From 3a87c4a134cc702dc01ca1e39faab93253e3d195 Mon Sep 17 00:00:00 2001
From: Javier <dev.git@javispedro.com>
Date: Sun, 15 Feb 2015 03:15:17 +0100
Subject: use libunique-1.0 to force a unique instance

---
 gplay.c | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 59 insertions(+), 9 deletions(-)

(limited to 'gplay.c')

diff --git a/gplay.c b/gplay.c
index f531414..09368fc 100644
--- a/gplay.c
+++ b/gplay.c
@@ -5,6 +5,7 @@
 #include <gdk/gdkx.h>
 #include <gst/gst.h>
 #include <gst/video/videooverlay.h>
+#include <unique/unique.h>
 
 static GtkWindow *main_win =  NULL;
 static GtkWidget *video_widget;
@@ -427,6 +428,28 @@ static gboolean main_win_handle_key_press(GtkWidget *widget, GdkEventKey *event,
 	}
 }
 
+static UniqueResponse app_handle_message_received(UniqueApp *app, gint command, UniqueMessageData *data, guint timestamp, gpointer user_data)
+{
+	switch (command) {
+	case UNIQUE_ACTIVATE:
+		gtk_window_present_with_time(main_win, timestamp);
+		return UNIQUE_RESPONSE_OK;
+	case UNIQUE_OPEN:
+		if (data) {
+			gchar **uris = unique_message_data_get_uris(data);
+			if (uris && uris[0]) {
+				open_media(uris[0]);
+				play_media();
+				return UNIQUE_RESPONSE_OK;
+			}
+		}
+
+		/* Fallthrough */
+	default:
+		return UNIQUE_RESPONSE_FAIL;
+	}
+}
+
 static void create_ui()
 {
 	main_win = GTK_WINDOW(gtk_window_new(GTK_WINDOW_TOPLEVEL));
@@ -493,6 +516,11 @@ static void create_ui()
 	gtk_container_add(GTK_CONTAINER(slider_tool), GTK_WIDGET(slider_widget));
 	gtk_toolbar_insert(toolbar, slider_tool, -1);
 
+	const GtkTargetEntry drop_targets[] = {{ "text/uri-list", 0, 0 }};
+	gtk_drag_dest_set(GTK_WIDGET(main_win), GTK_DEST_DEFAULT_ALL,
+	                  drop_targets, G_N_ELEMENTS(drop_targets),
+	                  GDK_ACTION_DEFAULT);
+
 	gtk_window_set_default_size(main_win, 350, 20);
 
 	gtk_widget_show_all(GTK_WIDGET(vbox));
@@ -521,7 +549,9 @@ int main(int argc, char **argv)
 {
 	GOptionContext *ctx = g_option_context_new(_(" - simple gtk media player"));
 	gchar **filenames = NULL;
+	gboolean new_instance = FALSE;
 	const GOptionEntry entries[] = {
+	    { "new", 'n', 0, G_OPTION_ARG_NONE, &new_instance, NULL },
 	    { G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &filenames, NULL },
 	    { NULL }
 	};
@@ -541,25 +571,45 @@ int main(int argc, char **argv)
 
 	g_option_context_free(ctx);
 
-	create_ui();
-	create_gst();
+	UniqueApp *app = unique_app_new("com.javispedro.gplay", NULL);
 
-	if (filenames && *filenames) {
+	gchar *uri = NULL;
+	if (filenames && filenames[0]) {
 		const char *file = filenames[0];
 		if (gst_uri_is_valid(file)) {
-			open_media(file);
+			uri = g_strdup(file);
 		} else {
-			char *uri = gst_filename_to_uri(file, &error);
-			if (uri) {
-				open_media(uri);
-				g_free(uri);
-			} else {
+			uri = gst_filename_to_uri(file, &error);
+			if (!uri) {
 				g_printerr("Invalid filename '%s':%s", file, error->message);
 				g_error_free(error);
 				return EXIT_FAILURE;
 			}
 		}
+	}
+
+	if (unique_app_is_running(app) & !new_instance && uri) {
+		UniqueMessageData *data = unique_message_data_new();
+		gchar *uris[] = { uri, NULL };
+
+		unique_message_data_set_uris(data,  uris);
+
+		if (unique_app_send_message(app, UNIQUE_OPEN, data) == UNIQUE_RESPONSE_OK) {
+			g_free(uri);
+			return EXIT_SUCCESS;
+		}
+	}
+
+	g_signal_connect(app, "message-received",
+	                 G_CALLBACK(app_handle_message_received), NULL);
+
+	create_ui();
+	create_gst();
+
+	if (uri) {
+		open_media(uri);
 		play_media();
+		g_free(uri);
 	}
 
 	gtk_widget_show(GTK_WIDGET(main_win));
-- 
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