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/*
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>
#include "play-button.h"
typedef struct _TransportWidgetPrivate TransportWidgetPrivate;
struct _TransportWidgetPrivate
{
GtkWidget* hbox;
GtkWidget* play_button;
DbusmenuMenuitem* twin_item;
};
#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);
static void transport_widget_set_twin_item(TransportWidget* self,
DbusmenuMenuitem* twin_item);
static gboolean transport_widget_expose_event(GtkWidget* widget,
GdkEventExpose* event);
/* 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 );
static void transport_widget_menu_hidden ( GtkWidget *menu,
TransportWidget *transport);
static void transport_widget_notify ( TransportWidget *item,
GParamSpec *pspec,
gpointer user_data );
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);
GtkMenuItemClass *menu_item_class = GTK_MENU_ITEM_CLASS(klass);
menu_item_class->hide_on_activate = FALSE;
widget_class->button_press_event = transport_widget_button_press_event;
widget_class->button_release_event = transport_widget_button_release_event;
widget_class->expose_event = transport_widget_expose_event;
g_type_class_add_private (klass, sizeof (TransportWidgetPrivate));
gobject_class->dispose = transport_widget_dispose;
gobject_class->finalize = transport_widget_finalize;
}
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);
GtkStyle* style = gtk_rc_get_style(GTK_WIDGET(self));
priv->hbox = hbox;
priv->play_button = play_button_new();
play_button_set_style(priv->play_button, style);
gtk_box_pack_start (GTK_BOX (priv->hbox), priv->play_button, FALSE, FALSE, 0);
gtk_container_add (GTK_CONTAINER (self), priv->hbox);
gtk_widget_show_all (priv->hbox);
g_signal_connect (G_OBJECT(self),
"notify",
G_CALLBACK (transport_widget_notify),
NULL);
}
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);
}
static gboolean
transport_widget_expose_event(GtkWidget* widget, GdkEventExpose* event)
{
return TRUE;
}
static void transport_widget_set_twin_item(TransportWidget* self,
DbusmenuMenuitem* twin_item)
{
TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE(self);
priv->twin_item = twin_item;
g_signal_connect(G_OBJECT(priv->twin_item), "property-changed",
G_CALLBACK(transport_widget_property_update), self);
}
static void
transport_widget_notify (TransportWidget *item,
GParamSpec *pspec,
gpointer user_data)
{
if (g_strcmp0 (pspec->name, "parent"))
{
GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (item));
if (parent)
{
g_signal_connect (parent, "hide",
G_CALLBACK (transport_widget_menu_hidden),
item);
}
}
}
static void
transport_widget_menu_hidden ( GtkWidget *menu,
TransportWidget *transport)
{
g_debug("Transport Widget's menu hidden method called");
g_return_if_fail(IS_TRANSPORT_WIDGET(transport));
TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE(TRANSPORT_WIDGET(transport));
play_button_react_to_button_release(priv->play_button, TRANSPORT_NADA);
}
/* keyevents */
static gboolean
transport_widget_button_press_event (GtkWidget *menuitem,
GdkEventButton *event)
{
g_return_val_if_fail(IS_TRANSPORT_WIDGET(menuitem), FALSE);
TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE(TRANSPORT_WIDGET(menuitem));
PlayButtonEvent result = determine_button_event(priv->play_button, event);
if(result != TRANSPORT_NADA){
play_button_react_to_button_press(priv->play_button, result);
}
return TRUE;
}
static gboolean
transport_widget_button_release_event (GtkWidget *menuitem,
GdkEventButton *event)
{
g_debug("TransportWidget::menu_release_event");
g_return_val_if_fail(IS_TRANSPORT_WIDGET(menuitem), FALSE);
TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE(TRANSPORT_WIDGET(menuitem));
PlayButtonEvent result = determine_button_event(priv->play_button, event);
if(result != TRANSPORT_NADA){
GValue value = {0};
g_value_init(&value, G_TYPE_INT);
g_debug("TransportWidget::menu_press_event - going to send value %i", (int)result);
g_value_set_int(&value, (int)result);
dbusmenu_menuitem_handle_event (priv->twin_item, "Transport state change", &value, 0);
}
play_button_react_to_button_release(priv->play_button, result);
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);
TransportWidget* bar = (TransportWidget*)userdata;
g_return_if_fail(IS_TRANSPORT_WIDGET(bar));
if(g_ascii_strcasecmp(DBUSMENU_TRANSPORT_MENUITEM_PLAY_STATE, property) == 0)
{
TransportWidgetPrivate *priv = TRANSPORT_WIDGET_GET_PRIVATE(bar);
int update_value = g_value_get_int(value);
g_debug("transport_widget_update_state - with value %i", update_value);
play_button_toggle_play_pause(priv->play_button, (PlayButtonState)update_value);
}
}
/**
* transport_new:
* @returns: a new #TransportWidget.
**/
GtkWidget*
transport_widget_new(DbusmenuMenuitem *item)
{
GtkWidget* widget = g_object_new(TRANSPORT_WIDGET_TYPE, NULL);
transport_widget_set_twin_item((TransportWidget*)widget, item);
return widget;
}
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