gstreamer/components/bonobo-gstmediaplay/bonobo-gstmediaplay.c

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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <gnome.h>
#include <liboaf/liboaf.h>
#include <bonobo.h>
#include "gstplay.h"
#include "pause.xpm"
#include "play.xpm"
#include "stop.xpm"
/*
* Number of running objects
*/
static int running_objects = 0;
static BonoboGenericFactory *factory = NULL;
/*
* BonoboControl data
*/
typedef struct {
BonoboControl *bonobo_object;
BonoboUIComponent *uic;
GstPlay *play;
} control_data_t;
/*
* This callback is invoked when the BonoboControl object
* encounters a fatal CORBA exception.
*/
static void
control_system_exception_cb (BonoboControl *control, CORBA_Object corba_object,
CORBA_Environment *ev, gpointer data)
{
bonobo_object_unref (BONOBO_OBJECT (control));
}
static void
control_update (control_data_t *control_data)
{
gtk_widget_queue_draw (GTK_WIDGET (control_data->play));
}
static void
verb_Play_cb (BonoboUIComponent *uic, gpointer user_data, const char *cname)
{
control_data_t *control_data = (control_data_t *) user_data;
gst_play_play (control_data->play);
control_update (control_data);
}
static void
verb_Pause_cb (BonoboUIComponent *uic, gpointer user_data, const char *cname)
{
control_data_t *control_data = (control_data_t *) user_data;
gst_play_pause (control_data->play);
control_update (control_data);
}
static void
verb_Stop_cb (BonoboUIComponent *uic, gpointer user_data, const char *cname)
{
control_data_t *control_data = (control_data_t *) user_data;
gst_play_stop (control_data->play);
control_update (control_data);
}
typedef struct {
control_data_t *control_data;
GtkFileSelection *selector;
} file_select_struct;
static void
filename_selected (GtkButton *ok, gpointer user_data)
{
file_select_struct *select = (file_select_struct *) user_data;
gchar *selected_filename;
selected_filename = gtk_file_selection_get_filename (GTK_FILE_SELECTION(select->selector));
gst_play_set_uri (select->control_data->play, selected_filename);
gst_play_play (select->control_data->play);
control_update (select->control_data);
g_free(select);
}
static void
verb_Open_cb (BonoboUIComponent *uic, gpointer user_data, const char *cname)
{
control_data_t *control_data = (control_data_t *) user_data;
file_select_struct *data = g_new0(file_select_struct, 1);
GtkWidget *file_selector;
file_selector = gtk_file_selection_new("Select a media file");
data->selector = GTK_FILE_SELECTION (file_selector);
data->control_data = control_data;
gtk_signal_connect (GTK_OBJECT (GTK_FILE_SELECTION(file_selector)->ok_button),
"clicked", GTK_SIGNAL_FUNC (filename_selected), data);
gtk_signal_connect_object (GTK_OBJECT (GTK_FILE_SELECTION(file_selector)->ok_button),
"clicked", GTK_SIGNAL_FUNC (gtk_widget_destroy),
(gpointer) file_selector);
gtk_signal_connect_object (GTK_OBJECT (GTK_FILE_SELECTION(file_selector)->cancel_button),
"clicked", GTK_SIGNAL_FUNC (gtk_widget_destroy),
(gpointer) file_selector);
gtk_widget_show (file_selector);
}
/*
* When one of our controls is activated, we merge our menus
* in with our container's menus.
*/
static void
control_create_menus (control_data_t *control_data)
{
BonoboControl *control = control_data->bonobo_object;
Bonobo_UIContainer remote_uic;
GdkPixbuf *pixbuf;
static char ui [] =
"<Root>"
" <commands>"
" <cmd name=\"Play\" _label=\"Play\" _tip=\"Play\"/>"
" <cmd name=\"Pause\" _label=\"Pause\" _tip=\"Pause\"/>"
" <cmd name=\"Stop\" _label=\"Stop\" _tip=\"Stop\"/>"
" <cmd name=\"Open\" _label=\"Open Media\" _tip=\"Open a media stream\"/>"
" </commands>"
" <menu>"
" <submenu name=\"Player\" _label=\"_Player\">"
" <menuitem name=\"Open\" pixtype=\"stock\" pixname=\"Open\" verb=\"\"/>"
" <separator/>"
" <menuitem name=\"Play\" verb=\"\"/>"
" <menuitem name=\"Pause\" verb=\"\"/>"
" <menuitem name=\"Stop\" verb=\"\"/>"
" </submenu>"
" </menu>"
" <dockitem name=\"GstMediaPlay\">"
" <toolitem name=\"Play\" type=\"toggle\" verb=\"\"/>"
" <toolitem name=\"Pause\" type=\"toggle\" verb=\"\"/>"
" <toolitem name=\"Stop\" type=\"toggle\" verb=\"\"/>"
" </dockitem>"
"</Root>";
g_print("create menu\n");
/*
* Get our container's UIContainer server.
*/
remote_uic = bonobo_control_get_remote_ui_container (control);
/*
* We have to deal gracefully with containers
* which don't have a UIContainer running.
*/
if (remote_uic == CORBA_OBJECT_NIL) {
g_warning ("No UI container!");
return;
}
/*
* Give our BonoboUIComponent object a reference to the
* container's UIContainer server.
*/
bonobo_ui_component_set_container (control_data->uic, remote_uic);
/*
* Unref the UI container we have been passed.
*/
bonobo_object_release_unref (remote_uic, NULL);
/* Set up the UI from the XML string. */
{
BonoboUINode *node;
node = bonobo_ui_node_from_string (ui);
bonobo_ui_util_translate_ui (node);
bonobo_ui_util_fixup_help (control_data->uic, node,
DATADIR, "gstmediaplay");
bonobo_ui_component_set_tree (control_data->uic, "/", node, NULL);
bonobo_ui_node_free (node);
}
pixbuf = gdk_pixbuf_new_from_xpm_data ((const char **) play_back_xpm);
bonobo_ui_util_set_pixbuf (control_data->uic, "/commands/Play", pixbuf);
gdk_pixbuf_unref (pixbuf);
pixbuf = gdk_pixbuf_new_from_xpm_data ((const char **) pause_xpm);
bonobo_ui_util_set_pixbuf (control_data->uic, "/commands/Pause", pixbuf);
gdk_pixbuf_unref (pixbuf);
pixbuf = gdk_pixbuf_new_from_xpm_data ((const char **) stop_back_xpm);
bonobo_ui_util_set_pixbuf (control_data->uic, "/commands/Stop", pixbuf);
gdk_pixbuf_unref (pixbuf);
g_print("create menu done\n");
}
static void
control_remove_menus (control_data_t *control_data)
{
bonobo_ui_component_unset_container (control_data->uic);
}
/*
* Clean up our supplementary BonoboControl data sturctures.
*/
static void
control_destroy_cb (BonoboControl *control, gpointer data)
{
control_data_t *control_data = (control_data_t *) data;
control_data->play = NULL;
g_free (control_data);
running_objects--;
if (running_objects > 0)
return;
/*
* When the last object has gone, unref the factory & quit.
*/
bonobo_object_unref (BONOBO_OBJECT (factory));
gtk_main_quit ();
}
static void
control_activate_cb (BonoboControl *control, gboolean activate, gpointer data)
{
control_data_t *control_data = (control_data_t *) data;
g_message ("control_activate");
/*
* The ControlFrame has just asked the Control (that's us) to be
* activated or deactivated. We must reply to the ControlFrame
* and say whether or not we want our activation state to
* change. We are an acquiescent BonoboControl, so we just agree
* with whatever the ControlFrame told us. Most components
* should behave this way.
*/
bonobo_control_activate_notify (control, activate);
/*
* If we were just activated, we merge in our menu entries.
* If we were just deactivated, we remove them.
*/
if (activate)
control_create_menus (control_data);
else
control_remove_menus (control_data);
}
static void
control_set_frame_cb (BonoboControl *control, gpointer data)
{
control_create_menus ((control_data_t *) data);
}
static BonoboObject *
bonobo_gstmediaplay_factory (BonoboGenericFactory *this, void *data)
{
BonoboControl *bonobo_object;
control_data_t *control_data;
GtkWidget *vbox;
gst_init (NULL, NULL);
/*
* Create a data structure in which we can store
* Control-object-specific data about this document.
*/
control_data = g_new0 (control_data_t, 1);
if (control_data == NULL)
return NULL;
control_data->play = gst_play_new ();
vbox = gtk_vbox_new (TRUE, 0);
gtk_box_pack_start (GTK_BOX (vbox), GTK_WIDGET (control_data->play),
TRUE, TRUE, 0);
gtk_widget_show_all (vbox);
gst_play_set_uri (control_data->play, "/opt/data/armageddon1.mpg");
gst_play_play (control_data->play);
/*
* Create the BonoboControl object.
*/
bonobo_object = bonobo_control_new (vbox);
if (bonobo_object == NULL) {
gtk_widget_destroy (vbox);
g_free (control_data);
return NULL;
}
control_data->bonobo_object = bonobo_object;
control_data->uic = bonobo_control_get_ui_component (bonobo_object);
/*
* When our container wants to activate this component, we will get
* the "activate" signal.
*/
gtk_signal_connect (GTK_OBJECT (bonobo_object), "activate",
GTK_SIGNAL_FUNC (control_activate_cb), control_data);
gtk_signal_connect (GTK_OBJECT (bonobo_object), "set_frame",
GTK_SIGNAL_FUNC (control_set_frame_cb), control_data);
/*
* The "system_exception" signal is raised when the BonoboControl
* encounters a fatal CORBA exception.
*/
gtk_signal_connect (GTK_OBJECT (bonobo_object), "system_exception",
GTK_SIGNAL_FUNC (control_system_exception_cb), control_data);
/*
* We'll need to be able to cleanup when this control gets
* destroyed.
*/
gtk_signal_connect (GTK_OBJECT (bonobo_object), "destroy",
GTK_SIGNAL_FUNC (control_destroy_cb), control_data);
bonobo_ui_component_add_verb (control_data->uic, "Play",
verb_Play_cb, control_data);
bonobo_ui_component_add_verb (control_data->uic, "Pause",
verb_Pause_cb, control_data);
bonobo_ui_component_add_verb (control_data->uic, "Stop",
verb_Stop_cb, control_data);
bonobo_ui_component_add_verb (control_data->uic, "Open",
verb_Open_cb, control_data);
/*
* Count the new running object
*/
running_objects++;
g_print("running objects: %d\n", running_objects);
return BONOBO_OBJECT (bonobo_object);
}
static void
init_gstmediaplay_factory (void)
{
factory = bonobo_generic_factory_new (
"OAFIID:bonobo_gstmediaplay_factory:420f20ca-55d7-4a33-b327-0b246136db18",
bonobo_gstmediaplay_factory, NULL);
}
static void
init_server_factory (int argc, char **argv)
{
CORBA_Environment ev;
CORBA_ORB orb;
bindtextdomain (PACKAGE, GNOMELOCALEDIR);
textdomain (PACKAGE);
CORBA_exception_init (&ev);
gnome_init_with_popt_table("bonobo-gstmediaplay", VERSION,
argc, argv,
oaf_popt_options, 0, NULL);
orb = oaf_init (argc, argv);
if (bonobo_init (orb, NULL, NULL) == FALSE)
g_error (_("Could not initialize Bonobo!"));
CORBA_exception_free (&ev);
}
int
main (int argc, char **argv)
{
/* g_thread_init (NULL); */
/*
* Setup the factory.
*/
init_server_factory (argc, argv);
init_gstmediaplay_factory ();
/*
* Start processing.
*/
bonobo_main ();
return 0;
}