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
  39 typedef enum {
  40         DATETIME_FORMAT_12H,
  41         DATETIME_FORMAT_24H,
  42         DATETIME_FORMAT_LOCALE,
  43 } DatetimeFormat;
  44
  45 #define HILDON2_GCONF_FORMAT_DIR "/apps/clock"
  46 #define HILDON2_GCONF_FORMAT_KEY HILDON2_GCONF_FORMAT_DIR "/time-format"
  47
  48 /* 'private'/'protected' functions */
  49 static void   modest_datetime_formatter_class_init (ModestDatetimeFormatterClass *klass);
  50 static void   modest_datetime_formatter_finalize   (GObject *obj);
  51 static void   modest_datetime_formatter_instance_init (ModestDatetimeFormatter *obj);
  52
  53 typedef struct _ModestDatetimeFormatterPrivate ModestDatetimeFormatterPrivate;
  54 struct _ModestDatetimeFormatterPrivate {
  55         DatetimeFormat current_format;
  56 #ifdef MODEST_TOOLKIT_HILDON2
  57         guint gconf_handler;
  58 #endif
  59 };
  60
  61 #define MODEST_DATETIME_FORMATTER_GET_PRIVATE(o)     (G_TYPE_INSTANCE_GET_PRIVATE ((o), \
  62                                                                                    MODEST_TYPE_DATETIME_FORMATTER, \
  63                                                                                    ModestDatetimeFormatterPrivate))
  64
  65 enum {
  66         FORMAT_CHANGED_SIGNAL,
  67         LAST_SIGNAL
  68 };
  69
  70 /* globals */
  71 static GObjectClass *parent_class = NULL;
  72
  73 static guint signals[LAST_SIGNAL] = {0};
  74
  75 GType
  76 modest_datetime_formatter_get_type (void)
  77 {
  78         static GType my_type = 0;
  79
  80         if (!my_type) {
  81                 static const GTypeInfo my_info = {
  82                         sizeof(ModestDatetimeFormatterClass),
  83                         NULL,   /* base init */
  84                         NULL,   /* base finalize */
  85                         (GClassInitFunc) modest_datetime_formatter_class_init,
  86                         NULL,   /* class finalize */
  87                         NULL,   /* class data */
  88                         sizeof(ModestDatetimeFormatter),
  89                         0,      /* n_preallocs */
  90                         (GInstanceInitFunc) modest_datetime_formatter_instance_init,
  91                         NULL
  92                 };
  93
  94                 my_type = g_type_register_static (G_TYPE_OBJECT,
  95                                                   "ModestDatetimeFormatter",
  96                                                   &my_info, 0);
  97         }
  98         return my_type;
  99 }
 100
 101 static void
 102 modest_datetime_formatter_class_init (ModestDatetimeFormatterClass *klass)
 103 {
 104         GObjectClass *gobject_class;
 105         gobject_class = (GObjectClass *) klass;
 106
 107         parent_class = g_type_class_peek_parent (klass);
 108         gobject_class->finalize = modest_datetime_formatter_finalize;
 109
 110         g_type_class_add_private (gobject_class,
 111                                   sizeof(ModestDatetimeFormatterPrivate));
 112
 113         signals[FORMAT_CHANGED_SIGNAL] =
 114                 g_signal_new ("format_changed",
 115                               G_TYPE_FROM_CLASS (gobject_class),
 116                               G_SIGNAL_RUN_FIRST,
 117                               G_STRUCT_OFFSET (ModestDatetimeFormatterClass, format_changed),
 118                               NULL, NULL,
 119                               g_cclosure_marshal_VOID__VOID,
 120                               G_TYPE_NONE, 0);
 121 }
 122
 123 #ifdef MODEST_TOOLKIT_HILDON2
 124 static void
 125 update_format (ModestDatetimeFormatter *obj)
 126 {
 127         GConfClient *gconf;
 128         GError *err = NULL;
 129         gboolean gconf_value;
 130         ModestDatetimeFormatterPrivate *priv;
 131
 132         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (obj);
 133
 134         gconf = gconf_client_get_default ();
 135         gconf_value = gconf_client_get_bool (gconf, HILDON2_GCONF_FORMAT_KEY,
 136                                              &err);
 137
 138         if (err != NULL) {
 139                 g_warning ("Error reading time format in gconf %s", err->message);
 140                 g_error_free (err);
 141         } else {
 142                 priv->current_format = gconf_value?DATETIME_FORMAT_24H:DATETIME_FORMAT_12H;
 143         }
 144 }
 145
 146 static void
 147 clock_format_changed (GConfClient *gconf,
 148                       guint cnxn_id,
 149                       GConfEntry *entry,
 150                       gpointer userdata)
 151 {
 152         ModestDatetimeFormatter *self = (ModestDatetimeFormatter *) userdata;
 153
 154         update_format (self);
 155         g_signal_emit (G_OBJECT (self), signals[FORMAT_CHANGED_SIGNAL], 0);
 156 }
 157 #endif
 158
 159 static void
 160 init_format (ModestDatetimeFormatter *obj)
 161 {
 162         ModestDatetimeFormatterPrivate *priv;
 163
 164         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (obj);
 165
 166         priv->current_format = DATETIME_FORMAT_LOCALE;
 167
 168 #ifdef MODEST_TOOLKIT_HILDON2
 169         GConfClient *gconf;
 170         GError *err = NULL;
 171
 172         gconf = gconf_client_get_default ();
 173         gconf_client_add_dir (gconf, HILDON2_GCONF_FORMAT_DIR,
 174                               GCONF_CLIENT_PRELOAD_ONELEVEL,
 175                               &err);
 176         priv->gconf_handler = gconf_client_notify_add (gconf, HILDON2_GCONF_FORMAT_KEY,
 177                                                        clock_format_changed, (gpointer) obj,
 178                                                        NULL, &err);
 179
 180         if (err != NULL) {
 181                 g_warning ("Error listening to time format in gconf %s", err->message);
 182                 g_error_free (err);
 183         }
 184         update_format (obj);
 185 #endif
 186 }
 187
 188 static void
 189 modest_datetime_formatter_instance_init (ModestDatetimeFormatter *obj)
 190 {
 191         init_format (obj);
 192 }
 193
 194 static void
 195 modest_datetime_formatter_finalize   (GObject *obj)
 196 {
 197 #ifdef MODEST_TOOLKIT_HILDON2
 198         ModestDatetimeFormatterPrivate *priv;
 199         GConfClient *gconf;
 200
 201         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (obj);
 202         gconf = gconf_client_get_default ();
 203         gconf_client_notify_remove (gconf,
 204                                     priv->gconf_handler);
 205         priv->gconf_handler = 0;
 206         gconf_client_remove_dir (gconf, HILDON2_GCONF_FORMAT_DIR,
 207                                  NULL);
 208 #endif
 209         G_OBJECT_CLASS (parent_class)->finalize (obj);
 210 }
 211
 212 ModestDatetimeFormatter*
 213 modest_datetime_formatter_new (void)
 214 {
 215         return g_object_new (MODEST_TYPE_DATETIME_FORMATTER, NULL);
 216 }
 217
 218 const gchar *
 219 modest_datetime_formatter_format_date (ModestDatetimeFormatter *self,
 220                                        time_t date)
 221 {
 222 #define DATE_BUF_SIZE 64
 223
 224         static gchar date_buf[DATE_BUF_SIZE];
 225         ModestDatetimeFormatterPrivate *priv;
 226         const gchar *format_string = NULL;
 227
 228         g_return_val_if_fail (MODEST_IS_DATETIME_FORMATTER (self), NULL);
 229         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (self);
 230
 231         switch (priv->current_format) {
 232         case DATETIME_FORMAT_12H:
 233         case DATETIME_FORMAT_24H:
 234                 format_string = _HL("wdgt_va_date");
 235                 break;
 236         case DATETIME_FORMAT_LOCALE:
 237                 format_string = "%x";
 238                 break;
 239         }
 240         modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, format_string, date);
 241
 242         return date_buf;
 243 }
 244
 245 const gchar *
 246 modest_datetime_formatter_format_time (ModestDatetimeFormatter *self,
 247                                        time_t date)
 248 {
 249 #define DATE_BUF_SIZE 64
 250
 251         static gchar date_buf[DATE_BUF_SIZE];
 252         ModestDatetimeFormatterPrivate *priv;
 253         const gchar *format_string = NULL;
 254         gboolean is_pm;
 255         struct tm localtime_tm = {0, };
 256         time_t date_copy;
 257
 258         g_return_val_if_fail (MODEST_IS_DATETIME_FORMATTER (self), NULL);
 259         priv = MODEST_DATETIME_FORMATTER_GET_PRIVATE (self);
 260         date_copy = date;
 261         localtime_r (&date_copy, &localtime_tm);
 262         is_pm = (localtime_tm.tm_hour/12) % 2;
 263
 264         switch (priv->current_format) {
 265         case DATETIME_FORMAT_12H:
 266                 format_string = is_pm?_HL("wdgt_va_12h_time_pm"):_HL("wdgt_va_12h_time_am");
 267                 break;
 268         case DATETIME_FORMAT_24H:
 269                 format_string = _HL("wdgt_va_24h_time");
 270                 break;
 271         case DATETIME_FORMAT_LOCALE:
 272                 format_string = "%X";
 273                 break;
 274         }
 275         modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, format_string, date);
 276
 277         return date_buf;
 278 }
 279
 280 const gchar *
 281 modest_datetime_formatter_display_long_datetime (ModestDatetimeFormatter *self,
 282                                                  time_t date)
 283 {
 284
 285 #define DATE_BUF_DOUBLE_SIZE 128
 286
 287         static gchar date_buf[DATE_BUF_DOUBLE_SIZE];
 288
 289         snprintf (date_buf, DATE_BUF_DOUBLE_SIZE,
 290                   "%s %s", modest_datetime_formatter_format_date (self, date),
 291                   modest_datetime_formatter_format_time (self, date));
 292
 293         return date_buf;
 294 }
 295
 296 const gchar *
 297 modest_datetime_formatter_display_datetime (ModestDatetimeFormatter *self,
 298                                             time_t date)
 299 {
 300
 301         int day = time (NULL) / (24*60*60);
 302         int date_day = date / (24*60*60);
 303
 304         if (day == date_day)
 305                 return modest_datetime_formatter_format_time (self, date);
 306         else
 307                 return modest_datetime_formatter_format_date (self, date);
 308 }