|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Processes typography-related fields |
|
4
|
|
|
* and generates the google-font link. |
|
5
|
|
|
* |
|
6
|
|
|
* @package Kirki |
|
7
|
|
|
* @category Core |
|
8
|
|
|
* @author Aristeides Stathopoulos |
|
9
|
|
|
* @copyright Copyright (c) 2017, Aristeides Stathopoulos |
|
10
|
|
|
* @license http://opensource.org/licenses/https://opensource.org/licenses/MIT |
|
11
|
|
|
* @since 1.0 |
|
12
|
|
|
*/ |
|
13
|
|
|
|
|
14
|
|
|
/** |
|
15
|
|
|
* Manages the way Google Fonts are enqueued. |
|
16
|
|
|
*/ |
|
17
|
|
|
final class Kirki_Fonts_Google { |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* The Kirki_Fonts_Google instance. |
|
21
|
|
|
* We use the singleton pattern here to avoid loading the google-font array multiple times. |
|
22
|
|
|
* This is mostly a performance tweak. |
|
23
|
|
|
* |
|
24
|
|
|
* @access private |
|
25
|
|
|
* @var null|object |
|
26
|
|
|
*/ |
|
27
|
|
|
private static $instance = null; |
|
28
|
|
|
|
|
29
|
|
|
/** |
|
30
|
|
|
* If set to true, forces loading ALL variants. |
|
31
|
|
|
* |
|
32
|
|
|
* @static |
|
33
|
|
|
* @access public |
|
34
|
|
|
* @var bool |
|
35
|
|
|
*/ |
|
36
|
|
|
public static $force_load_all_variants = false; |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* If set to true, forces loading ALL subsets. |
|
40
|
|
|
* |
|
41
|
|
|
* @static |
|
42
|
|
|
* @access public |
|
43
|
|
|
* @var bool |
|
44
|
|
|
*/ |
|
45
|
|
|
public static $force_load_all_subsets = false; |
|
46
|
|
|
|
|
47
|
|
|
/** |
|
48
|
|
|
* The array of fonts |
|
49
|
|
|
* |
|
50
|
|
|
* @access public |
|
51
|
|
|
* @var array |
|
52
|
|
|
*/ |
|
53
|
|
|
public $fonts = array(); |
|
54
|
|
|
|
|
55
|
|
|
/** |
|
56
|
|
|
* An array of all google fonts. |
|
57
|
|
|
* |
|
58
|
|
|
* @access private |
|
59
|
|
|
* @var array |
|
60
|
|
|
*/ |
|
61
|
|
|
private $google_fonts = array(); |
|
62
|
|
|
|
|
63
|
|
|
/** |
|
64
|
|
|
* The array of subsets |
|
65
|
|
|
* |
|
66
|
|
|
* @access public |
|
67
|
|
|
* @var array |
|
68
|
|
|
*/ |
|
69
|
|
|
public $subsets = array(); |
|
70
|
|
|
|
|
71
|
|
|
/** |
|
72
|
|
|
* The class constructor. |
|
73
|
|
|
*/ |
|
74
|
|
|
private function __construct() { |
|
75
|
|
|
|
|
76
|
|
|
$config = apply_filters( 'kirki/config', array() ); |
|
77
|
|
|
|
|
78
|
|
|
// If we have set $config['disable_google_fonts'] to true then do not proceed any further. |
|
79
|
|
|
if ( isset( $config['disable_google_fonts'] ) && true === $config['disable_google_fonts'] ) { |
|
80
|
|
|
return; |
|
81
|
|
|
} |
|
82
|
|
|
|
|
83
|
|
|
add_action( 'wp_ajax_kirki_fonts_google_all_get', array( $this, 'get_googlefonts_json' ) ); |
|
84
|
|
|
add_action( 'wp_ajax_noprinv_kirki_fonts_google_all_get', array( $this, 'get_googlefonts_json' ) ); |
|
85
|
|
|
|
|
86
|
|
|
// Populate the array of google fonts. |
|
87
|
|
|
$this->google_fonts = Kirki_Fonts::get_google_fonts(); |
|
88
|
|
|
|
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
|
|
/** |
|
92
|
|
|
* Get the one, true instance of this class. |
|
93
|
|
|
* Prevents performance issues since this is only loaded once. |
|
94
|
|
|
* |
|
95
|
|
|
* @return object Kirki_Fonts_Google |
|
96
|
|
|
*/ |
|
97
|
|
|
public static function get_instance() { |
|
98
|
|
|
if ( null === self::$instance ) { |
|
99
|
|
|
self::$instance = new Kirki_Fonts_Google(); |
|
100
|
|
|
} |
|
101
|
|
|
return self::$instance; |
|
102
|
|
|
} |
|
103
|
|
|
|
|
104
|
|
|
/** |
|
105
|
|
|
* Processes the arguments of a field |
|
106
|
|
|
* determines if it's a typography field |
|
107
|
|
|
* and if it is, then takes appropriate actions. |
|
108
|
|
|
* |
|
109
|
|
|
* @param array $args The field arguments. |
|
110
|
|
|
*/ |
|
111
|
|
|
public function generate_google_font( $args ) { |
|
112
|
|
|
|
|
113
|
|
|
// Process typography fields. |
|
114
|
|
|
if ( isset( $args['type'] ) && 'kirki-typography' === $args['type'] ) { |
|
115
|
|
|
|
|
116
|
|
|
// Get the value. |
|
117
|
|
|
$value = Kirki_Values::get_sanitized_field_value( $args ); |
|
118
|
|
|
|
|
119
|
|
|
// If we don't have a font-family then we can skip this. |
|
120
|
|
|
if ( ! isset( $value['font-family'] ) ) { |
|
121
|
|
|
return; |
|
122
|
|
|
} |
|
123
|
|
|
|
|
124
|
|
|
// If not a google-font, then we can skip this. |
|
125
|
|
|
if ( ! Kirki_Fonts::is_google_font( $value['font-family'] ) ) { |
|
126
|
|
|
return; |
|
127
|
|
|
} |
|
128
|
|
|
|
|
129
|
|
|
// Set a default value for variants. |
|
130
|
|
|
if ( ! isset( $value['variant'] ) ) { |
|
131
|
|
|
$value['variant'] = 'regular'; |
|
132
|
|
|
} |
|
133
|
|
|
if ( isset( $value['subsets'] ) ) { |
|
134
|
|
|
|
|
135
|
|
|
// Add the subset directly to the array of subsets in the Kirki_GoogleFonts_Manager object. |
|
136
|
|
|
// Subsets must be applied to ALL fonts if possible. |
|
137
|
|
|
if ( ! is_array( $value['subsets'] ) ) { |
|
138
|
|
|
$this->subsets[] = $value['subsets']; |
|
139
|
|
|
} else { |
|
140
|
|
|
foreach ( $value['subsets'] as $subset ) { |
|
141
|
|
|
$this->subsets[] = $subset; |
|
142
|
|
|
} |
|
143
|
|
|
} |
|
144
|
|
|
} |
|
145
|
|
|
|
|
146
|
|
|
// Add the requested google-font. |
|
147
|
|
|
if ( ! isset( $this->fonts[ $value['font-family'] ] ) ) { |
|
148
|
|
|
$this->fonts[ $value['font-family'] ] = array(); |
|
149
|
|
|
} |
|
150
|
|
|
if ( ! in_array( $value['variant'], $this->fonts[ $value['font-family'] ], true ) ) { |
|
151
|
|
|
$this->fonts[ $value['font-family'] ][] = $value['variant']; |
|
152
|
|
|
} |
|
153
|
|
|
// Are we force-loading all variants? |
|
154
|
|
|
if ( true === self::$force_load_all_variants ) { |
|
155
|
|
|
$all_variants = Kirki_Fonts::get_all_variants(); |
|
156
|
|
|
$args['choices']['variant'] = array_keys( $all_variants ); |
|
157
|
|
|
} |
|
158
|
|
|
|
|
159
|
|
|
if ( ! empty( $args['choices']['variant'] ) && is_array( $args['choices']['variant'] ) ) { |
|
160
|
|
|
foreach ( $args['choices']['variant'] as $extra_variant ) { |
|
161
|
|
|
$this->fonts[ $value['font-family'] ][] = $extra_variant; |
|
162
|
|
|
} |
|
163
|
|
|
} |
|
164
|
|
|
} else { |
|
165
|
|
|
|
|
166
|
|
|
// Process non-typography fields. |
|
167
|
|
|
if ( isset( $args['output'] ) && is_array( $args['output'] ) ) { |
|
168
|
|
|
foreach ( $args['output'] as $output ) { |
|
169
|
|
|
|
|
170
|
|
|
// If we don't have a typography-related output argument we can skip this. |
|
171
|
|
|
if ( ! isset( $output['property'] ) || ! in_array( $output['property'], array( 'font-family', 'font-weight', 'font-subset', 'subset', 'subsets' ), true ) ) { |
|
172
|
|
|
continue; |
|
173
|
|
|
} |
|
174
|
|
|
|
|
175
|
|
|
// Get the value. |
|
176
|
|
|
$value = Kirki_Values::get_sanitized_field_value( $args ); |
|
177
|
|
|
|
|
178
|
|
|
if ( is_string( $value ) ) { |
|
179
|
|
|
if ( 'font-family' === $output['property'] ) { |
|
180
|
|
|
if ( ! array_key_exists( $value, $this->fonts ) ) { |
|
181
|
|
|
$this->fonts[ $value ] = array(); |
|
182
|
|
|
} |
|
183
|
|
|
} elseif ( 'font-weight' === $output['property'] ) { |
|
184
|
|
|
foreach ( $this->fonts as $font => $variants ) { |
|
185
|
|
|
if ( ! in_array( $value, $variants, true ) ) { |
|
186
|
|
|
$this->fonts[ $font ][] = $value; |
|
187
|
|
|
} |
|
188
|
|
|
} |
|
189
|
|
|
} elseif ( 'font-subset' === $output['property'] || 'subset' === $output['property'] || 'subsets' === $output['property'] ) { |
|
190
|
|
|
if ( ! is_array( $value ) ) { |
|
191
|
|
|
if ( ! in_array( $value, $this->subsets, true ) ) { |
|
192
|
|
|
$this->subsets[] = $value; |
|
193
|
|
|
} |
|
194
|
|
|
} else { |
|
195
|
|
|
foreach ( $value as $subset ) { |
|
196
|
|
|
if ( ! in_array( $subset, $this->subsets, true ) ) { |
|
197
|
|
|
$this->subsets[] = $subset; |
|
198
|
|
|
} |
|
199
|
|
|
} |
|
200
|
|
|
} |
|
201
|
|
|
} |
|
202
|
|
|
} |
|
203
|
|
|
} // End foreach(). |
|
204
|
|
|
} // End if(). |
|
205
|
|
|
} // End if(). |
|
206
|
|
|
} |
|
207
|
|
|
|
|
208
|
|
|
/** |
|
209
|
|
|
* Determines the vbalidity of the selected font as well as its properties. |
|
210
|
|
|
* This is vital to make sure that the google-font script that we'll generate later |
|
211
|
|
|
* does not contain any invalid options. |
|
212
|
|
|
*/ |
|
213
|
|
|
public function process_fonts() { |
|
214
|
|
|
|
|
215
|
|
|
// Early exit if font-family is empty. |
|
216
|
|
|
if ( empty( $this->fonts ) ) { |
|
217
|
|
|
return; |
|
218
|
|
|
} |
|
219
|
|
|
|
|
220
|
|
|
$valid_subsets = array(); |
|
221
|
|
|
foreach ( $this->fonts as $font => $variants ) { |
|
222
|
|
|
|
|
223
|
|
|
// Determine if this is indeed a google font or not. |
|
224
|
|
|
// If it's not, then just remove it from the array. |
|
225
|
|
|
if ( ! array_key_exists( $font, $this->google_fonts ) ) { |
|
226
|
|
|
unset( $this->fonts[ $font ] ); |
|
227
|
|
|
continue; |
|
228
|
|
|
} |
|
229
|
|
|
|
|
230
|
|
|
// Get all valid font variants for this font. |
|
231
|
|
|
$font_variants = array(); |
|
232
|
|
|
if ( isset( $this->google_fonts[ $font ]['variants'] ) ) { |
|
233
|
|
|
$font_variants = $this->google_fonts[ $font ]['variants']; |
|
234
|
|
|
} |
|
235
|
|
|
foreach ( $variants as $variant ) { |
|
236
|
|
|
|
|
237
|
|
|
// If this is not a valid variant for this font-family |
|
238
|
|
|
// then unset it and move on to the next one. |
|
239
|
|
|
if ( ! in_array( $variant, $font_variants, true ) ) { |
|
240
|
|
|
$variant_key = array_search( $variant, $this->fonts[ $font ], true ); |
|
241
|
|
|
unset( $this->fonts[ $font ][ $variant_key ] ); |
|
242
|
|
|
continue; |
|
243
|
|
|
} |
|
244
|
|
|
} |
|
245
|
|
|
|
|
246
|
|
|
// Check if the selected subsets exist, even in one of the selected fonts. |
|
247
|
|
|
// If they don't, then they have to be removed otherwise the link will fail. |
|
248
|
|
|
if ( isset( $this->google_fonts[ $font ]['subsets'] ) ) { |
|
249
|
|
|
foreach ( $this->subsets as $subset ) { |
|
250
|
|
|
if ( in_array( $subset, $this->google_fonts[ $font ]['subsets'], true ) ) { |
|
251
|
|
|
$valid_subsets[] = $subset; |
|
252
|
|
|
} |
|
253
|
|
|
} |
|
254
|
|
|
} |
|
255
|
|
|
} |
|
256
|
|
|
$this->subsets = $valid_subsets; |
|
257
|
|
|
} |
|
258
|
|
|
|
|
259
|
|
|
/** |
|
260
|
|
|
* Gets the googlefonts JSON file. |
|
261
|
|
|
* |
|
262
|
|
|
* @since 3.0.17 |
|
263
|
|
|
* @return void |
|
264
|
|
|
*/ |
|
265
|
|
|
public function get_googlefonts_json() { |
|
266
|
|
|
include wp_normalize_path( dirname( __FILE__ ) . '/webfonts.json' ); |
|
267
|
|
|
exit(); |
|
268
|
|
|
} |
|
269
|
|
|
} |
|
270
|
|
|
|
aristath /
kirki
