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 #endif
  41
  42 typedef enum {
  43         DATETIME_FORMAT_12H,
  44         DATETIME_FORMAT_24H,
  45         DATETIME_FORMAT_LOCALE,
  46 } DatetimeFormat;
  47
  48 #define HILDON2_GCONF_FORMAT_DIR "/apps/clock"
  49 #define HILDON2_GCONF_FORMAT_KEY HILDON2_GCONF_FORMAT_DIR "/time-format"
  50
  51 /* 'private'/'protected' functions */
  52 static void   modest_datetime_formatter_class_init (ModestDatetimeFormatterClass *klass);
  53 static void   modest_datetime_formatter_finalize   (GObject *obj);
  54 static void   modest_datetime_formatter_instance_init (ModestDatetimeFormatter *obj);
  55
  56 typedef struct _ModestDatetimeFormatterPrivate ModestDatetimeFormatterPrivate;
  57 struct _ModestDatetimeFormatterPrivate {
  58         DatetimeFormat current_format;
  59 #ifdef MODEST_TOOLKIT_HILDON2
  60         guint gconf_handler;
  61 #endif
  62 };
  63
  64 #define MODEST_DATETIME_FORMATTER_GET_PRIVATE(o)     (G_TYPE_INSTANCE_GET_PRIVATE ((o), \
  65                                                                                    MODEST_TYPE_DATETIME_FORMATTER, \
  66                                                                                    ModestDatetimeFormatterPrivate))
  67
  68 enum {
  69         FORMAT_CHANGED_SIGNAL,
  70         LAST_SIGNAL
  71 };
  72
  73 /* globals */
  74 static GObjectClass *parent_class = NULL;
  75
  76 static guint signals[LAST_SIGNAL] = {0};
  77
  78 GType
  79 modest_datetime_formatter_get_type (void)
  80 {
  81         static GType my_type = 0;
  82
  83         if (!my_type) {
  84                 static const GTypeInfo my_info = {
  85                         sizeof(ModestDatetimeFormatterClass),
  86                         NULL,   /* base init */
  87                         NULL,   /* base finalize */
  88                         (GClassInitFunc) modest_datetime_formatter_class_init,
  89                         NULL,   /* class finalize */
  90                         NULL,   /* class data */
  91                         sizeof(ModestDatetimeFormatter),
  92                         0,      /* n_preallocs */
  93                         (GInstanceInitFunc) modest_datetime_formatter_instance_init,
  94                         NULL
  95                 };
  96
  97                 my_type = g_type_register_static (G_TYPE_OBJECT,
  98                                                   "ModestDatetimeFormatter",
  99                                                   &my_info, 0);
 100         }
 101         return my_type;
 102 }
 103
 104 static void
 105 modest_datetime_formatter_class_init (ModestDatetimeFormatterClass *klass)
 106 {
 107         GObjectClass *gobject_class;
 108         gobject_class = (GObjectClass *) klass;
 109
 110         parent_class = g_type_class_peek_parent (klass);
 111         gobject_class->finalize = modest_datetime_formatter_finalize;
 112
 113         g_type_class_add_private (gobject_class,
 114                                   sizeof(ModestDatetimeFormatterPrivate));
 115
 116         signals[FORMAT_CHANGED_SIGNAL] =
 117                 g_signal_new ("format_changed",
 118                               G_TYPE_FROM_CLASS (gobject_class),
 119                               G_SIGNAL_RUN_FIRST,
 120                               G_STRUCT_OFFSET (ModestDatetimeFormatterClass, format_changed),
 121                               NULL, NULL,
 122                               g_cclosure_marshal_VOID__VOID,
 123                               G_TYPE_NONE, 0);
 124 }
 125
 126 #ifdef MODEST_TOOLKIT_HILDON2
 127 static void
 128 update_format (ModestDatetimeFormatter *obj)
 129 {
 130         GConfClient *gconf;
 131         GError *err = NULL;
 132         gboolean gconf_value;
 133         ModestDatetimeFormatterPrivate *priv;
 134
 135         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (obj);
 136
 137         gconf = gconf_client_get_default ();
 138         gconf_value = gconf_client_get_bool (gconf, HILDON2_GCONF_FORMAT_KEY,
 139                                              &err);
 140
 141         if (err != NULL) {
 142                 g_warning ("Error reading time format in gconf %s", err->message);
 143                 g_error_free (err);
 144         } else {
 145                 priv->current_format = gconf_value?DATETIME_FORMAT_24H:DATETIME_FORMAT_12H;
 146         }
 147 }
 148
 149 static void
 150 clock_format_changed (GConfClient *gconf,
 151                       guint cnxn_id,
 152                       GConfEntry *entry,
 153                       gpointer userdata)
 154 {
 155         ModestDatetimeFormatter *self = (ModestDatetimeFormatter *) userdata;
 156
 157         update_format (self);
 158         g_signal_emit (G_OBJECT (self), signals[FORMAT_CHANGED_SIGNAL], 0);
 159 }
 160 #endif
 161
 162 static void
 163 init_format (ModestDatetimeFormatter *obj)
 164 {
 165         ModestDatetimeFormatterPrivate *priv;
 166
 167         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (obj);
 168
 169         priv->current_format = DATETIME_FORMAT_LOCALE;
 170
 171 #ifdef MODEST_TOOLKIT_HILDON2
 172         GConfClient *gconf;
 173         GError *err = NULL;
 174
 175         gconf = gconf_client_get_default ();
 176         gconf_client_add_dir (gconf, HILDON2_GCONF_FORMAT_DIR,
 177                               GCONF_CLIENT_PRELOAD_ONELEVEL,
 178                               &err);
 179         priv->gconf_handler = gconf_client_notify_add (gconf, HILDON2_GCONF_FORMAT_KEY,
 180                                                        clock_format_changed, (gpointer) obj,
 181                                                        NULL, &err);
 182
 183         if (err != NULL) {
 184                 g_warning ("Error listening to time format in gconf %s", err->message);
 185                 g_error_free (err);
 186         }
 187         update_format (obj);
 188 #endif
 189 }
 190
 191 static void
 192 modest_datetime_formatter_instance_init (ModestDatetimeFormatter *obj)
 193 {
 194         init_format (obj);
 195 }
 196
 197 static void
 198 modest_datetime_formatter_finalize   (GObject *obj)
 199 {
 200 #ifdef MODEST_TOOLKIT_HILDON2
 201         ModestDatetimeFormatterPrivate *priv;
 202         GConfClient *gconf;
 203
 204         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (obj);
 205         gconf = gconf_client_get_default ();
 206         gconf_client_notify_remove (gconf,
 207                                     priv->gconf_handler);
 208         priv->gconf_handler = 0;
 209         gconf_client_remove_dir (gconf, HILDON2_GCONF_FORMAT_DIR,
 210                                  NULL);
 211 #endif
 212         G_OBJECT_CLASS (parent_class)->finalize (obj);
 213 }
 214
 215 ModestDatetimeFormatter*
 216 modest_datetime_formatter_new (void)
 217 {
 218         return g_object_new (MODEST_TYPE_DATETIME_FORMATTER, NULL);
 219 }
 220
 221 const gchar *
 222 modest_datetime_formatter_format_date (ModestDatetimeFormatter *self,
 223                                        time_t date)
 224 {
 225 #define DATE_BUF_SIZE 64
 226
 227         static gchar date_buf[DATE_BUF_SIZE];
 228         ModestDatetimeFormatterPrivate *priv;
 229         const gchar *format_string = NULL;
 230
 231         g_return_val_if_fail (MODEST_IS_DATETIME_FORMATTER (self), NULL);
 232         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (self);
 233
 234         switch (priv->current_format) {
 235         case DATETIME_FORMAT_12H:
 236         case DATETIME_FORMAT_24H:
 237                 format_string = _HL("wdgt_va_date");
 238                 break;
 239         case DATETIME_FORMAT_LOCALE:
 240                 format_string = "%x";
 241                 break;
 242         }
 243         modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, format_string, date);
 244
 245         return date_buf;
 246 }
 247
 248 const gchar *
 249 modest_datetime_formatter_format_time (ModestDatetimeFormatter *self,
 250                                        time_t date)
 251 {
 252 #define DATE_BUF_SIZE 64
 253
 254         static gchar date_buf[DATE_BUF_SIZE];
 255         ModestDatetimeFormatterPrivate *priv;
 256         const gchar *format_string = NULL;
 257         gboolean is_pm;
 258         struct tm localtime_tm = {0, };
 259
 260         g_return_val_if_fail (MODEST_IS_DATETIME_FORMATTER (self), NULL);
 261         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (self);
 262 #ifdef MODEST_USE_LIBTIME
 263         time_get_local_ex (date, &localtime_tm);
 264 #else
 265         time_t date_copy;
 266         date_copy = date;
 267         localtime_r (&date_copy, &localtime_tm);
 268 #endif
 269         is_pm = (localtime_tm.tm_hour/12) % 2;
 270
 271         switch (priv->current_format) {
 272         case DATETIME_FORMAT_12H:
 273                 format_string = is_pm?_HL("wdgt_va_12h_time_pm"):_HL("wdgt_va_12h_time_am");
 274                 break;
 275         case DATETIME_FORMAT_24H:
 276                 format_string = _HL("wdgt_va_24h_time");
 277                 break;
 278         case DATETIME_FORMAT_LOCALE:
 279                 format_string = "%X";
 280                 break;
 281         }
 282         modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, format_string, date);
 283
 284         return date_buf;
 285 }
 286
 287 const gchar *
 288 modest_datetime_formatter_display_long_datetime (ModestDatetimeFormatter *self,
 289                                                  time_t date)
 290 {
 291
 292 #define DATE_BUF_DOUBLE_SIZE 128
 293
 294         static gchar date_buf[DATE_BUF_DOUBLE_SIZE];
 295
 296         snprintf (date_buf, DATE_BUF_DOUBLE_SIZE,
 297                   "%s %s", modest_datetime_formatter_format_date (self, date),
 298                   modest_datetime_formatter_format_time (self, date));
 299
 300         return date_buf;
 301 }
 302
 303 const gchar *
 304 modest_datetime_formatter_display_datetime (ModestDatetimeFormatter *self,
 305                                             time_t date)
 306 {
 307
 308         struct tm today_localtime_tm = {0, };
 309         struct tm date_localtime_tm = {0, };
 310         time_t today;
 311
 312         today = time (NULL);
 313 #ifdef MODEST_USE_LIBTIME
 314         time_get_local_ex (today, &today_localtime_tm);
 315         time_get_local_ex (date, &date_localtime_tm);
 316 #else
 317         time_t date_copy;
 318         date_copy = today;
 319         localtime_r (&date_copy, &today_localtime_tm);
 320         date_copy = date;
 321         localtime_r (&date_copy, &date_localtime_tm);
 322 #endif
 323
 324         if (today_localtime_tm.tm_mday == date_localtime_tm.tm_mday &&
 325             today_localtime_tm.tm_mon == date_localtime_tm.tm_mon &&
 326             today_localtime_tm.tm_year == date_localtime_tm.tm_year)
 327                 return modest_datetime_formatter_format_time (self, date);
 328         else
 329                 return modest_datetime_formatter_format_date (self, date);
 330 }