time: move from Empathy to tp-account-widgets

https://bugzilla.gnome.org/show_bug.cgi?id=699492

3 files changed, 194 insertions, 0 deletions

diff --git a/tp-account-widgets/Makefile.am b/tp-account-widgets/Makefile.am
index 5f2f0d30..6887ab2c 100644
--- a/tp-account-widgets/Makefile.am
+++ b/tp-account-widgets/Makefile.am
@@ -31,6 +31,7 @@ libtp_account_widgets_sources =            	\
 	tpaw-irc-network.c			\
 	tpaw-irc-server.c			\
 	tpaw-live-search.c			\
+	tpaw-time.c				\
 	tpaw-utils.c				\
 	totem-subtitle-encoding.c		\
 	$(NULL)
@@ -50,6 +51,7 @@ libtp_account_widgets_headers =			\
 	tpaw-irc-network.h			\
 	tpaw-irc-server.h			\
 	tpaw-live-search.h			\
+	tpaw-time.h				\
 	tpaw-utils.h				\
 	totem-subtitle-encoding.h		\
 	$(NULL)
diff --git a/tp-account-widgets/tpaw-time.c b/tp-account-widgets/tpaw-time.c
new file mode 100644
index 00000000..d169fcb1
--- /dev/null
+++ b/tp-account-widgets/tpaw-time.c
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2003-2007 Imendio AB
+ * Copyright (C) 2007-2012 Collabora Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Authors: Richard Hult <richard@imendio.com>
+ */
+
+#include "config.h"
+#include "tpaw-time.h"
+
+#include <glib/gi18n-lib.h>
+
+/* Note: TpawTime is always in UTC. */
+
+gint64
+tpaw_time_get_current (void)
+{
+  GDateTime *now;
+  gint64 result;
+
+  now = g_date_time_new_now_utc ();
+  result = g_date_time_to_unix (now);
+  g_date_time_unref (now);
+
+  return result;
+}
+
+/* Converts the UTC timestamp to a string, also in UTC.
+ * Returns NULL on failure. */
+gchar *
+tpaw_time_to_string_utc (gint64 t,
+    const gchar *format)
+{
+  GDateTime *d;
+  char *result;
+
+  g_return_val_if_fail (format != NULL, NULL);
+
+  d = g_date_time_new_from_unix_utc (t);
+  result = g_date_time_format (d, format);
+  g_date_time_unref (d);
+
+  return result;
+}
+
+/* Converts the UTC timestamp to a string, in local time.
+ * Returns NULL on failure. */
+gchar *
+tpaw_time_to_string_local (gint64 t,
+    const gchar *format)
+{
+  GDateTime *d, *local;
+  gchar *result;
+
+  g_return_val_if_fail (format != NULL, NULL);
+
+  d = g_date_time_new_from_unix_utc (t);
+  local = g_date_time_to_local (d);
+  g_date_time_unref (d);
+
+  result = g_date_time_format (local, format);
+  g_date_time_unref (local);
+
+  return result;
+}
+
+gchar *
+tpaw_duration_to_string (guint seconds)
+{
+  if (seconds < 60)
+    {
+      return g_strdup_printf (ngettext ("%d second ago",
+        "%d seconds ago", seconds), seconds);
+    }
+  else if (seconds < (60 * 60))
+    {
+      seconds /= 60;
+      return g_strdup_printf (ngettext ("%d minute ago",
+        "%d minutes ago", seconds), seconds);
+    }
+  else if (seconds < (60 * 60 * 24))
+    {
+      seconds /= 60 * 60;
+      return g_strdup_printf (ngettext ("%d hour ago",
+        "%d hours ago", seconds), seconds);
+    }
+  else if (seconds < (60 * 60 * 24 * 7))
+    {
+      seconds /= 60 * 60 * 24;
+      return g_strdup_printf (ngettext ("%d day ago",
+        "%d days ago", seconds), seconds);
+    }
+  else if (seconds < (60 * 60 * 24 * 30))
+    {
+      seconds /= 60 * 60 * 24 * 7;
+      return g_strdup_printf (ngettext ("%d week ago",
+        "%d weeks ago", seconds), seconds);
+    }
+  else
+    {
+      seconds /= 60 * 60 * 24 * 30;
+      return g_strdup_printf (ngettext ("%d month ago",
+        "%d months ago", seconds), seconds);
+    }
+}
+
+gchar  *
+tpaw_time_to_string_relative (gint64 t)
+{
+  GDateTime *now, *then;
+  gint   seconds;
+  GTimeSpan delta;
+  gchar *result;
+
+  now = g_date_time_new_now_utc ();
+  then = g_date_time_new_from_unix_utc (t);
+
+  delta = g_date_time_difference (now, then);
+  seconds = delta / G_TIME_SPAN_SECOND;
+
+  if (seconds > 0)
+    result = tpaw_duration_to_string (seconds);
+  else
+    result = g_strdup (_("in the future"));
+
+  g_date_time_unref (now);
+  g_date_time_unref (then);
+
+  return result;
+}
diff --git a/tp-account-widgets/tpaw-time.h b/tp-account-widgets/tpaw-time.h
new file mode 100644
index 00000000..2277483b
--- /dev/null
+++ b/tp-account-widgets/tpaw-time.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2004 Imendio AB
+ * Copyright (C) 2007-2012 Collabora Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef __TPAW_TIME_H__
+#define __TPAW_TIME_H__
+
+#ifndef __USE_XOPEN
+#define __USE_XOPEN
+#endif
+#include <time.h>
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+/* FIXME: ideally we should only display the hour and minutes but
+ * there is no localized format for that (bgo #668323) */
+#define TPAW_TIME_FORMAT_DISPLAY_SHORT "%X"
+#define TPAW_DATE_FORMAT_DISPLAY_SHORT "%a %d %b %Y"
+#define TPAW_TIME_DATE_FORMAT_DISPLAY_SHORT "%a %d %b %Y, %X"
+
+gint64  tpaw_time_get_current     (void);
+gchar  *tpaw_time_to_string_utc   (gint64 t,
+    const gchar *format);
+gchar  *tpaw_time_to_string_local (gint64 t,
+    const gchar *format);
+gchar  *tpaw_time_to_string_relative (gint64 t);
+gchar *tpaw_duration_to_string (guint seconds);
+
+G_END_DECLS
+
+#endif /* __TPAW_TIME_H__ */
+