Implement XEP-0447: Stateless file sharing

1 files changed, 27 insertions, 0 deletions

diff --git a/main/src/ui/util/file_metadata_providers.vala b/main/src/ui/util/file_metadata_providers.vala
new file mode 100644
index 00000000..9e8d9640
--- /dev/null
+++ b/main/src/ui/util/file_metadata_providers.vala
@@ -0,0 +1,27 @@
+using Dino.Entities;
+using Xmpp;
+using Xmpp.Xep;
+using Gtk;
+
+namespace Dino.Ui.Util {
+
+public class AudioVideoFileMetadataProvider: Dino.FileMetadataProvider, Object {
+    public bool supports_file(File file) {
+        string? mime_type = file.query_info("*", FileQueryInfoFlags.NONE).get_content_type();
+        if (mime_type == null) {
+            return false;
+        }
+        return mime_type.has_prefix("audio") || mime_type.has_prefix("video");
+    }
+
+    public async void fill_metadata(File file, Xep.FileMetadataElement.FileMetadata metadata) {
+        MediaFile media = MediaFile.for_file(file);
+        media.notify["prepared"].connect((object, pspec) => {
+            Idle.add(fill_metadata.callback);
+        });
+        yield;
+        metadata.length = media.duration / 1000;
+    }
+}
+
+}
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