add refused-to-display tips in link-preview-overlay

2016-05-02 01:42:11 +08:00
parent 3d49b1dea3
commit e2a8634057
2 changed files with 13 additions and 0 deletions
--- a/js/reveal.js
+++ b/js/reveal.js
@ -1500,6 +1500,9 @@
 			'<div class="spinner"></div>',
 			'<div class="viewport">',
 				'<iframe src="'+ url +'"></iframe>',
+				'<small class="viewport-inner">',
+				'This link is refused to display in a frame due to its policy',
+				'</small>',
 			'</div>'
 		].join('');