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 #include "modest-defs.h"
  33 #include "modest-debug.h"
  34 #ifdef MODEST_TOOLKIT_HILDON2
  35 #include "hildon2/modest-hildon2-window-mgr.h"
  36 #else
  37 #include "widgets/modest-hildon1-window-mgr.h"
  38 #endif
  39 #include <tny-fs-stream-cache.h>
  40
  41 /* 'private'/'protected' functions */
  42 static void modest_singletons_class_init (ModestSingletonsClass *klass);
  43 static void modest_singletons_init       (ModestSingletons *obj);
  44 static void modest_singletons_finalize   (GObject *obj);
  45
  46 typedef struct _ModestSingletonsPrivate ModestSingletonsPrivate;
  47 struct _ModestSingletonsPrivate {
  48         ModestConf                *conf;
  49         ModestAccountMgr          *account_mgr;
  50         ModestEmailClipboard      *email_clipboard;
  51         ModestCacheMgr            *cache_mgr;
  52         ModestMailOperationQueue  *mail_op_queue;
  53         TnyPlatformFactory        *platform_fact;
  54         TnyDevice                 *device;
  55         ModestWindowMgr           *window_mgr;
  56         ModestProtocolRegistry    *protocol_registry;
  57         ModestPluginFactory   *plugin_factory;
  58         TnyStreamCache            *images_cache;
  59 };
  60 #define MODEST_SINGLETONS_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  61                                                MODEST_TYPE_SINGLETONS, \
  62                                                ModestSingletonsPrivate))
  63 /* globals */
  64 static GObjectClass *parent_class = NULL;
  65
  66 GType
  67 modest_singletons_get_type (void)
  68 {
  69         static GType my_type = 0;
  70         if (!my_type) {
  71                 static const GTypeInfo my_info = {
  72                         sizeof(ModestSingletonsClass),
  73                         NULL,           /* base init */
  74                         NULL,           /* base finalize */
  75                         (GClassInitFunc) modest_singletons_class_init,
  76                         NULL,           /* class finalize */
  77                         NULL,           /* class data */
  78                         sizeof(ModestSingletons),
  79                         1,              /* n_preallocs */
  80                         (GInstanceInitFunc) modest_singletons_init,
  81                         NULL
  82                 };
  83                 my_type = g_type_register_static (G_TYPE_OBJECT,
  84                                                   "ModestSingletons",
  85                                                   &my_info, 0);
  86         }
  87         return my_type;
  88 }
  89
  90 static void
  91 modest_singletons_class_init (ModestSingletonsClass *klass)
  92 {
  93         GObjectClass *gobject_class;
  94         gobject_class = (GObjectClass*) klass;
  95
  96         parent_class            = g_type_class_peek_parent (klass);
  97         gobject_class->finalize = modest_singletons_finalize;
  98
  99         g_type_class_add_private (gobject_class, sizeof(ModestSingletonsPrivate));
 100 }
 101
 102 static void
 103 modest_singletons_init (ModestSingletons *obj)
 104 {
 105         ModestSingletonsPrivate *priv;
 106         gchar *images_cache_path;
 107         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
 108
 109         priv->conf            = NULL;
 110         priv->account_mgr     = NULL;
 111         priv->email_clipboard = NULL;
 112         priv->cache_mgr       = NULL;
 113         priv->mail_op_queue   = NULL;
 114         priv->platform_fact   = NULL;
 115         priv->device          = NULL;
 116         priv->window_mgr      = NULL;
 117         priv->protocol_registry = NULL;
 118         priv->plugin_factory = NULL;
 119
 120         priv->protocol_registry = modest_protocol_registry_new ();
 121         if (!priv->protocol_registry) {
 122                 g_printerr ("modest:cannot create protocol registry instance\n");
 123                 return;
 124         }
 125         modest_protocol_registry_set_to_default (priv->protocol_registry);
 126         priv->images_cache    = NULL;
 127
 128         priv->conf           = modest_conf_new ();
 129         if (!priv->conf) {
 130                 g_printerr ("modest: cannot create modest conf instance\n");
 131                 return;
 132         }
 133
 134         priv->account_mgr    = modest_account_mgr_new (priv->conf);
 135         if (!priv->account_mgr) {
 136                 g_printerr ("modest: cannot create modest account mgr instance\n");
 137                 return;
 138         }
 139
 140         priv->email_clipboard    = modest_email_clipboard_new ();
 141         if (!priv->email_clipboard) {
 142                 g_printerr ("modest: cannot create modest email clipboard instance\n");
 143                 return;
 144         }
 145
 146         priv->platform_fact  = modest_tny_platform_factory_get_instance ();
 147         if (!priv->platform_fact) {
 148                 g_printerr ("modest: cannot create platform factory instance\n");
 149                 return;
 150         }
 151
 152         priv->device  = tny_platform_factory_new_device (priv->platform_fact);
 153         if (!priv->device) {
 154                 g_printerr ("modest: cannot create tny device instance\n");
 155                 return;
 156         }
 157
 158         priv->cache_mgr     = modest_cache_mgr_new ();
 159         if (!priv->cache_mgr) {
 160                 g_printerr ("modest: cannot create modest cache mgr instance\n");
 161                 return;
 162         }
 163
 164         priv->mail_op_queue  = modest_mail_operation_queue_new ();
 165         if (!priv->mail_op_queue) {
 166                 g_printerr ("modest: cannot create modest mail operation queue instance\n");
 167                 return;
 168         }
 169
 170 #if MODEST_TOOLKIT_HILDON2
 171         priv->window_mgr = modest_hildon2_window_mgr_new ();
 172 #else
 173         priv->window_mgr = modest_hildon1_window_mgr_new ();
 174 #endif
 175         if (!priv->window_mgr) {
 176                 g_printerr ("modest: cannot create modest window manager instance\n");
 177                 return;
 178         }
 179
 180         priv->plugin_factory = modest_plugin_factory_new ();
 181         if (!priv->plugin_factory) {
 182                 g_printerr ("modest: cannot create modest mail plugin factory instance\n");
 183                 return;
 184         }
 185
 186         images_cache_path = g_build_filename (g_get_home_dir (), MODEST_DIR, MODEST_IMAGES_CACHE_DIR, NULL);
 187         priv->images_cache = tny_fs_stream_cache_new (images_cache_path, MODEST_IMAGES_CACHE_SIZE);
 188         g_free (images_cache_path);
 189         if (!priv->images_cache) {
 190                 g_printerr ("modest: cannot create images cache instance\n");
 191                 return;
 192         }
 193
 194 }
 195
 196 static void
 197 modest_singletons_finalize (GObject *obj)
 198 {
 199         ModestSingletonsPrivate *priv;
 200
 201         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
 202
 203         if (priv->images_cache) {
 204                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF (priv->images_cache, "");
 205                 g_object_unref (G_OBJECT (priv->images_cache));
 206                 priv->images_cache = NULL;
 207         }
 208
 209         if (priv->window_mgr) {
 210                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->window_mgr,"");
 211                 g_object_unref (G_OBJECT(priv->window_mgr));
 212                 priv->window_mgr = NULL;
 213         }
 214
 215         if (priv->mail_op_queue) {
 216                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->mail_op_queue,"");
 217                 g_object_unref (G_OBJECT(priv->mail_op_queue));
 218                 priv->mail_op_queue = NULL;
 219         }
 220
 221         if (priv->cache_mgr) {
 222                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->cache_mgr,"");
 223                 g_object_unref (G_OBJECT(priv->cache_mgr));
 224                 priv->cache_mgr = NULL;
 225         }
 226
 227         if (priv->device) {
 228                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->device,"");
 229                 g_object_unref (G_OBJECT(priv->device));
 230                 priv->device = NULL;
 231         }
 232
 233         if (priv->platform_fact) {
 234                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->platform_fact,"");
 235                 g_object_unref (G_OBJECT(priv->platform_fact));
 236                 priv->platform_fact = NULL;
 237         }
 238
 239         if (priv->email_clipboard) {
 240                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->email_clipboard,"");
 241                 g_object_unref (G_OBJECT(priv->email_clipboard));
 242                 priv->email_clipboard = NULL;
 243         }
 244
 245         /* It is important that the account manager is uninitialized after
 246          * the mail op queue is uninitialized because the mail op queue
 247          * cancells any mail operations which in turn access the account
 248          * manager (see modest_mail_operation_notify_end()). */
 249         if (priv->account_mgr) {
 250                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->account_mgr,"");
 251                 g_object_unref (G_OBJECT(priv->account_mgr));
 252                 priv->account_mgr = NULL;
 253         }
 254
 255         if (priv->conf) {
 256                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->conf,"");
 257                 g_object_unref (G_OBJECT(priv->conf));
 258                 priv->conf = NULL;
 259         }
 260
 261         G_OBJECT_CLASS(parent_class)->finalize (obj);
 262 }
 263
 264 ModestSingletons*
 265 modest_singletons_new (void)
 266 {
 267         ModestSingletonsPrivate *priv;
 268         ModestSingletons *self;
 269         static gboolean invoked = FALSE;
 270
 271         if (invoked) {
 272                 g_printerr ("%s: modest: modest_singletons_new may only be called once, aborting...\n",
 273                             __FUNCTION__);
 274                 abort();
 275                 return NULL;
 276         }
 277
 278         self = MODEST_SINGLETONS(g_object_new(MODEST_TYPE_SINGLETONS, NULL));
 279         priv = MODEST_SINGLETONS_GET_PRIVATE(self);
 280
 281         /* widget_factory will still be NULL, as it is initialized lazily */
 282         if (!(priv->conf && priv->account_mgr && priv->email_clipboard &&
 283               priv->cache_mgr && priv->mail_op_queue && priv->device &&
 284               priv->platform_fact && priv->plugin_factory)) {
 285                 g_printerr ("modest: failed to create singletons object\n");
 286                 g_object_unref (G_OBJECT(self));
 287                 self = NULL;
 288         }
 289
 290         invoked = TRUE;
 291         return self;
 292 }
 293
 294
 295 ModestConf*
 296 modest_singletons_get_conf (ModestSingletons *self)
 297 {
 298         g_return_val_if_fail (self, NULL);
 299         return MODEST_SINGLETONS_GET_PRIVATE(self)->conf;
 300 }
 301
 302 ModestAccountMgr*
 303 modest_singletons_get_account_mgr (ModestSingletons *self)
 304 {
 305         g_return_val_if_fail (self, NULL);
 306         return MODEST_SINGLETONS_GET_PRIVATE(self)->account_mgr;
 307 }
 308
 309 ModestEmailClipboard*
 310 modest_singletons_get_email_clipboard (ModestSingletons *self)
 311 {
 312         g_return_val_if_fail (self, NULL);
 313         return MODEST_SINGLETONS_GET_PRIVATE(self)->email_clipboard;
 314 }
 315
 316 ModestCacheMgr*
 317 modest_singletons_get_cache_mgr (ModestSingletons *self)
 318 {
 319         g_return_val_if_fail (self, NULL);
 320         return MODEST_SINGLETONS_GET_PRIVATE(self)->cache_mgr;
 321 }
 322
 323 ModestMailOperationQueue*
 324 modest_singletons_get_mail_operation_queue (ModestSingletons *self)
 325 {
 326         g_return_val_if_fail (self, NULL);
 327         return MODEST_SINGLETONS_GET_PRIVATE(self)->mail_op_queue;
 328 }
 329
 330 TnyDevice*
 331 modest_singletons_get_device (ModestSingletons *self)
 332 {
 333         g_return_val_if_fail (self, NULL);
 334         return MODEST_SINGLETONS_GET_PRIVATE(self)->device;
 335 }
 336
 337
 338 TnyPlatformFactory*
 339 modest_singletons_get_platform_factory (ModestSingletons *self)
 340 {
 341         g_return_val_if_fail (self, NULL);
 342         return MODEST_SINGLETONS_GET_PRIVATE(self)->platform_fact;
 343 }
 344
 345 ModestWindowMgr*
 346 modest_singletons_get_window_mgr (ModestSingletons *self)
 347 {
 348         g_return_val_if_fail (self, NULL);
 349         return MODEST_SINGLETONS_GET_PRIVATE(self)->window_mgr;
 350 }
 351
 352 ModestProtocolRegistry*
 353 modest_singletons_get_protocol_registry (ModestSingletons *self)
 354 {
 355         g_return_val_if_fail (self, NULL);
 356         return MODEST_SINGLETONS_GET_PRIVATE(self)->protocol_registry;
 357 }
 358
 359 TnyStreamCache*
 360 modest_singletons_get_images_cache (ModestSingletons *self)
 361 {
 362         g_return_val_if_fail (self, NULL);
 363         return MODEST_SINGLETONS_GET_PRIVATE(self)->images_cache;
 364 }
 365
 366 ModestPluginFactory *
 367 modest_singletons_get_plugin_factory (ModestSingletons *self)
 368 {
 369         g_return_val_if_fail (self, NULL);
 370
 371         return MODEST_SINGLETONS_GET_PRIVATE (self)->plugin_factory;
 372 }