dekstop: Support `quit` and `fullscreen` fscommands

desktop/src/backends.rs

@@ -1,11 +1,13 @@
 mod audio;
 mod external_interface;
+mod fscommand;
 mod navigator;
 mod storage;
 mod ui;
 
 pub use audio::CpalAudioBackend;
 pub use external_interface::DesktopExternalInterfaceProvider;
+pub use fscommand::DesktopFSCommandProvider;
 pub use navigator::ExternalNavigatorBackend;
 pub use storage::DiskStorageBackend;
 pub use ui::DesktopUiBackend;

desktop/src/backends/fscommand.rs

@@ -0,0 +1,33 @@
+use crate::custom_event::RuffleEvent;
+
+use ruffle_core::external::FsCommandProvider;
+use std::rc::Rc;
+use winit::event_loop::EventLoopProxy;
+use winit::window::{Fullscreen, Window};
+
+pub struct DesktopFSCommandProvider {
+    pub event_loop: EventLoopProxy<RuffleEvent>,
+    pub window: Rc<Window>,
+}
+
+impl FsCommandProvider for DesktopFSCommandProvider {
+    fn on_fs_command(&self, command: &str, args: &str) -> bool {
+        match command {
+            "quit" => {
+                let _ = self.event_loop.send_event(RuffleEvent::ExitRequested);
+            }
+            "fullscreen" => {
+                match args {
+                    "true" => self
+                        .window
+                        .set_fullscreen(Some(Fullscreen::Borderless(None))),
+                    "false" => self.window.set_fullscreen(None),
+                    _ => {}
+                };
+            }
+            _ => return false,
+        };
+
+        true
+    }
+}

desktop/src/player.rs

@@ -1,6 +1,6 @@
 use crate::backends::{
-    CpalAudioBackend, DesktopExternalInterfaceProvider, DesktopUiBackend, DiskStorageBackend,
-    ExternalNavigatorBackend,
+    CpalAudioBackend, DesktopExternalInterfaceProvider, DesktopFSCommandProvider, DesktopUiBackend,
+    DiskStorageBackend, ExternalNavigatorBackend,
 };
 use crate::cli::Opt;
 use crate::custom_event::RuffleEvent;
@@ -143,6 +143,10 @@ impl ActivePlayer {
             .with_navigator(navigator)
             .with_renderer(renderer)
             .with_storage(DiskStorageBackend::new().expect("Couldn't create storage backend"))
+            .with_fs_commands(Box::new(DesktopFSCommandProvider {
+                event_loop: event_loop.clone(),
+                window: window.clone(),
+            }))
             .with_ui(
                 DesktopUiBackend::new(window.clone(), opt.open_url_mode)
                     .expect("Couldn't create ui backend"),