git.maemo.org Git - modest/blob - src/modest-singletons.c

   1 /* Copyright (c) 2006, 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 "modest-singletons.h"
  31 #include "modest-runtime.h"
  32
  33 /* 'private'/'protected' functions */
  34 static void modest_singletons_class_init (ModestSingletonsClass *klass);
  35 static void modest_singletons_init       (ModestSingletons *obj);
  36 static void modest_singletons_finalize   (GObject *obj);
  37
  38 typedef struct _ModestSingletonsPrivate ModestSingletonsPrivate;
  39 struct _ModestSingletonsPrivate {
  40         ModestConf                *conf;
  41         ModestAccountMgr          *account_mgr;
  42         ModestEmailClipboard      *email_clipboard;
  43         ModestCacheMgr            *cache_mgr;
  44         ModestMailOperationQueue  *mail_op_queue;
  45         TnyPlatformFactory        *platform_fact;
  46         TnyDevice                 *device;
  47         ModestWindowMgr           *window_mgr;
  48 };
  49 #define MODEST_SINGLETONS_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  50                                                MODEST_TYPE_SINGLETONS, \
  51                                                ModestSingletonsPrivate))
  52 /* globals */
  53 static GObjectClass *parent_class = NULL;
  54
  55 GType
  56 modest_singletons_get_type (void)
  57 {
  58         static GType my_type = 0;
  59         if (!my_type) {
  60                 static const GTypeInfo my_info = {
  61                         sizeof(ModestSingletonsClass),
  62                         NULL,           /* base init */
  63                         NULL,           /* base finalize */
  64                         (GClassInitFunc) modest_singletons_class_init,
  65                         NULL,           /* class finalize */
  66                         NULL,           /* class data */
  67                         sizeof(ModestSingletons),
  68                         1,              /* n_preallocs */
  69                         (GInstanceInitFunc) modest_singletons_init,
  70                         NULL
  71                 };
  72                 my_type = g_type_register_static (G_TYPE_OBJECT,
  73                                                   "ModestSingletons",
  74                                                   &my_info, 0);
  75         }
  76         return my_type;
  77 }
  78
  79 static void
  80 modest_singletons_class_init (ModestSingletonsClass *klass)
  81 {
  82         GObjectClass *gobject_class;
  83         gobject_class = (GObjectClass*) klass;
  84
  85         parent_class            = g_type_class_peek_parent (klass);
  86         gobject_class->finalize = modest_singletons_finalize;
  87
  88         g_type_class_add_private (gobject_class, sizeof(ModestSingletonsPrivate));
  89 }
  90
  91 static void
  92 modest_singletons_init (ModestSingletons *obj)
  93 {
  94         ModestSingletonsPrivate *priv;
  95         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
  96
  97         priv->conf            = NULL;
  98         priv->account_mgr     = NULL;
  99         priv->email_clipboard = NULL;
 100         priv->cache_mgr       = NULL;
 101         priv->mail_op_queue   = NULL;
 102         priv->platform_fact   = NULL;
 103         priv->device          = NULL;
 104         priv->window_mgr      = NULL;
 105
 106         priv->conf           = modest_conf_new ();
 107         if (!priv->conf) {
 108                 g_printerr ("modest: cannot create modest conf instance\n");
 109                 return;
 110         }
 111
 112         priv->account_mgr    = modest_account_mgr_new (priv->conf);
 113         if (!priv->account_mgr) {
 114                 g_printerr ("modest: cannot create modest account mgr instance\n");
 115                 return;
 116         }
 117
 118         priv->email_clipboard    = modest_email_clipboard_new ();
 119         if (!priv->email_clipboard) {
 120                 g_printerr ("modest: cannot create modest email clipboard instance\n");
 121                 return;
 122         }
 123
 124         priv->platform_fact  = modest_tny_platform_factory_get_instance ();
 125         if (!priv->platform_fact) {
 126                 g_printerr ("modest: cannot create platform factory instance\n");
 127                 return;
 128         }
 129
 130         priv->device  = tny_platform_factory_new_device (priv->platform_fact);
 131         if (!priv->device) {
 132                 g_printerr ("modest: cannot create tny device instance\n");
 133                 return;
 134         }
 135
 136         priv->cache_mgr     = modest_cache_mgr_new ();
 137         if (!priv->cache_mgr) {
 138                 g_printerr ("modest: cannot create modest cache mgr instance\n");
 139                 return;
 140         }
 141
 142         priv->mail_op_queue  = modest_mail_operation_queue_new ();
 143         if (!priv->mail_op_queue) {
 144                 g_printerr ("modest: cannot create modest mail operation queue instance\n");
 145                 return;
 146         }
 147
 148         priv->window_mgr = modest_window_mgr_new ();
 149         if (!priv->window_mgr) {
 150                 g_printerr ("modest: cannot create modest window manager instance\n");
 151                 return;
 152         }
 153 }
 154
 155 static void
 156 modest_singletons_finalize (GObject *obj)
 157 {
 158         ModestSingletonsPrivate *priv;
 159
 160         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
 161
 162         if (priv->window_mgr) {
 163                 modest_runtime_verify_object_last_ref(priv->window_mgr,"");
 164                 g_object_unref (G_OBJECT(priv->window_mgr));
 165                 priv->window_mgr = NULL;
 166         }
 167
 168         if (priv->email_clipboard) {
 169                 modest_runtime_verify_object_last_ref(priv->email_clipboard,"");
 170                 g_object_unref (G_OBJECT(priv->email_clipboard));
 171                 priv->email_clipboard = NULL;
 172         }
 173
 174         if (priv->cache_mgr) {
 175                 modest_runtime_verify_object_last_ref(priv->cache_mgr,"");
 176                 g_object_unref (G_OBJECT(priv->cache_mgr));
 177                 priv->cache_mgr = NULL;
 178         }
 179
 180         if (priv->device) {
 181                 modest_runtime_verify_object_last_ref(priv->device,"");
 182                 g_object_unref (G_OBJECT(priv->device));
 183                 priv->device = NULL;
 184         }
 185
 186         if (priv->platform_fact) {
 187                 modest_runtime_verify_object_last_ref(priv->platform_fact,"");
 188                 g_object_unref (G_OBJECT(priv->platform_fact));
 189                 priv->platform_fact = NULL;
 190         }
 191
 192         if (priv->mail_op_queue) {
 193                 modest_runtime_verify_object_last_ref(priv->mail_op_queue,"");
 194                 g_object_unref (G_OBJECT(priv->mail_op_queue));
 195                 priv->mail_op_queue = NULL;
 196         }
 197
 198         /* It is important that the account manager is uninitialized after
 199          * the mail op queue is uninitialized because the mail op queue
 200          * cancells any mail operations which in turn access the account
 201          * manager (see modest_mail_operation_notify_end()). */
 202         if (priv->account_mgr) {
 203                 modest_runtime_verify_object_last_ref(priv->account_mgr,"");
 204                 g_object_unref (G_OBJECT(priv->account_mgr));
 205                 priv->account_mgr = NULL;
 206         }
 207
 208         if (priv->conf) {
 209                 modest_runtime_verify_object_last_ref(priv->conf,"");
 210                 g_object_unref (G_OBJECT(priv->conf));
 211                 priv->conf = NULL;
 212         }
 213
 214         G_OBJECT_CLASS(parent_class)->finalize (obj);
 215 }
 216
 217 ModestSingletons*
 218 modest_singletons_new (void)
 219 {
 220         ModestSingletonsPrivate *priv;
 221         ModestSingletons *self;
 222         static gboolean invoked = FALSE;
 223
 224         if (invoked) {
 225                 g_printerr ("modest: modest_singletons_new may only be called once\n");
 226                 g_assert (!invoked); /* abort */
 227                 return NULL; /* g_assert may be NOP */
 228         }
 229
 230         self = MODEST_SINGLETONS(g_object_new(MODEST_TYPE_SINGLETONS, NULL));
 231         priv = MODEST_SINGLETONS_GET_PRIVATE(self);
 232
 233         /* widget_factory will still be NULL, as it is initialized lazily */
 234         if (!(priv->conf && priv->account_mgr && priv->email_clipboard &&
 235               priv->cache_mgr && priv->mail_op_queue && priv->device && priv->platform_fact)) {
 236                 g_printerr ("modest: failed to create singletons object\n");
 237                 g_object_unref (G_OBJECT(self));
 238                 self = NULL;
 239         }
 240
 241         invoked = TRUE;
 242         return self;
 243 }
 244
 245
 246 ModestConf*
 247 modest_singletons_get_conf (ModestSingletons *self)
 248 {
 249         g_return_val_if_fail (self, NULL);
 250         return MODEST_SINGLETONS_GET_PRIVATE(self)->conf;
 251 }
 252
 253 ModestAccountMgr*
 254 modest_singletons_get_account_mgr (ModestSingletons *self)
 255 {
 256         g_return_val_if_fail (self, NULL);
 257         return MODEST_SINGLETONS_GET_PRIVATE(self)->account_mgr;
 258 }
 259
 260 ModestEmailClipboard*
 261 modest_singletons_get_email_clipboard (ModestSingletons *self)
 262 {
 263         g_return_val_if_fail (self, NULL);
 264         return MODEST_SINGLETONS_GET_PRIVATE(self)->email_clipboard;
 265 }
 266
 267 ModestCacheMgr*
 268 modest_singletons_get_cache_mgr (ModestSingletons *self)
 269 {
 270         g_return_val_if_fail (self, NULL);
 271         return MODEST_SINGLETONS_GET_PRIVATE(self)->cache_mgr;
 272 }
 273
 274 ModestMailOperationQueue*
 275 modest_singletons_get_mail_operation_queue (ModestSingletons *self)
 276 {
 277         g_return_val_if_fail (self, NULL);
 278         return MODEST_SINGLETONS_GET_PRIVATE(self)->mail_op_queue;
 279 }
 280
 281 TnyDevice*
 282 modest_singletons_get_device (ModestSingletons *self)
 283 {
 284         g_return_val_if_fail (self, NULL);
 285         return MODEST_SINGLETONS_GET_PRIVATE(self)->device;
 286 }
 287
 288
 289 TnyPlatformFactory*
 290 modest_singletons_get_platform_factory (ModestSingletons *self)
 291 {
 292         g_return_val_if_fail (self, NULL);
 293         return MODEST_SINGLETONS_GET_PRIVATE(self)->platform_fact;
 294 }
 295
 296 ModestWindowMgr*
 297 modest_singletons_get_window_mgr (ModestSingletons *self)
 298 {
 299         g_return_val_if_fail (self, NULL);
 300         return MODEST_SINGLETONS_GET_PRIVATE(self)->window_mgr;
 301 }