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