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   1  <?php
   2  /**
   3   * @package Akismet
   4   */
   5  
   6  // We plan to gradually remove all of the disabled lint rules below.
   7  // phpcs:disable WordPress.Security.EscapeOutput.OutputNotEscaped
   8  
   9  class Akismet_Widget extends WP_Widget {
  10  
  11  	function __construct() {
  12          add_action( 'wp_enqueue_scripts', array( $this, 'akismet_widget_enqueue_styles' ) );
  13  
  14          parent::__construct(
  15              'akismet_widget',
  16              __( 'Akismet Widget', 'akismet' ),
  17              array( 'description' => __( 'Display the number of spam comments Akismet has caught', 'akismet' ) )
  18          );
  19      }
  20  
  21  	public function akismet_widget_enqueue_styles() {
  22          // Register the stylesheet handle
  23          wp_register_style( 'akismet-widget-style', false ); // No external file, just a handle
  24  
  25          // Enqueue the registered stylesheet
  26          wp_enqueue_style( 'akismet-widget-style' );
  27  
  28          // Add inline styles
  29          $inline_css = "
  30              .a-stats {
  31                  --akismet-color-mid-green: #357b49;
  32                  --akismet-color-white: #fff;
  33                  --akismet-color-light-grey: #f6f7f7;
  34  
  35                  max-width: 350px;
  36                  width: auto;
  37              }
  38  
  39              .a-stats * {
  40                  all: unset;
  41                  box-sizing: border-box;
  42              }
  43  
  44              .a-stats strong {
  45                  font-weight: 600;
  46              }
  47  
  48              .a-stats a.a-stats__link,
  49              .a-stats a.a-stats__link:visited,
  50              .a-stats a.a-stats__link:active {
  51                  background: var(--akismet-color-mid-green);
  52                  border: none;
  53                  box-shadow: none;
  54                  border-radius: 8px;
  55                  color: var(--akismet-color-white);
  56                  cursor: pointer;
  57                  display: block;
  58                  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen-Sans', 'Ubuntu', 'Cantarell', 'Helvetica Neue', sans-serif;
  59                  font-weight: 500;
  60                  padding: 12px;
  61                  text-align: center;
  62                  text-decoration: none;
  63                  transition: all 0.2s ease;
  64              }
  65  
  66              /* Extra specificity to deal with TwentyTwentyOne focus style */
  67              .widget .a-stats a.a-stats__link:focus {
  68                  background: var(--akismet-color-mid-green);
  69                  color: var(--akismet-color-white);
  70                  text-decoration: none;
  71              }
  72  
  73              .a-stats a.a-stats__link:hover {
  74                  filter: brightness(110%);
  75                  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06), 0 0 2px rgba(0, 0, 0, 0.16);
  76              }
  77  
  78              .a-stats .count {
  79                  color: var(--akismet-color-white);
  80                  display: block;
  81                  font-size: 1.5em;
  82                  line-height: 1.4;
  83                  padding: 0 13px;
  84                  white-space: nowrap;
  85              }
  86          ";
  87          wp_add_inline_style( 'akismet-widget-style', $inline_css );
  88      }
  89  
  90  	function form( $instance ) {
  91          if ( $instance && isset( $instance['title'] ) ) {
  92              $title = $instance['title'];
  93          } else {
  94              $title = __( 'Spam Blocked', 'akismet' );
  95          }
  96          ?>
  97  
  98          <p>
  99          <label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php esc_html_e( 'Title:', 'akismet' ); ?></label>
 100          <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 ); ?>" />
 101          </p>
 102  
 103          <?php
 104      }
 105  
 106  	function update( $new_instance, $old_instance ) {
 107          $instance          = array();
 108          $instance['title'] = strip_tags( $new_instance['title'] );
 109          return $instance;
 110      }
 111  
 112  	function widget( $args, $instance ) {
 113          $count = get_option( 'akismet_spam_count' );
 114  
 115          if ( ! isset( $instance['title'] ) ) {
 116              $instance['title'] = __( 'Spam Blocked', 'akismet' );
 117          }
 118  
 119          echo $args['before_widget'];
 120          if ( ! empty( $instance['title'] ) ) {
 121              echo $args['before_title'];
 122              echo esc_html( $instance['title'] );
 123              echo $args['after_title'];
 124          }
 125          ?>
 126  
 127          <div class="a-stats">
 128              <?php // Specifying colors inline for maximum specificity without using !important ?>
 129              <a href="https://akismet.com" class="a-stats__link" target="_blank" rel="noopener" style="background-color: var(--akismet-color-mid-green); color: var(--akismet-color-white);">
 130                  <?php
 131  
 132                  echo wp_kses(
 133                      sprintf(
 134                      /* translators: The placeholder is the number of pieces of spam blocked by Akismet. */
 135                          _n(
 136                              '<strong class="count">%1$s spam</strong> blocked by <strong>Akismet</strong>',
 137                              '<strong class="count">%1$s spam</strong> blocked by <strong>Akismet</strong>',
 138                              $count,
 139                              'akismet'
 140                          ),
 141                          number_format_i18n( $count )
 142                      ),
 143                      array(
 144                          'strong' => array(
 145                              'class' => true,
 146                          ),
 147                      )
 148                  );
 149  
 150                  ?>
 151              </a>
 152          </div>
 153  
 154          <?php
 155          echo $args['after_widget'];
 156      }
 157  }
 158  
 159  function akismet_register_widgets() {
 160      register_widget( 'Akismet_Widget' );
 161  }
 162  
 163  add_action( 'widgets_init', 'akismet_register_widgets' );