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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
Cokiee Shell
| Current Path : /var/www/web28/html/wp-content/themes/Avada/includes/ |
| Current File : //var/www/web28/html/wp-content/themes/Avada/includes/class-fusion-gfonts-downloader.php |
<?php
/**
* Downloads Google-Fonts locally and generates the @font-face CSS for them.
* The main reasons for this is the GDPR & performance.
*
* @package Avada
* @since 5.5.2
*/
// Do not allow directly accessing this file.
if ( ! defined( 'ABSPATH' ) ) {
exit( 'Direct script access denied.' );
}
/**
* Downloads Google-Fonts locally and generates the @font-face CSS for them.
*
* @since 5.5.2
*/
class Fusion_GFonts_Downloader {
/**
* The font-family.
*
* @access private
* @since 5.5.2
* @var string
*/
private $family;
/**
* The styles from the normal Google-Fonts request.
*
* @access private
* @since 5.5.2
* @var string
*/
private $styles = '';
/**
* The path where files for this font are stored.
*
* @access private
* @since 5.5.2
* @var string
*/
private $folder_path;
/**
* The URL where files for this font are stored.
*
* @access private
* @since 5.5.2
* @var string
*/
private $folder_url;
/**
* The font-family arguments from the google-fonts API.
*
* @access private
* @since 5.5.2
* @var array|null
*/
private $font;
/**
* Constructor.
*
* @access public
* @since 5.5.2
* @param string $family The font-family we're dealing with.
* @param string $styles The styles from the google-fonts normal request.
*/
public function __construct( $family = '', $styles = '' ) {
$this->family = $family;
$this->styles = $styles;
$this->folder_path = Fusion_Downloader::get_root_path( 'fusion-gfonts' ) . '/' . sanitize_key( $this->family );
$this->folder_url = Fusion_Downloader::get_root_url( 'fusion-gfonts' ) . '/' . sanitize_key( $this->family );
$this->font = $this->get_font_family();
}
/**
* Gets the @font-face CSS.
*
* @access public
* @since 5.5.2
* @param array $variants The variants we want to get.
* @return string
*/
public function get_fontface_css( $variants = [] ) {
if ( ! empty( $this->styles ) ) {
$css = $this->styles;
$folder_name = 'fusion-gfonts';
preg_match_all( '/https\:.*?\.woff2/', $css, $matches );
$matches = array_shift( $matches );
foreach ( $matches as $match ) {
if ( 0 === strpos( $match, 'https://fonts.gstatic.com' ) ) {
$file = new Fusion_Downloader( $match, $folder_name );
$file->download_file();
$new_url = $file->get_new_url();
if ( $new_url ) {
$css = str_replace( $match, $new_url, $css );
}
}
}
return $css;
}
if ( ! $this->font ) {
return;
}
$font_face = '';
// If $variants is empty then use all variants available.
if ( empty( $variants ) ) {
$variants = $this->font['variants'];
}
// Download files.
$this->download_font_family( $variants );
// Create the @font-face CSS.
foreach ( $variants as $variant ) {
$font_face .= $this->get_variant_fontface_css( $variant );
}
return $font_face;
}
/**
* Get the @font-face CSS for a specific variant in this font-family.
*
* @access public
* @since 5.5.2
* @param string $variant The variant.
* @return string
*/
public function get_variant_fontface_css( $variant ) {
$font_face = "@font-face{font-family:'{$this->family}';";
// Get the font-style.
$font_style = ( false !== strpos( $variant, 'italic' ) ) ? 'italic' : 'normal';
$font_face .= "font-style:{$font_style};";
// Set font display.
$font_face_display = Avada()->settings->get( 'font_face_display' );
$font_face_display = ( 'block' === $font_face_display ) ? 'block' : 'swap';
$font_face .= 'font-display: ' . $font_face_display . ';';
// Get the font-weight.
$font_weight = '400';
$font_weight = str_replace( 'italic', '', $variant );
$font_weight = ( ! $font_weight || 'regular' === $font_weight ) ? '400' : $font_weight;
$font_face .= "font-weight:{$font_weight};";
// Get the font-names.
$font_name_0 = $this->get_local_font_name( $variant, false );
$font_name_1 = $this->get_local_font_name( $variant, true );
$font_face .= "src:local('{$font_name_0}'),";
if ( $font_name_0 !== $font_name_1 ) {
$font_face .= "local('{$font_name_1}'),";
}
// Get the font-url.
$font_url = $this->get_variant_local_url( $variant );
// Get the font-format.
$font_format = ( strpos( $font_url, '.woff2' ) ) ? 'woff2' : 'truetype';
$font_format = ( strpos( $font_url, '.woff' ) && ! strpos( $font_url, '.woff2' ) ) ? 'woff' : $font_format;
$font_face .= "url({$font_url}) format('{$font_format}');}";
return $font_face;
}
/**
* Gets the local URL for a variant.
*
* @access public
* @since 5.5.2
* @param string $variant The variant.
* @return string The URL.
*/
public function get_variant_local_url( $variant ) {
$local_urls = $this->get_font_files_urls_local();
if ( empty( $local_urls ) ) {
return;
}
// Return the specific variant if we can find it.
if ( isset( $local_urls[ $variant ] ) ) {
return $local_urls[ $variant ];
}
// Return regular if the one we want could not be found.
if ( isset( $local_urls['regular'] ) ) {
return $local_urls['regular'];
}
// Return the first available if all else failed.
$vals = array_values( $local_urls );
return $vals[0];
}
/**
* Get the name of the font-family.
* This is used by @font-face in case the user already has the font downloaded locally.
*
* @access public
* @since 5.5.2
* @param string $variant The variant.
* @param bool $compact Whether we want the compact formatting or not.
* @return string
*/
public function get_local_font_name( $variant, $compact = false ) {
$variant_names = [
'100' => 'Thin',
'100i' => 'Thin Italic',
'100italic' => 'Thin Italic',
'200' => 'Extra-Light',
'200i' => 'Extra-Light Italic',
'200italic' => 'Extra-Light Italic',
'300' => 'Light',
'300i' => 'Light Italic',
'300italic' => 'Light Italic',
'400' => 'Regular',
'regular' => 'Regular',
'400i' => 'Regular Italic',
'italic' => 'Italic',
'400italic' => 'Regular Italic',
'500' => 'Medium',
'500i' => 'Medium Italic',
'500italic' => 'Medium Italic',
'600' => 'Semi-Bold',
'600i' => 'Semi-Bold Italic',
'600italic' => 'Semi-Bold Italic',
'700' => 'Bold',
'700i' => 'Bold Italic',
'700italic' => 'Bold Italic',
'800' => 'Extra-Bold',
'800i' => 'Extra-Bold Italic',
'800italic' => 'Extra-Bold Italic',
'900' => 'Black',
'900i' => 'Black Italic',
'900italic' => 'Black Italic',
];
$variant = (string) $variant;
if ( $compact ) {
if ( isset( $variant_names[ $variant ] ) ) {
return str_replace( [ ' ', '-' ], '', $this->family ) . '-' . str_replace( [ ' ', '-' ], '', $variant_names[ $variant ] );
}
return str_replace( [ ' ', '-' ], '', $this->family );
}
if ( isset( $variant_names[ $variant ] ) ) {
return $this->family . ' ' . $variant_names[ $variant ];
}
return $this->family;
}
/**
* Get an array of font-files.
* Only contains the filenames.
*
* @access public
* @since 5.5.2
* @return array
*/
public function get_font_files() {
$files = [];
$remote_urls = $this->get_font_files_urls_remote();
foreach ( $remote_urls as $key => $url ) {
$files[ $key ] = Fusion_Downloader::get_filename_from_url( $url );
}
return $files;
}
/**
* Get the remote URLs for the font-files.
*
* @access public
* @since 5.5.2
* @return array
*/
public function get_font_files_urls_remote() {
if ( isset( $this->font['files'] ) ) {
return $this->font['files'];
}
return [];
}
/**
* Get an array of local file URLs.
*
* @access public
* @since 5.5.2
* @return array
*/
public function get_font_files_urls_local() {
$urls = [];
$files = $this->get_font_files();
foreach ( $files as $key => $file ) {
$urls[ $key ] = $this->folder_url . '/' . $file;
}
return $urls;
}
/**
* Get an array of local file paths.
*
* @access public
* @since 5.5.2
* @return array
*/
public function get_font_files_paths() {
$paths = [];
$files = $this->get_font_files();
foreach ( $files as $key => $file ) {
$paths[ $key ] = $this->folder_path . '/' . $file;
}
return $paths;
}
/**
* Get a font-family from the array of google-fonts.
*
* @access public
* @since 5.5.2
* @return array|null
*/
public function get_font_family() {
// Get the fonts array.
$fonts = $this->get_fonts();
// Make sure we've got fonts.
if ( isset( $fonts['items'] ) ) {
$fonts = $fonts['items'];
// Loop array of fonts.
foreach ( $fonts as $font ) {
// When we find the font, return it.
if ( isset( $font['family'] ) && $this->family === $font['family'] ) {
return $font;
}
}
}
return null;
}
/**
* Get the font defined in the google-fonts API.
*
* @access private
* @since 5.5.2
* @return array
*/
private function get_fonts() {
return include FUSION_LIBRARY_PATH . '/inc/googlefonts-array.php';
}
/**
* Download font-family files.
*
* @access public
* @since 5.5.2
* @param array $variants An array of variants to download. Leave empty to download all.
* @return void
*/
public function download_font_family( $variants = [] ) {
if ( isset( $this->font['files'] ) ) {
if ( empty( $variants ) ) {
$variants = $this->font['variants'];
}
foreach ( $this->font['files'] as $variant => $file ) {
if ( in_array( $variant, $variants ) ) { // phpcs:ignore WordPress.PHP.StrictInArray
$file = new Fusion_Downloader( $file, 'fusion-gfonts/' . sanitize_key( $this->family ) );
$file->download_file();
}
}
}
}
}
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