_for_share_counts', true, $post->ID, 'linkedin' ) ) {
sharing_register_post_for_share_counts( $post->ID );
}
return $display;
}
public function process_request( $post, array $post_data ) {
$post_link = $this->get_share_url( $post->ID );
// Using the same URL as the official button, which is *not* LinkedIn's documented sharing link
// https://www.linkedin.com/cws/share?url={url}&token=&isFramed=false
$linkedin_url = add_query_arg( array(
'url' => rawurlencode( $post_link ),
), 'https://www.linkedin.com/cws/share?token=&isFramed=false' );
// Record stats
parent::process_request( $post, $post_data );
// Redirect to LinkedIn
wp_redirect( $linkedin_url );
die();
}
public function display_footer() {
if ( !$this->smart ) {
$this->js_dialog( $this->shortname, array( 'width' => 580, 'height' => 450 ) );
} else {
?><script type="text/javascript">
jQuery( document ).ready( function() {
jQuery.getScript( 'https://platform.linkedin.com/in.js?async=true', function success() {
IN.init();
});
});
jQuery( document.body ).on( 'post-load', function() {
if ( typeof IN != 'undefined' )
IN.parse();
});
</script><?php
}
}
}
class Share_Facebook extends Sharing_Source {
public $shortname = 'facebook';
public $genericon = '\f204';
private $share_type = 'default';
public function __construct( $id, array $settings ) {
parent::__construct( $id, $settings );
if ( isset( $settings['share_type'] ) )
$this->share_type = $settings['share_type'];
if ( 'official' == $this->button_style )
$this->smart = true;
else
$this->smart = false;
}
public function get_name() {
return __( 'Facebook', 'jetpack' );
}
public function display_header() {
}
function guess_locale_from_lang( $lang ) {
if ( 'en' == $lang || 'en_US' == $lang || !$lang ) {
return 'en_US';
}
if ( !class_exists( 'GP_Locales' ) ) {
if ( !defined( 'JETPACK__GLOTPRESS_LOCALES_PATH' ) || !file_exists( JETPACK__GLOTPRESS_LOCALES_PATH ) ) {
return false;
}
require JETPACK__GLOTPRESS_LOCALES_PATH;
}
if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
// WP.com: get_locale() returns 'it'
$locale = GP_Locales::by_slug( $lang );
} else {
// Jetpack: get_locale() returns 'it_IT';
$locale = GP_Locales::by_field( 'wp_locale', $lang );
}
if ( ! $locale ) {
return false;
}
if ( empty( $locale->facebook_locale ) ) {
if ( empty( $locale->wp_locale ) ) {
return false;
} else {
// Facebook SDK is smart enough to fall back to en_US if a
// locale isn't supported. Since supported Facebook locales
// can fall out of sync, we'll attempt to use the known
// wp_locale value and rely on said fallback.
return $locale->wp_locale;
}
}
return $locale->facebook_locale;
}
public function get_display( $post ) {
if ( $this->smart ) {
$share_url = $this->get_share_url( $post->ID );
$fb_share_html = '<div class="fb-share-button" data-href="' . esc_attr( $share_url ) . '" data-layout="button_count"></div>';
/**
* Filter the output of the Facebook Sharing button.
*
* @module sharedaddy
*
* @since 3.6.0
*
* @param string $fb_share_html Facebook Sharing button HTML.
* @param string $share_url URL of the post to share.
*/
return apply_filters( 'jetpack_sharing_facebook_official_button_output', $fb_share_html, $share_url );
}
/** This filter is already documented in modules/sharedaddy/sharing-sources.php */
if ( apply_filters( 'jetpack_register_post_for_share_counts', true, $post->ID, 'facebook' ) ) {
sharing_register_post_for_share_counts( $post->ID );
}
return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Facebook', 'share to', 'jetpack' ), __( 'Click to share on Facebook', 'jetpack' ), 'share=facebook', 'sharing-facebook-' . $post->ID );
}
public function process_request( $post, array $post_data ) {
$fb_url = $this->http() . '://www.facebook.com/sharer.php?u=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&t=' . rawurlencode( $this->get_share_title( $post->ID ) );
// Record stats
parent::process_request( $post, $post_data );
// Redirect to Facebook
wp_redirect( $fb_url );
die();
}
public function display_footer() {
$this->js_dialog( $this->shortname );
if ( $this->smart ) {
$locale = $this->guess_locale_from_lang( get_locale() );
if ( ! $locale ) {
$locale = 'en_US';
}
/**
* Filter the App ID used in the official Facebook Share button.
*
* @since 3.8.0
*
* @param int $fb_app_id Facebook App ID. Default to 249643311490 (WordPress.com's App ID).
*/
$fb_app_id = apply_filters( 'jetpack_sharing_facebook_app_id', '249643311490' );
if ( is_numeric( $fb_app_id ) ) {
$fb_app_id = '&appId=' . $fb_app_id;
} else {
$fb_app_id = '';
}
?><div id="fb-root"></div>
<script>(function(d, s, id) { var js, fjs = d.getElementsByTagName(s)[0]; if (d.getElementById(id)) return; js = d.createElement(s); js.id = id; js.src = 'https://connect.facebook.net/<?php echo $locale; ?>/sdk.js#xfbml=1<?php echo $fb_app_id; ?>&version=v2.3'; fjs.parentNode.insertBefore(js, fjs); }(document, 'script', 'facebook-jssdk'));</script>
<script>
jQuery( document.body ).on( 'post-load', function() {
if ( 'undefined' !== typeof FB ) {
FB.XFBML.parse();
}
} );
</script>
<?php
}
}
}
class Share_Print extends Sharing_Source {
public $shortname = 'print';
public $genericon = '\f469';
public function __construct( $id, array $settings ) {
parent::__construct( $id, $settings );
if ( 'official' == $this->button_style )
$this->smart = true;
else
$this->smart = false;
}
public function get_name() {
return __( 'Print', 'jetpack' );
}
public function get_display( $post ) {
return $this->get_link( $this->get_process_request_url( $post->ID ) . ( ( is_single() || is_page() ) ? '#print': '' ), _x( 'Print', 'share to', 'jetpack' ), __( 'Click to print', 'jetpack' ) );
}
}
class Share_PressThis extends Sharing_Source {
public $shortname = 'pressthis';
public $genericon = '\f205';
public function __construct( $id, array $settings ) {