* Now we put signatures before the original/forwarded messages (fixes
[modest] / src / modest-main.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 <config.h>
31 #include <gdk/gdk.h>
32 #include <string.h>
33 #include <glib.h>
34 #include <modest-runtime.h>
35 #include <modest-init.h>
36 #include "modest-platform.h"
37 #include "modest-ui-actions.h"
38 #include <widgets/modest-main-window.h>
39
40 typedef struct {
41         gulong queue_handler;
42         gulong window_list_handler;
43         gulong get_password_handler;
44 } MainSignalHandlers;
45
46 static gboolean
47 on_idle_exit_modest (gpointer data)
48 {
49         MainSignalHandlers *handlers;
50         ModestMailOperationQueue *mail_op_queue;
51
52         /* Protect the Gtk calls */
53         gdk_threads_enter ();
54         mail_op_queue = modest_runtime_get_mail_operation_queue ();
55
56         if (modest_mail_operation_queue_running_shutdown (mail_op_queue)) {
57
58                 /* Disconnect signals. Will be freed by the destroy notify */
59                 handlers = (MainSignalHandlers *) data;
60                 g_signal_handler_disconnect (modest_runtime_get_mail_operation_queue (), 
61                                              handlers->queue_handler);
62                 g_signal_handler_disconnect (modest_runtime_get_window_mgr (), 
63                                              handlers->window_list_handler);
64                 g_signal_handler_disconnect (modest_runtime_get_account_store (), 
65                                              handlers->get_password_handler);           
66                 g_free (handlers);
67
68                 /* Wait for remaining tasks */
69                 while (gtk_events_pending ())
70                         gtk_main_iteration ();
71                 
72                 gtk_main_quit ();
73         } else {
74                 ModestMailOperation *mail_op;
75                 mail_op = modest_mail_operation_new (NULL);
76                 modest_mail_operation_queue_add (mail_op_queue, mail_op);
77                 modest_mail_operation_shutdown (mail_op, modest_runtime_get_account_store ());
78                 g_object_unref (mail_op);
79         }
80                 
81         gdk_threads_leave ();
82
83         return FALSE;
84 }
85
86 static void
87 on_queue_empty (ModestMailOperationQueue *queue,
88                 gpointer user_data)
89 {
90         ModestWindowMgr *mgr = modest_runtime_get_window_mgr ();
91
92         /* Exit if the queue is empty and there are no more
93            windows. We can exit as well if the main window is hidden
94            and it's the only one */
95         if (modest_window_mgr_num_windows (mgr) == 0)
96                 g_idle_add_full (G_PRIORITY_LOW, on_idle_exit_modest, user_data, NULL);
97 }
98
99 static void
100 on_window_list_empty (ModestWindowMgr *window_mgr,
101                       gpointer user_data)
102 {
103         ModestMailOperationQueue *queue = modest_runtime_get_mail_operation_queue ();
104
105         /* Exit if there are no more windows and the queue is empty */
106         if (modest_mail_operation_queue_num_elements (queue) == 0)
107                 g_idle_add_full (G_PRIORITY_LOW, on_idle_exit_modest, user_data, NULL);
108 }
109
110 int
111 main (int argc, char *argv[])
112 {
113         /* Usually we don't show the application at first, 
114          * because we wait for the top_application D-Bus method to 
115          * be called. But that's annoying when starting from the 
116          * command line.: */
117         gboolean show_ui_without_top_application_method = FALSE;
118         int retval  = 0;
119         MainSignalHandlers *handlers;
120
121         if (argc >= 2) {
122                 if (strcmp (argv[1], "showui") == 0)
123                         show_ui_without_top_application_method = TRUE;
124         }
125
126         if (!show_ui_without_top_application_method) {
127                 g_print ("modest: use 'modest showui' to start from cmdline  with UI\n");
128         }       
129                 
130         if (!g_thread_supported())
131                 g_thread_init (NULL);
132
133         gdk_threads_init ();
134         gdk_threads_enter ();
135
136         if (!getenv("DISPLAY")) {
137                 g_printerr ("modest: DISPLAY env variable is not set\n");
138                 retval = 1;
139                 goto cleanup;
140         }
141         
142         if (!gtk_init_check (&argc, &argv)) {
143                 g_printerr ("modest: failed to initialize gtk\n");
144                 retval = 1;
145                 goto cleanup;
146         }
147
148         if (!modest_init (argc, argv)) {
149                 g_printerr ("modest: cannot init modest\n");
150                 retval = 1;
151                 goto cleanup;
152         }
153
154         handlers = g_malloc0 (sizeof (MainSignalHandlers));
155         /* Connect to the "queue-emtpy" signal */
156         handlers->queue_handler = 
157                 g_signal_connect (modest_runtime_get_mail_operation_queue (),
158                                   "queue-empty",
159                                   G_CALLBACK (on_queue_empty),
160                                   handlers);
161
162         /* Connect to the "window-list-emtpy" signal */
163         handlers->window_list_handler = 
164                 g_signal_connect (modest_runtime_get_window_mgr (),
165                                   "window-list-empty",
166                                   G_CALLBACK (on_window_list_empty),
167                                   handlers);
168
169         /* Connect to the "password-requested" signal */
170         handlers->get_password_handler = 
171                 g_signal_connect (modest_runtime_get_account_store (),
172                                   "password_requested",
173                                   G_CALLBACK (modest_ui_actions_on_password_requested),
174                                   NULL);
175
176         /* Usually, we only show the UI when we get the "top_application" D-Bus method.
177          * This allows modest to start via D-Bus activation to provide a service,
178          * without showing the UI.
179          * The UI will be shown later (or just after starting if no otehr D-Bus method was used),
180          * when we receive the "top_application" D-Bus method.
181          */
182         if (show_ui_without_top_application_method) {
183                 ModestWindow *main_win;
184
185                 /* this will create & register the window */
186                 main_win = modest_window_mgr_get_main_window (modest_runtime_get_window_mgr(), 
187                                                               TRUE);
188                 if (!main_win) {
189                         g_printerr ("modest: failed to get main window instance\n");
190                         retval = 1;
191                         goto cleanup;
192                 }
193         
194                 /* Remove new mail notifications if exist */
195                 modest_platform_remove_new_mail_notifications (FALSE);
196         }
197         
198         gtk_main ();
199
200 cleanup:
201         gdk_threads_leave ();
202
203         if (!modest_init_uninit ()) {
204                 g_printerr ("modest: modest_init_uninit failed\n");
205                 retval = 1;
206         }
207
208         return retval;
209 }