feat: redirect to the mime icon if no preview available

Signed-off-by: John Molakvoæ <skjnldsv@protonmail.com>

2 files changed, 43 insertions, 0 deletions

diff --git a/lib/public/Files/IMimeTypeDetector.php b/lib/public/Files/IMimeTypeDetector.php
index 11ba5cfc95f..9992c153edc 100644
--- a/lib/public/Files/IMimeTypeDetector.php
+++ b/lib/public/Files/IMimeTypeDetector.php
@@ -82,4 +82,10 @@ interface IMimeTypeDetector {
 	 * @since 8.2.0
 	 */
 	public function mimeTypeIcon($mimeType);
+
+	/**
+	 * @return string[]
+	 * @since 28.0.0
+	 */
+	public function getAllAliases(): array;
 }
diff --git a/lib/public/Preview/IMimeIconProvider.php b/lib/public/Preview/IMimeIconProvider.php
new file mode 100644
index 00000000000..cb397ddfda7
--- /dev/null
+++ b/lib/public/Preview/IMimeIconProvider.php
@@ -0,0 +1,37 @@
+<?php
+/**
+ * @copyright Copyright (c) 2023 John Molakvoæ <skjnldsv@protonmail.com>
+ *
+ * @author John Molakvoæ <skjnldsv@protonmail.com>
+ *
+ * @license AGPL-3.0-or-later
+ *
+ * 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 OCP\Preview;
+
+/**
+ * Interface IMimeIconProvider
+ *
+ * @since 28.0.0
+ */
+interface IMimeIconProvider {
+	/**
+	 * Get the URL to the icon for the given mime type
+	 * Used by the preview provider to show a mime icon
+	 * if no preview is available.
+	 * @since 28.0.0
+	 */
+	public function getMimeIconUrl(string $mime): string|null;
+}