Import upstream version 0.3.1

1 files changed, 230 insertions, 0 deletions

diff --git a/src/transport-widget.c b/src/transport-widget.c
new file mode 100644
index 0000000..c53513d
--- /dev/null
+++ b/src/transport-widget.c
@@ -0,0 +1,230 @@
+/*
+Copyright 2010 Canonical Ltd.
+
+Authors:
+    Conor Curran <conor.curran@canonical.com>
+
+This program is free software: you can redistribute it and/or modify it 
+under the terms of the GNU General Public License version 3, as published 
+by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful, but 
+WITHOUT ANY WARRANTY; without even the implied warranties of 
+MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR 
+PURPOSE.  See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along 
+with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <glib/gi18n.h>
+#include "transport-widget.h"
+#include "common-defs.h"
+#include <gtk/gtk.h>
+
+// TODO: think about leakage: ted !
+
+static DbusmenuMenuitem* twin_item;
+
+typedef struct _TransportWidgetPrivate TransportWidgetPrivate;
+
+struct _TransportWidgetPrivate
+{
+	GtkWidget* hbox;
+	GtkWidget* play_button;
+};
+
+enum {
+  PLAY,
+	PAUSE,
+  NEXT,
+	PREVIOUS,
+  LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+#define TRANSPORT_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TRANSPORT_WIDGET_TYPE, TransportWidgetPrivate))
+
+/* Gobject boiler plate */
+static void transport_widget_class_init (TransportWidgetClass *klass);
+static void transport_widget_init       (TransportWidget *self);
+static void transport_widget_dispose    (GObject *object);
+static void transport_widget_finalize   (GObject *object);
+
+/* UI and dbusmenu callbacks */
+static gboolean transport_widget_button_press_event 	(GtkWidget             *menuitem,
+                                                  		GdkEventButton        *event);
+static gboolean transport_widget_button_release_event (GtkWidget             *menuitem,
+                                                    	GdkEventButton        *event);
+
+static void transport_widget_property_update(DbusmenuMenuitem* item,
+                                       gchar * property, 
+                                       GValue * value,
+                                       gpointer userdata);
+// utility methods
+static gchar* transport_widget_toggle_play_label(const gchar* state);
+
+G_DEFINE_TYPE (TransportWidget, transport_widget, GTK_TYPE_MENU_ITEM);
+
+
+
+static void
+transport_widget_class_init (TransportWidgetClass *klass)
+{
+	GObjectClass 			*gobject_class = G_OBJECT_CLASS (klass);
+  GtkWidgetClass    *widget_class = GTK_WIDGET_CLASS (klass);
+
+  widget_class->button_press_event = transport_widget_button_press_event;
+  widget_class->button_release_event = transport_widget_button_release_event;
+	
+	g_type_class_add_private (klass, sizeof (TransportWidgetPrivate));
+
+	gobject_class->dispose = transport_widget_dispose;
+	gobject_class->finalize = transport_widget_finalize;
+
+  signals[PLAY] = g_signal_new ("play",
+                               G_OBJECT_CLASS_TYPE (gobject_class),
+                               G_SIGNAL_RUN_FIRST,
+                               0,
+                               NULL, NULL,
+                               g_cclosure_marshal_VOID__VOID,
+                               G_TYPE_NONE, 0);
+
+  signals[PAUSE] = g_signal_new ("pause",
+                               G_OBJECT_CLASS_TYPE (gobject_class),
+                               G_SIGNAL_RUN_FIRST,
+                               0,
+                               NULL, NULL,
+                               g_cclosure_marshal_VOID__VOID,
+                               G_TYPE_NONE, 0);
+
+
+	signals[NEXT] = g_signal_new ("next",
+                               G_OBJECT_CLASS_TYPE (gobject_class),
+                               G_SIGNAL_RUN_FIRST,
+                               0,
+                               NULL, NULL,
+                               g_cclosure_marshal_VOID__VOID,
+                               G_TYPE_NONE, 0);
+
+  signals[PREVIOUS] = g_signal_new ("previous",
+                               G_OBJECT_CLASS_TYPE (gobject_class),
+                               G_SIGNAL_RUN_FIRST,
+                               0,
+                               NULL, NULL,
+                               g_cclosure_marshal_VOID__VOID,
+                               G_TYPE_NONE, 0);	
+}
+
+static void
+transport_widget_init (TransportWidget *self)
+{
+	g_debug("TransportWidget::transport_widget_init");
+
+	TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE(self);
+	GtkWidget *hbox;
+
+	hbox = gtk_hbox_new(TRUE, 2);
+
+	gchar* label = ">";
+	if(dbusmenu_menuitem_property_get_bool(twin_item, DBUSMENU_TRANSPORT_MENUITEM_STATE) == TRUE){
+		label = "||";
+	}
+
+	priv->play_button =	gtk_button_new_with_label(g_strdup(label));
+	gtk_box_pack_start (GTK_BOX (hbox), priv->play_button, FALSE, TRUE, 0);
+
+	priv->hbox = hbox;
+	
+	g_signal_connect(G_OBJECT(twin_item), "property-changed", G_CALLBACK(transport_widget_property_update), self);
+
+	gtk_container_add (GTK_CONTAINER (self), priv->hbox);
+
+  gtk_widget_show_all (priv->hbox);
+}
+
+static void
+transport_widget_dispose (GObject *object)
+{
+	G_OBJECT_CLASS (transport_widget_parent_class)->dispose (object);
+}
+
+static void
+transport_widget_finalize (GObject *object)
+{
+	G_OBJECT_CLASS (transport_widget_parent_class)->finalize (object);
+}
+
+/* keyevents */
+static gboolean
+transport_widget_button_press_event (GtkWidget *menuitem, 
+                                  	GdkEventButton *event)
+{
+	g_debug("TransportWidget::menu_press_event");
+	TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE(TRANSPORT_WIDGET(menuitem));
+
+	gboolean state = g_ascii_strcasecmp(gtk_button_get_label(GTK_BUTTON(priv->play_button)), ">") == 0;
+
+	gtk_button_set_label(GTK_BUTTON(priv->play_button), transport_widget_toggle_play_label(gtk_button_get_label(GTK_BUTTON(priv->play_button))));
+ 	GValue value = {0};
+  g_value_init(&value, G_TYPE_BOOLEAN);
+	g_debug("TransportWidget::menu_press_event - going to send value %i", state);
+
+	g_value_set_boolean(&value, state);	
+	dbusmenu_menuitem_handle_event (twin_item, "Transport state change", &value, 0);
+	
+	return TRUE;
+}
+
+static gboolean
+transport_widget_button_release_event (GtkWidget *menuitem, 
+                                  GdkEventButton *event)
+{
+	g_debug("TransportWidget::menu_release_event");
+	return TRUE;
+}
+
+/**
+* transport_widget_update_state()
+* Callback for updates from the other side of dbus
+**/
+static void 
+transport_widget_property_update(DbusmenuMenuitem* item, gchar* property, 
+                                       GValue* value, gpointer userdata)
+{
+	g_debug("transport_widget_update_state - with property  %s", property);  
+	gchar* input = g_strdup(g_value_get_string(value));
+	g_debug("transport_widget_update_state - with value  %s", input);  
+
+	TransportWidget* bar = (TransportWidget*)userdata;
+	TransportWidgetPrivate *priv = TRANSPORT_WIDGET_GET_PRIVATE(bar);
+	
+	gtk_button_set_label(GTK_BUTTON(priv->play_button), g_strdup(transport_widget_toggle_play_label(property)));
+}
+
+// will be needed for image swapping
+static gchar* transport_widget_toggle_play_label(const gchar* state)
+{
+	gchar* label = ">";
+	if(g_strcmp0(state, ">") == 0){
+		label = "||";
+	}
+	return label;
+}
+
+ /**
+ * transport_new:
+ * @returns: a new #TransportWidget.
+ **/
+GtkWidget* 
+transport_widget_new(DbusmenuMenuitem *item)
+{
+	twin_item = item;
+	return g_object_new(TRANSPORT_WIDGET_TYPE, NULL);
+}
+