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<?php |
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|
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/** |
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* Singleton class to manage Google Web Fonts embedding, |
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* add the fonts with the weight and style |
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* |
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*/ |
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class VP_Site_GoogleWebFont |
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{ |
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private $_fonts = array(); |
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|
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private static $_instance = null; |
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|
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public static function instance() |
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{ |
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if(self::$_instance == null) |
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{ |
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self::$_instance = new self(); |
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} |
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return self::$_instance; |
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} |
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|
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public function add($name, $weights = 'normal', $styles = 'normal') |
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{ |
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|
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if(empty($name)) |
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return; |
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|
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$weights = (array) $weights; |
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$styles = (array) $styles; |
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$name = str_replace(' ', '+', $name); |
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|
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if(!isset($this->_fonts[$name])) |
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$this->_fonts[$name] = array(); |
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|
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foreach ($weights as $weight) |
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{ |
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foreach ($styles as $style) |
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{ |
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// set it to empty if style is equal to normal |
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if($style === 'normal') |
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$style = ''; |
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|
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if($style != '') |
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if($weight === 'normal') $weight = ''; |
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|
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// skip if both are empty |
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if($style === '' and $weight === '') |
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continue; |
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|
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$couple = $weight . $style; |
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|
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if(!in_array($couple, $this->_fonts[$name])) |
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$this->_fonts[$name][] = $couple; |
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} |
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} |
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} |
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|
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public function register() |
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{ |
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$links = $this->get_font_links(); |
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foreach ($links as $name => $link) |
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{ |
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wp_register_style( $name, $link); |
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} |
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} |
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|
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public function enqueue() |
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{ |
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$names = $this->get_names(); |
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foreach ($names as $name) |
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{ |
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wp_enqueue_style( $name ); |
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} |
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} |
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|
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public function register_and_enqueue() |
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{ |
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$this->register(); |
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$this->enqueue(); |
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} |
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|
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public function get_font_links() |
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{ |
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$links = array(); |
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foreach ($this->_fonts as $name => $atts) |
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{ |
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$param = implode(',', $atts); |
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$link = "http://fonts.googleapis.com/css?family=$name" . ($param !== '' ? ":$param" : ''); |
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$links[$name] = $link; |
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} |
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return $links; |
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} |
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|
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public function get_fonts() |
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{ |
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return $this->_fonts; |
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} |
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|
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public function get_names() |
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{ |
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return array_keys($this->_fonts); |
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} |
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|
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} |
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|
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/** |
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* EOF |
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*/ |
