WordPress 4.4.1
[autoinstalls/wordpress.git] / wp-includes / embed-template.php
1 <?php
2 /**
3  * Contains the post embed template.
4  *
5  * When a post is embedded in an iframe, this file is used to
6  * create the output.
7  *
8  * @package WordPress
9  * @subpackage oEmbed
10  * @since 4.4.0
11  */
12
13 if ( ! headers_sent() ) {
14         header( 'X-WP-embed: true' );
15 }
16
17 ?>
18 <!DOCTYPE html>
19 <html <?php language_attributes(); ?> class="no-js">
20 <head>
21         <title><?php echo wp_get_document_title(); ?></title>
22         <meta http-equiv="X-UA-Compatible" content="IE=edge">
23         <?php
24         /**
25          * Print scripts or data in the embed template <head> tag.
26          *
27          * @since 4.4.0
28          */
29         do_action( 'embed_head' );
30         ?>
31 </head>
32 <body <?php body_class(); ?>>
33 <?php
34 if ( have_posts() ) :
35         while ( have_posts() ) : the_post();
36                 // Add post thumbnail to response if available.
37                 $thumbnail_id = false;
38
39                 if ( has_post_thumbnail() ) {
40                         $thumbnail_id = get_post_thumbnail_id();
41                 }
42
43                 if ( 'attachment' === get_post_type() && wp_attachment_is_image() ) {
44                         $thumbnail_id = get_the_ID();
45                 }
46
47                 if ( $thumbnail_id ) {
48                         $aspect_ratio = 1;
49                         $measurements = array( 1, 1 );
50                         $image_size   = 'full'; // Fallback.
51
52                         $meta = wp_get_attachment_metadata( $thumbnail_id );
53                         if ( ! empty( $meta['sizes'] ) ) {
54                                 foreach ( $meta['sizes'] as $size => $data ) {
55                                         if ( $data['width'] / $data['height'] > $aspect_ratio ) {
56                                                 $aspect_ratio = $data['width'] / $data['height'];
57                                                 $measurements = array( $data['width'], $data['height'] );
58                                                 $image_size   = $size;
59                                         }
60                                 }
61                         }
62
63                         /**
64                          * Filter the thumbnail image size for use in the embed template.
65                          *
66                          * @since 4.4.0
67                          *
68                          * @param string $image_size Thumbnail image size.
69                          */
70                         $image_size = apply_filters( 'embed_thumbnail_image_size', $image_size );
71
72                         $shape = $measurements[0] / $measurements[1] >= 1.75 ? 'rectangular' : 'square';
73
74                         /**
75                          * Filter the thumbnail shape for use in the embed template.
76                          *
77                          * Rectangular images are shown above the title
78                          * while square images are shown next to the content.
79                          *
80                          * @since 4.4.0
81                          *
82                          * @param string $shape Thumbnail image shape. Either 'rectangular' or 'square'.
83                          */
84                         $shape = apply_filters( 'embed_thumbnail_image_shape', $shape );
85                 }
86                 ?>
87                 <div <?php post_class( 'wp-embed' ); ?>>
88                         <?php if ( $thumbnail_id && 'rectangular' === $shape ) : ?>
89                                 <div class="wp-embed-featured-image rectangular">
90                                         <a href="<?php the_permalink(); ?>" target="_top">
91                                                 <?php echo wp_get_attachment_image( $thumbnail_id, $image_size ); ?>
92                                         </a>
93                                 </div>
94                         <?php endif; ?>
95
96                         <p class="wp-embed-heading">
97                                 <a href="<?php the_permalink(); ?>" target="_top">
98                                         <?php the_title(); ?>
99                                 </a>
100                         </p>
101
102                         <?php if ( $thumbnail_id && 'square' === $shape ) : ?>
103                                 <div class="wp-embed-featured-image square">
104                                         <a href="<?php the_permalink(); ?>" target="_top">
105                                                 <?php echo wp_get_attachment_image( $thumbnail_id, $image_size ); ?>
106                                         </a>
107                                 </div>
108                         <?php endif; ?>
109
110                         <div class="wp-embed-excerpt"><?php the_excerpt_embed(); ?></div>
111
112                         <?php
113                         /**
114                          * Print additional content after the embed excerpt.
115                          *
116                          * @since 4.4.0
117                          */
118                         do_action( 'embed_content' );
119                         ?>
120
121                         <div class="wp-embed-footer">
122                                 <div class="wp-embed-site-title">
123                                         <?php
124                                         $site_title = sprintf(
125                                                 '<a href="%s" target="_top"><img src="%s" srcset="%s 2x" width="32" height="32" alt="" class="wp-embed-site-icon"/><span>%s</span></a>',
126                                                 esc_url( home_url() ),
127                                                 esc_url( get_site_icon_url( 32, admin_url( 'images/w-logo-blue.png' ) ) ),
128                                                 esc_url( get_site_icon_url( 64, admin_url( 'images/w-logo-blue.png' ) ) ),
129                                                 esc_html( get_bloginfo( 'name' ) )
130                                         );
131
132                                         /**
133                                          * Filter the site title HTML in the embed footer.
134                                          *
135                                          * @since 4.4.0
136                                          *
137                                          * @param string $site_title The site title HTML.
138                                          */
139                                         echo apply_filters( 'embed_site_title_html', $site_title );
140                                         ?>
141                                 </div>
142
143                                 <div class="wp-embed-meta">
144                                         <?php
145                                         /**
146                                          * Print additional meta content in the embed template.
147                                          *
148                                          * @since 4.4.0
149                                          */
150                                         do_action( 'embed_content_meta');
151                                         ?>
152                                 </div>
153                         </div>
154                 </div>
155                 <?php
156         endwhile;
157 else :
158         ?>
159         <div class="wp-embed">
160                 <p class="wp-embed-heading"><?php _e( 'Oops! That embed can&#8217;t be found.' ); ?></p>
161
162                 <div class="wp-embed-excerpt">
163                         <p>
164                                 <?php
165                                 printf(
166                                         /* translators: %s: a link to the embedded site */
167                                         __( 'It looks like nothing was found at this location. Maybe try visiting %s directly?' ),
168                                         '<strong><a href="' . esc_url( home_url() ) . '">' . esc_html( get_bloginfo( 'name' ) ) . '</a></strong>'
169                                 );
170                                 ?>
171                         </p>
172                 </div>
173
174                 <div class="wp-embed-footer">
175                         <div class="wp-embed-site-title">
176                                 <?php
177                                 $site_title = sprintf(
178                                         '<a href="%s" target="_top"><img src="%s" srcset="%s 2x" width="32" height="32" alt="" class="wp-embed-site-icon"/><span>%s</span></a>',
179                                         esc_url( home_url() ),
180                                         esc_url( get_site_icon_url( 32, admin_url( 'images/w-logo-blue.png' ) ) ),
181                                         esc_url( get_site_icon_url( 64, admin_url( 'images/w-logo-blue.png' ) ) ),
182                                         esc_html( get_bloginfo( 'name' ) )
183                                 );
184
185                                 /** This filter is documented in wp-includes/embed-template.php */
186                                 echo apply_filters( 'embed_site_title_html', $site_title );
187                                 ?>
188                         </div>
189                 </div>
190         </div>
191         <?php
192 endif;
193
194 /**
195  * Print scripts or data before the closing body tag in the embed template.
196  *
197  * @since 4.4.0
198  */
199 do_action( 'embed_footer' );
200 ?>
201 </body>
202 </html>