Open new file in the same window. Closes #31

clapper_src/app.js

@@ -1,4 +1,4 @@
-const { GObject } = imports.gi;
+const { Gio, GObject } = imports.gi;
 const { AppBase } = imports.clapper_src.appBase;
 const { HeaderBar } = imports.clapper_src.headerbar;
 const { Widget } = imports.clapper_src.widget;
@@ -9,6 +9,17 @@ let { debug } = Debug;
 var App = GObject.registerClass(
 class ClapperApp extends AppBase
 {
+    _init()
+    {
+        super._init();
+
+        this.set_flags(
+            this.get_flags()
+            | Gio.ApplicationFlags.HANDLES_OPEN
+        );
+        this.playlist = [];
+    }
+
     vfunc_startup()
     {
         super.vfunc_startup();
@@ -27,13 +38,22 @@ class ClapperApp extends AppBase
         debug(`restored window size: ${size[0]}x${size[1]}`);
     }
 
+    vfunc_open(files, hint)
+    {
+        super.vfunc_open(files, hint);
+
+        this.playlist = files;
+        this._handleAppStart();
+    }
+
     _onWindowShow(window)
     {
         super._onWindowShow(window);
 
-        if(this.playlist.length) {
-            let { player } = window.get_child();
-            player.set_playlist(this.playlist);
-        }
+        if(!this.playlist.length)
+            return;
+
+        let { player } = window.get_child();
+        player.set_playlist(this.playlist);
     }
 });