Open files via native file chooser

clapper_src/filechooser.js

@@ -0,0 +1,46 @@
+const { Gio, GObject, Gtk } = imports.gi;
+
+var FileChooser = GObject.registerClass(
+class ClapperFileChooser extends Gtk.FileChooserNative
+{
+    _init(window, appName)
+    {
+        super._init({
+            transient_for: window,
+        });
+
+        let filter = new Gtk.FileFilter({
+            name: 'Media Files',
+        });
+        filter.add_mime_type('video/*');
+        filter.add_mime_type('audio/*');
+        filter.add_mime_type('application/claps');
+        this.add_filter(filter);
+
+        this.responseSignal = this.connect('response', this._onResponse.bind(this));
+    }
+
+    present()
+    {
+        /* File chooser closes itself when nobody is holding its ref */
+        this.ref();
+
+        super.show();
+    }
+
+    _onResponse(filechooser, response)
+    {
+        this.disconnect(this.responseSignal);
+        this.responseSignal = null;
+
+        if(response === Gtk.ResponseType.ACCEPT) {
+            let file = this.get_file();
+            let { player } = this.get_transient_for().get_child();
+
+            player.set_media(file.get_uri());
+        }
+
+        this.unref();
+        this.run_dispose();
+    }
+});