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Merge pull request #2824 from Hypolite/Issue-#2823

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Fix Issue #2823 - Ugly scrollbars in oembed iframes and broken resizing
This commit is contained in:
Michael Vogel 2016-10-01 10:40:08 +02:00 committed by GitHub
commit 40fbe1644d
3 changed files with 30 additions and 25 deletions
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41
include/oembed.php
View file

@ -209,25 +209,32 @@ 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;
/**
* 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 $height
* @return string
*
* @see oembed_format_object()
*/
function oembed_iframe($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>';
}

13
js/main.js
View file

@ -5,17 +5,14 @@
function _resizeIframe(obj, desth) {
var h = obj.style.height;
var ch = obj.contentWindow.document.body.scrollHeight + 'px';
if (h==ch) {
var ch = obj.contentWindow.document.body.scrollHeight;
if (h == (ch + 'px')) {
return;
}
//console.log("_resizeIframe", obj, desth, ch);
if (desth!=ch) {
setTimeout(_resizeIframe, 500, obj, ch);
} else {
if (ch>0) obj.style.height = ch;
setTimeout(_resizeIframe, 1000, obj, ch);
if (desth == ch && ch>0) {
obj.style.height = ch + 'px';
}
setTimeout(_resizeIframe, 100, obj, ch);
}
function openClose(theID) {

1
view/global.css
View file

@ -115,6 +115,7 @@ span.connector {
.embed_rich {
display: block;
transition: height .75s;
}
/* Shared Messages */