Address comments from @rullzer:

 - implement isAvailable
 - run tests only if ImageMagick with HEIC support is available in the
   environment

Signed-off-by: Sebastian Steinmetz <me@sebastiansteinmetz.ch>

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/private/Preview/HEIC.php b/lib/private/Preview/HEIC.php
index 9057596847c..151326129bc 100644
--- a/lib/private/Preview/HEIC.php
+++ b/lib/private/Preview/HEIC.php
@@ -29,4 +29,12 @@ class HEIC extends Bitmap {
 	public function getMimeType() {
 		return '/image\/hei(f|c)/';
 	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	public function isAvailable(\OCP\Files\FileInfo $file) {
+		return in_array("HEIC", \Imagick::queryFonts("HEI*") );
+	}
+
 }