* Add a new singleton to be used as headers clipboard
[modest] / src / modest-singletons.c
1 /* Copyright (c) 2006, Nokia Corporation
2  * All rights reserved.
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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         ModestTnyAccountStore     *account_store;
44         ModestCacheMgr            *cache_mgr;   
45         ModestMailOperationQueue  *mail_op_queue;
46         TnyPlatformFactory        *platform_fact;
47         TnyDevice                 *device;
48         ModestWindowMgr           *window_mgr;
49 };
50 #define MODEST_SINGLETONS_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
51                                                MODEST_TYPE_SINGLETONS, \
52                                                ModestSingletonsPrivate))
53 /* globals */
54 static GObjectClass *parent_class = NULL;
55
56 GType
57 modest_singletons_get_type (void)
58 {
59         static GType my_type = 0;
60         if (!my_type) {
61                 static const GTypeInfo my_info = {
62                         sizeof(ModestSingletonsClass),
63                         NULL,           /* base init */
64                         NULL,           /* base finalize */
65                         (GClassInitFunc) modest_singletons_class_init,
66                         NULL,           /* class finalize */
67                         NULL,           /* class data */
68                         sizeof(ModestSingletons),
69                         1,              /* n_preallocs */
70                         (GInstanceInitFunc) modest_singletons_init,
71                         NULL
72                 };
73                 my_type = g_type_register_static (G_TYPE_OBJECT,
74                                                   "ModestSingletons",
75                                                   &my_info, 0);
76         }
77         return my_type;
78 }
79
80 static void
81 modest_singletons_class_init (ModestSingletonsClass *klass)
82 {
83         GObjectClass *gobject_class;
84         gobject_class = (GObjectClass*) klass;
85
86         parent_class            = g_type_class_peek_parent (klass);
87         gobject_class->finalize = modest_singletons_finalize;
88
89         g_type_class_add_private (gobject_class, sizeof(ModestSingletonsPrivate));
90 }
91
92 static void
93 modest_singletons_init (ModestSingletons *obj)
94 {
95         ModestSingletonsPrivate *priv;
96         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
97
98         priv->conf            = NULL;
99         priv->account_mgr     = NULL;
100         priv->email_clipboard = NULL;
101         priv->account_store   = NULL;
102         priv->cache_mgr       = NULL;
103         priv->mail_op_queue   = NULL;
104         priv->platform_fact   = NULL;
105         priv->device          = NULL;
106         priv->window_mgr      = NULL;
107         
108         priv->conf           = modest_conf_new ();
109         if (!priv->conf) {
110                 g_printerr ("modest: cannot create modest conf instance\n");
111                 return;
112         }
113
114         priv->account_mgr    = modest_account_mgr_new (priv->conf);
115         if (!priv->account_mgr) {
116                 g_printerr ("modest: cannot create modest account mgr instance\n");
117                 return;
118         }
119
120         priv->email_clipboard    = modest_email_clipboard_new ();
121         if (!priv->email_clipboard) {
122                 g_printerr ("modest: cannot create modest email clipboard instance\n");
123                 return;
124         }
125
126         priv->platform_fact  = modest_tny_platform_factory_get_instance ();
127         if (!priv->platform_fact) {
128                 g_printerr ("modest: cannot create platform factory instance\n");
129                 return;
130         }
131
132         priv->device  = tny_platform_factory_new_device (priv->platform_fact);
133         if (!priv->device) {
134                 g_printerr ("modest: cannot create tny device instance\n");
135                 return;
136         }
137         
138         priv->account_store  = modest_tny_account_store_new (priv->account_mgr, priv->device);
139         if (!priv->account_store) {
140                 g_printerr ("modest: cannot create modest tny account store instance\n");
141                 return;
142         }
143         
144         priv->cache_mgr     = modest_cache_mgr_new ();
145         if (!priv->cache_mgr) {
146                 g_printerr ("modest: cannot create modest cache mgr instance\n");
147                 return;
148         }
149
150         priv->mail_op_queue  = modest_mail_operation_queue_new ();
151         if (!priv->mail_op_queue) {
152                 g_printerr ("modest: cannot create modest mail operation queue instance\n");
153                 return;
154         }
155
156         priv->window_mgr = modest_window_mgr_new ();
157         if (!priv->window_mgr) {
158                 g_printerr ("modest: cannot create modest window manager instance\n");
159                 return;
160         }
161 }
162
163 static void
164 modest_singletons_finalize (GObject *obj)
165 {
166         ModestSingletonsPrivate *priv;
167                 
168         priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
169
170         if (priv->account_store) {
171                 modest_runtime_verify_object_last_ref(priv->account_store,"");
172                 g_object_unref (G_OBJECT(priv->account_store));
173                 priv->account_store = NULL;
174         }
175
176         if (priv->account_mgr) {
177                 modest_runtime_verify_object_last_ref(priv->account_mgr,"");
178                 g_object_unref (G_OBJECT(priv->account_mgr));
179                 priv->account_mgr = NULL;
180         }
181
182         if (priv->email_clipboard) {
183                 modest_runtime_verify_object_last_ref(priv->email_clipboard,"");
184                 g_object_unref (G_OBJECT(priv->email_clipboard));
185                 priv->email_clipboard = NULL;
186         }
187
188         if (priv->conf) {
189                 modest_runtime_verify_object_last_ref(priv->conf,"");
190                 g_object_unref (G_OBJECT(priv->conf));
191                 priv->conf = NULL;
192         }
193
194         if (priv->cache_mgr) {
195                 modest_runtime_verify_object_last_ref(priv->cache_mgr,"");
196                 g_object_unref (G_OBJECT(priv->cache_mgr));
197                 priv->cache_mgr = NULL;
198         }
199
200         if (priv->device) {
201                 modest_runtime_verify_object_last_ref(priv->device,"");
202                 g_object_unref (G_OBJECT(priv->device));
203                 priv->device = NULL;
204         }
205
206         if (priv->platform_fact) {
207                 modest_runtime_verify_object_last_ref(priv->platform_fact,"");
208                 g_object_unref (G_OBJECT(priv->platform_fact));
209                 priv->platform_fact = NULL;
210         }
211
212         if (priv->mail_op_queue) {
213                 modest_runtime_verify_object_last_ref(priv->mail_op_queue,"");
214                 g_object_unref (G_OBJECT(priv->mail_op_queue));
215                 priv->mail_op_queue = NULL;
216         }
217         
218         if (priv->window_mgr) {
219                 modest_runtime_verify_object_last_ref(priv->window_mgr,"");
220                 g_object_unref (G_OBJECT(priv->window_mgr));
221                 priv->window_mgr = NULL;
222         }
223
224         G_OBJECT_CLASS(parent_class)->finalize (obj);
225 }
226
227 ModestSingletons*
228 modest_singletons_new (void)
229 {
230         ModestSingletonsPrivate *priv;
231         ModestSingletons *self;
232         static gboolean invoked = FALSE;
233
234         if (invoked) {
235                 g_printerr ("modest: modest_singletons_new may only be called once\n");
236                 g_assert (!invoked); /* abort */
237                 return NULL; /* g_assert may be NOP */
238         }
239         
240         self = MODEST_SINGLETONS(g_object_new(MODEST_TYPE_SINGLETONS, NULL));
241         priv = MODEST_SINGLETONS_GET_PRIVATE(self);
242         
243         /* widget_factory will still be NULL, as it is initialized lazily */
244         if (!(priv->conf && priv->account_mgr && priv->email_clipboard && priv->account_store &&
245               priv->cache_mgr && priv->mail_op_queue && priv->device && priv->platform_fact)) {
246                 g_printerr ("modest: failed to create singletons object\n");
247                 g_object_unref (G_OBJECT(self));
248                 self = NULL;
249         }
250
251         invoked = TRUE;
252         return self;
253 }
254
255
256 ModestConf*
257 modest_singletons_get_conf (ModestSingletons *self)
258 {
259         g_return_val_if_fail (self, NULL);
260         return MODEST_SINGLETONS_GET_PRIVATE(self)->conf;
261 }
262
263 ModestAccountMgr*
264 modest_singletons_get_account_mgr (ModestSingletons *self)
265 {
266         g_return_val_if_fail (self, NULL);
267         return MODEST_SINGLETONS_GET_PRIVATE(self)->account_mgr;
268 }
269
270 ModestEmailClipboard*
271 modest_singletons_get_email_clipboard (ModestSingletons *self)
272 {
273         g_return_val_if_fail (self, NULL);
274         return MODEST_SINGLETONS_GET_PRIVATE(self)->email_clipboard;
275 }
276
277 ModestTnyAccountStore*
278 modest_singletons_get_account_store (ModestSingletons *self)
279 {
280         g_return_val_if_fail (self, NULL);
281         return MODEST_SINGLETONS_GET_PRIVATE(self)->account_store;
282 }
283
284 ModestCacheMgr*
285 modest_singletons_get_cache_mgr (ModestSingletons *self)
286 {
287         g_return_val_if_fail (self, NULL);
288         return MODEST_SINGLETONS_GET_PRIVATE(self)->cache_mgr;
289 }
290
291 ModestMailOperationQueue*
292 modest_singletons_get_mail_operation_queue (ModestSingletons *self)
293 {
294         g_return_val_if_fail (self, NULL);
295         return MODEST_SINGLETONS_GET_PRIVATE(self)->mail_op_queue;
296 }
297
298 TnyDevice*
299 modest_singletons_get_device (ModestSingletons *self)
300 {
301         g_return_val_if_fail (self, NULL);
302         return MODEST_SINGLETONS_GET_PRIVATE(self)->device;
303 }
304
305
306 TnyPlatformFactory*
307 modest_singletons_get_platform_factory (ModestSingletons *self)
308 {
309         g_return_val_if_fail (self, NULL);
310         return MODEST_SINGLETONS_GET_PRIVATE(self)->platform_fact;
311 }
312
313 ModestWindowMgr* 
314 modest_singletons_get_window_mgr (ModestSingletons *self)
315 {
316         g_return_val_if_fail (self, NULL);
317         return MODEST_SINGLETONS_GET_PRIVATE(self)->window_mgr;
318 }