From 1c08712c39ad639753b56e9fbf79abf889275252 Mon Sep 17 00:00:00 2001
From: Sebastian Steinmetz <462714+steiny2k@users.noreply.github.com>
Date: Fri, 3 Aug 2018 15:33:58 +0200
Subject: [PATCH] Develop HEIC/HEIF preview support #7406

Signed-off-by: Sebastian Steinmetz <me@sebastiansteinmetz.ch>
---
 lib/private/Preview/HEIC.php               | 32 ++++++++++++++++++++++
 lib/private/PreviewManager.php             |  3 ++
 resources/config/mimetypemapping.dist.json |  2 ++
 3 files changed, 37 insertions(+)
 create mode 100644 lib/private/Preview/HEIC.php

diff --git a/lib/private/Preview/HEIC.php b/lib/private/Preview/HEIC.php
new file mode 100644
index 0000000000000..9057596847c45
--- /dev/null
+++ b/lib/private/Preview/HEIC.php
@@ -0,0 +1,32 @@
+<?php
+/**
+ * @author Thomas Müller <thomas.mueller@tmit.eu>
+ *
+ * @copyright Copyright (c) 2018, ownCloud GmbH
+ * @copyright Copyright (c) 2018, Sebastian Steinmetz (me@sebastiansteinmetz.ch)
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OC\Preview;
+
+class HEIC extends Bitmap {
+	/**
+	 * {@inheritDoc}
+	 */
+	public function getMimeType() {
+		return '/image\/hei(f|c)/';
+	}
+}
diff --git a/lib/private/PreviewManager.php b/lib/private/PreviewManager.php
index 979208d0aed3b..de03861badc69 100644
--- a/lib/private/PreviewManager.php
+++ b/lib/private/PreviewManager.php
@@ -278,6 +278,7 @@ public function isAvailable(\OCP\Files\FileInfo $file) {
 	 *  - OC\Preview\JPEG
 	 *  - OC\Preview\GIF
 	 *  - OC\Preview\BMP
+	 *  - OC\Preview\HEIC
 	 *  - OC\Preview\XBitmap
 	 *  - OC\Preview\MarkDown
 	 *  - OC\Preview\MP3
@@ -310,6 +311,7 @@ protected function getEnabledDefaultProvider() {
 			Preview\JPEG::class,
 			Preview\GIF::class,
 			Preview\BMP::class,
+			Preview\HEIC::class,
 			Preview\XBitmap::class
 		];
 
@@ -370,6 +372,7 @@ protected function registerCoreProviders() {
 				'PSD'	=> ['mimetype' => '/application\/x-photoshop/', 'class' => Preview\Photoshop::class],
 				'EPS'	=> ['mimetype' => '/application\/postscript/', 'class' => Preview\Postscript::class],
 				'TTF'	=> ['mimetype' => '/application\/(?:font-sfnt|x-font$)/', 'class' => Preview\Font::class],
+				'HEIC'  => ['mimetype' => '/image\/hei(f|c)/', 'class' => Preview\HEIC::class],
 			];
 
 			foreach ($imagickProviders as $queryFormat => $provider) {
diff --git a/resources/config/mimetypemapping.dist.json b/resources/config/mimetypemapping.dist.json
index e2771be6e89c3..614ac1a0ce793 100644
--- a/resources/config/mimetypemapping.dist.json
+++ b/resources/config/mimetypemapping.dist.json
@@ -62,6 +62,8 @@
 	"gz": ["application/x-gzip"],
 	"gzip": ["application/x-gzip"],
 	"h": ["text/x-h"],
+	"heic": ["image/heic"],
+	"heif": ["image/heif"],
 	"hh": ["text/x-h"],
 	"hpp": ["text/x-h"],
 	"htaccess": ["text/plain"],