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| 1 | <?php |
| 2 | /** |
| 3 | * Global Styles file. |
| 4 | * |
| 5 | * @package automattic/jetpack-mu-wpcom |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Jetpack_Mu_Wpcom\Global_Styles; |
| 9 | |
| 10 | use Automattic\Jetpack\Jetpack_Mu_Wpcom; |
| 11 | |
| 12 | /** |
| 13 | * Class Global_Styles |
| 14 | */ |
| 15 | class Global_Styles { |
| 16 | |
| 17 | /** |
| 18 | * Class instance. |
| 19 | * |
| 20 | * @var \Automattic\Jetpack\Jetpack_Mu_Wpcom\Global_Styles\Global_Styles |
| 21 | */ |
| 22 | private static $instance = null; |
| 23 | |
| 24 | /** |
| 25 | * Holds the internal data description to be exposed through REST API. |
| 26 | * |
| 27 | * @var \Automattic\Jetpack\Jetpack_Mu_Wpcom\Global_Styles\Data_Set |
| 28 | */ |
| 29 | private $rest_api_data; |
| 30 | |
| 31 | /** |
| 32 | * Namespace to use for the REST Endpoint. |
| 33 | * This can be overrided at initialization. |
| 34 | * |
| 35 | * @var string |
| 36 | */ |
| 37 | private $rest_namespace = 'jetpack-global-styles/v1'; |
| 38 | |
| 39 | /** |
| 40 | * Route to use for the REST Route. |
| 41 | * This can be overrided at initialization. |
| 42 | * |
| 43 | * @var string |
| 44 | */ |
| 45 | private $rest_route = 'options'; |
| 46 | |
| 47 | /** |
| 48 | * Path the client will use to work with the options. |
| 49 | * This can be overrided at initialization. |
| 50 | * |
| 51 | * @var string |
| 52 | */ |
| 53 | private $rest_path_client = 'jetpack-global-styles/v1/options'; |
| 54 | |
| 55 | /** |
| 56 | * Undocumented variable |
| 57 | * |
| 58 | * @var string |
| 59 | */ |
| 60 | private $theme_support = 'jetpack-global-styles'; |
| 61 | |
| 62 | /** |
| 63 | * Undocumented variable |
| 64 | * |
| 65 | * @var string |
| 66 | */ |
| 67 | private $option_name = 'jetpack_global_styles'; |
| 68 | |
| 69 | /** |
| 70 | * Undocumented variable |
| 71 | * |
| 72 | * @var string |
| 73 | */ |
| 74 | private $redux_store_name = 'jetpack/global-styles'; |
| 75 | |
| 76 | /** |
| 77 | * Undocumented variable |
| 78 | * |
| 79 | * @var string |
| 80 | */ |
| 81 | private $plugin_name = 'jetpack-global-styles'; |
| 82 | |
| 83 | /** |
| 84 | * The provider's root URL for retrieving font CSS. |
| 85 | * |
| 86 | * @var string |
| 87 | */ |
| 88 | private $root_url = 'https://fonts.googleapis.com/css'; |
| 89 | |
| 90 | const VERSION = '2003121439'; |
| 91 | |
| 92 | const SYSTEM_FONT = '-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif'; |
| 93 | const AVAILABLE_FONTS = array( |
| 94 | array( |
| 95 | 'label' => 'Theme Default', |
| 96 | 'value' => 'unset', |
| 97 | ), |
| 98 | array( |
| 99 | 'label' => 'System Font', |
| 100 | 'value' => self::SYSTEM_FONT, |
| 101 | ), |
| 102 | 'Arvo', |
| 103 | 'Bodoni Moda', |
| 104 | 'Cabin', |
| 105 | 'Chivo', |
| 106 | 'Courier Prime', |
| 107 | 'DM Sans', |
| 108 | 'Domine', |
| 109 | 'EB Garamond', |
| 110 | 'Fira Sans', |
| 111 | 'Inter', |
| 112 | 'Josefin Sans', |
| 113 | 'Libre Baskerville', |
| 114 | 'Libre Franklin', |
| 115 | 'Lora', |
| 116 | 'Merriweather', |
| 117 | 'Montserrat', |
| 118 | 'Nunito', |
| 119 | 'Open Sans', |
| 120 | 'Overpass', |
| 121 | 'Playfair Display', |
| 122 | 'Poppins', |
| 123 | 'Raleway', |
| 124 | 'Roboto', |
| 125 | 'Roboto Slab', |
| 126 | 'Rubik', |
| 127 | 'Source Sans Pro', |
| 128 | 'Source Serif Pro', |
| 129 | 'Space Mono', |
| 130 | 'Work Sans', |
| 131 | ); |
| 132 | |
| 133 | /** |
| 134 | * Creates instance. |
| 135 | * |
| 136 | * @return \Automattic\Jetpack\Jetpack_Mu_Wpcom\Global_Styles\Global_Styles |
| 137 | */ |
| 138 | public static function init() { |
| 139 | if ( self::$instance === null ) { |
| 140 | self::$instance = new self(); |
| 141 | } |
| 142 | |
| 143 | return self::$instance; |
| 144 | } |
| 145 | |
| 146 | /** |
| 147 | * Global Styles setup. |
| 148 | */ |
| 149 | public function __construct() { |
| 150 | $this->update_plugin_settings(); |
| 151 | |
| 152 | // DATA TO EXPOSE THROUGH THE REST API. |
| 153 | require_once __DIR__ . '/includes/class-data-set.php'; |
| 154 | $this->rest_api_data = new Data_Set( |
| 155 | array( |
| 156 | 'blogname' => array( |
| 157 | 'type' => 'option', |
| 158 | 'name' => 'blogname', |
| 159 | 'default' => 'Your site name', |
| 160 | ), |
| 161 | 'font_base' => array( |
| 162 | 'type' => 'option', |
| 163 | 'name' => array( 'jetpack_global_styles', 'font_base' ), |
| 164 | 'default' => 'unset', |
| 165 | 'updatable' => true, |
| 166 | ), |
| 167 | 'font_headings' => array( |
| 168 | 'type' => 'option', |
| 169 | 'name' => array( 'jetpack_global_styles', 'font_headings' ), |
| 170 | 'default' => 'unset', |
| 171 | 'updatable' => true, |
| 172 | ), |
| 173 | 'font_base_default' => array( |
| 174 | 'type' => 'theme', |
| 175 | 'name' => array( 'jetpack-global-styles', 'font_base' ), |
| 176 | 'default' => self::SYSTEM_FONT, |
| 177 | ), |
| 178 | 'font_headings_default' => array( |
| 179 | 'type' => 'theme', |
| 180 | 'name' => array( 'jetpack-global-styles', 'font_headings' ), |
| 181 | 'default' => self::SYSTEM_FONT, |
| 182 | ), |
| 183 | 'font_options' => array( |
| 184 | 'type' => 'literal', |
| 185 | 'default' => self::AVAILABLE_FONTS, |
| 186 | ), |
| 187 | 'font_pairings' => array( |
| 188 | 'type' => 'literal', |
| 189 | 'default' => array( |
| 190 | array( |
| 191 | 'label' => 'Playfair Display / Fira Sans', |
| 192 | 'headings' => 'Playfair Display', |
| 193 | 'base' => 'Fira Sans', |
| 194 | ), |
| 195 | array( |
| 196 | 'label' => 'Cabin / Raleway', |
| 197 | 'headings' => 'Cabin', |
| 198 | 'base' => 'Raleway', |
| 199 | ), |
| 200 | array( |
| 201 | 'label' => 'Chivo / Open Sans', |
| 202 | 'headings' => 'Chivo', |
| 203 | 'base' => 'Open Sans', |
| 204 | ), |
| 205 | array( |
| 206 | 'label' => 'Arvo / Montserrat', |
| 207 | 'headings' => 'Arvo', |
| 208 | 'base' => 'Montserrat', |
| 209 | ), |
| 210 | array( |
| 211 | 'label' => 'Space Mono / Roboto', |
| 212 | 'headings' => 'Space Mono', |
| 213 | 'base' => 'Roboto', |
| 214 | ), |
| 215 | array( |
| 216 | 'label' => 'Bodoni Moda / Overpass', |
| 217 | 'headings' => 'Bodoni Moda', |
| 218 | 'base' => 'Overpass', |
| 219 | ), |
| 220 | array( |
| 221 | 'label' => 'Inter / Source Serif Pro', |
| 222 | 'headings' => 'Inter', |
| 223 | 'base' => 'Source Serif Pro', |
| 224 | ), |
| 225 | ), |
| 226 | ), |
| 227 | ) |
| 228 | ); |
| 229 | |
| 230 | // Setup REST API for the editor. Some environments (WordPress.com) |
| 231 | // may not load the theme functions for REST API calls, |
| 232 | // so we need to initialize it independently of theme support. |
| 233 | add_action( 'rest_api_init', array( $this, 'rest_api_init' ) ); |
| 234 | |
| 235 | add_filter( 'jetpack_global_styles_data_set_get_data', array( $this, 'maybe_filter_font_list' ) ); |
| 236 | add_filter( 'jetpack_global_styles_data_set_save_data', array( $this, 'filter_and_validate_font_options' ) ); |
| 237 | |
| 238 | // Setup editor. |
| 239 | if ( $this->can_use_global_styles() ) { |
| 240 | add_action( |
| 241 | 'enqueue_block_editor_assets', |
| 242 | array( $this, 'enqueue_block_editor_assets' ) |
| 243 | ); |
| 244 | add_filter( |
| 245 | 'block_editor_settings', |
| 246 | array( $this, 'block_editor_settings' ), |
| 247 | PHP_INT_MAX // So it runs last and overrides any style provided by the theme. |
| 248 | ); |
| 249 | add_action( 'customize_register', array( $this, 'register_customizer_option' ) ); |
| 250 | } |
| 251 | |
| 252 | // Setup front-end. |
| 253 | add_action( |
| 254 | 'wp_enqueue_scripts', |
| 255 | array( $this, 'wp_enqueue_scripts' ), |
| 256 | PHP_INT_MAX // So it runs last and overrides any style provided by the theme. |
| 257 | ); |
| 258 | } |
| 259 | |
| 260 | /** |
| 261 | * Register customizer modifications |
| 262 | * Add the 'Font' section to customizer. |
| 263 | * |
| 264 | * @param \WP_Customize_Manager $wp_customize an instance of WP_Customize_Manager. |
| 265 | */ |
| 266 | public function register_customizer_option( $wp_customize ) { |
| 267 | require_once __DIR__ . '/class-global-styles-fonts-message-control.php'; |
| 268 | |
| 269 | add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_tracks_events_fonts_section_control' ) ); |
| 270 | |
| 271 | $wp_customize->add_section( |
| 272 | 'global_styles_fonts_section', |
| 273 | array( |
| 274 | 'title' => __( 'Fonts', 'jetpack-mu-wpcom' ), |
| 275 | ) |
| 276 | ); |
| 277 | |
| 278 | $wp_customize->add_control( |
| 279 | new Global_Styles_Fonts_Message_Control( |
| 280 | $wp_customize, |
| 281 | 'global_styles_fonts_message_control', |
| 282 | array( |
| 283 | 'section' => 'global_styles_fonts_section', |
| 284 | 'settings' => array(), |
| 285 | ) |
| 286 | ) |
| 287 | ); |
| 288 | } |
| 289 | |
| 290 | /** |
| 291 | * Enqueue script customizer_fonts which executes tracks events when clicking the block editor and support links from the 'Fonts' section. |
| 292 | */ |
| 293 | public function enqueue_tracks_events_fonts_section_control() { |
| 294 | $asset_file = include Jetpack_Mu_Wpcom::BASE_DIR . 'build/jetpack-global-styles-customizer-fonts/jetpack-global-styles-customizer-fonts.asset.php'; |
| 295 | wp_enqueue_script( |
| 296 | 'jetpack-global-styles-customizer-fonts', |
| 297 | plugins_url( 'build/jetpack-global-styles-customizer-fonts/jetpack-global-styles-customizer-fonts.js', Jetpack_Mu_Wpcom::BASE_FILE ), |
| 298 | $asset_file['dependencies'] ?? array(), |
| 299 | $asset_file['version'] ?? filemtime( Jetpack_Mu_Wpcom::BASE_DIR . 'build/jetpack-global-styles-customizer-fonts/jetpack-global-styles-customizer-fonts.js' ), |
| 300 | true |
| 301 | ); |
| 302 | |
| 303 | $current_user = wp_get_current_user(); |
| 304 | $tracks_events_data = array(); |
| 305 | if ( $current_user->exists() ) { |
| 306 | $tracks_events_data['user_id'] = (int) $current_user->ID; |
| 307 | $tracks_events_data['user_login'] = $current_user->user_login; |
| 308 | } |
| 309 | |
| 310 | wp_localize_script( |
| 311 | 'jetpack-global-styles-customizer-fonts', |
| 312 | 'tracks_events_fonts_section_control_variables', |
| 313 | $tracks_events_data |
| 314 | ); |
| 315 | } |
| 316 | |
| 317 | /** |
| 318 | * Let 3rd parties configure plugin settings. |
| 319 | */ |
| 320 | private function update_plugin_settings() { |
| 321 | $settings = apply_filters( |
| 322 | 'jetpack_global_styles_settings', |
| 323 | array( |
| 324 | // Server-side settings. |
| 325 | 'rest_namespace' => $this->rest_namespace, |
| 326 | 'rest_route' => $this->rest_route, |
| 327 | 'theme_support' => $this->theme_support, |
| 328 | 'option_name' => $this->option_name, |
| 329 | // Client-side settings. |
| 330 | 'rest_path_client' => $this->rest_path_client, |
| 331 | 'redux_store_name' => $this->redux_store_name, |
| 332 | 'plugin_name' => $this->plugin_name, |
| 333 | ) |
| 334 | ); |
| 335 | |
| 336 | $this->rest_namespace = $settings['rest_namespace']; |
| 337 | $this->rest_route = $settings['rest_route']; |
| 338 | $this->theme_support = $settings['theme_support']; |
| 339 | $this->option_name = $settings['option_name']; |
| 340 | $this->rest_path_client = $settings['rest_path_client']; |
| 341 | $this->redux_store_name = $settings['redux_store_name']; |
| 342 | $this->plugin_name = $settings['plugin_name']; |
| 343 | } |
| 344 | |
| 345 | /** |
| 346 | * Initialize REST API endpoint. |
| 347 | */ |
| 348 | public function rest_api_init() { |
| 349 | require_once __DIR__ . '/includes/class-json-endpoint.php'; |
| 350 | $rest_api = new JSON_Endpoint( |
| 351 | $this->rest_namespace, |
| 352 | $this->rest_route, |
| 353 | $this->rest_api_data, |
| 354 | array( $this, 'can_use_global_styles' ) |
| 355 | ); |
| 356 | $rest_api->setup(); |
| 357 | } |
| 358 | |
| 359 | /** |
| 360 | * Whether we should load Global Styles |
| 361 | * per this user and site. |
| 362 | * |
| 363 | * @return boolean |
| 364 | */ |
| 365 | public function can_use_global_styles() { |
| 366 | return is_user_logged_in() && |
| 367 | current_user_can( 'customize' ) && |
| 368 | current_theme_supports( $this->theme_support ) && |
| 369 | apply_filters( 'jetpack_global_styles_permission_check_additional', true ); |
| 370 | } |
| 371 | |
| 372 | /** |
| 373 | * We want the front-end styles enqueued in the editor |
| 374 | * and wrapped by the .editor-styles-wrapper class, |
| 375 | * so they don't bleed into other parts of the editor. |
| 376 | * |
| 377 | * We also want the global styles to override the theme's stylesheet. |
| 378 | * We do so by hooking into the block_editor_settings |
| 379 | * and append this style the last. |
| 380 | * |
| 381 | * @param array $settings The editor settings. |
| 382 | * |
| 383 | * @return array $settings array with the inline styles added. |
| 384 | */ |
| 385 | public function block_editor_settings( $settings ) { |
| 386 | if ( empty( $settings['styles'] ) || ! is_array( $settings['styles'] ) ) { |
| 387 | $settings['styles'] = array(); |
| 388 | } |
| 389 | |
| 390 | // Append them last, so it overrides any existing inline styles. |
| 391 | $settings['styles'][] = array( |
| 392 | 'css' => $this->get_inline_css(), |
| 393 | ); |
| 394 | |
| 395 | return $settings; |
| 396 | } |
| 397 | |
| 398 | /** |
| 399 | * Enqueues the assets for the editor. |
| 400 | * |
| 401 | * @return void |
| 402 | */ |
| 403 | public function enqueue_block_editor_assets() { |
| 404 | $asset_file = include Jetpack_Mu_Wpcom::BASE_DIR . 'build/jetpack-global-styles/jetpack-global-styles.asset.php'; |
| 405 | wp_enqueue_script( |
| 406 | 'jetpack-global-styles-editor-script', |
| 407 | plugins_url( 'build/jetpack-global-styles/jetpack-global-styles.js', Jetpack_Mu_Wpcom::BASE_FILE ), |
| 408 | $asset_file['dependencies'] ?? array(), |
| 409 | $asset_file['version'] ?? filemtime( Jetpack_Mu_Wpcom::BASE_DIR . 'build/jetpack-global-styles/jetpack-global-styles.js' ), |
| 410 | true |
| 411 | ); |
| 412 | wp_set_script_translations( 'jetpack-global-styles-editor-script', 'jetpack-mu-wpcom' ); |
| 413 | wp_localize_script( |
| 414 | 'jetpack-global-styles-editor-script', |
| 415 | 'JETPACK_GLOBAL_STYLES_EDITOR_CONSTANTS', |
| 416 | array( |
| 417 | 'PLUGIN_NAME' => $this->plugin_name, |
| 418 | 'REST_PATH' => $this->rest_path_client, |
| 419 | 'STORE_NAME' => $this->redux_store_name, |
| 420 | ) |
| 421 | ); |
| 422 | wp_enqueue_style( |
| 423 | 'jetpack-global-styles-editor-style', |
| 424 | plugins_url( 'build/jetpack-global-styles/jetpack-global-styles.css', Jetpack_Mu_Wpcom::BASE_FILE ), |
| 425 | array(), |
| 426 | $asset_file['version'] ?? filemtime( Jetpack_Mu_Wpcom::BASE_DIR . 'build/jetpack-global-styles/jetpack-global-styles.css' ) |
| 427 | ); |
| 428 | } |
| 429 | |
| 430 | /** |
| 431 | * Enqueues the assets for front-end. |
| 432 | * |
| 433 | * We want the global styles to override the theme's stylesheet, |
| 434 | * that's why they are inlined. |
| 435 | * |
| 436 | * @return void |
| 437 | */ |
| 438 | public function wp_enqueue_scripts() { |
| 439 | wp_register_style( |
| 440 | 'jetpack-global-styles-frontend-style', |
| 441 | false, |
| 442 | array(), |
| 443 | true |
| 444 | ); |
| 445 | wp_add_inline_style( 'jetpack-global-styles-frontend-style', $this->get_inline_css( true ) ); |
| 446 | wp_enqueue_style( 'jetpack-global-styles-frontend-style' ); |
| 447 | } |
| 448 | |
| 449 | /** |
| 450 | * Prepare the inline CSS. |
| 451 | * |
| 452 | * @param boolean $only_selected_fonts Whether it should load all the fonts or only the selected. False by default. |
| 453 | * @return string |
| 454 | */ |
| 455 | private function get_inline_css( $only_selected_fonts = false ) { |
| 456 | /** |
| 457 | * Filters the Google Fonts API URL. |
| 458 | * |
| 459 | * @param string $url The Google Fonts API URL. |
| 460 | */ |
| 461 | $root_url = esc_url( apply_filters( 'jetpack_global_styles_google_fonts_api_url', $this->root_url ) ); |
| 462 | |
| 463 | $result = ''; |
| 464 | |
| 465 | $data = $this->rest_api_data->get_data(); |
| 466 | |
| 467 | /* |
| 468 | * Add the fonts we need: |
| 469 | * |
| 470 | * - all of them for the backend |
| 471 | * - only the selected ones for the frontend |
| 472 | */ |
| 473 | $font_list = array(); |
| 474 | // We want $font_list to only contain valid Google Font values, |
| 475 | // so we filter out things like 'unset' on the system font. |
| 476 | $font_values = array_diff( $this->get_font_values( $data['font_options'] ), array( 'unset', self::SYSTEM_FONT ) ); |
| 477 | if ( true === $only_selected_fonts ) { |
| 478 | foreach ( array( 'font_base', 'font_base_default', 'font_headings', 'font_headings_default' ) as $key ) { |
| 479 | if ( in_array( $data[ $key ], $font_values, true ) ) { |
| 480 | $font_list[] = $data[ $key ]; |
| 481 | } |
| 482 | } |
| 483 | } else { |
| 484 | $font_list = $font_values; |
| 485 | } |
| 486 | |
| 487 | if ( count( $font_list ) > 0 ) { |
| 488 | $font_list_str = ''; |
| 489 | foreach ( $font_list as $font ) { |
| 490 | // Some fonts lack italic variants, |
| 491 | // the API will return only the regular and bold CSS for those. |
| 492 | $font_list_str = $font_list_str . $font . ':thin,extralight,light,regular,medium,semibold,bold,italic,bolditalic,extrabold,black|'; |
| 493 | } |
| 494 | $result = $result . "@import url('" . $root_url . '?family=' . $font_list_str . "');"; |
| 495 | } |
| 496 | |
| 497 | /* |
| 498 | * Add the CSS custom properties. |
| 499 | * |
| 500 | * Note that we transform var_name into var-name, |
| 501 | * so the output is: |
| 502 | * |
| 503 | * :root{ |
| 504 | * --var-name-1: value; |
| 505 | * --var-name-2: value; |
| 506 | * } |
| 507 | * |
| 508 | */ |
| 509 | $result .= ':root {'; |
| 510 | $value = ''; |
| 511 | $keys = array( 'font_headings', 'font_base', 'font_headings_default', 'font_base_default' ); |
| 512 | foreach ( $keys as $key ) { |
| 513 | $value = $data[ $key ]; |
| 514 | $result .= ' --' . str_replace( '_', '-', $key ) . ': ' . $value . ';'; |
| 515 | } |
| 516 | $result .= '}'; |
| 517 | |
| 518 | /* |
| 519 | * If the theme opts-in, also add a default stylesheet |
| 520 | * that uses the CSS custom properties. |
| 521 | * |
| 522 | * This is a fallback mechanism in case there are themes |
| 523 | * we don't want to / can't migrate to use CSS vars. |
| 524 | */ |
| 525 | $theme_defaults = get_theme_support( $this->theme_support ); |
| 526 | if ( is_array( $theme_defaults ) ) { |
| 527 | $theme_defaults = $theme_defaults[0]; |
| 528 | } |
| 529 | |
| 530 | if ( |
| 531 | is_array( $theme_defaults ) && |
| 532 | array_key_exists( 'enqueue_experimental_styles', $theme_defaults ) && |
| 533 | true === $theme_defaults['enqueue_experimental_styles'] |
| 534 | ) { |
| 535 | $result .= file_get_contents( plugin_dir_path( __FILE__ ) . 'static/style.css', true ); |
| 536 | } |
| 537 | |
| 538 | return $result; |
| 539 | } |
| 540 | |
| 541 | /** |
| 542 | * Callback for get data filter. |
| 543 | * |
| 544 | * @param array $result Data to be sent through the REST API. |
| 545 | * |
| 546 | * @return array Filtered result. |
| 547 | */ |
| 548 | public function maybe_filter_font_list( $result ) { |
| 549 | $theme_defaults = get_theme_support( $this->theme_support ); |
| 550 | if ( is_array( $theme_defaults ) ) { |
| 551 | $theme_defaults = $theme_defaults[0]; |
| 552 | } |
| 553 | |
| 554 | if ( |
| 555 | array_key_exists( 'font_options', $result ) && |
| 556 | ( |
| 557 | ! is_array( $theme_defaults ) || |
| 558 | ! array_key_exists( 'enable_theme_default', $theme_defaults ) || |
| 559 | true !== $theme_defaults['enable_theme_default'] |
| 560 | ) |
| 561 | ) { |
| 562 | $result['font_options'] = array_slice( $result['font_options'], 1 ); |
| 563 | } |
| 564 | |
| 565 | return $result; |
| 566 | } |
| 567 | |
| 568 | /** |
| 569 | * Return the list of available font values. |
| 570 | * |
| 571 | * @param array $font_list Array of fonts to process. |
| 572 | * @return array Font values. |
| 573 | */ |
| 574 | private function get_font_values( $font_list ) { |
| 575 | $font_values = array(); |
| 576 | foreach ( $font_list as $font ) { |
| 577 | if ( is_array( $font ) ) { |
| 578 | $font_values[] = $font['value']; |
| 579 | } else { |
| 580 | $font_values[] = $font; |
| 581 | } |
| 582 | } |
| 583 | return $font_values; |
| 584 | } |
| 585 | |
| 586 | /** |
| 587 | * Callback for save data filter. |
| 588 | * |
| 589 | * @param array $incoming_data The data to validate. |
| 590 | * @return array Filtered result. |
| 591 | */ |
| 592 | public function filter_and_validate_font_options( $incoming_data ) { |
| 593 | $result = array(); |
| 594 | |
| 595 | $font_values = $this->get_font_values( self::AVAILABLE_FONTS ); |
| 596 | foreach ( array( 'font_base', 'font_headings' ) as $key ) { |
| 597 | if ( |
| 598 | array_key_exists( $key, $incoming_data ) && |
| 599 | in_array( $incoming_data[ $key ], $font_values, true ) |
| 600 | ) { |
| 601 | $result[ $key ] = $incoming_data[ $key ]; |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | return $result; |
| 606 | } |
| 607 | } |
| 608 | |
| 609 | add_action( 'init', array( __NAMESPACE__ . '\Global_Styles', 'init' ) ); |