git.maemo.org Git - modest/blob - src/modest-datetime-formatter.c

   1 /* Copyright (c) 2008, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <config.h>
  31 #include <modest-datetime-formatter.h>
  32 #ifdef MODEST_TOOLKIT_HILDON2
  33 #include <gconf/gconf-client.h>
  34 #include <gtk/gtkmarshal.h>
  35 #endif
  36 #include <glib/gi18n.h>
  37 #include "modest-text-utils.h"
  38 #ifdef MODEST_USE_LIBTIME
  39 #include <clockd/libtime.h>
  40 #include <libosso.h>
  41 #include <modest-platform.h>
  42 #endif
  43
  44 typedef enum {
  45         DATETIME_FORMAT_12H,
  46         DATETIME_FORMAT_24H,
  47         DATETIME_FORMAT_LOCALE,
  48 } DatetimeFormat;
  49
  50 #define HILDON2_GCONF_FORMAT_DIR "/apps/clock"
  51 #define HILDON2_GCONF_FORMAT_KEY HILDON2_GCONF_FORMAT_DIR "/time-format"
  52
  53 /* 'private'/'protected' functions */
  54 static void   modest_datetime_formatter_class_init (ModestDatetimeFormatterClass *klass);
  55 static void   modest_datetime_formatter_finalize   (GObject *obj);
  56 static void   modest_datetime_formatter_instance_init (ModestDatetimeFormatter *obj);
  57
  58 typedef struct _ModestDatetimeFormatterPrivate ModestDatetimeFormatterPrivate;
  59 struct _ModestDatetimeFormatterPrivate {
  60         DatetimeFormat current_format;
  61 #ifdef MODEST_TOOLKIT_HILDON2
  62         guint gconf_handler;
  63 #endif
  64 };
  65
  66 #define MODEST_DATETIME_FORMATTER_GET_PRIVATE(o)     (G_TYPE_INSTANCE_GET_PRIVATE ((o), \
  67                                                                                    MODEST_TYPE_DATETIME_FORMATTER, \
  68                                                                                    ModestDatetimeFormatterPrivate))
  69
  70 enum {
  71         FORMAT_CHANGED_SIGNAL,
  72         LAST_SIGNAL
  73 };
  74
  75 /* globals */
  76 static GObjectClass *parent_class = NULL;
  77
  78 static guint signals[LAST_SIGNAL] = {0};
  79
  80 GType
  81 modest_datetime_formatter_get_type (void)
  82 {
  83         static GType my_type = 0;
  84
  85         if (!my_type) {
  86                 static const GTypeInfo my_info = {
  87                         sizeof(ModestDatetimeFormatterClass),
  88                         NULL,   /* base init */
  89                         NULL,   /* base finalize */
  90                         (GClassInitFunc) modest_datetime_formatter_class_init,
  91                         NULL,   /* class finalize */
  92                         NULL,   /* class data */
  93                         sizeof(ModestDatetimeFormatter),
  94                         0,      /* n_preallocs */
  95                         (GInstanceInitFunc) modest_datetime_formatter_instance_init,
  96                         NULL
  97                 };
  98
  99                 my_type = g_type_register_static (G_TYPE_OBJECT,
 100                                                   "ModestDatetimeFormatter",
 101                                                   &my_info, 0);
 102         }
 103         return my_type;
 104 }
 105
 106 static void
 107 modest_datetime_formatter_class_init (ModestDatetimeFormatterClass *klass)
 108 {
 109         GObjectClass *gobject_class;
 110         gobject_class = (GObjectClass *) klass;
 111
 112         parent_class = g_type_class_peek_parent (klass);
 113         gobject_class->finalize = modest_datetime_formatter_finalize;
 114
 115         g_type_class_add_private (gobject_class,
 116                                   sizeof(ModestDatetimeFormatterPrivate));
 117
 118         signals[FORMAT_CHANGED_SIGNAL] =
 119                 g_signal_new ("format_changed",
 120                               G_TYPE_FROM_CLASS (gobject_class),
 121                               G_SIGNAL_RUN_FIRST,
 122                               G_STRUCT_OFFSET (ModestDatetimeFormatterClass, format_changed),
 123                               NULL, NULL,
 124                               g_cclosure_marshal_VOID__VOID,
 125                               G_TYPE_NONE, 0);
 126 }
 127
 128 #ifdef MODEST_TOOLKIT_HILDON2
 129 static void
 130 update_format (ModestDatetimeFormatter *obj)
 131 {
 132         GConfClient *gconf;
 133         GError *err = NULL;
 134         gboolean gconf_value;
 135         ModestDatetimeFormatterPrivate *priv;
 136
 137         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (obj);
 138
 139         gconf = gconf_client_get_default ();
 140         gconf_value = gconf_client_get_bool (gconf, HILDON2_GCONF_FORMAT_KEY,
 141                                              &err);
 142
 143         if (err != NULL) {
 144                 g_warning ("Error reading time format in gconf %s", err->message);
 145                 g_error_free (err);
 146         } else {
 147                 priv->current_format = gconf_value?DATETIME_FORMAT_24H:DATETIME_FORMAT_12H;
 148         }
 149 }
 150
 151 static void
 152 clock_format_changed (GConfClient *gconf,
 153                       guint cnxn_id,
 154                       GConfEntry *entry,
 155                       gpointer userdata)
 156 {
 157         ModestDatetimeFormatter *self = (ModestDatetimeFormatter *) userdata;
 158
 159         update_format (self);
 160         g_signal_emit (G_OBJECT (self), signals[FORMAT_CHANGED_SIGNAL], 0);
 161 }
 162 #endif
 163
 164 #ifdef MODEST_USE_LIBTIME
 165 static void
 166 time_changed_cb (gpointer userdata)
 167 {
 168         time_get_synced ();
 169 }
 170 #endif
 171
 172 static void
 173 init_format (ModestDatetimeFormatter *obj)
 174 {
 175         ModestDatetimeFormatterPrivate *priv;
 176
 177         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (obj);
 178
 179         priv->current_format = DATETIME_FORMAT_LOCALE;
 180
 181 #ifdef MODEST_TOOLKIT_HILDON2
 182         GConfClient *gconf;
 183         GError *err = NULL;
 184
 185         gconf = gconf_client_get_default ();
 186         gconf_client_add_dir (gconf, HILDON2_GCONF_FORMAT_DIR,
 187                               GCONF_CLIENT_PRELOAD_ONELEVEL,
 188                               &err);
 189         priv->gconf_handler = gconf_client_notify_add (gconf, HILDON2_GCONF_FORMAT_KEY,
 190                                                        clock_format_changed, (gpointer) obj,
 191                                                        NULL, &err);
 192
 193         if (err != NULL) {
 194                 g_warning ("Error listening to time format in gconf %s", err->message);
 195                 g_error_free (err);
 196         }
 197
 198         update_format (obj);
 199 #endif
 200
 201 #ifdef MODEST_USE_LIBTIME
 202         osso_time_set_notification_cb (modest_platform_get_osso_context (),
 203                                        time_changed_cb,
 204                                        obj);
 205 #endif
 206
 207 }
 208
 209 static void
 210 modest_datetime_formatter_instance_init (ModestDatetimeFormatter *obj)
 211 {
 212         init_format (obj);
 213 }
 214
 215 static void
 216 modest_datetime_formatter_finalize   (GObject *obj)
 217 {
 218 #ifdef MODEST_TOOLKIT_HILDON2
 219         ModestDatetimeFormatterPrivate *priv;
 220         GConfClient *gconf;
 221
 222         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (obj);
 223         gconf = gconf_client_get_default ();
 224         gconf_client_notify_remove (gconf,
 225                                     priv->gconf_handler);
 226         priv->gconf_handler = 0;
 227         gconf_client_remove_dir (gconf, HILDON2_GCONF_FORMAT_DIR,
 228                                  NULL);
 229 #endif
 230         G_OBJECT_CLASS (parent_class)->finalize (obj);
 231 }
 232
 233 ModestDatetimeFormatter*
 234 modest_datetime_formatter_new (void)
 235 {
 236         return g_object_new (MODEST_TYPE_DATETIME_FORMATTER, NULL);
 237 }
 238
 239 const gchar *
 240 modest_datetime_formatter_format_date (ModestDatetimeFormatter *self,
 241                                        time_t date)
 242 {
 243 #define DATE_BUF_SIZE 64
 244
 245         static gchar date_buf[DATE_BUF_SIZE];
 246         ModestDatetimeFormatterPrivate *priv;
 247         const gchar *format_string = NULL;
 248
 249         g_return_val_if_fail (MODEST_IS_DATETIME_FORMATTER (self), NULL);
 250         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (self);
 251
 252         switch (priv->current_format) {
 253         case DATETIME_FORMAT_12H:
 254         case DATETIME_FORMAT_24H:
 255                 format_string = _HL("wdgt_va_date");
 256                 break;
 257         case DATETIME_FORMAT_LOCALE:
 258                 format_string = "%x";
 259                 break;
 260         }
 261         modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, format_string, date);
 262
 263         return date_buf;
 264 }
 265
 266 const gchar *
 267 modest_datetime_formatter_format_time (ModestDatetimeFormatter *self,
 268                                        time_t date)
 269 {
 270 #define DATE_BUF_SIZE 64
 271
 272         static gchar date_buf[DATE_BUF_SIZE];
 273         ModestDatetimeFormatterPrivate *priv;
 274         const gchar *format_string = NULL;
 275         gboolean is_pm;
 276         struct tm localtime_tm = {0, };
 277
 278         g_return_val_if_fail (MODEST_IS_DATETIME_FORMATTER (self), NULL);
 279         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (self);
 280 #ifdef MODEST_USE_LIBTIME
 281         time_get_local_ex (date, &localtime_tm);
 282 #else
 283         time_t date_copy;
 284         date_copy = date;
 285         localtime_r (&date_copy, &localtime_tm);
 286 #endif
 287         is_pm = (localtime_tm.tm_hour/12) % 2;
 288
 289         switch (priv->current_format) {
 290         case DATETIME_FORMAT_12H:
 291                 format_string = is_pm?_HL("wdgt_va_12h_time_pm"):_HL("wdgt_va_12h_time_am");
 292                 break;
 293         case DATETIME_FORMAT_24H:
 294                 format_string = _HL("wdgt_va_24h_time");
 295                 break;
 296         case DATETIME_FORMAT_LOCALE:
 297                 format_string = "%X";
 298                 break;
 299         }
 300         modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, format_string, date);
 301
 302         return date_buf;
 303 }
 304
 305 const gchar *
 306 modest_datetime_formatter_display_long_datetime (ModestDatetimeFormatter *self,
 307                                                  time_t date)
 308 {
 309
 310 #define DATE_BUF_DOUBLE_SIZE 128
 311
 312         static gchar date_buf[DATE_BUF_DOUBLE_SIZE];
 313
 314         snprintf (date_buf, DATE_BUF_DOUBLE_SIZE,
 315                   "%s %s", modest_datetime_formatter_format_date (self, date),
 316                   modest_datetime_formatter_format_time (self, date));
 317
 318         return date_buf;
 319 }
 320
 321 const gchar *
 322 modest_datetime_formatter_display_datetime (ModestDatetimeFormatter *self,
 323                                             time_t date)
 324 {
 325
 326         struct tm today_localtime_tm = {0, };
 327         struct tm date_localtime_tm = {0, };
 328         time_t today;
 329
 330         today = time (NULL);
 331 #ifdef MODEST_USE_LIBTIME
 332         time_get_local_ex (today, &today_localtime_tm);
 333         time_get_local_ex (date, &date_localtime_tm);
 334 #else
 335         time_t date_copy;
 336         date_copy = today;
 337         localtime_r (&date_copy, &today_localtime_tm);
 338         date_copy = date;
 339         localtime_r (&date_copy, &date_localtime_tm);
 340 #endif
 341
 342         if (today_localtime_tm.tm_mday == date_localtime_tm.tm_mday &&
 343             today_localtime_tm.tm_mon == date_localtime_tm.tm_mon &&
 344             today_localtime_tm.tm_year == date_localtime_tm.tm_year)
 345                 return modest_datetime_formatter_format_time (self, date);
 346         else
 347                 return modest_datetime_formatter_format_date (self, date);
 348 }