<?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 .= '&amp;' . $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 = '&nbsp;';
        $button_style = (!empty($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);
        ?>
        <script type="text/javascript">
            var windowOpen;
            jQuery(document).on('ready post-load', function () {
                jQuery('a.share-<?php echo $name; ?>').on('click', function () {
                    if ('undefined' !== typeof windowOpen) { // If there's another sharing window open, close it.
                        windowOpen.close();
                    }
                    windowOpen = window.open(jQuery(this).attr('href'), 'wpcom<?php echo $name; ?>', '<?php echo $opts; ?>');
                    return false;
                });
            });
        </script>
        <?php
    }

}

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 ($ajax) {
                    ?>
                    <div class="response">
                        <div class="response-title"><?php printf(__('You’ve invited %s to take the REIZE Challenge!', 'jetpack'), esc_html($target_email)); ?></div>
                        <div class="response-sub"><?php printf(__('Help other friends save money by inviting them too.', 'jetpack')); ?></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> 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"; /*FGC edit*/
            $text = $post_title; /* FGC adding */
        } 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="' . $this->http() . '://www.reddit.com/static/button/button1.html?newwindow=true&width=120&amp;url=' . rawurlencode($this->get_share_url($post->ID)) . '&amp;title=' . rawurlencode($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('//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 = '//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 $settings) {
        parent::__construct($id, $settings);

        if ('official' == $this->button_style)
            $this->smart = true;
        else
            $this->smart = false;
    }

    public function get_name() {
        return __('Press This', 'jetpack');
    }

    public function process_request($post, array $post_data) {
        global $current_user;

        $primary_blog = (int) get_user_meta($current_user->ID, 'primary_blog', true);
        if ($primary_blog) {
            $primary_blog_details = get_blog_details($primary_blog);
        } else {
            $primary_blog_details = false;
        }

        if ($primary_blog_details) {
            $blogs = array($primary_blog_details);
        } elseif (function_exists('get_active_blogs_for_user')) {
            $blogs = get_active_blogs_for_user();
            if (empty($blogs)) {
                $blogs = get_blogs_of_user($current_user->ID);
            }
        } else {
            $blogs = get_blogs_of_user($current_user->ID);
        }

        if (empty($blogs)) {
            wp_safe_redirect(get_permalink($post->ID));
            die();
        }

        $blog = current($blogs);

        $url = $blog->siteurl . '/wp-admin/press-this.php?u=' . rawurlencode($this->get_share_url($post->ID)) . '&t=' . rawurlencode($this->get_share_title($post->ID));

        if (isset($_GET['sel']))
            $url .= '&s=' . rawurlencode($_GET['sel']);

        // Record stats
        parent::process_request($post, $post_data);

        // Redirect to Press This
        wp_safe_redirect($url);
        die();
    }

    public function get_display($post) {
        return $this->get_link($this->get_process_request_url($post->ID), _x('Press This', 'share to', 'jetpack'), __('Click to Press This!', 'jetpack'), 'share=press-this');
    }

}

class Share_GooglePlus1 extends Sharing_Source {

    public $shortname = 'googleplus1';
    public $genericon = '\f218';
    private $state = false;

    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 __('Google', 'jetpack');
    }

    public function has_custom_button_style() {
        return $this->smart;
    }

    public function get_display($post) {

        if ($this->smart) {
            $share_url = $this->get_share_url($post->ID);
            return '<div class="googleplus1_button"><div class="g-plus" data-action="share" data-annotation="bubble" data-href="' . esc_url($share_url) . '"></div></div>';
        } else {
            return $this->get_link($this->get_process_request_url($post->ID), _x('Google', 'share to', 'jetpack'), __('Click to share on Google+', 'jetpack'), 'share=google-plus-1', 'sharing-google-' . $post->ID);
        }
    }

    public function get_state() {
        return $this->state;
    }

    public function process_request($post, array $post_data) {

        if (isset($post_data['state'])) {
            $this->state = $post_data['state'];
        }
        // Record stats
        parent::process_request($post, $post_data);

        // Redirect to Google +'s sharing endpoint
        $url = 'https://plus.google.com/share?url=' . rawurlencode($this->get_share_url($post->ID));
        wp_redirect($url);
        die();
    }

    public function display_footer() {
        global $post;

        if ($this->smart) {
            ?>
            <script>
                function renderGooglePlus1() {
                    if ('undefined' === typeof gapi) {
                        return;
                    }

                    jQuery('.g-plus').each(function () {
                        var $button = jQuery(this);

                        if (!$button.data('gplus-rendered')) {
                            gapi.plusone.render(this, {
                                href: $button.attr('data-href'),
                                size: $button.attr('data-size'),
                                annotation: $button.attr('data-annotation')
                            });

                            $button.data('gplus-rendered', true);
                        }
                    });
                }

                (function () {
                    var po = document.createElement('script');
                    po.type = 'text/javascript';
                    po.async = true;
                    po.src = 'https://apis.google.com/js/plusone.js';
                    po.innerHTML = '{"parsetags": "explicit"}';
                    po.onload = renderGooglePlus1;
                    var s = document.getElementsByTagName('script')[0];
                    s.parentNode.insertBefore(po, s);
                })();

                jQuery(document.body).on('post-load', renderGooglePlus1);
            </script>
            <?php
        } else {
            $this->js_dialog('google-plus-1', array('width' => 480, 'height' => 550));
        }
    }

    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 $wpdb->get_var($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 $wpdb->get_var($wpdb->prepare("SELECT count FROM sharing_stats WHERE blog_id = %d AND post_id = %d AND share_service = %s", $blog_id, $post->ID, $name));
    }

}

class Share_Custom extends Sharing_Advanced_Source {

    private $name;
    private $icon;
    private $url;
    public $smart = true;
    public $shortname;

    public function get_class() {
        return 'custom share-custom-' . sanitize_html_class(strtolower($this->name));
    }

    public function __construct($id, array $settings) {
        parent::__construct($id, $settings);

        $opts = $this->get_options();

        if (isset($settings['name'])) {
            $this->name = $settings['name'];
            $this->shortname = preg_replace('/[^a-z0-9]*/', '', $settings['name']);
        }

        if (isset($settings['icon'])) {
            $this->icon = $settings['icon'];

            $new_icon = esc_url_raw(wp_specialchars_decode($this->icon, ENT_QUOTES));
            $i = 0;
            while ($new_icon != $this->icon) {
                if ($i > 5) {
                    $this->icon = false;
                    break;
                } else {
                    $this->icon = $new_icon;
                    $new_icon = esc_url_raw(wp_specialchars_decode($this->icon, ENT_QUOTES));
                }
                $i++;
            }
        }

        if (isset($settings['url']))
            $this->url = $settings['url'];
    }

    public function get_name() {
        return $this->name;
    }

    public function get_display($post) {
        $str = $this->get_link($this->get_process_request_url($post->ID), esc_html($this->name), sprintf(__('Click to share on %s', 'jetpack'), esc_attr($this->name)), 'share=' . $this->id);
        return str_replace('<span>', '<span style="' . esc_attr('background-image:url("' . addcslashes(esc_url_raw($this->icon), '"') . '");') . '">', $str);
    }

    public function process_request($post, array $post_data) {
        $url = str_replace('&amp;', '&', $this->url);
        $url = str_replace('%post_url%', rawurlencode($this->get_share_url($post->ID)), $url);
        $url = str_replace('%post_full_url%', rawurlencode(get_permalink($post->ID)), $url);
        $url = str_replace('%post_title%', rawurlencode($this->get_share_title($post->ID)), $url);

        if (strpos($url, '%post_tags%') !== false) {
            $tags = get_the_tags($post->ID);
            $tagged = '';

            if ($tags) {
                foreach ($tags AS $tag) {
                    $tagged[] = rawurlencode($tag->name);
                }

                $tagged = implode(',', $tagged);
            }

            $url = str_replace('%post_tags%', $tagged, $url);
        }

        if (strpos($url, '%post_excerpt%') !== false) {
            $url_excerpt = $post->post_excerpt;
            if (empty($url_excerpt))
                $url_excerpt = $post->post_content;

            $url_excerpt = strip_tags(strip_shortcodes($url_excerpt));
            $url_excerpt = wp_html_excerpt($url_excerpt, 100);
            $url_excerpt = rtrim(preg_replace('/[^ .]*$/', '', $url_excerpt));
            $url = str_replace('%post_excerpt%', rawurlencode($url_excerpt), $url);
        }

        // Record stats
        parent::process_request($post, $post_data);

        // Redirect
        wp_redirect($url);
        die();
    }

    public function display_options() {
        ?>
        <div class="input">
            <table class="form-table">
                <tbody>
                    <tr>
                        <th scope="row"><?php _e('Label', 'jetpack'); ?></th>
                        <td><input type="text" name="name" value="<?php echo esc_attr($this->name); ?>" /></td>
                    </tr>

                    <tr>
                        <th scope="row"><?php _e('URL', 'jetpack'); ?></th>
                        <td><input type="text" name="url" value="<?php echo esc_attr($this->url); ?>" /></td>
                    </tr>

                    <tr>
                        <th scope="row"><?php _e('Icon', 'jetpack'); ?></th>
                        <td><input type="text" name="icon" value="<?php echo esc_attr($this->icon); ?>" /></td>
                    </tr>

                    <tr>
                        <th scope="row"></th>
                        <td>
                            <input class="button-secondary" type="submit" value="<?php esc_attr_e('Save', 'jetpack'); ?>" />
                            <a href="#" class="remove"><small><?php _e('Remove Service', 'jetpack'); ?></small></a>
                        </td>
                    </tr>
                </tbody>
            </table>
        </div>
        <?php
    }

    public function update_options(array $data) {
        $name = trim(wp_html_excerpt(wp_kses(stripslashes($data['name']), array()), 30));
        $url = trim(esc_url_raw($data['url']));
        $icon = trim(esc_url_raw($data['icon']));

        if ($name)
            $this->name = $name;

        if ($url)
            $this->url = $url;

        if ($icon)
            $this->icon = $icon;
    }

    public function get_options() {
        return array(
            'name' => $this->name,
            'icon' => $this->icon,
            'url' => $this->url,
        );
    }

    public function display_preview($echo = true, $force_smart = false, $button_style = null) {
        $opts = $this->get_options();

        $text = '&nbsp;';
        if (!$this->smart)
            if ($this->button_style != 'icon')
                $text = $this->get_name();

        $klasses = array('share-' . $this->shortname);

        if ($this->button_style == 'icon' || $this->button_style == 'icon-text')
            $klasses[] = 'share-icon';

        if ($this->button_style == 'icon') {
            $text = '';
            $klasses[] = 'no-text';
        }

        if ($this->button_style == 'text')
            $klasses[] = 'no-icon';

        $link = sprintf(
                '<a rel="nofollow" class="%s" href="javascript:void(0)" title="%s"><span style="background-image:url(&quot;%s&quot;) !important;background-position:left center;background-repeat:no-repeat;">%s</span></a>', implode(' ', $klasses), $this->get_name(), addcslashes(esc_url_raw($opts['icon']), '"'), $text
        );
        ?>
        <div class="option option-smart-off">
            <?php echo $link; ?>
        </div><?php
    }

}

class Share_Tumblr extends Sharing_Source {

    public $shortname = 'tumblr';
    public $genericon = '\f214';

    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 __('Tumblr', 'jetpack');
    }

    public function get_display($post) {
        if ($this->smart) {
            $target = '';
            if (true == $this->open_link_in_new)
                $target = '_blank';

            return '<a target="' . $target . '" href="http://www.tumblr.com/share/link/?url=' . rawurlencode($this->get_share_url($post->ID)) . '&name=' . rawurlencode($this->get_share_title($post->ID)) . '" title="' . __('Share on Tumblr', 'jetpack') . '" style="display:inline-block; text-indent:-9999px; overflow:hidden; width:62px; height:20px; background:url(\'//platform.tumblr.com/v1/share_2.png\') top left no-repeat transparent;">' . __('Share on Tumblr', 'jetpack') . '</a>';
        } else {
            return $this->get_link($this->get_process_request_url($post->ID), _x('Tumblr', 'share to', 'jetpack'), __('Click to share on Tumblr', 'jetpack'), 'share=tumblr');
        }
    }

    public function process_request($post, array $post_data) {
        // Record stats
        parent::process_request($post, $post_data);

        // Redirect to Tumblr's sharing endpoint (a la their bookmarklet)
        $url = 'http://www.tumblr.com/share?v=3&u=' . rawurlencode($this->get_share_url($post->ID)) . '&t=' . rawurlencode($this->get_share_title($post->ID)) . '&s=';
        wp_redirect($url);
        die();
    }

    // http://www.tumblr.com/share?v=3&u=URL&t=TITLE&s=
    public function display_footer() {
        if ($this->smart) {
            ?><script type="text/javascript" src="//platform.tumblr.com/v1/share.js"></script><?php
        } else {
            $this->js_dialog($this->shortname, array('width' => 450, 'height' => 450));
        }
    }

}

class Share_Pinterest extends Sharing_Source {

    public $shortname = 'pinterest';
    public $genericon = '\f209';

    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 __('Pinterest', 'jetpack');
    }

    public function get_image($post) {
        if (class_exists('Jetpack_PostImages')) {
            $image = Jetpack_PostImages::get_image($post->ID, array('fallback_to_avatars' => true));
            if (!empty($image)) {
                return $image['src'];
            }
        }

        /**
         * Filters the default image used by the Pinterest Pin It share button.
         *
         * @module sharedaddy
         *
         * @since 3.6.0
         *
         * @param string $url Default image URL.
         */
        return apply_filters('jetpack_sharing_pinterest_default_image', 'https://s0.wp.com/i/blank.jpg');
    }

    public function get_external_url($post) {
        $url = 'https://www.pinterest.com/pin/create/button/?url=' . rawurlencode($this->get_share_url($post->ID)) . '&media=' . rawurlencode($this->get_image($post)) . '&description=' . rawurlencode($post->post_title);

        /**
         * Filters the Pinterest share URL used in sharing button output.
         *
         * @module sharedaddy
         *
         * @since 3.6.0
         *
         * @param string $url Pinterest share URL.
         */
        return apply_filters('jetpack_sharing_pinterest_share_url', $url);
    }

    public function get_widget_type() {
        /**
         * Filters the Pinterest widget type.
         *
         * @see https://business.pinterest.com/en/widget-builder
         *
         * @module sharedaddy
         *
         * @since 3.6.0
         *
         * @param string $type Pinterest widget type. Default of 'buttonPin' for single-image selection. 'buttonBookmark' for multi-image modal.
         */
        return apply_filters('jetpack_sharing_pinterest_widget_type', 'buttonPin');
    }

    public function get_display($post) {
        $display = '';

        if ($this->smart) {
            $display = sprintf(
                    '<div class="pinterest_button"><a href="%s" data-pin-do="%s" data-pin-config="beside"><img src="//assets.pinterest.com/images/pidgets/pinit_fg_en_rect_gray_20.png" /></a></div>', esc_url($this->get_external_url($post)), esc_attr($this->get_widget_type())
            );
        } else {
            $display = $this->get_link($this->get_process_request_url($post->ID), _x('Pinterest', 'share to', 'jetpack'), __('Click to share on Pinterest', 'jetpack'), 'share=pinterest', 'sharing-pinterest-' . $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 $post_data) {
        // Record stats
        parent::process_request($post, $post_data);
        // If we're triggering the multi-select panel, then we don't need to redirect to Pinterest
        if (!isset($_GET['js_only'])) {
            $pinterest_url = esc_url_raw($this->get_external_url($post));
            wp_redirect($pinterest_url);
        } else {
            echo '// share count bumped';
        }
        die();
    }

    public function display_footer() {
        /**
         * Filter the Pin it button appearing when hovering over images when using the official button style.
         *
         * @module sharedaddy
         *
         * @since 3.6.0
         *
         * @param bool $jetpack_pinit_over True by default, displays the Pin it button when hovering over images.
         */
        $jetpack_pinit_over = apply_filters('jetpack_pinit_over_button', true);
        ?>
        <?php if ($this->smart) : ?>
            <script type="text/javascript">
                // Pinterest shared resources
                var s = document.createElement("script");
                s.type = "text/javascript";
                s.async = true;
            <?php if ($jetpack_pinit_over) echo "s.setAttribute('data-pin-hover', true);"; ?>
                s.src = window.location.protocol + "//assets.pinterest.com/js/pinit.js";
                var x = document.getElementsByTagName("script")[0];
                x.parentNode.insertBefore(s, x);
                // if 'Pin it' button has 'counts' make container wider
                jQuery(window).load(function () {
                    jQuery('li.share-pinterest a span:visible').closest('.share-pinterest').width('80px');
                });
            </script>
        <?php elseif ('buttonPin' != $this->get_widget_type()) : ?>
            <script type="text/javascript">
                jQuery(document).on('ready', function () {
                    jQuery('body').on('click', 'a.share-pinterest', function (e) {
                        e.preventDefault();
                        // Load Pinterest Bookmarklet code
                        var s = document.createElement("script");
                        s.type = "text/javascript";
                        s.src = window.location.protocol + "//assets.pinterest.com/js/pinmarklet.js?r=" + (Math.random() * 99999999);
                        var x = document.getElementsByTagName("script")[0];
                        x.parentNode.insertBefore(s, x);
                        // Trigger Stats
                        var s = document.createElement("script");
                        s.type = "text/javascript";
                        s.src = this + (this.toString().indexOf('?') ? '&' : '?') + 'js_only=1';
                        var x = document.getElementsByTagName("script")[0];
                        x.parentNode.insertBefore(s, x);
                    });
                });
            </script>
            <?php
        endif;
    }

}

class Share_Pocket extends Sharing_Source {

    public $shortname = 'pocket';
    public $genericon = '\f224';

    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 __('Pocket', 'jetpack');
    }

    public function process_request($post, array $post_data) {
        // Record stats
        parent::process_request($post, $post_data);

        $pocket_url = esc_url_raw('https://getpocket.com/save/?url=' . rawurlencode($this->get_share_url($post->ID)) . '&title=' . rawurlencode($this->get_share_title($post->ID)));
        wp_redirect($pocket_url);
        exit;
    }

    public function get_display($post) {
        if ($this->smart) {
            $post_count = 'horizontal';

            $button = '';
            $button .= '<div class="pocket_button">';
            $button .= sprintf('<a href="https://getpocket.com/save" class="pocket-btn" data-lang="%s" data-save-url="%s" data-pocket-count="%s" >%s</a>', 'en', esc_attr($this->get_share_url($post->ID)), $post_count, esc_attr__('Pocket', 'jetpack'));
            $button .= '</div>';

            return $button;
        } else {
            return $this->get_link($this->get_process_request_url($post->ID), _x('Pocket', 'share to', 'jetpack'), __('Click to share on Pocket', 'jetpack'), 'share=pocket');
        }
    }

    function display_footer() {
        if ($this->smart) :
            ?>
            <script>
            // Don't use Pocket's default JS as it we need to force init new Pocket share buttons loaded via JS.
                function jetpack_sharing_pocket_init() {
                    jQuery.getScript('https://widgets.getpocket.com/v1/j/btn.js?v=1');
                }
                jQuery(document).on('ready', jetpack_sharing_pocket_init);
                jQuery(document.body).on('post-load', jetpack_sharing_pocket_init);
            </script>
            <?php
        else :
            $this->js_dialog($this->shortname, array('width' => 450, 'height' => 450));
        endif;
    }

}

class Share_Telegram extends Sharing_Source {

    public $shortname = 'telegram';

    public function __construct($id, array $settings) {
        parent::__construct($id, $settings);
    }

    public function get_name() {
        return __('Telegram', 'jetpack');
    }

    public function process_request($post, array $post_data) {
        // Record stats
        parent::process_request($post, $post_data);
        $telegram_url = esc_url_raw('https://telegram.me/share/url?url=' . rawurlencode($this->get_share_url($post->ID)) . '&text=' . rawurlencode($this->get_share_title($post->ID)));
        wp_redirect($telegram_url);
        exit;
    }

    public function get_display($post) {
        return $this->get_link($this->get_process_request_url($post->ID), _x('Telegram', 'share to', 'jetpack'), __('Click to share on Telegram', 'jetpack'), 'share=telegram');
    }

    function display_footer() {
        $this->js_dialog($this->shortname, array('width' => 450, 'height' => 450));
    }

}

class Jetpack_Share_WhatsApp extends Sharing_Source {

    public $shortname = 'jetpack-whatsapp';

    public function __construct($id, array $settings) {
        parent::__construct($id, $settings);
    }

    public function get_name() {
        return __('WhatsApp', 'jetpack');
    }

    public function get_display($post) {
        return $this->get_link('whatsapp://send?text=' . rawurlencode($this->get_share_title($post->ID)) . ' ' . rawurlencode(get_permalink($post->ID)), _x('WhatsApp', 'share to', 'jetpack'), __('Click to share on WhatsApp', 'jetpack'));
    }

}

class Share_Skype extends Sharing_Source {

    public $shortname = 'skype';
    public $genericon = '\f220';
    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 __('Skype', 'jetpack');
    }

    public function get_display($post) {
        if ($this->smart) {
            $skype_share_html = sprintf(
                    '<div class="skype-share" data-href="%1$s" data-lang="%2$s" data-style="small" data-source="jetpack" ></div>', esc_attr($this->get_share_url($post->ID)), 'en-US'
            );
            return $skype_share_html;
        }

        /** This filter is already documented in modules/sharedaddy/sharing-sources.php */
        if (apply_filters('jetpack_register_post_for_share_counts', true, $post->ID, 'skype')) {
            sharing_register_post_for_share_counts($post->ID);
        }
        return $this->get_link(
                        $this->get_process_request_url($post->ID), _x('Skype', 'share to', 'jetpack'), __('Share on Skype', 'jetpack'), 'share=skype', 'sharing-skype-' . $post->ID);
    }

    public function process_request($post, array $post_data) {
        $skype_url = sprintf(
                'https://web.skype.com/share?url=%1$s&lang=%2$s=&source=jetpack', rawurlencode($this->get_share_url($post->ID)), 'en-US'
        );

        // Record stats
        parent::process_request($post, $post_data);

        // Redirect to Skype
        wp_redirect($skype_url);
        die();
    }

    public function display_footer() {
        if ($this->smart) :
            ?>
            <script>
                (function (r, d, s) {
                    r.loadSkypeWebSdkAsync = r.loadSkypeWebSdkAsync || function (p) {
                        var js, sjs = d.getElementsByTagName(s)[0];
                        if (d.getElementById(p.id)) {
                            return;
                        }
                        js = d.createElement(s);
                        js.id = p.id;
                        js.src = p.scriptToLoad;
                        js.onload = p.callback
                        sjs.parentNode.insertBefore(js, sjs);
                    };
                    var p = {
                        scriptToLoad: 'https://swx.cdn.skype.com/shared/v/latest/skypewebsdk.js',
                        id: 'skype_web_sdk'
                    };
                    r.loadSkypeWebSdkAsync(p);
                })(window, document, 'script');
            </script>
            <?php
        else :
            $this->js_dialog($this->shortname, array('width' => 305, 'height' => 665));
        endif;
    }

}