event-actions: Implement save for media files

Part-of: <https://gitlab.gnome.org/GNOME/fractal/-/merge_requests/1115>

data/resources/ui/event-menu.ui

@@ -47,6 +47,16 @@
         <attribute name="action">event.save-image</attribute>
         <attribute name="hidden-when">action-missing</attribute>
       </item>
+      <item>
+        <attribute name="label" translatable="yes">S_ave Video</attribute>
+        <attribute name="action">event.save-video</attribute>
+        <attribute name="hidden-when">action-missing</attribute>
+      </item>
+      <item>
+        <attribute name="label" translatable="yes">S_ave Audio</attribute>
+        <attribute name="action">event.save-audio</attribute>
+        <attribute name="hidden-when">action-missing</attribute>
+      </item>
       <item>
         <attribute name="label" translatable="yes">_Permalink</attribute>
         <attribute name="action">event.permalink</attribute>
@@ -78,6 +88,16 @@
         <attribute name="action">event.save-image</attribute>
         <attribute name="hidden-when">action-missing</attribute>
       </item>
+      <item>
+        <attribute name="label" translatable="yes">S_ave Video</attribute>
+        <attribute name="action">event.save-video</attribute>
+        <attribute name="hidden-when">action-missing</attribute>
+      </item>
+      <item>
+        <attribute name="label" translatable="yes">S_ave Audio</attribute>
+        <attribute name="action">event.save-audio</attribute>
+        <attribute name="hidden-when">action-missing</attribute>
+      </item>
     </section>
   </menu>
   <menu id="state_menu_model">

src/session/room/event.rs

@@ -615,6 +615,7 @@ impl Event {
     /// - File message (`MessageType::File`).
     /// - Image message (`MessageType::Image`).
     /// - Video message (`MessageType::Video`).
+    /// - Audio message (`MessageType::Audio`).
     ///
     /// Returns `Ok((uid, filename, binary_content))` on success, `Err` if an
     /// error occurred while fetching the content. Panics on an incompatible
@@ -679,6 +680,23 @@ impl Event {
                     let data = handle.await.unwrap()?.unwrap();
                     return Ok((uid, filename, data));
                 }
+                MessageType::Audio(content) => {
+                    let uid = media_type_uid(content.source());
+                    let filename = if content.body.is_empty() {
+                        filename_for_mime(
+                            content
+                                .info
+                                .as_ref()
+                                .and_then(|info| info.mimetype.as_deref()),
+                            Some(mime::AUDIO),
+                        )
+                    } else {
+                        content.body.clone()
+                    };
+                    let handle = spawn_tokio!(async move { client.get_file(content, true).await });
+                    let data = handle.await.unwrap()?.unwrap();
+                    return Ok((uid, filename, data));
+                }
                 _ => {}
             };
         };

src/session/room/event_actions.rs

@@ -174,6 +174,33 @@ where
                         })
                     );
                 }
+                MessageType::Image(_) => {
+                    gtk_macros::action!(
+                        &action_group,
+                        "save-image",
+                        clone!(@weak self as widget, @weak event => move |_, _| {
+                            widget.save_event_file(event);
+                        })
+                    );
+                }
+                MessageType::Video(_) => {
+                    gtk_macros::action!(
+                        &action_group,
+                        "save-video",
+                        clone!(@weak self as widget, @weak event => move |_, _| {
+                            widget.save_event_file(event);
+                        })
+                    );
+                }
+                MessageType::Audio(_) => {
+                    gtk_macros::action!(
+                        &action_group,
+                        "save-audio",
+                        clone!(@weak self as widget, @weak event => move |_, _| {
+                            widget.save_event_file(event);
+                        })
+                    );
+                }
                 _ => {}
             }
         }