Merge remote-tracking branch 'upstream/develop' into 1610-performance

[friendica.git] / include / oembed.php

diff --git a/include/oembed.php b/include/oembed.php
index c362ab45e6516fd31c9a0078a9067a6f5c12f6f0..898d900f43bf86759188d917b807918f37718182 100755 (executable)
--- a/include/oembed.php
+++ b/include/oembed.php
@@ -209,25 +209,34 @@ function oembed_format_object($j){
        return mb_convert_encoding($ret, 'HTML-ENTITIES', mb_detect_encoding($ret));
 }
 
-function oembed_iframe($src,$width,$height) {
-
-       if(! $width || strstr($width,'%'))
-               $width = '640';
-       if(! $height || strstr($height,'%')) {
-               $height = '300';
-               $resize = 'onload="resizeIframe(this);"';
-       } else
-               $resize = '';
-
-       // try and leave some room for the description line.
-       $height = intval($height) + 80;
-       $width  = intval($width) + 40;
+/**
+ * @brief Generates the iframe HTML for an oembed attachment.
+ *
+ * Width and height are given by the remote, and are regularly too small for
+ * the generated iframe.
+ *
+ * The width is entirely discarded for the actual width of the post, while fixed
+ * height is used as a starting point before the inevitable resizing.
+ *
+ * Since the iframe is automatically resized on load, there are no need for ugly
+ * and impractical scrollbars.
+ *
+ * @param string $src Original remote URL to embed
+ * @param string $width
+ * @param string $height
+ * @return string formatted HTML
+ *
+ * @see oembed_format_object()
+ */
+function oembed_iframe($src, $width, $height) {
+       if (!$height || strstr($height,'%')) {
+               $height = '200';
+       }
+       $width = '100%';
 
        $a = get_app();
-
-       $s = $a->get_baseurl()."/oembed/".base64url_encode($src);
-       return '<iframe '.$resize.' class="embed_rich" height="'.$height.'" width="'.$width.'" src="'.$s.'" frameborder="no">'.t('Embedded content').'</iframe>';
-
+       $s = $a->get_baseurl() . '/oembed/'.base64url_encode($src);
+       return '<iframe onload="resizeIframe(this);" class="embed_rich" height="' . $height . '" width="' . $width . '" src="' . $s . '" scrolling="no" frameborder="no">' . t('Embedded content') . '</iframe>';
 }