← All changes | includes/Assets/LoadFonts.php +105 -12 2.13.0 → 3.2.0 View file →

		@@ -24,8 +24,10 @@
24	24	* @since 3.0.0
25	25	* @var array<int, string>
26	26	*/
27	27	private const SYSTEM_FONTS = array(
	28	+ // Posts saved before the picker stored an empty value for "inherit".
	29	+ 'Default',
28	30	'Arial',
29	31	'Tahoma',
30	32	'Verdana',
31	33	'Helvetica',
		@@ -51,12 +53,90 @@
51	53	*/
52	54	public function __construct() {
53	55	add_action( 'wp_enqueue_scripts', array( $this, 'fonts_loader' ), 10 );
54	56	add_action( 'admin_enqueue_scripts', array( $this, 'fonts_loader' ), 10 );
	57	+ add_action( 'enqueue_block_assets', array( $this, 'enqueue_editor_fonts' ) );
55	58	add_action( 'gutsliders_render_block', array( $this, 'font_generator' ) );
56	59	}
57	60
58	61	/**
	62	+ * Enqueue the fonts used by the post open in the block editor.
	63	+ *
	64	+ * Hooked to `enqueue_block_assets` because WordPress mirrors that hook into
	65	+ * the editor canvas iframe, which is where apiVersion 3 blocks render.
	66	+ * `admin_enqueue_scripts` only reaches the document around the canvas, so
	67	+ * the preview would resolve `font-family` against a font that document has
	68	+ * but the iframe never loaded.
	69	+ *
	70	+ * @since 3.0.0
	71	+ *
	72	+ * @return void
	73	+ */
	74	+ public function enqueue_editor_fonts(): void {
	75	+ if ( ! is_admin() || ! function_exists( 'get_current_screen' ) ) {
	76	+ return;
	77	+ }
	78	+
	79	+ $screen = get_current_screen();
	80	+
	81	+ if ( null === $screen || ! $screen->is_block_editor() ) {
	82	+ return;
	83	+ }
	84	+
	85	+ $post = get_post();
	86	+
	87	+ if ( ! $post instanceof \WP_Post || ! has_blocks( $post->post_content ) ) {
	88	+ return;
	89	+ }
	90	+
	91	+ $this->collect_fonts( parse_blocks( $post->post_content ) );
	92	+ $this->fonts_loader();
	93	+ }
	94	+
	95	+ /**
	96	+ * Walk a parsed block tree and record every font family it uses.
	97	+ *
	98	+ * The front end collects fonts from `render_block`, which fires for nested
	99	+ * blocks too. A parsed tree has to be walked explicitly.
	100	+ *
	101	+ * @since 3.0.0
	102	+ *
	103	+ * @param array<int, array<string, mixed>> $blocks Parsed blocks.
	104	+ * @return void
	105	+ */
	106	+ private function collect_fonts( array $blocks ): void {
	107	+ foreach ( $blocks as $block ) {
	108	+ if ( isset( $block['attrs'] ) && is_array( $block['attrs'] ) ) {
	109	+ $this->collect_block_fonts( $block['attrs'] );
	110	+ }
	111	+
	112	+ if ( ! empty( $block['innerBlocks'] ) && is_array( $block['innerBlocks'] ) ) {
	113	+ $this->collect_fonts( $block['innerBlocks'] );
	114	+ }
	115	+ }
	116	+ }
	117	+
	118	+ /**
	119	+ * Record the font families named in a single block's attributes.
	120	+ *
	121	+ * @since 3.0.0
	122	+ *
	123	+ * @param array<string, mixed> $attributes Block attributes.
	124	+ * @return void
	125	+ */
	126	+ private function collect_block_fonts( array $attributes ): void {
	127	+ foreach ( $attributes as $key => $value ) {
	128	+ if ( ! empty( $value )
	129	+ && is_string( $value )
	130	+ && strpos( $key, 'gutsliders_' ) === 0
	131	+ && strpos( $key, 'FontFamily' ) !== false
	132	+ ) {
	133	+ self::$all_fonts[] = sanitize_text_field( $value );
	134	+ }
	135	+ }
	136	+ }
	137	+
	138	+ /**
59	139	* Extract font families from a rendered block's attributes.
60	140	*
61	141	* Scans block attributes for font family values and triggers
62	142	* the font loader to enqueue any new fonts found.
		@@ -67,20 +147,9 @@
67	147	* @return void
68	148	*/
69	149	public function font_generator( array $block ): void {
70	150	if ( isset( $block['attrs'] ) && is_array( $block['attrs'] ) ) {
71		- $attributes = $block['attrs'];
72		-
73		- foreach ( $attributes as $key => $value ) {
74		- if ( ! empty( $value )
75		- && is_string( $value )
76		- && strpos( $key, 'gutsliders_' ) === 0
77		- && strpos( $key, 'FontFamily' ) !== false
78		- ) {
79		- self::$all_fonts[] = sanitize_text_field( $value );
80		- }
81		- }
82		-
	151	+ $this->collect_block_fonts( $block['attrs'] );
83	152	$this->fonts_loader();
84	153	}
85	154	}
86	155
		@@ -94,8 +163,12 @@
94	163	*
95	164	* @return void
96	165	*/
97	166	public function fonts_loader(): void {
	167	+ if ( ! $this->is_google_fonts_enabled() ) {
	168	+ return;
	169	+ }
	170	+
98	171	if ( ! is_array( self::$all_fonts ) || count( self::$all_fonts ) === 0 ) {
99	172	return;
100	173	}
101	174
		@@ -125,6 +198,26 @@
125	198	);
126	199
127	200	wp_enqueue_style( $font_handle );
128	201	}
	202	+ }
	203	+
	204	+ /**
	205	+ * Whether Google Fonts requests are allowed.
	206	+ *
	207	+ * Site owners can turn this off from the GutSlider settings screen
	208	+ * when the theme already loads the fonts or hosts them locally.
	209	+ *
	210	+ * @since 3.0.0
	211	+ *
	212	+ * @return bool True when Google Fonts may be enqueued.
	213	+ */
	214	+ private function is_google_fonts_enabled(): bool {
	215	+ $settings = get_option( 'gutslider_settings', array() );
	216	+
	217	+ if ( is_array( $settings ) && array_key_exists( 'google_fonts', $settings ) ) {
	218	+ return (bool) $settings['google_fonts'];
	219	+ }
	220	+
	221	+ return true;
129	222	}
130	223	}