+ /**
+ * The material is an image, and is animated.
+ * In particular, video material need not return true.
+ * @note Before 1.20, this was a method of ImageHandler only
+ * @return bool
+ */
+ function isAnimatedImage( $file ) { return false; }
+ /**
+ * If the material is animated, we can animate the thumbnail
+ * @since 1.20
+ * @return bool If material is not animated, handler may return any value.
+ */
+ function canAnimateThumbnail( $file ) { return true; }