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| 1 | <?php |
| 2 | /** |
| 3 | * Site Logo class main class file. |
| 4 | * |
| 5 | * @package automattic/jetpack |
| 6 | */ |
| 7 | |
| 8 | if ( ! defined( 'ABSPATH' ) ) { |
| 9 | exit( 0 ); |
| 10 | } |
| 11 | |
| 12 | /** |
| 13 | * Site Logo class for managing a theme-agnostic logo through the Customizer. |
| 14 | */ |
| 15 | class Site_Logo { |
| 16 | /** |
| 17 | * Stores our single instance. |
| 18 | * |
| 19 | * @var Site_Logo |
| 20 | */ |
| 21 | private static $instance; |
| 22 | |
| 23 | /** |
| 24 | * Stores the attachment ID of the site logo. |
| 25 | * |
| 26 | * @var int |
| 27 | */ |
| 28 | public $logo; |
| 29 | |
| 30 | /** |
| 31 | * Return our instance, creating a new one if necessary. |
| 32 | * |
| 33 | * @uses Site_Logo::$instance |
| 34 | * @return object Site_Logo |
| 35 | */ |
| 36 | public static function instance() { |
| 37 | if ( ! isset( self::$instance ) ) { |
| 38 | self::$instance = new Site_Logo(); |
| 39 | self::$instance->register_hooks(); |
| 40 | } |
| 41 | |
| 42 | return self::$instance; |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * Get our current logo settings stored in options. |
| 47 | * |
| 48 | * @uses get_option() |
| 49 | */ |
| 50 | private function __construct() { |
| 51 | $this->logo = (int) get_option( 'site_logo', null ); |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * Register our actions and filters. |
| 56 | * |
| 57 | * @uses Site_Logo::head_text_styles() |
| 58 | * @uses Site_Logo::customize_register() |
| 59 | * @uses Site_Logo::preview_enqueue() |
| 60 | * @uses Site_Logo::body_classes() |
| 61 | * @uses Site_Logo::media_manager_image_sizes() |
| 62 | * @uses add_action |
| 63 | * @uses add_filter |
| 64 | */ |
| 65 | public function register_hooks() { |
| 66 | // This would only happen if a theme supports BOTH site-logo and custom-logo for some reason |
| 67 | if ( current_theme_supports( 'custom-logo' ) ) { |
| 68 | return; |
| 69 | } |
| 70 | |
| 71 | add_action( 'wp_head', array( $this, 'head_text_styles' ) ); |
| 72 | add_action( 'customize_register', array( $this, 'customize_register' ) ); |
| 73 | add_action( 'customize_preview_init', array( $this, 'preview_enqueue' ) ); |
| 74 | add_action( 'delete_attachment', array( $this, 'reset_on_attachment_delete' ) ); |
| 75 | add_filter( 'body_class', array( $this, 'body_classes' ) ); |
| 76 | add_filter( 'image_size_names_choose', array( $this, 'media_manager_image_sizes' ) ); |
| 77 | add_filter( 'display_media_states', array( $this, 'add_media_state' ) ); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Add our logo uploader to the Customizer. |
| 82 | * |
| 83 | * @param object $wp_customize Customizer object. |
| 84 | * @uses current_theme_supports() |
| 85 | * @uses current_theme_supports() |
| 86 | * @uses WP_Customize_Manager::add_setting() |
| 87 | * @uses WP_Customize_Manager::add_control() |
| 88 | * @uses Site_Logo::sanitize_checkbox() |
| 89 | */ |
| 90 | public function customize_register( $wp_customize ) { |
| 91 | // Add a setting to hide header text if the theme isn't supporting the feature itself |
| 92 | if ( ! current_theme_supports( 'custom-header' ) ) { |
| 93 | $wp_customize->add_setting( |
| 94 | 'site_logo_header_text', |
| 95 | array( |
| 96 | 'default' => 1, |
| 97 | 'sanitize_callback' => array( $this, 'sanitize_checkbox' ), |
| 98 | 'transport' => 'postMessage', |
| 99 | ) |
| 100 | ); |
| 101 | |
| 102 | $wp_customize->add_control( |
| 103 | new WP_Customize_Control( |
| 104 | $wp_customize, |
| 105 | 'site_logo_header_text', |
| 106 | array( |
| 107 | 'label' => __( 'Display Header Text', 'jetpack' ), |
| 108 | 'section' => 'title_tagline', |
| 109 | 'settings' => 'site_logo_header_text', |
| 110 | 'type' => 'checkbox', |
| 111 | ) |
| 112 | ) |
| 113 | ); |
| 114 | } |
| 115 | |
| 116 | // Add the setting for our logo value. |
| 117 | $wp_customize->add_setting( |
| 118 | 'site_logo', |
| 119 | array( |
| 120 | 'capability' => 'manage_options', |
| 121 | 'default' => 0, |
| 122 | 'sanitize_callback' => array( $this, 'sanitize_logo_setting' ), |
| 123 | 'transport' => 'postMessage', |
| 124 | 'type' => 'option', |
| 125 | ) |
| 126 | ); |
| 127 | |
| 128 | // By default, not setting width and height will suggest a square crop. |
| 129 | $width = null; |
| 130 | $height = null; |
| 131 | $logo_size = jetpack_get_site_logo_dimensions(); |
| 132 | |
| 133 | // Only suggested a different crop if the theme declares both dimensions. |
| 134 | if ( false !== $logo_size && $logo_size['width'] && $logo_size['height'] ) { |
| 135 | $width = $logo_size['width']; |
| 136 | $height = $logo_size['height']; |
| 137 | } |
| 138 | |
| 139 | // Add our image uploader. |
| 140 | $wp_customize->add_control( |
| 141 | new WP_Customize_Cropped_Image_Control( |
| 142 | $wp_customize, |
| 143 | 'site_logo', |
| 144 | array( |
| 145 | 'label' => __( 'Logo', 'jetpack' ), |
| 146 | 'section' => 'title_tagline', |
| 147 | 'settings' => 'site_logo', |
| 148 | 'width' => $width, |
| 149 | 'height' => $height, |
| 150 | 'flex_width' => true, |
| 151 | 'flex_height' => true, |
| 152 | 'button_labels' => array( |
| 153 | 'select' => __( 'Add logo', 'jetpack' ), |
| 154 | 'change' => __( 'Change logo', 'jetpack' ), |
| 155 | 'remove' => __( 'Remove logo', 'jetpack' ), |
| 156 | 'placeholder' => __( 'No logo set', 'jetpack' ), |
| 157 | 'frame_title' => __( 'Set as logo', 'jetpack' ), |
| 158 | 'frame_button' => __( 'Choose logo', 'jetpack' ), |
| 159 | ), |
| 160 | ) |
| 161 | ) |
| 162 | ); |
| 163 | |
| 164 | $wp_customize->selective_refresh->add_partial( |
| 165 | 'site_logo', |
| 166 | array( |
| 167 | 'settings' => 'site_logo', |
| 168 | 'selector' => '.site-logo-link', |
| 169 | 'render_callback' => array( $this, 'customizer_preview' ), |
| 170 | 'container_inclusive' => true, |
| 171 | ) |
| 172 | ); |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * Enqueue scripts for the Customizer live preview. |
| 177 | * |
| 178 | * @uses wp_enqueue_script() |
| 179 | * @uses plugins_url() |
| 180 | * @uses current_theme_supports() |
| 181 | * @uses Site_Logo::header_text_classes() |
| 182 | * @uses wp_localize_script() |
| 183 | */ |
| 184 | public function preview_enqueue() { |
| 185 | // Don't bother passing in header text classes if the theme supports custom headers. |
| 186 | if ( ! current_theme_supports( 'custom-header' ) ) { |
| 187 | $classes = jetpack_sanitize_header_text_classes( $this->header_text_classes() ); |
| 188 | wp_enqueue_script( |
| 189 | 'site-logo-header-text', |
| 190 | plugins_url( '../js/site-logo-header-text.js', __FILE__ ), |
| 191 | array( 'jquery', 'media-views' ), |
| 192 | JETPACK__VERSION, |
| 193 | true |
| 194 | ); |
| 195 | wp_localize_script( 'site-logo-header-text', 'site_logo_header_classes', array( 'classes' => $classes ) ); |
| 196 | } |
| 197 | } |
| 198 | |
| 199 | /** |
| 200 | * Get header text classes. If not defined in add_theme_support(), defaults from Underscores will be used. |
| 201 | * |
| 202 | * @uses get_theme_support |
| 203 | * @return string String of classes to hide |
| 204 | */ |
| 205 | public function header_text_classes() { |
| 206 | $args = get_theme_support( 'site-logo' ); |
| 207 | |
| 208 | if ( isset( $args[0]['header-text'] ) ) { |
| 209 | // Use any classes defined in add_theme_support(). |
| 210 | $classes = $args[0]['header-text']; |
| 211 | } else { |
| 212 | // Otherwise, use these defaults, which will work with any Underscores-based theme. |
| 213 | $classes = array( |
| 214 | 'site-title', |
| 215 | 'site-description', |
| 216 | ); |
| 217 | } |
| 218 | |
| 219 | // If we've got an array, reduce them to a string for output |
| 220 | if ( is_array( $classes ) ) { |
| 221 | $classes = '.' . implode( ', .', $classes ); |
| 222 | } else { |
| 223 | $classes = '.' . $classes; |
| 224 | } |
| 225 | |
| 226 | return $classes; |
| 227 | } |
| 228 | |
| 229 | /** |
| 230 | * Hide header text on front-end if necessary. |
| 231 | * |
| 232 | * @uses current_theme_supports() |
| 233 | * @uses get_theme_mod() |
| 234 | * @uses Site_Logo::header_text_classes() |
| 235 | * @uses esc_html() |
| 236 | */ |
| 237 | public function head_text_styles() { |
| 238 | // Bail if our theme supports custom headers. |
| 239 | if ( current_theme_supports( 'custom-header' ) ) { |
| 240 | return; |
| 241 | } |
| 242 | |
| 243 | // Is Display Header Text unchecked? If so, we need to hide our header text. |
| 244 | if ( ! get_theme_mod( 'site_logo_header_text', 1 ) ) { |
| 245 | $classes = $this->header_text_classes(); |
| 246 | ?> |
| 247 | <!-- Site Logo: hide header text --> |
| 248 | <style type="text/css"> |
| 249 | <?php echo jetpack_sanitize_header_text_classes( $classes ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?> { |
| 250 | position: absolute; |
| 251 | clip: rect(1px, 1px, 1px, 1px); |
| 252 | } |
| 253 | </style> |
| 254 | <?php |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | /** |
| 259 | * Determine image size to use for the logo. |
| 260 | * |
| 261 | * @uses get_theme_support() |
| 262 | * @return string Size specified in add_theme_support declaration, or 'thumbnail' default |
| 263 | */ |
| 264 | public function theme_size() { |
| 265 | $args = get_theme_support( 'site-logo' ); |
| 266 | $valid_sizes = get_intermediate_image_sizes(); |
| 267 | |
| 268 | // Add 'full' to the list of accepted values. |
| 269 | $valid_sizes[] = 'full'; |
| 270 | |
| 271 | // If the size declared in add_theme_support is valid, use it; otherwise, just go with 'thumbnail'. |
| 272 | $size = ( isset( $args[0]['size'] ) && in_array( $args[0]['size'], $valid_sizes, true ) ) ? $args[0]['size'] : 'thumbnail'; |
| 273 | |
| 274 | return $size; |
| 275 | } |
| 276 | |
| 277 | /** |
| 278 | * Make custom image sizes available to the media manager. |
| 279 | * |
| 280 | * @param array $sizes List of image sizes. |
| 281 | * @uses get_intermediate_image_sizes() |
| 282 | * @return array All default and registered custom image sizes. |
| 283 | */ |
| 284 | public function media_manager_image_sizes( $sizes ) { |
| 285 | // Get an array of all registered image sizes. |
| 286 | $intermediate = get_intermediate_image_sizes(); |
| 287 | |
| 288 | // Have we got anything fun to work with? |
| 289 | if ( is_array( $intermediate ) && ! empty( $intermediate ) ) { |
| 290 | foreach ( $intermediate as $size ) { |
| 291 | // If the size isn't already in the $sizes array, add it. |
| 292 | if ( ! array_key_exists( $size, $sizes ) ) { |
| 293 | $sizes[ $size ] = $size; |
| 294 | } |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | return $sizes; |
| 299 | } |
| 300 | |
| 301 | /** |
| 302 | * Add site logos to media states in the Media Manager. |
| 303 | * |
| 304 | * @param array $media_states An array of media states. |
| 305 | * |
| 306 | * @return array The current attachment's media states. |
| 307 | */ |
| 308 | public function add_media_state( $media_states ) { |
| 309 | // Only bother testing if we have a site logo set. |
| 310 | if ( $this->has_site_logo() ) { |
| 311 | global $post; |
| 312 | |
| 313 | // If our attachment ID and the site logo ID match, this image is the site logo. |
| 314 | if ( $post && $post->ID === $this->logo ) { |
| 315 | $media_states[] = __( 'Site Logo', 'jetpack' ); |
| 316 | } |
| 317 | } |
| 318 | |
| 319 | return $media_states; |
| 320 | } |
| 321 | |
| 322 | /** |
| 323 | * Reset the site logo if the current logo is deleted in the media manager. |
| 324 | * |
| 325 | * @param int $post_id Attachment ID. |
| 326 | * @uses Site_Logo::remove_site_logo() |
| 327 | */ |
| 328 | public function reset_on_attachment_delete( $post_id ) { |
| 329 | if ( $this->logo === $post_id ) { |
| 330 | $this->remove_site_logo(); |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | /** |
| 335 | * Determine if a site logo is assigned or not. |
| 336 | * |
| 337 | * @uses Site_Logo::$logo |
| 338 | * @return boolean True if there is an active logo, false otherwise |
| 339 | */ |
| 340 | public function has_site_logo() { |
| 341 | return (bool) $this->logo; |
| 342 | } |
| 343 | |
| 344 | /** |
| 345 | * Reset the site logo option to zero (empty). |
| 346 | * |
| 347 | * @uses update_option() |
| 348 | */ |
| 349 | public function remove_site_logo() { |
| 350 | update_option( 'site_logo', null ); |
| 351 | } |
| 352 | |
| 353 | /** |
| 354 | * Adds custom classes to the array of body classes. |
| 355 | * |
| 356 | * @uses Site_Logo::has_site_logo() |
| 357 | * @param array $classes Classes for the body element. |
| 358 | * @return array Array of <body> classes |
| 359 | */ |
| 360 | public function body_classes( $classes ) { |
| 361 | // Add a class if a Site Logo is active |
| 362 | if ( $this->has_site_logo() ) { |
| 363 | $classes[] = 'has-site-logo'; |
| 364 | } |
| 365 | |
| 366 | return $classes; |
| 367 | } |
| 368 | |
| 369 | /** |
| 370 | * Sanitize our header text Customizer setting. |
| 371 | * |
| 372 | * @param mixed $input The input value to sanitize. |
| 373 | * @return bool|string 1 if checked, empty string if not checked. |
| 374 | */ |
| 375 | public function sanitize_checkbox( $input ) { |
| 376 | return ( 1 === (int) $input ) ? 1 : ''; |
| 377 | } |
| 378 | |
| 379 | /** |
| 380 | * Validate and sanitize a new site logo setting. |
| 381 | * |
| 382 | * @param mixed $input Logo setting value to sanitize. |
| 383 | * @return int Attachment post ID, or 0 if invalid. |
| 384 | */ |
| 385 | public function sanitize_logo_setting( $input ) { |
| 386 | $input = absint( $input ); |
| 387 | |
| 388 | // If the new setting doesn't point to a valid attachment, just reset the whole thing. |
| 389 | if ( false === wp_get_attachment_image_src( $input ) ) { |
| 390 | $input = 0; |
| 391 | } |
| 392 | |
| 393 | return $input; |
| 394 | } |
| 395 | |
| 396 | /** |
| 397 | * This function returns the updated HTML in the Customizer preview when the logo is added, updated, or removed. |
| 398 | * |
| 399 | * @return string |
| 400 | */ |
| 401 | public function customizer_preview() { |
| 402 | ob_start(); |
| 403 | jetpack_the_site_logo(); |
| 404 | return ob_get_clean(); |
| 405 | } |
| 406 | } |
| 407 | |
| 408 | // phpcs:disable Universal.Files.SeparateFunctionsFromOO.Mixed -- TODO: Move these functions to some other file. |
| 409 | |
| 410 | /** |
| 411 | * Allow themes and plugins to access Site_Logo methods and properties. |
| 412 | * |
| 413 | * @uses Site_Logo::instance() |
| 414 | * @return object Site_Logo |
| 415 | */ |
| 416 | function site_logo() { |
| 417 | return Site_Logo::instance(); |
| 418 | } |
| 419 | |
| 420 | /** |
| 421 | * One site logo, please. |
| 422 | */ |
| 423 | site_logo(); |