1 <?php |
1 <?php |
2 /** |
2 /** |
3 * Dependencies API: WP_Styles class |
3 * Dependencies API: WP_Styles class |
4 * |
4 * |
5 * @since 2.6.0 |
5 * This file is deprecated, use 'wp-includes/class-wp-styles.php' instead. |
6 * |
6 * |
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7 * @deprecated 6.1.0 |
7 * @package WordPress |
8 * @package WordPress |
8 * @subpackage Dependencies |
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9 */ |
9 */ |
10 |
10 |
11 /** |
11 _deprecated_file( basename( __FILE__ ), '6.1.0', WPINC . '/class-wp-styles.php' ); |
12 * Core class used to register styles. |
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13 * |
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14 * @since 2.6.0 |
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15 * |
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16 * @see WP_Dependencies |
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17 */ |
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18 class WP_Styles extends WP_Dependencies { |
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19 /** |
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20 * Base URL for styles. |
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21 * |
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22 * Full URL with trailing slash. |
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23 * |
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24 * @since 2.6.0 |
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25 * @var string |
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26 */ |
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27 public $base_url; |
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28 |
12 |
29 /** |
13 /** WP_Styles class */ |
30 * URL of the content directory. |
14 require_once ABSPATH . WPINC . '/class-wp-styles.php'; |
31 * |
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32 * @since 2.8.0 |
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33 * @var string |
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34 */ |
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35 public $content_url; |
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36 |
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37 /** |
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38 * Default version string for stylesheets. |
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39 * |
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40 * @since 2.6.0 |
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41 * @var string |
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42 */ |
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43 public $default_version; |
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44 |
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45 /** |
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46 * The current text direction. |
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47 * |
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48 * @since 2.6.0 |
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49 * @var string |
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50 */ |
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51 public $text_direction = 'ltr'; |
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52 |
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53 /** |
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54 * Holds a list of style handles which will be concatenated. |
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55 * |
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56 * @since 2.8.0 |
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57 * @var string |
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58 */ |
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59 public $concat = ''; |
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60 |
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61 /** |
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62 * Holds a string which contains style handles and their version. |
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63 * |
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64 * @since 2.8.0 |
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65 * @deprecated 3.4.0 |
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66 * @var string |
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67 */ |
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68 public $concat_version = ''; |
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69 |
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70 /** |
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71 * Whether to perform concatenation. |
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72 * |
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73 * @since 2.8.0 |
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74 * @var bool |
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75 */ |
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76 public $do_concat = false; |
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77 |
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78 /** |
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79 * Holds HTML markup of styles and additional data if concatenation |
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80 * is enabled. |
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81 * |
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82 * @since 2.8.0 |
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83 * @var string |
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84 */ |
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85 public $print_html = ''; |
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86 |
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87 /** |
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88 * Holds inline styles if concatenation is enabled. |
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89 * |
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90 * @since 3.3.0 |
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91 * @var string |
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92 */ |
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93 public $print_code = ''; |
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94 |
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95 /** |
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96 * List of default directories. |
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97 * |
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98 * @since 2.8.0 |
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99 * @var array |
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100 */ |
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101 public $default_dirs; |
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102 |
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103 /** |
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104 * Holds a string which contains the type attribute for style tag. |
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105 * |
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106 * If the active theme does not declare HTML5 support for 'style', |
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107 * then it initializes as `type='text/css'`. |
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108 * |
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109 * @since 5.3.0 |
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110 * @var string |
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111 */ |
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112 private $type_attr = ''; |
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113 |
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114 /** |
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115 * Constructor. |
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116 * |
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117 * @since 2.6.0 |
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118 */ |
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119 public function __construct() { |
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120 if ( |
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121 function_exists( 'is_admin' ) && ! is_admin() |
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122 && |
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123 function_exists( 'current_theme_supports' ) && ! current_theme_supports( 'html5', 'style' ) |
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124 ) { |
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125 $this->type_attr = " type='text/css'"; |
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126 } |
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127 |
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128 /** |
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129 * Fires when the WP_Styles instance is initialized. |
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130 * |
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131 * @since 2.6.0 |
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132 * |
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133 * @param WP_Styles $wp_styles WP_Styles instance (passed by reference). |
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134 */ |
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135 do_action_ref_array( 'wp_default_styles', array( &$this ) ); |
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136 } |
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137 |
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138 /** |
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139 * Processes a style dependency. |
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140 * |
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141 * @since 2.6.0 |
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142 * @since 5.5.0 Added the `$group` parameter. |
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143 * |
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144 * @see WP_Dependencies::do_item() |
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145 * |
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146 * @param string $handle The style's registered handle. |
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147 * @param int|false $group Optional. Group level: level (int), no groups (false). |
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148 * Default false. |
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149 * @return bool True on success, false on failure. |
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150 */ |
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151 public function do_item( $handle, $group = false ) { |
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152 if ( ! parent::do_item( $handle ) ) { |
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153 return false; |
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154 } |
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155 |
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156 $obj = $this->registered[ $handle ]; |
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157 |
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158 if ( null === $obj->ver ) { |
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159 $ver = ''; |
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160 } else { |
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161 $ver = $obj->ver ? $obj->ver : $this->default_version; |
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162 } |
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163 |
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164 if ( isset( $this->args[ $handle ] ) ) { |
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165 $ver = $ver ? $ver . '&' . $this->args[ $handle ] : $this->args[ $handle ]; |
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166 } |
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167 |
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168 $src = $obj->src; |
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169 $cond_before = ''; |
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170 $cond_after = ''; |
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171 $conditional = isset( $obj->extra['conditional'] ) ? $obj->extra['conditional'] : ''; |
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172 |
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173 if ( $conditional ) { |
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174 $cond_before = "<!--[if {$conditional}]>\n"; |
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175 $cond_after = "<![endif]-->\n"; |
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176 } |
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177 |
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178 $inline_style = $this->print_inline_style( $handle, false ); |
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179 |
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180 if ( $inline_style ) { |
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181 $inline_style_tag = sprintf( |
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182 "<style id='%s-inline-css'%s>\n%s\n</style>\n", |
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183 esc_attr( $handle ), |
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184 $this->type_attr, |
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185 $inline_style |
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186 ); |
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187 } else { |
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188 $inline_style_tag = ''; |
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189 } |
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190 |
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191 if ( $this->do_concat ) { |
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192 if ( $this->in_default_dir( $src ) && ! $conditional && ! isset( $obj->extra['alt'] ) ) { |
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193 $this->concat .= "$handle,"; |
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194 $this->concat_version .= "$handle$ver"; |
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195 |
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196 $this->print_code .= $inline_style; |
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197 |
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198 return true; |
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199 } |
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200 } |
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201 |
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202 if ( isset( $obj->args ) ) { |
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203 $media = esc_attr( $obj->args ); |
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204 } else { |
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205 $media = 'all'; |
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206 } |
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207 |
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208 // A single item may alias a set of items, by having dependencies, but no source. |
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209 if ( ! $src ) { |
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210 if ( $inline_style_tag ) { |
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211 if ( $this->do_concat ) { |
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212 $this->print_html .= $inline_style_tag; |
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213 } else { |
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214 echo $inline_style_tag; |
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215 } |
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216 } |
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217 |
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218 return true; |
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219 } |
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220 |
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221 $href = $this->_css_href( $src, $ver, $handle ); |
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222 if ( ! $href ) { |
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223 return true; |
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224 } |
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225 |
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226 $rel = isset( $obj->extra['alt'] ) && $obj->extra['alt'] ? 'alternate stylesheet' : 'stylesheet'; |
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227 $title = isset( $obj->extra['title'] ) ? sprintf( "title='%s'", esc_attr( $obj->extra['title'] ) ) : ''; |
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228 |
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229 $tag = sprintf( |
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230 "<link rel='%s' id='%s-css' %s href='%s'%s media='%s' />\n", |
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231 $rel, |
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232 $handle, |
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233 $title, |
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234 $href, |
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235 $this->type_attr, |
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236 $media |
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237 ); |
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238 |
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239 /** |
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240 * Filters the HTML link tag of an enqueued style. |
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241 * |
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242 * @since 2.6.0 |
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243 * @since 4.3.0 Introduced the `$href` parameter. |
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244 * @since 4.5.0 Introduced the `$media` parameter. |
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245 * |
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246 * @param string $tag The link tag for the enqueued style. |
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247 * @param string $handle The style's registered handle. |
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248 * @param string $href The stylesheet's source URL. |
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249 * @param string $media The stylesheet's media attribute. |
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250 */ |
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251 $tag = apply_filters( 'style_loader_tag', $tag, $handle, $href, $media ); |
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252 |
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253 if ( 'rtl' === $this->text_direction && isset( $obj->extra['rtl'] ) && $obj->extra['rtl'] ) { |
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254 if ( is_bool( $obj->extra['rtl'] ) || 'replace' === $obj->extra['rtl'] ) { |
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255 $suffix = isset( $obj->extra['suffix'] ) ? $obj->extra['suffix'] : ''; |
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256 $rtl_href = str_replace( "{$suffix}.css", "-rtl{$suffix}.css", $this->_css_href( $src, $ver, "$handle-rtl" ) ); |
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257 } else { |
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258 $rtl_href = $this->_css_href( $obj->extra['rtl'], $ver, "$handle-rtl" ); |
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259 } |
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260 |
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261 $rtl_tag = sprintf( |
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262 "<link rel='%s' id='%s-rtl-css' %s href='%s'%s media='%s' />\n", |
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263 $rel, |
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264 $handle, |
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265 $title, |
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266 $rtl_href, |
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267 $this->type_attr, |
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268 $media |
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269 ); |
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270 |
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271 /** This filter is documented in wp-includes/class.wp-styles.php */ |
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272 $rtl_tag = apply_filters( 'style_loader_tag', $rtl_tag, $handle, $rtl_href, $media ); |
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273 |
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274 if ( 'replace' === $obj->extra['rtl'] ) { |
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275 $tag = $rtl_tag; |
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276 } else { |
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277 $tag .= $rtl_tag; |
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278 } |
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279 } |
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280 |
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281 if ( $this->do_concat ) { |
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282 $this->print_html .= $cond_before; |
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283 $this->print_html .= $tag; |
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284 if ( $inline_style_tag ) { |
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285 $this->print_html .= $inline_style_tag; |
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286 } |
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287 $this->print_html .= $cond_after; |
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288 } else { |
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289 echo $cond_before; |
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290 echo $tag; |
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291 $this->print_inline_style( $handle ); |
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292 echo $cond_after; |
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293 } |
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294 |
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295 return true; |
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296 } |
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297 |
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298 /** |
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299 * Adds extra CSS styles to a registered stylesheet. |
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300 * |
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301 * @since 3.3.0 |
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302 * |
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303 * @param string $handle The style's registered handle. |
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304 * @param string $code String containing the CSS styles to be added. |
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305 * @return bool True on success, false on failure. |
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306 */ |
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307 public function add_inline_style( $handle, $code ) { |
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308 if ( ! $code ) { |
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309 return false; |
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310 } |
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311 |
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312 $after = $this->get_data( $handle, 'after' ); |
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313 if ( ! $after ) { |
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314 $after = array(); |
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315 } |
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316 |
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317 $after[] = $code; |
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318 |
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319 return $this->add_data( $handle, 'after', $after ); |
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320 } |
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321 |
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322 /** |
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323 * Prints extra CSS styles of a registered stylesheet. |
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324 * |
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325 * @since 3.3.0 |
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326 * |
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327 * @param string $handle The style's registered handle. |
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328 * @param bool $display Optional. Whether to print the inline style |
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329 * instead of just returning it. Default true. |
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330 * @return string|bool False if no data exists, inline styles if `$display` is true, |
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331 * true otherwise. |
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332 */ |
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333 public function print_inline_style( $handle, $display = true ) { |
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334 $output = $this->get_data( $handle, 'after' ); |
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335 |
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336 if ( empty( $output ) ) { |
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337 return false; |
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338 } |
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339 |
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340 $output = implode( "\n", $output ); |
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341 |
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342 if ( ! $display ) { |
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343 return $output; |
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344 } |
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345 |
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346 printf( |
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347 "<style id='%s-inline-css'%s>\n%s\n</style>\n", |
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348 esc_attr( $handle ), |
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349 $this->type_attr, |
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350 $output |
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351 ); |
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352 |
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353 return true; |
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354 } |
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355 |
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356 /** |
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357 * Determines style dependencies. |
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358 * |
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359 * @since 2.6.0 |
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360 * |
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361 * @see WP_Dependencies::all_deps() |
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362 * |
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363 * @param string|string[] $handles Item handle (string) or item handles (array of strings). |
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364 * @param bool $recursion Optional. Internal flag that function is calling itself. |
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365 * Default false. |
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366 * @param int|false $group Optional. Group level: level (int), no groups (false). |
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367 * Default false. |
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368 * @return bool True on success, false on failure. |
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369 */ |
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370 public function all_deps( $handles, $recursion = false, $group = false ) { |
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371 $r = parent::all_deps( $handles, $recursion, $group ); |
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372 if ( ! $recursion ) { |
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373 /** |
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374 * Filters the array of enqueued styles before processing for output. |
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375 * |
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376 * @since 2.6.0 |
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377 * |
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378 * @param string[] $to_do The list of enqueued style handles about to be processed. |
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379 */ |
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380 $this->to_do = apply_filters( 'print_styles_array', $this->to_do ); |
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381 } |
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382 return $r; |
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383 } |
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384 |
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385 /** |
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386 * Generates an enqueued style's fully-qualified URL. |
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387 * |
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388 * @since 2.6.0 |
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389 * |
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390 * @param string $src The source of the enqueued style. |
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391 * @param string $ver The version of the enqueued style. |
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392 * @param string $handle The style's registered handle. |
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393 * @return string Style's fully-qualified URL. |
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394 */ |
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395 public function _css_href( $src, $ver, $handle ) { |
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396 if ( ! is_bool( $src ) && ! preg_match( '|^(https?:)?//|', $src ) && ! ( $this->content_url && 0 === strpos( $src, $this->content_url ) ) ) { |
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397 $src = $this->base_url . $src; |
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398 } |
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399 |
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400 if ( ! empty( $ver ) ) { |
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401 $src = add_query_arg( 'ver', $ver, $src ); |
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402 } |
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403 |
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404 /** |
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405 * Filters an enqueued style's fully-qualified URL. |
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406 * |
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407 * @since 2.6.0 |
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408 * |
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409 * @param string $src The source URL of the enqueued style. |
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410 * @param string $handle The style's registered handle. |
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411 */ |
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412 $src = apply_filters( 'style_loader_src', $src, $handle ); |
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413 return esc_url( $src ); |
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414 } |
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415 |
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416 /** |
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417 * Whether a handle's source is in a default directory. |
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418 * |
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419 * @since 2.8.0 |
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420 * |
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421 * @param string $src The source of the enqueued style. |
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422 * @return bool True if found, false if not. |
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423 */ |
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424 public function in_default_dir( $src ) { |
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425 if ( ! $this->default_dirs ) { |
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426 return true; |
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427 } |
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428 |
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429 foreach ( (array) $this->default_dirs as $test ) { |
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430 if ( 0 === strpos( $src, $test ) ) { |
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431 return true; |
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432 } |
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433 } |
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434 return false; |
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435 } |
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436 |
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437 /** |
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438 * Processes items and dependencies for the footer group. |
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439 * |
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440 * HTML 5 allows styles in the body, grab late enqueued items and output them in the footer. |
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441 * |
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442 * @since 3.3.0 |
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443 * |
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444 * @see WP_Dependencies::do_items() |
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445 * |
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446 * @return string[] Handles of items that have been processed. |
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447 */ |
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448 public function do_footer_items() { |
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449 $this->do_items( false, 1 ); |
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450 return $this->done; |
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451 } |
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452 |
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453 /** |
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454 * Resets class properties. |
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455 * |
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456 * @since 3.3.0 |
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457 */ |
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458 public function reset() { |
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459 $this->do_concat = false; |
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460 $this->concat = ''; |
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461 $this->concat_version = ''; |
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462 $this->print_html = ''; |
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463 } |
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464 } |
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