make script evaluation optional

includes/class-admin.php

@@ -116,6 +116,15 @@ class Admin extends SCLiveticker {
 			'scliveticker_settings_general',
 			array( 'label_for' => esc_attr( self::OPTION ) . '-enable-shortcode' )
 		);
+
+		add_settings_field(
+			'embedded_script',
+			__( 'Embedded JavaScript', 'stklcode-liveticker' ),
+			array( __CLASS__, 'settings_embedded_script_field' ),
+			'scliveticker-settings-page',
+			'scliveticker_settings_general',
+			array( 'label_for' => esc_attr( self::OPTION ) . '-embedded-script' )
+		);
 	}
 
 	/**
@@ -188,7 +197,7 @@ class Admin extends SCLiveticker {
 	}
 
 	/**
-	 * Render enable css field.
+	 * Render enable shortcode field.
 	 *
 	 * @return void
 	 *
@@ -202,6 +211,21 @@ class Admin extends SCLiveticker {
 		echo '<p class="description">' . esc_html__( 'Enable shortcode processing in tick content.', 'stklcode-liveticker' ) . '</p>';
 	}
 
+	/**
+	 * Render embedded script field.
+	 *
+	 * @return void
+	 *
+	 * @since 1.2
+	 */
+	public static function settings_embedded_script_field() {
+		$checked = self::$options['embedded_script'];
+
+		echo '<input id="' . esc_attr( self::OPTION ) . '-embedded-script" type="checkbox" name="' . esc_attr( self::OPTION ) . '[embedded_script]" value="1" ' . checked( $checked, 1, false ) . ' /> ';
+		esc_html_e( 'Enable', 'stklcode-liveticker' );
+		echo '<p class="description">' . esc_html__( 'Allow embedded script evaluation in tick contents. This might be useful for embedded content, e.g. social media integrations.', 'stklcode-liveticker' ) . '</p>';
+	}
+
 	/**
 	 * Render the settings page.
 	 *
@@ -226,6 +250,7 @@ class Admin extends SCLiveticker {
 		$result['enable_css']       = isset( $input['enable_css'] ) ? intval( $input['enable_css'] ) : 0;
 		$result['show_feed']        = isset( $input['show_feed'] ) ? intval( $input['show_feed'] ) : 0;
 		$result['enable_shortcode'] = isset( $input['enable_shortcode'] ) ? intval( $input['enable_shortcode'] ) : 0;
+		$result['embedded_script']  = isset( $input['embedded_script'] ) ? intval( $input['embedded_script'] ) : 0;
 
 		return $result;
 	}

includes/class-scliveticker.php

@@ -278,6 +278,7 @@ class SCLiveticker {
 					'ajax_url'        => admin_url( 'admin-ajax.php' ),
 					'nonce'           => wp_create_nonce( 'scliveticker_update-ticks' ),
 					'api'             => rest_url(),
+					'embedded_script' => boolval( self::$options['embedded_script'] ),
 					'poll_interval'   => self::$options['poll_interval'] * 1000,
 				)
 			);
@@ -423,6 +424,7 @@ class SCLiveticker {
 			'enable_css'       => 1,
 			'show_feed'        => 0,
 			'enable_shortcode' => 0,
+			'embedded_script'  => 0,
 			'reset_settings'   => 0,
 		);
 	}

scripts/liveticker.js

@@ -179,6 +179,7 @@
 		content.innerHTML = u.content.rendered;
 
 		// Process embedded scripts, if any.
+		if ( scliveticker.embedded_script ) {
 			Array.prototype.forEach.call(
 				content.getElementsByTagName( 'script' ),
 				function( script ) {
@@ -196,6 +197,7 @@
 					}
 				}
 			);
+		}
 
 		// Create the actual tick element.
 		li.id = 'sclt-' + t.id + '-' + u.id;