Develop HEIC/HEIF preview support #7406

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

lib/composer/composer/autoload_classmap.php

@@ -856,6 +856,7 @@ return array(
     'OC\\Preview\\GIF' => $baseDir . '/lib/private/Preview/GIF.php',
     'OC\\Preview\\Generator' => $baseDir . '/lib/private/Preview/Generator.php',
     'OC\\Preview\\GeneratorHelper' => $baseDir . '/lib/private/Preview/GeneratorHelper.php',
+    'OC\\Preview\\HEIC' => $baseDir . '/lib/private/Preview/HEIC.php',
     'OC\\Preview\\Illustrator' => $baseDir . '/lib/private/Preview/Illustrator.php',
     'OC\\Preview\\Image' => $baseDir . '/lib/private/Preview/Image.php',
     'OC\\Preview\\JPEG' => $baseDir . '/lib/private/Preview/JPEG.php',

lib/composer/composer/autoload_static.php

@@ -886,6 +886,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\Preview\\GIF' => __DIR__ . '/../../..' . '/lib/private/Preview/GIF.php',
         'OC\\Preview\\Generator' => __DIR__ . '/../../..' . '/lib/private/Preview/Generator.php',
         'OC\\Preview\\GeneratorHelper' => __DIR__ . '/../../..' . '/lib/private/Preview/GeneratorHelper.php',
+        'OC\\Preview\\HEIC' => __DIR__ . '/../../..' . '/lib/private/Preview/HEIC.php',
         'OC\\Preview\\Illustrator' => __DIR__ . '/../../..' . '/lib/private/Preview/Illustrator.php',
         'OC\\Preview\\Image' => __DIR__ . '/../../..' . '/lib/private/Preview/Image.php',
         'OC\\Preview\\JPEG' => __DIR__ . '/../../..' . '/lib/private/Preview/JPEG.php',

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)/';
+	}
+}

lib/private/PreviewManager.php

@@ -278,6 +278,7 @@ class PreviewManager implements IPreview {
 	 *  - 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 @@ class PreviewManager implements IPreview {
 			Preview\JPEG::class,
 			Preview\GIF::class,
 			Preview\BMP::class,
+			Preview\HEIC::class,
 			Preview\XBitmap::class
 		];
 
@@ -370,6 +372,7 @@ class PreviewManager implements IPreview {
 				'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) {

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"],