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 /* We need this very nasty stuff because the call to
  67    osso_time_set_notification_cb cannot be reverted and thus the
  68    handler will be called always even though we try to set another
  69    one */
  70 #ifdef MODEST_USE_LIBTIME
  71 static ModestDatetimeFormatter *global_self = NULL;
  72 #endif
  73
  74 #define MODEST_DATETIME_FORMATTER_GET_PRIVATE(o)     (G_TYPE_INSTANCE_GET_PRIVATE ((o), \
  75                                                                                    MODEST_TYPE_DATETIME_FORMATTER, \
  76                                                                                    ModestDatetimeFormatterPrivate))
  77
  78 enum {
  79         FORMAT_CHANGED_SIGNAL,
  80         LAST_SIGNAL
  81 };
  82
  83 /* globals */
  84 static GObjectClass *parent_class = NULL;
  85
  86 static guint signals[LAST_SIGNAL] = {0};
  87
  88 GType
  89 modest_datetime_formatter_get_type (void)
  90 {
  91         static GType my_type = 0;
  92
  93         if (!my_type) {
  94                 static const GTypeInfo my_info = {
  95                         sizeof(ModestDatetimeFormatterClass),
  96                         NULL,   /* base init */
  97                         NULL,   /* base finalize */
  98                         (GClassInitFunc) modest_datetime_formatter_class_init,
  99                         NULL,   /* class finalize */
 100                         NULL,   /* class data */
 101                         sizeof(ModestDatetimeFormatter),
 102                         0,      /* n_preallocs */
 103                         (GInstanceInitFunc) modest_datetime_formatter_instance_init,
 104                         NULL
 105                 };
 106
 107                 my_type = g_type_register_static (G_TYPE_OBJECT,
 108                                                   "ModestDatetimeFormatter",
 109                                                   &my_info, 0);
 110         }
 111         return my_type;
 112 }
 113
 114 static void
 115 modest_datetime_formatter_class_init (ModestDatetimeFormatterClass *klass)
 116 {
 117         GObjectClass *gobject_class;
 118         gobject_class = (GObjectClass *) klass;
 119
 120         parent_class = g_type_class_peek_parent (klass);
 121         gobject_class->finalize = modest_datetime_formatter_finalize;
 122
 123         g_type_class_add_private (gobject_class,
 124                                   sizeof(ModestDatetimeFormatterPrivate));
 125
 126         signals[FORMAT_CHANGED_SIGNAL] =
 127                 g_signal_new ("format_changed",
 128                               G_TYPE_FROM_CLASS (gobject_class),
 129                               G_SIGNAL_RUN_FIRST,
 130                               G_STRUCT_OFFSET (ModestDatetimeFormatterClass, format_changed),
 131                               NULL, NULL,
 132                               g_cclosure_marshal_VOID__VOID,
 133                               G_TYPE_NONE, 0);
 134 }
 135
 136 #ifdef MODEST_TOOLKIT_HILDON2
 137 static void
 138 update_format (ModestDatetimeFormatter *obj)
 139 {
 140         GConfClient *gconf;
 141         GError *err = NULL;
 142         gboolean gconf_value;
 143         ModestDatetimeFormatterPrivate *priv;
 144
 145         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (obj);
 146
 147         gconf = gconf_client_get_default ();
 148         gconf_value = gconf_client_get_bool (gconf, HILDON2_GCONF_FORMAT_KEY,
 149                                              &err);
 150
 151         if (err != NULL) {
 152                 g_warning ("Error reading time format in gconf %s", err->message);
 153                 g_error_free (err);
 154         } else {
 155                 priv->current_format = gconf_value?DATETIME_FORMAT_24H:DATETIME_FORMAT_12H;
 156         }
 157 }
 158
 159 static void
 160 clock_format_changed (GConfClient *gconf,
 161                       guint cnxn_id,
 162                       GConfEntry *entry,
 163                       gpointer userdata)
 164 {
 165         ModestDatetimeFormatter *self = (ModestDatetimeFormatter *) userdata;
 166
 167         update_format (self);
 168         g_signal_emit (G_OBJECT (self), signals[FORMAT_CHANGED_SIGNAL], 0);
 169 }
 170 #endif
 171
 172 #ifdef MODEST_USE_LIBTIME
 173 static void
 174 time_changed_cb (gpointer userdata)
 175 {
 176         if (global_self) {
 177                 time_get_synced ();
 178                 g_signal_emit (global_self, signals[FORMAT_CHANGED_SIGNAL], 0);
 179         }
 180 }
 181 #endif
 182
 183 static void
 184 init_format (ModestDatetimeFormatter *obj)
 185 {
 186         ModestDatetimeFormatterPrivate *priv;
 187
 188         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (obj);
 189
 190         priv->current_format = DATETIME_FORMAT_LOCALE;
 191
 192 #ifdef MODEST_TOOLKIT_HILDON2
 193         GConfClient *gconf;
 194         GError *err = NULL;
 195
 196         gconf = gconf_client_get_default ();
 197         gconf_client_add_dir (gconf, HILDON2_GCONF_FORMAT_DIR,
 198                               GCONF_CLIENT_PRELOAD_ONELEVEL,
 199                               &err);
 200         priv->gconf_handler = gconf_client_notify_add (gconf, HILDON2_GCONF_FORMAT_KEY,
 201                                                        clock_format_changed, (gpointer) obj,
 202                                                        NULL, &err);
 203
 204         if (err != NULL) {
 205                 g_warning ("Error listening to time format in gconf %s", err->message);
 206                 g_error_free (err);
 207         }
 208
 209         update_format (obj);
 210 #endif
 211
 212 #ifdef MODEST_USE_LIBTIME
 213         if (OSSO_OK == osso_time_set_notification_cb (modest_platform_get_osso_context (),
 214                                                       time_changed_cb,
 215                                                       NULL))
 216                 global_self = obj;
 217         time_get_synced ();
 218 #endif
 219
 220 }
 221
 222 static void
 223 modest_datetime_formatter_instance_init (ModestDatetimeFormatter *obj)
 224 {
 225         init_format (obj);
 226 }
 227
 228 static void
 229 modest_datetime_formatter_finalize   (GObject *obj)
 230 {
 231 #ifdef MODEST_TOOLKIT_HILDON2
 232         ModestDatetimeFormatterPrivate *priv;
 233         GConfClient *gconf;
 234
 235         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (obj);
 236         gconf = gconf_client_get_default ();
 237         gconf_client_notify_remove (gconf,
 238                                     priv->gconf_handler);
 239         priv->gconf_handler = 0;
 240         gconf_client_remove_dir (gconf, HILDON2_GCONF_FORMAT_DIR,
 241                                  NULL);
 242
 243         /* Disconnect notification */
 244 #ifdef MODEST_USE_LIBTIME
 245         if (OSSO_OK != osso_time_set_notification_cb (modest_platform_get_osso_context (),
 246                                                       NULL, NULL))
 247                 global_self = NULL;
 248 #endif
 249 #endif
 250         G_OBJECT_CLASS (parent_class)->finalize (obj);
 251 }
 252
 253 ModestDatetimeFormatter*
 254 modest_datetime_formatter_new (void)
 255 {
 256         return g_object_new (MODEST_TYPE_DATETIME_FORMATTER, NULL);
 257 }
 258
 259 const gchar *
 260 modest_datetime_formatter_format_date (ModestDatetimeFormatter *self,
 261                                        time_t date)
 262 {
 263 #define DATE_BUF_SIZE 64
 264
 265         static gchar date_buf[DATE_BUF_SIZE];
 266         ModestDatetimeFormatterPrivate *priv;
 267         const gchar *format_string = NULL;
 268
 269         g_return_val_if_fail (MODEST_IS_DATETIME_FORMATTER (self), NULL);
 270         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (self);
 271
 272         switch (priv->current_format) {
 273         case DATETIME_FORMAT_12H:
 274         case DATETIME_FORMAT_24H:
 275                 format_string = _HL("wdgt_va_date");
 276                 break;
 277         case DATETIME_FORMAT_LOCALE:
 278                 format_string = "%x";
 279                 break;
 280         }
 281         modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, format_string, date);
 282
 283         return date_buf;
 284 }
 285
 286 const gchar *
 287 modest_datetime_formatter_format_time (ModestDatetimeFormatter *self,
 288                                        time_t date)
 289 {
 290 #define DATE_BUF_SIZE 64
 291
 292         static gchar date_buf[DATE_BUF_SIZE];
 293         ModestDatetimeFormatterPrivate *priv;
 294         const gchar *format_string = NULL;
 295         gboolean is_pm;
 296         struct tm localtime_tm = {0, };
 297
 298         g_return_val_if_fail (MODEST_IS_DATETIME_FORMATTER (self), NULL);
 299         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (self);
 300 #ifdef MODEST_USE_LIBTIME
 301         time_get_local_ex (date, &localtime_tm);
 302 #else
 303         time_t date_copy;
 304         date_copy = date;
 305         localtime_r (&date_copy, &localtime_tm);
 306 #endif
 307         is_pm = (localtime_tm.tm_hour/12) % 2;
 308
 309         switch (priv->current_format) {
 310         case DATETIME_FORMAT_12H:
 311                 format_string = is_pm?_HL("wdgt_va_12h_time_pm"):_HL("wdgt_va_12h_time_am");
 312                 break;
 313         case DATETIME_FORMAT_24H:
 314                 format_string = _HL("wdgt_va_24h_time");
 315                 break;
 316         case DATETIME_FORMAT_LOCALE:
 317                 format_string = "%X";
 318                 break;
 319         }
 320         modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, format_string, date);
 321
 322         return date_buf;
 323 }
 324
 325 const gchar *
 326 modest_datetime_formatter_display_long_datetime (ModestDatetimeFormatter *self,
 327                                                  time_t date)
 328 {
 329
 330 #define DATE_BUF_DOUBLE_SIZE 128
 331
 332         static gchar date_buf[DATE_BUF_DOUBLE_SIZE];
 333
 334         snprintf (date_buf, DATE_BUF_DOUBLE_SIZE,
 335                   "%s %s", modest_datetime_formatter_format_date (self, date),
 336                   modest_datetime_formatter_format_time (self, date));
 337
 338         return date_buf;
 339 }
 340
 341 const gchar *
 342 modest_datetime_formatter_display_datetime (ModestDatetimeFormatter *self,
 343                                             time_t date)
 344 {
 345
 346         struct tm today_localtime_tm = {0, };
 347         struct tm date_localtime_tm = {0, };
 348         time_t today;
 349
 350         today = time (NULL);
 351 #ifdef MODEST_USE_LIBTIME
 352         time_get_local_ex (today, &today_localtime_tm);
 353         time_get_local_ex (date, &date_localtime_tm);
 354 #else
 355         time_t date_copy;
 356         date_copy = today;
 357         localtime_r (&date_copy, &today_localtime_tm);
 358         date_copy = date;
 359         localtime_r (&date_copy, &date_localtime_tm);
 360 #endif
 361
 362         if (today_localtime_tm.tm_mday == date_localtime_tm.tm_mday &&
 363             today_localtime_tm.tm_mon == date_localtime_tm.tm_mon &&
 364             today_localtime_tm.tm_year == date_localtime_tm.tm_year)
 365                 return modest_datetime_formatter_format_time (self, date);
 366         else
 367                 return modest_datetime_formatter_format_date (self, date);
 368 }