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<?php |
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/** |
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* AMP class that implements a template style editor in the Customizer. |
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* |
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* A direct, formed link to the AMP editor in the Customizer is added via |
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* {@see amp_customizer_editor_link()} as a submenu to the Appearance menu. |
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* |
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* @since 0.4 |
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*/ |
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class AMP_Template_Customizer { |
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/** |
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* AMP template editor panel ID. |
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* |
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* @since 0.4 |
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* @var string |
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*/ |
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const PANEL_ID = 'amp_panel'; |
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/** |
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* Customizer instance. |
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* |
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* @since 0.4 |
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* @access protected |
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* @var WP_Customize_Manager $wp_customize |
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*/ |
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protected $wp_customize; |
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/** |
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* Initialize the template Customizer feature class. |
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* |
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* @static |
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* @since 0.4 |
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* @access public |
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* |
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* @param WP_Customize_Manager $wp_customize Customizer instance. |
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*/ |
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public static function init( $wp_customize ) { |
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$self = new self(); |
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$self->wp_customize = $wp_customize; |
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do_action( 'amp_customizer_init', $self ); |
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// Settings need to be registered for regular customize requests as well (since save is handled there) |
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$self->register_settings(); |
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// Our custom panels only need to go for AMP Customizer requests though |
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if ( self::is_amp_customizer() ) { |
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if ( empty( $_GET['url'] ) ) { |
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$wp_customize->set_preview_url( amp_admin_get_preview_permalink() ); |
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} |
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$self->_unregister_core_ui(); |
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$self->register_ui(); |
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} elseif ( is_customize_preview() ) { |
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// Delay preview-specific actions until we're sure we're rendering an AMP page, since it's too early for `is_amp_endpoint()` here. |
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add_action( 'pre_amp_render_post', array( $self, 'init_preview' ) ); |
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} |
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} |
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/** |
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* Filters the core components to unhook the nav_menus and widgets panels. |
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* |
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* @since 0.4 |
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* @access private |
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* |
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* @return array Array of core Customizer components to keep active. |
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*/ |
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public static function _unregister_core_panels( $panels ) { |
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if ( self::is_amp_customizer() ) { |
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$panels = array(); |
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} |
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return $panels; |
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} |
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/** |
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* Removes all non-AMP sections and panels. |
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* |
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* Provides a clean, standalone instance-like experience by removing all non-AMP registered panels and sections. |
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* |
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* @since 0.4 |
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* @access private |
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*/ |
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private function _unregister_core_ui() { |
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$panels = $this->wp_customize->panels(); |
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$sections = $this->wp_customize->sections(); |
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foreach ( $panels as $panel_id => $object ) { |
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$this->wp_customize->remove_panel( $panel_id ); |
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} |
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foreach ( $sections as $section_id => $object ) { |
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$this->wp_customize->remove_section( $section_id ); |
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} |
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} |
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public function remove_all_panels( $components ) { |
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error_log("remove panels"); |
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error_log(print_r($components, 1)); |
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} |
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public function init_preview() { |
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// Preview needs controls registered too for postMessage communication. |
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$this->register_ui(); |
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add_action( 'amp_post_template_footer', array( $this, 'add_preview_scripts' ) ); |
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} |
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/** |
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* Sets up the AMP Customizer preview. |
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*/ |
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public function register_ui() { |
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add_action( 'customize_controls_enqueue_scripts', array( $this, 'add_customizer_scripts' ) ); |
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add_filter( 'customize_previewable_devices', array( $this, 'force_mobile_preview' ) ); |
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$this->wp_customize->add_panel( self::PANEL_ID, array( |
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'type' => 'amp', |
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'title' => __( 'AMP', 'amp' ), |
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'description' => sprintf( __( '<a href="%s" target="_blank">The AMP Project</a> is a Google-led initiative that dramatically improves loading speeds on phones and tablets. You can use the Customizer to preview changes to your AMP template before publishing them.', 'amp' ), 'https://ampproject.org' ), |
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) ); |
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do_action( 'amp_customizer_register_ui', $this->wp_customize ); |
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} |
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/** |
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* Registers settings for customizing AMP templates. |
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* |
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* @since 0.4 |
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* @access public |
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*/ |
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public function register_settings() { |
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do_action( 'amp_customizer_register_settings', $this->wp_customize ); |
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} |
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public function add_customizer_scripts() { |
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wp_enqueue_script( 'wp-util' ); // fix `wp.template is not a function` |
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do_action( 'amp_customizer_enqueue_scripts' ); |
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} |
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/** |
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* Enqueues scripts and fires the 'wp_footer' action so we can output customizer scripts. |
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* |
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* This breaks AMP validation in the customizer but is necessary for the live preview. |
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* |
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* @since 0.4 |
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* @access public |
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*/ |
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public function add_preview_scripts() { |
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wp_enqueue_script( |
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'amp-customizer', |
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amp_get_asset_url( 'js/amp-customizer-preview.js' ), |
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array( 'jquery', 'customize-preview', 'wp-util' ), |
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$version = false, |
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$footer = true |
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); |
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do_action( 'amp_customizer_enqueue_preview_scripts', $this->wp_customize ); |
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/** This action is documented in wp-includes/general-template.php */ |
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do_action( 'wp_footer' ); |
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} |
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public function force_mobile_preview( $devices ) { |
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if ( isset( $devices[ 'mobile' ] ) ) { |
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$devices['mobile']['default'] = true; |
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unset( $devices['desktop']['default'] ); |
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} |
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return $devices; |
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} |
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public static function is_amp_customizer() { |
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return ! empty( $_REQUEST[ AMP_CUSTOMIZER_QUERY_VAR ] ); |
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} |
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} |
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Automattic /
jetpack
