Add Gtk app

clapper_src/player.js

@@ -0,0 +1,85 @@
+const { GLib, GObject, Gst, GstPlayer } = imports.gi;
+
+const DEFAULTS = {
+    position_update_interval: 1000,
+    seek_accurate: false,
+    user_agent: 'clapper',
+};
+
+var Player = GObject.registerClass(
+class ClapperPlayer extends GstPlayer.Player
+{
+    _init(opts)
+    {
+        opts = opts || {};
+        Object.assign(opts, DEFAULTS);
+
+        let gtkglsink = Gst.ElementFactory.make('gtkglsink', null);
+        let glsinkbin = Gst.ElementFactory.make('glsinkbin', null);
+        glsinkbin.sink = gtkglsink;
+
+        let dispatcher = new GstPlayer.PlayerGMainContextSignalDispatcher();
+        let renderer = new GstPlayer.PlayerVideoOverlayVideoRenderer({
+            video_sink: glsinkbin
+        });
+
+        super._init({
+            signal_dispatcher: dispatcher,
+            video_renderer: renderer
+        });
+
+        let config = this.get_config();
+
+        for(let setting of Object.keys(DEFAULTS))
+            GstPlayer.Player[`config_set_${setting}`](config, opts[setting]);
+
+        this.set_config(config);
+
+        this.loop = GLib.MainLoop.new(null, false);
+        this.widget = gtkglsink.widget;
+        this.state = GstPlayer.PlayerState.STOPPED;
+
+        this.connect('state_changed', this._onStateChanged.bind(this));
+        this.connect('uri_loaded', this._onUriLoaded.bind(this));
+        this.widget.connect('destroy', this._onWidgetDestroy.bind(this));
+    }
+
+    seek_seconds(position)
+    {
+        this.seek(position * 1000000000);
+    }
+
+    toggle_play()
+    {
+        let action = (this.state === GstPlayer.PlayerState.PLAYING)
+            ? 'pause'
+            : 'play';
+
+        this[action]();
+    }
+
+    _onStateChanged(player, state)
+    {
+        this.state = state;
+
+        if(
+            this.state === GstPlayer.PlayerState.STOPPED
+            && this.loop.is_running()
+        )
+            this.loop.quit();
+    }
+
+    _onUriLoaded()
+    {
+        this.play();
+
+        if(!this.loop.is_running())
+            this.loop.run();
+    }
+
+    _onWidgetDestroy()
+    {
+        if(this.state !== GstPlayer.PlayerState.STOPPED)
+            this.stop();
+    }
+});