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         ModestToolkitFactory      *toolkit_factory;
  59         TnyStreamCache            *images_cache;
  60 };
  61 #define MODEST_SINGLETONS_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  62                                                MODEST_TYPE_SINGLETONS, \
  63                                                ModestSingletonsPrivate))
  64 /* globals */
  65 static GObjectClass *parent_class = NULL;
  66
  67 GType
  68 modest_singletons_get_type (void)
  69 {
  70         static GType my_type = 0;
  71         if (!my_type) {
  72                 static const GTypeInfo my_info = {
  73                         sizeof(ModestSingletonsClass),
  74                         NULL,           /* base init */
  75                         NULL,           /* base finalize */
  76                         (GClassInitFunc) modest_singletons_class_init,
  77                         NULL,           /* class finalize */
  78                         NULL,           /* class data */
  79                         sizeof(ModestSingletons),
  80                         1,              /* n_preallocs */
  81                         (GInstanceInitFunc) modest_singletons_init,
  82                         NULL
  83                 };
  84                 my_type = g_type_register_static (G_TYPE_OBJECT,
  85                                                   "ModestSingletons",
  86                                                   &my_info, 0);
  87         }
  88         return my_type;
  89 }
  90
  91 static void
  92 modest_singletons_class_init (ModestSingletonsClass *klass)
  93 {
  94         GObjectClass *gobject_class;
  95         gobject_class = (GObjectClass*) klass;
  96
  97         parent_class            = g_type_class_peek_parent (klass);
  98         gobject_class->finalize = modest_singletons_finalize;
  99
 100         g_type_class_add_private (gobject_class, sizeof(ModestSingletonsPrivate));
 101 }
 102
 103 static void
 104 modest_singletons_init (ModestSingletons *obj)
 105 {
 106         ModestSingletonsPrivate *priv;
 107         gchar *images_cache_path;
 108         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
 109
 110         priv->conf            = NULL;
 111         priv->account_mgr     = NULL;
 112         priv->email_clipboard = NULL;
 113         priv->cache_mgr       = NULL;
 114         priv->mail_op_queue   = NULL;
 115         priv->platform_fact   = NULL;
 116         priv->device          = NULL;
 117         priv->window_mgr      = NULL;
 118         priv->protocol_registry = NULL;
 119         priv->plugin_factory = NULL;
 120         priv->toolkit_factory = NULL;
 121
 122         priv->protocol_registry = modest_protocol_registry_new ();
 123         if (!priv->protocol_registry) {
 124                 g_printerr ("modest:cannot create protocol registry instance\n");
 125                 return;
 126         }
 127         modest_protocol_registry_set_to_default (priv->protocol_registry);
 128         priv->images_cache    = NULL;
 129
 130         priv->conf           = modest_conf_new ();
 131         if (!priv->conf) {
 132                 g_printerr ("modest: cannot create modest conf instance\n");
 133                 return;
 134         }
 135
 136         priv->account_mgr    = modest_account_mgr_new (priv->conf);
 137         if (!priv->account_mgr) {
 138                 g_printerr ("modest: cannot create modest account mgr instance\n");
 139                 return;
 140         }
 141
 142         priv->email_clipboard    = modest_email_clipboard_new ();
 143         if (!priv->email_clipboard) {
 144                 g_printerr ("modest: cannot create modest email clipboard instance\n");
 145                 return;
 146         }
 147
 148         priv->platform_fact  = modest_tny_platform_factory_get_instance ();
 149         if (!priv->platform_fact) {
 150                 g_printerr ("modest: cannot create platform factory instance\n");
 151                 return;
 152         }
 153
 154         priv->toolkit_factory  = modest_toolkit_factory_get_instance ();
 155         if (!priv->toolkit_factory) {
 156                 g_printerr ("modest: cannot create toolkit factory instance\n");
 157                 return;
 158         }
 159
 160         priv->device  = tny_platform_factory_new_device (priv->platform_fact);
 161         if (!priv->device) {
 162                 g_printerr ("modest: cannot create tny device instance\n");
 163                 return;
 164         }
 165
 166         priv->cache_mgr     = modest_cache_mgr_new ();
 167         if (!priv->cache_mgr) {
 168                 g_printerr ("modest: cannot create modest cache mgr instance\n");
 169                 return;
 170         }
 171
 172         priv->mail_op_queue  = modest_mail_operation_queue_new ();
 173         if (!priv->mail_op_queue) {
 174                 g_printerr ("modest: cannot create modest mail operation queue instance\n");
 175                 return;
 176         }
 177
 178 #if MODEST_TOOLKIT_HILDON2
 179         priv->window_mgr = modest_hildon2_window_mgr_new ();
 180 #else
 181         priv->window_mgr = modest_hildon1_window_mgr_new ();
 182 #endif
 183         if (!priv->window_mgr) {
 184                 g_printerr ("modest: cannot create modest window manager instance\n");
 185                 return;
 186         }
 187
 188         priv->plugin_factory = modest_plugin_factory_new ();
 189         if (!priv->plugin_factory) {
 190                 g_printerr ("modest: cannot create modest mail plugin factory instance\n");
 191                 return;
 192         }
 193
 194         images_cache_path = g_build_filename (g_get_home_dir (), MODEST_DIR, MODEST_IMAGES_CACHE_DIR, NULL);
 195         priv->images_cache = tny_fs_stream_cache_new (images_cache_path, MODEST_IMAGES_CACHE_SIZE);
 196         g_free (images_cache_path);
 197         if (!priv->images_cache) {
 198                 g_printerr ("modest: cannot create images cache instance\n");
 199                 return;
 200         }
 201
 202 }
 203
 204 static void
 205 modest_singletons_finalize (GObject *obj)
 206 {
 207         ModestSingletonsPrivate *priv;
 208
 209         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
 210
 211         if (priv->images_cache) {
 212                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF (priv->images_cache, "");
 213                 g_object_unref (G_OBJECT (priv->images_cache));
 214                 priv->images_cache = NULL;
 215         }
 216
 217         if (priv->window_mgr) {
 218                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->window_mgr,"");
 219                 g_object_unref (G_OBJECT(priv->window_mgr));
 220                 priv->window_mgr = NULL;
 221         }
 222
 223         if (priv->mail_op_queue) {
 224                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->mail_op_queue,"");
 225                 g_object_unref (G_OBJECT(priv->mail_op_queue));
 226                 priv->mail_op_queue = NULL;
 227         }
 228
 229         if (priv->cache_mgr) {
 230                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->cache_mgr,"");
 231                 g_object_unref (G_OBJECT(priv->cache_mgr));
 232                 priv->cache_mgr = NULL;
 233         }
 234
 235         if (priv->device) {
 236                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->device,"");
 237                 g_object_unref (G_OBJECT(priv->device));
 238                 priv->device = NULL;
 239         }
 240
 241         if (priv->platform_fact) {
 242                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->platform_fact,"");
 243                 g_object_unref (G_OBJECT(priv->platform_fact));
 244                 priv->platform_fact = NULL;
 245         }
 246
 247         if (priv->email_clipboard) {
 248                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->email_clipboard,"");
 249                 g_object_unref (G_OBJECT(priv->email_clipboard));
 250                 priv->email_clipboard = NULL;
 251         }
 252
 253         if (priv->protocol_registry) {
 254                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->protocol_registry,"");
 255                 g_object_unref (G_OBJECT(priv->protocol_registry));
 256                 priv->protocol_registry = NULL;
 257         }
 258
 259         if (priv->plugin_factory) {
 260                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->plugin_factory,"");
 261                 g_object_unref (G_OBJECT(priv->plugin_factory));
 262                 priv->plugin_factory = NULL;
 263         }
 264
 265         /* It is important that the account manager is uninitialized after
 266          * the mail op queue is uninitialized because the mail op queue
 267          * cancells any mail operations which in turn access the account
 268          * manager (see modest_mail_operation_notify_end()). */
 269         if (priv->account_mgr) {
 270                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->account_mgr,"");
 271                 g_object_unref (G_OBJECT(priv->account_mgr));
 272                 priv->account_mgr = NULL;
 273         }
 274
 275         if (priv->conf) {
 276                 MODEST_DEBUG_VERIFY_OBJECT_LAST_REF(priv->conf,"");
 277                 g_object_unref (G_OBJECT(priv->conf));
 278                 priv->conf = NULL;
 279         }
 280
 281         G_OBJECT_CLASS(parent_class)->finalize (obj);
 282 }
 283
 284 ModestSingletons*
 285 modest_singletons_new (void)
 286 {
 287         ModestSingletonsPrivate *priv;
 288         ModestSingletons *self;
 289         static gboolean invoked = FALSE;
 290
 291         if (invoked) {
 292                 g_printerr ("%s: modest: modest_singletons_new may only be called once, aborting...\n",
 293                             __FUNCTION__);
 294                 abort();
 295                 return NULL;
 296         }
 297
 298         self = MODEST_SINGLETONS(g_object_new(MODEST_TYPE_SINGLETONS, NULL));
 299         priv = MODEST_SINGLETONS_GET_PRIVATE(self);
 300
 301         /* widget_factory will still be NULL, as it is initialized lazily */
 302         if (!(priv->conf && priv->account_mgr && priv->email_clipboard &&
 303               priv->cache_mgr && priv->mail_op_queue && priv->device &&
 304               priv->platform_fact && priv->plugin_factory)) {
 305                 g_printerr ("modest: failed to create singletons object\n");
 306                 g_object_unref (G_OBJECT(self));
 307                 self = NULL;
 308         }
 309
 310         invoked = TRUE;
 311         return self;
 312 }
 313
 314
 315 ModestConf*
 316 modest_singletons_get_conf (ModestSingletons *self)
 317 {
 318         g_return_val_if_fail (self, NULL);
 319         return MODEST_SINGLETONS_GET_PRIVATE(self)->conf;
 320 }
 321
 322 ModestAccountMgr*
 323 modest_singletons_get_account_mgr (ModestSingletons *self)
 324 {
 325         g_return_val_if_fail (self, NULL);
 326         return MODEST_SINGLETONS_GET_PRIVATE(self)->account_mgr;
 327 }
 328
 329 ModestEmailClipboard*
 330 modest_singletons_get_email_clipboard (ModestSingletons *self)
 331 {
 332         g_return_val_if_fail (self, NULL);
 333         return MODEST_SINGLETONS_GET_PRIVATE(self)->email_clipboard;
 334 }
 335
 336 ModestCacheMgr*
 337 modest_singletons_get_cache_mgr (ModestSingletons *self)
 338 {
 339         g_return_val_if_fail (self, NULL);
 340         return MODEST_SINGLETONS_GET_PRIVATE(self)->cache_mgr;
 341 }
 342
 343 ModestMailOperationQueue*
 344 modest_singletons_get_mail_operation_queue (ModestSingletons *self)
 345 {
 346         g_return_val_if_fail (self, NULL);
 347         return MODEST_SINGLETONS_GET_PRIVATE(self)->mail_op_queue;
 348 }
 349
 350 TnyDevice*
 351 modest_singletons_get_device (ModestSingletons *self)
 352 {
 353         g_return_val_if_fail (self, NULL);
 354         return MODEST_SINGLETONS_GET_PRIVATE(self)->device;
 355 }
 356
 357
 358 TnyPlatformFactory*
 359 modest_singletons_get_platform_factory (ModestSingletons *self)
 360 {
 361         g_return_val_if_fail (self, NULL);
 362         return MODEST_SINGLETONS_GET_PRIVATE(self)->platform_fact;
 363 }
 364
 365 ModestToolkitFactory*
 366 modest_singletons_get_toolkit_factory (ModestSingletons *self)
 367 {
 368         g_return_val_if_fail (self, NULL);
 369         return MODEST_SINGLETONS_GET_PRIVATE(self)->toolkit_factory;
 370 }
 371
 372 ModestWindowMgr*
 373 modest_singletons_get_window_mgr (ModestSingletons *self)
 374 {
 375         g_return_val_if_fail (self, NULL);
 376         return MODEST_SINGLETONS_GET_PRIVATE(self)->window_mgr;
 377 }
 378
 379 ModestProtocolRegistry*
 380 modest_singletons_get_protocol_registry (ModestSingletons *self)
 381 {
 382         g_return_val_if_fail (self, NULL);
 383         return MODEST_SINGLETONS_GET_PRIVATE(self)->protocol_registry;
 384 }
 385
 386 TnyStreamCache*
 387 modest_singletons_get_images_cache (ModestSingletons *self)
 388 {
 389         g_return_val_if_fail (self, NULL);
 390         return MODEST_SINGLETONS_GET_PRIVATE(self)->images_cache;
 391 }
 392
 393 ModestPluginFactory *
 394 modest_singletons_get_plugin_factory (ModestSingletons *self)
 395 {
 396         g_return_val_if_fail (self, NULL);
 397
 398         return MODEST_SINGLETONS_GET_PRIVATE (self)->plugin_factory;
 399 }