Add autoplay setting for galleria (ref #520)

src/sigal/settings.py

@@ -30,6 +30,7 @@ _DEFAULT_CONFIG = {
     "albums_sort_attr": "name",
     "albums_sort_reverse": False,
     "autorotate_images": True,
+    "autoplay": False,
     "colorbox_column_size": 3,
     "copy_exif_data": False,
     "datetime_format": "%c",

src/sigal/templates/sigal.conf.py

@@ -39,6 +39,9 @@ theme = "galleria"
 # Path to a CSS file that can be used to customize themes
 # user_css =
 
+# Enable autoplay (galleria only)
+# autoplay = False
+
 # ----------------
 # Image processing (ignored if use_orig = True)
 # ----------------

src/sigal/themes/galleria/templates/album_items.html

@@ -93,6 +93,7 @@
     });
 
     Galleria.configure({
+        {% if settings.autoplay %}autoplay: true,{% endif %}
         imageCrop: false,
         transition: "fade",
         thumbnails: "lazy"