| 1 |
<?php |
| 2 |
/** |
| 3 |
* Lytro.com Short Code |
| 4 |
* |
| 5 |
* Format: |
| 6 |
* [lytro photo='202' show_arrow='true' show_border='true' show_first_time_user='true' allow_full_view='true'] |
| 7 |
* [lytro username='lytroweb' photo='431119'] |
| 8 |
* |
| 9 |
* Legend: |
| 10 |
* username: the lytro.com username for newer embed format |
| 11 |
* photo: the ID or the URL of the photo on lytro.com |
| 12 |
* show_arrow: set to false to force-hide the menu in the lower right (not used in v2) |
| 13 |
* show_border: set to true to force-show the border |
| 14 |
* show_first_time_user: set to false to force-disable the first-time user experience (not used in v2) |
| 15 |
* allow_full_view: set to true to allow an external site to have a full-zoom mode (not used in v2) |
| 16 |
* enable_help: set to false to hide the question mark/help popup |
| 17 |
* |
| 18 |
* Output: |
| 19 |
* <iframe width="400" height="415" src="https://www.lytro.com/living-pictures/202/embed?showArrow=true&showBorder=true&showFTU=true" frameborder="0" allowfullscreen></iframe> |
| 20 |
* <iframe width="400" height="415" src="http://pictures.lytro.com/lytroweb/pictures/431119/embed" frameborder="0" allowfullscreen="" scrolling="no"></iframe> |
| 21 |
*/ |
| 22 |
|
| 23 |
/** |
| 24 |
* Lytro.com Short Code Attributes Definition |
| 25 |
* |
| 26 |
* This helper function returns an array all available |
| 27 |
* shortcode attributes, their validation method, default |
| 28 |
* value and more. |
| 29 |
* |
| 30 |
* Keys: |
| 31 |
* validate: a callable function or regular expression used to validate the input |
| 32 |
* default: default value for shortcode attribute |
| 33 |
* query_arg: the related lytro query argument name |
| 34 |
* |
| 35 |
* @since 4.5.0 |
| 36 |
*/ |
| 37 |
function jetpack_lytro_shortcode_attributes() { |
| 38 |
return array( |
| 39 |
'username' => array( |
| 40 |
'default' => '', |
| 41 |
), |
| 42 |
'photo' => array( // could be ID or URL, validated separately |
| 43 |
'default' => 0, |
| 44 |
), |
| 45 |
'width' => array( |
| 46 |
'validate' => '#^\d+$#', |
| 47 |
'default' => 400, |
| 48 |
), |
| 49 |
'height' => array( |
| 50 |
'validate' => '#^\d+$#', |
| 51 |
'default' => 415, |
| 52 |
), |
| 53 |
'show_arrow' => array( |
| 54 |
'query_arg' => 'showArrow', |
| 55 |
'validate' => '#^(true|false)$#', |
| 56 |
'default' => 'true', |
| 57 |
), |
| 58 |
'show_border' => array( |
| 59 |
'query_arg' => 'showBorder', |
| 60 |
'validate' => '#^(true|false)$#', |
| 61 |
'default' => 'true', |
| 62 |
), |
| 63 |
'show_first_time_user' => array( |
| 64 |
'query_arg' => 'showFTU', |
| 65 |
'validate' => '#^(true|false)$#', |
| 66 |
'default' => 'true', |
| 67 |
), |
| 68 |
'allow_full_view' => array( |
| 69 |
'query_arg' => 'allowFullView', |
| 70 |
'validate' => '#^(true|false)$#', |
| 71 |
'default' => 'true', |
| 72 |
), |
| 73 |
'enable_help' => array( |
| 74 |
'query_arg' => 'enableHelp', |
| 75 |
'validate' => '#^(true|false)$#', |
| 76 |
'default' => 'true', |
| 77 |
), |
| 78 |
'enable_attribution' => array( |
| 79 |
'query_arg' => 'enableAttribution', |
| 80 |
'validate' => '#^(true|false)$#', |
| 81 |
'default' => 'true', |
| 82 |
), |
| 83 |
'enable_logo' => array( |
| 84 |
'query_arg' => 'enableLogo', |
| 85 |
'validate' => '#^(true|false)$#', |
| 86 |
'default' => 'true', |
| 87 |
), |
| 88 |
'enable_fullscreen' => array( |
| 89 |
'query_arg' => 'enableFullscreen', |
| 90 |
'validate' => '#^(true|false)$#', |
| 91 |
'default' => 'true', |
| 92 |
), |
| 93 |
'enable_play' => array( |
| 94 |
'query_arg' => 'enablePlay', |
| 95 |
'validate' => '#^(true|false)$#', |
| 96 |
'default' => 'true', |
| 97 |
), |
| 98 |
'bg_color' => array( |
| 99 |
'query_arg' => 'bgColor', |
| 100 |
'validate' => '/^#(?:[0-9a-fA-F]{3}){1,2}$/', |
| 101 |
'default' => '', |
| 102 |
), |
| 103 |
); |
| 104 |
} |
| 105 |
|
| 106 |
/** |
| 107 |
* Lytro.com Shortcode |
| 108 |
* |
| 109 |
* Allows embedding Lytro "living pictures" using [lytro photo="200"] or |
| 110 |
* [lytro photo="http://www.lytro.com/..."]. Additional attributes |
| 111 |
* like show_border, show_arrow, etc have priority over the ones supplied |
| 112 |
* in the URL. |
| 113 |
* |
| 114 |
* @since 4.5.0 |
| 115 |
* |
| 116 |
* @param array $atts Shortcode attributes |
| 117 |
* |
| 118 |
* @uses jetpack_lytro_shortcode_attributes() |
| 119 |
* @return string Embed HTML or a <!-- commented out error --> |
| 120 |
*/ |
| 121 |
function jetpack_lytro_shortcode_handler( $atts ) { |
| 122 |
$defaults = array(); |
| 123 |
$attributes = jetpack_lytro_shortcode_attributes(); |
| 124 |
foreach ( $attributes as $key => $attribute ) { |
| 125 |
if ( isset( $attribute['default'] ) ) { |
| 126 |
$defaults[$key] = $attribute['default']; |
| 127 |
} |
| 128 |
} |
| 129 |
|
| 130 |
$atts = shortcode_atts( $defaults, $atts ); |
| 131 |
|
| 132 |
// There has to at least be a photo attribute. |
| 133 |
if ( empty( $atts['photo'] ) ) { |
| 134 |
return '<!-- Lytro Shortcode Error: No Photo ID/URL -->'; |
| 135 |
} |
| 136 |
|
| 137 |
// The photo attribute might be a URL |
| 138 |
if ( ! is_numeric( $atts['photo'] ) ) { |
| 139 |
$atts = array_merge( $atts, jetpack_lytro_shortcode_url_to_atts( $atts['photo'] ) ); |
| 140 |
} |
| 141 |
|
| 142 |
// Validate all attributes by callable function or regular expression. |
| 143 |
foreach ( $atts as $key => $value ) { |
| 144 |
$attribute = $attributes[$key]; |
| 145 |
if ( isset( $attribute['validate'] ) ) { |
| 146 |
$validate = $attribute['validate']; |
| 147 |
$valid = is_callable( $validate ) ? call_user_func( $validate, $value ) : preg_match( $validate, $value ); |
| 148 |
if ( ! $valid ) { |
| 149 |
$atts[$key] = $defaults[$key]; |
| 150 |
} |
| 151 |
} |
| 152 |
} |
| 153 |
|
| 154 |
// The photo attribute might have changed, make sure it's still valid. |
| 155 |
if ( ! is_numeric( $atts['photo'] ) || ! $atts['photo'] ) { |
| 156 |
return '<!-- Lytro Shortcode Error: Invalid Photo ID/URL -->'; |
| 157 |
} |
| 158 |
|
| 159 |
// Build a query which is then appended to the iframe src. |
| 160 |
$query_args = array(); |
| 161 |
foreach ( $atts as $key => $value ) { |
| 162 |
$attribute = $attributes[$key]; |
| 163 |
if ( isset( $attribute['query_arg'] ) && ! empty( $attribute['query_arg'] ) && ! empty( $value ) ) { |
| 164 |
$query_args[$attribute['query_arg']] = $value; |
| 165 |
} |
| 166 |
} |
| 167 |
|
| 168 |
if ( ! empty( $atts['username'] ) ) { |
| 169 |
$src = sprintf( 'https://pictures.lytro.com/%s/pictures/%d/embed', $atts['username'], $atts['photo'] ); |
| 170 |
} else { |
| 171 |
$src = sprintf( 'https://pictures.lytro.com/pictures/%d/embed', $atts['photo'] ); |
| 172 |
} |
| 173 |
|
| 174 |
// Add query args and build the iframe. |
| 175 |
$src = add_query_arg( $query_args, $src ); |
| 176 |
|
| 177 |
return '<iframe width="' . esc_attr( $atts['width'] ) . '" height="' . esc_attr( $atts['height'] ) . '" src="' . esc_url( $src ) . '" frameborder="0" allowfullscreen scrolling="no"></iframe>'; |
| 178 |
} |
| 179 |
|
| 180 |
add_shortcode( 'lytro', 'jetpack_lytro_shortcode_handler' ); |
| 181 |
|
| 182 |
/** |
| 183 |
* Lytro Shortcode URL to Shortcode Attributes |
| 184 |
* |
| 185 |
* This helper function parses a Lytro.com URL |
| 186 |
* and returns an attributes array. |
| 187 |
* |
| 188 |
* @since 4.5.0 |
| 189 |
* |
| 190 |
* @uses jetpack_lytro_shortcode_attributes() |
| 191 |
*/ |
| 192 |
function jetpack_lytro_shortcode_url_to_atts( $url ) { |
| 193 |
$attributes = jetpack_lytro_shortcode_attributes(); |
| 194 |
$atts = array(); |
| 195 |
|
| 196 |
$url = str_replace( '&', '&', $url ); |
| 197 |
|
| 198 |
if ( preg_match( '#^https?://(www\.)?lytro\.com/living-pictures/([0-9]+)/?#i', $url, $matches ) ) { |
| 199 |
$atts['photo'] = $matches[2]; |
| 200 |
} elseif ( preg_match( '#^https?://(www\.)?pictures\.lytro\.com/([^/]+)/pictures/([0-9]+)/?#i', $url, $matches ) ) { |
| 201 |
$atts['username'] = $matches[2]; |
| 202 |
$atts['photo'] = $matches[3]; |
| 203 |
} |
| 204 |
|
| 205 |
$url = parse_url( $url ); |
| 206 |
if ( isset( $url['query'] ) ) { |
| 207 |
parse_str( $url['query'], $qargs ); |
| 208 |
|
| 209 |
// Get the attributes with query_args and fill in the $atts array |
| 210 |
foreach ( $attributes as $key => $attribute ) { |
| 211 |
if ( isset( $attribute['query_arg'] ) && in_array( $attribute['query_arg'], array_keys( $qargs ) ) ) { |
| 212 |
$atts[$key] = $qargs[$attribute['query_arg']]; |
| 213 |
} |
| 214 |
} |
| 215 |
} |
| 216 |
|
| 217 |
return $atts; |
| 218 |
} |
| 219 |
|
| 220 |
/** |
| 221 |
* Lytro Shortcode Reversal |
| 222 |
* |
| 223 |
* Example |
| 224 |
* <iframe width="400" height="415" src="https://www.lytro.com/living-pictures/202/embed?showBorder=true" frameborder="0" allowfullscreen></iframe> |
| 225 |
* <iframe width="400" height="415" src="http://pictures.lytro.com/lytroweb/pictures/431128/embed" frameborder="0" allowfullscreen="" scrolling="no"></iframe> |
| 226 |
* |
| 227 |
* Converts to: |
| 228 |
* [lytro photo="202" show_border="true" width="400" height="415"] |
| 229 |
* |
| 230 |
* @since 4.5.0 |
| 231 |
* |
| 232 |
* @uses jetpack_lytro_shortcode_url_to_atts() |
| 233 |
* @uses wpcom_shortcodereverse_parseattr() |
| 234 |
*/ |
| 235 |
function wpcom_shortcodereverse_lytro( $atts ) { |
| 236 |
$atts = wpcom_shortcodereverse_parseattr( $atts ); |
| 237 |
$shortcode_atts = array(); |
| 238 |
|
| 239 |
// Grab the src URL and convert to shortcode attributes |
| 240 |
if ( $atts['src'] ) { |
| 241 |
$shortcode_atts = jetpack_lytro_shortcode_url_to_atts( $atts['src'] ); |
| 242 |
} |
| 243 |
|
| 244 |
// Width and height too |
| 245 |
if ( $atts['width'] ) { |
| 246 |
$shortcode_atts['width'] = $atts['width']; |
| 247 |
} |
| 248 |
if ( $atts['height'] ) { |
| 249 |
$shortcode_atts['height'] = $atts['height']; |
| 250 |
} |
| 251 |
|
| 252 |
// Generate the shortcode. |
| 253 |
$shortcode = ''; |
| 254 |
foreach ( $shortcode_atts as $key => $value ) { |
| 255 |
$shortcode .= " $key='" . esc_attr( $value ) . "'"; |
| 256 |
} |
| 257 |
$shortcode = "[lytro {$shortcode}]"; |
| 258 |
|
| 259 |
return $shortcode; |
| 260 |
} |
| 261 |
|
| 262 |
Filter_Embedded_HTML_Objects::register( '#^https?://(www\.)?lytro\.com/living-pictures/#i', 'wpcom_shortcodereverse_lytro', true ); |
| 263 |
Filter_Embedded_HTML_Objects::register( '#^https?://(www\.)?pictures\.lytro\.com/([^/]+)/pictures/([0-9]+)/embed#i', 'wpcom_shortcodereverse_lytro', true ); |
| 264 |
|
| 265 |
/** |
| 266 |
* Register Embed Handler |
| 267 |
* |
| 268 |
* Registers a WordPress Embed handler to allow embedding |
| 269 |
* Lytro images by publishing the Lytro URL on a line by itself. |
| 270 |
* |
| 271 |
* @since 4.5.0 |
| 272 |
* |
| 273 |
* @uses wp_embed_register_handler |
| 274 |
*/ |
| 275 |
function jetpack_lytro_register_embed_handler() { |
| 276 |
wp_embed_register_handler( 'lytro', '#^https?://(www\.)?lytro\.com/living-pictures/([0-9]+)/?#i', 'jetpack_lytro_embed_handler' ); |
| 277 |
wp_embed_register_handler( 'lytro-v2', '#^https?://(www\.)?pictures\.lytro\.com/([^/]+)/pictures/([0-9]+)/?#i', 'jetpack_lytro_embed_handler' ); |
| 278 |
} |
| 279 |
|
| 280 |
add_action( 'init', 'jetpack_lytro_register_embed_handler' ); |
| 281 |
|
| 282 |
/** |
| 283 |
* Lytro Embed Handler |
| 284 |
* |
| 285 |
* The embed handler function which converts a Lytro URL |
| 286 |
* on a line by itself into an embedded Lytro image. |
| 287 |
* |
| 288 |
* @since 4.5.0 |
| 289 |
* |
| 290 |
* @see jetpack_lytro_register_embed_handler |
| 291 |
* @uses jetpack_lytro_shortcode_url_to_atts |
| 292 |
* @uses jetpack_lytro_shortcode_handler |
| 293 |
*/ |
| 294 |
function jetpack_lytro_embed_handler( $matches, $attr, $url, $rawattr ) { |
| 295 |
return jetpack_lytro_shortcode_handler( jetpack_lytro_shortcode_url_to_atts( $url ) ); |
| 296 |
} |
| 297 |
|
