[maemo-commits] [maemo-commits] r12620 - projects/tools/trunk/maemo_testing/maemo-examples

[From: subversion at stage.maemo.org]

Author: jampekka
Date: 2007-07-03 13:45:18 +0300 (Tue, 03 Jul 2007)
New Revision: 12620

Added:
   projects/tools/trunk/maemo_testing/maemo-examples/example_alarm.c
   projects/tools/trunk/maemo_testing/maemo-examples/example_alarm_dbus.xml
Modified:
   projects/tools/trunk/maemo_testing/maemo-examples/Makefile
Log:
Added alarm example


Modified: projects/tools/trunk/maemo_testing/maemo-examples/Makefile
===================================================================
--- projects/tools/trunk/maemo_testing/maemo-examples/Makefile	2007-07-03 09:27:09 UTC (rev 12619)
+++ projects/tools/trunk/maemo_testing/maemo-examples/Makefile	2007-07-03 10:45:18 UTC (rev 12620)
@@ -1,7 +1,7 @@
 VERSION=1.0
 DESTDIR=/
 CC=gcc
-LIBRARIES=gconf-2.0 hildon-libs hildon-fm gtk+-2.0 libosso gdk-2.0 gconf-2.0 libossohelp gnome-vfs-2.0 gstreamer-0.10 osso-addressbook-1.0 libebook-1.2
+LIBRARIES=gconf-2.0 hildon-libs hildon-fm gtk+-2.0 libosso gdk-2.0 gconf-2.0 libossohelp gnome-vfs-2.0 gstreamer-0.10 osso-addressbook-1.0 libebook-1.2 libalarm
 CFLAGS= -Wall -pedantic `pkg-config --cflags  $(LIBRARIES)`
 CDEBUG=-g
 # libgstinterfaces-0.10 is defined here to work around
@@ -36,7 +36,8 @@
 	example_drawing \
 	example_camera \
 	example_abook \
-	example_bluetooth
+	example_bluetooth \
+	example_alarm
 
 LIBEXAMPLES=\
 	libapplet.so \
@@ -82,9 +83,18 @@
 
 $(LIBEXAMPLES): %.so: %.c
 	    $(CC) -shared $(CFLAGS) $(LDFLAGS) -o $@ $<
+	    
+# Generate dbus-bindings for the alarm-example
+example_alarm_dbus.h: example_alarm_dbus.xml
+	dbus-binding-tool --prefix=hello_alarm --mode=glib-server example_alarm_dbus.xml > $@
 
+example_alarm.c: example_alarm_dbus.h
+
+example_alarm: example_alarm.c
+
 clean:
 	-rm -f $(EXAMPLES) $(LIBEXAMPLES)
+	-rm -f example_alarm_dbus.h
 
 dist: clean
 	cd .. && \

Added: projects/tools/trunk/maemo_testing/maemo-examples/example_alarm.c
===================================================================
--- projects/tools/trunk/maemo_testing/maemo-examples/example_alarm.c	2007-07-03 09:27:09 UTC (rev 12619)
+++ projects/tools/trunk/maemo_testing/maemo-examples/example_alarm.c	2007-07-03 10:45:18 UTC (rev 12620)
@@ -0,0 +1,235 @@
+#include <gtk/gtk.h>
+#include <alarm_event.h>
+#include <dbus/dbus-glib.h>
+#include <dbus/dbus-glib-bindings.h>
+#include <time.h>
+#include <string.h>
+#include <hildon-widgets/hildon-banner.h>
+
+#include "example_common.h"
+
+/* Define structure app-wide data*/
+typedef struct
+{
+	HildonProgram *program;
+	HildonWindow  *window;
+
+	DBusGConnection *bus;
+} AppData;
+
+/* Define new GObject structure
+ * HelloAlarm */
+typedef struct
+{
+	GObject parent;
+	/* Define a pointer to store
+	 * appdata */
+	AppData *appdata;
+} HelloAlarm;
+
+/* Define HelloAlarm's class */
+typedef struct
+{
+	GObjectClass parent;
+
+	/* HelloAlarm's say_hello-method.
+	 * This will be registered as a DBUS-method */
+	void (*say_hello)(HelloAlarm *self);
+} HelloAlarmClass;
+
+/* Callback to be called when application recieves
+ * alarm message from the alarmd */
+void hello_alarm_say_hello(HelloAlarm *self)
+{
+	GtkWidget *dialog;
+
+	dialog = gtk_message_dialog_new(
+			GTK_WINDOW(self->appdata->window),
+			GTK_DIALOG_DESTROY_WITH_PARENT,
+			GTK_MESSAGE_INFO,
+			GTK_BUTTONS_OK,
+			"Hello Alarm!");
+
+	gtk_dialog_run(GTK_DIALOG(dialog));
+	gtk_widget_destroy(dialog);
+}
+/* This file is generated from example_alarm_dbus.xml-file
+ * using dbus-binding-tool and is needed to get the object's
+ * DBUS export info (dbus_glib_hello_alarm_object_info).
+ * See the Makefile for how the tool is used */
+#include "example_alarm_dbus.h"
+
+/* Initialize class data for HelloAlarm */
+static void hello_alarm_class_init(HelloAlarmClass *klass)
+{
+	/* Define implementation location of the
+	 * say_hello-method */
+	klass->say_hello = hello_alarm_say_hello;
+}
+
+/* Get GType of the HelloAlarm object */
+GType hello_alarm_get_type()
+{
+	static GType type = 0;
+	/* If the type is already registered,
+	 * return it, otherwise register the
+	 * GTypeInfoStructure */
+	if(!type)
+	{
+		static const GTypeInfo info = 
+		{
+			sizeof(HelloAlarmClass),
+			NULL, /* base_init */
+			NULL, /* base_finalize */
+			(GClassInitFunc)hello_alarm_class_init, /* class_init */
+			NULL, /* class_finalize */
+			NULL, /* class_data */
+			sizeof(HelloAlarm),
+			0, /* n_preallocs */
+			NULL, /* instance_init */
+		};
+
+		type = g_type_register_static(G_TYPE_OBJECT, "HelloAlarmType",
+			&info, 0);
+	}
+	return type;
+}
+
+/* Tell alarmd to send a alarm */
+static void set_alarm(GtkWidget *button, AppData *appdata)
+{
+	alarm_event_t event;
+	time_t current_time;
+	struct tm *alarm_time;
+
+	/* Reset the event-structure to zero */
+	memset(&event, 0, sizeof(event));
+	
+	/* Get current time and add two seconds to it,
+	 * meaning that alarm should be sent at
+	 * this time */
+	time(&current_time);
+	alarm_time = localtime(&current_time);
+	alarm_time->tm_sec += 2;
+	/* Set the alarm time */
+	event.alarm_time = mktime(alarm_time);
+	
+	/* Set interface, service name, path and method
+	 * name of the HelloAlarm D-BUS interface */
+	event.dbus_interface = "org.maemo.alarm_example";
+	event.dbus_service = "org.maemo.alarm_example";
+	event.dbus_path = "/org/maemo/alarm_example";
+	event.dbus_name = "hello_alarm";
+	
+	/* The application presents its own dialog,
+	 * so the system provided isn't needed */
+	event.flags = ALARM_EVENT_NO_DIALOG;
+
+	/* Add the alarm to alarmd and
+	 * verify that it was correctly created */
+	if(!alarm_event_add(&event))
+	{
+		hildon_banner_show_information(button, "gtk-dialog-error",
+			       "Couldn't set alarm");
+		g_warning("Couldn't set alarm. Error code %d\n", alarmd_get_error());
+		return;
+	}
+
+	hildon_banner_show_information(button, NULL,
+			"Alarm set");
+}
+
+/* Register GObject's D-BUS interface and
+ * request a name for the service */
+static gboolean
+register_service(DBusGConnection *bus, GObject *obj,
+		const DBusGObjectInfo *info,
+		gchar *name, gchar *path, GError **error)
+{
+	DBusGProxy *system;
+	gboolean result;
+	
+	/* Install GObject's info so glib knows
+	 * what kind of interface to present on
+	 * D-BUS */
+	dbus_g_object_type_install_info(G_TYPE_FROM_INSTANCE(obj),
+			info);
+	/* Register the object to D-BUS using
+	 * given object path */
+	dbus_g_connection_register_g_object(bus,
+			path, obj);
+	
+	/* Get proxy D-BUS-service */
+	system = dbus_g_proxy_new_for_name(bus,
+			DBUS_SERVICE_DBUS,
+			DBUS_PATH_DBUS,
+			DBUS_INTERFACE_DBUS);
+
+	/* Request a name for the service from D-BUS */
+	result = org_freedesktop_DBus_request_name(system,
+			name, 0, NULL, error);
+
+	/* Check that the name request went OK */
+	if(!result)
+	{
+		g_object_unref(system);
+		return FALSE;
+	}
+
+	g_object_unref(system);
+	return TRUE;
+}
+
+int main(int argc, char **argv)
+{
+	AppData appdata;
+	GError *error = NULL;
+	GtkWidget *button;
+	HelloAlarm *server;
+
+	/* Initialize the program */
+	example_gui_initialize(&appdata.program, &appdata.window,
+			&argc, &argv, "alarm-example");
+
+	/* Connect to D-BUS session bus and verify that
+	 * it succeeded */
+	appdata.bus = dbus_g_bus_get(DBUS_BUS_SESSION, &error);
+	if(!appdata.bus)
+	{
+		g_error("Couldn't get DBUS connection: %s\n", error->message);
+		g_error_free(error);
+		return 1;
+	}
+
+	/* Create and initialize a HelloAlarm object and
+	 * register it to D-BUS */
+	server = g_object_new(hello_alarm_get_type(), NULL);
+	server->appdata = &appdata;
+	register_service(appdata.bus, G_OBJECT(server),
+			&dbus_glib_hello_alarm_object_info,
+			"org.maemo.alarm_example",
+			"/org/maemo/alarm_example", &error);
+
+	/* Check that the registration was successfull */
+	if(error)
+	{
+		g_error("Couldn't register service: %s", error->message);
+		g_error_free(error);
+		return 1;
+	}
+
+	/* Create a button and connect its clicked-event
+	 * to set_alarm-function */
+	button = gtk_button_new_with_label("Set alarm");
+	gtk_container_add(GTK_CONTAINER(appdata.window), button);
+	g_signal_connect(G_OBJECT(button), "clicked",
+			G_CALLBACK(set_alarm), &appdata);
+
+	/* Run the mainloop */
+	example_gui_run(appdata.program, appdata.window);
+	
+	/* Disconnect from the dbus */
+	dbus_g_connection_unref(appdata.bus);
+
+	return 0;
+}

Added: projects/tools/trunk/maemo_testing/maemo-examples/example_alarm_dbus.xml
===================================================================
--- projects/tools/trunk/maemo_testing/maemo-examples/example_alarm_dbus.xml	2007-07-03 09:27:09 UTC (rev 12619)
+++ projects/tools/trunk/maemo_testing/maemo-examples/example_alarm_dbus.xml	2007-07-03 10:45:18 UTC (rev 12620)
@@ -0,0 +1,9 @@
+<node name="/org/maemo/alarm_example">
+  <interface name="org.maemo.alarm_example">
+    <method name="hello_alarm">
+      <annotation
+        name="org.freedesktop.DBus.GLib.CSymbol"
+        value="hello_alarm_say_hello" />
+    </method>
+  </interface>
+</node>