fc0a2400baff4faa7a73fef81253da49909f9031
[modest] / src / modest-mail-operation.h
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 #ifndef __MODEST_MAIL_OPERATION_H__
31 #define __MODEST_MAIL_OPERATION_H__
32
33 #include <tny-transport-account.h>
34 #include <tny-folder-store.h>
35 #include <modest-tny-send-queue.h>
36 #include <modest-tny-account-store.h>
37
38 G_BEGIN_DECLS
39
40 /* convenience macros */
41 #define MODEST_TYPE_MAIL_OPERATION             (modest_mail_operation_get_type())
42 #define MODEST_MAIL_OPERATION(obj)             (G_TYPE_CHECK_INSTANCE_CAST((obj),MODEST_TYPE_MAIL_OPERATION,ModestMailOperation))
43 #define MODEST_MAIL_OPERATION_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST((klass),MODEST_TYPE_MAIL_OPERATION,GObject))
44 #define MODEST_IS_MAIL_OPERATION(obj)          (G_TYPE_CHECK_INSTANCE_TYPE((obj),MODEST_TYPE_MAIL_OPERATION))
45 #define MODEST_IS_MAIL_OPERATION_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE((klass),MODEST_TYPE_MAIL_OPERATION))
46 #define MODEST_MAIL_OPERATION_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS((obj),MODEST_TYPE_MAIL_OPERATION,ModestMailOperationClass))
47
48 typedef struct _ModestMailOperation      ModestMailOperation;
49 typedef struct _ModestMailOperationClass ModestMailOperationClass;
50
51 /**
52  * ModestMailOperationStatus:
53  *
54  * The state of a mail operation
55  */
56 typedef enum _ModestMailOperationStatus {
57         MODEST_MAIL_OPERATION_STATUS_INVALID,
58         MODEST_MAIL_OPERATION_STATUS_SUCCESS,
59         MODEST_MAIL_OPERATION_STATUS_FINISHED_WITH_ERRORS,
60         MODEST_MAIL_OPERATION_STATUS_FAILED,
61         MODEST_MAIL_OPERATION_STATUS_IN_PROGRESS,
62         MODEST_MAIL_OPERATION_STATUS_CANCELED
63 } ModestMailOperationStatus;
64
65 /**
66  * ModestMailOperationId:
67  *
68  * The id for identifying the type of mail operation
69  */
70 typedef enum {
71         MODEST_MAIL_OPERATION_TYPE_SEND,
72         MODEST_MAIL_OPERATION_TYPE_RECEIVE,
73         MODEST_MAIL_OPERATION_TYPE_SEND_AND_RECEIVE,
74         MODEST_MAIL_OPERATION_TYPE_OPEN,
75         MODEST_MAIL_OPERATION_TYPE_DELETE,
76         MODEST_MAIL_OPERATION_TYPE_INFO,
77         MODEST_MAIL_OPERATION_TYPE_RUN_QUEUE,
78         MODEST_MAIL_OPERATION_TYPE_SYNC_FOLDER,
79         MODEST_MAIL_OPERATION_TYPE_SHUTDOWN,
80         MODEST_MAIL_OPERATION_TYPE_QUEUE_WAKEUP,
81         MODEST_MAIL_OPERATION_TYPE_UPDATE_FOLDER_COUNTS,
82         MODEST_MAIL_OPERATION_TYPE_UNKNOWN,
83 } ModestMailOperationTypeOperation;
84
85 /**
86  * ErrorCheckingUserCallback:
87  *
88  * @mail_op: the current mail operation.
89  * @user_data: generic data passed to user defined function.
90  *
91  * This function implements required actions to performs under error
92  * states.  
93  */
94 typedef void (*ErrorCheckingUserCallback) (ModestMailOperation *mail_op, gpointer user_data);
95
96 /**
97  * ErrorCheckingUserDataDestroyer:
98  *
99  * @user_data: generic data passed to user defined function.
100  *
101  * This function is used to destroy the user_data passed to the error
102  * checking user callback function
103  */
104 typedef void (*ErrorCheckingUserDataDestroyer) (gpointer user_data);
105
106
107 /**
108  * GetMsgAsyncUserCallback:
109  *
110  * @mail_op: the current #ModestMailOperation.
111  * @header: a #TnyHeader summary item.
112  * @msg: a #TnyMsg message retrieved by async operation.
113  * @user_data: generic data passed to user defined function.
114  *
115  * This function will be called after get_msg_cb private function, which is
116  * used as tinymail operation callback. The private function fills private 
117  * fields of mail operation and calls user defined callback if it exists.
118  */
119 typedef void (*GetMsgAsyncUserCallback) (ModestMailOperation *mail_op, 
120                                          TnyHeader *header, 
121                                          gboolean canceled, 
122                                          TnyMsg *msg, 
123                                          GError *err,
124                                          gpointer user_data);
125
126 /**
127  * GetMimePartSizeCallback:
128  *
129  * @mail_op: the current #ModestMailOperation.
130  * @size: size of the attachment
131  * @user_data: generic data passed to user defined function.
132  *
133  */
134 typedef void (*GetMimePartSizeCallback) (ModestMailOperation *mail_op, 
135                                          gssize size,
136                                          gpointer user_data);
137
138 /**
139  * XferMsgsAsyncUserCallback:
140  *
141  * @obj: a #GObject generic object which has created current mail operation.
142  * @new_folder: the new instance of the #TnyFolder that has been transferred
143  * @user_data: generic data passed to user defined function.
144  *
145  * This function will be called after transfer_msgs_cb private function, which is
146  * used as tinymail operation callback. The private function fills private 
147  * fields of mail operation and calls user defined callback if it exists.
148  */
149 typedef void (*XferMsgsAsyncUserCallback) (ModestMailOperation *mail_op, 
150                                            gpointer user_data);
151
152
153 /**
154  * XferFolderAsyncUserCallback:
155  *
156  * @obj: a #GObject generic object which has created current mail operation.
157  * @new_folder: the new instance of the #TnyFolder that has been transferred
158  * @user_data: generic data passed to user defined function.
159  *
160  * This function will be called after transfer_msgs_cb private function, which is
161  * used as tinymail operation callback. The private function fills private 
162  * fields of mail operation and calls user defined callback if it exists.
163  */
164 typedef void (*XferFolderAsyncUserCallback) (ModestMailOperation *mail_op, 
165                                              TnyFolder *new_folder,
166                                              gpointer user_data);
167
168
169 /**
170  * RefreshAsyncUserCallback:
171  *
172  * @mail_op: the current #ModestMailOperation.
173  * @folder: a #TnyFolder which has been refreshed .
174  * @user_data: generic data passed to user defined function.
175  *
176  * This function will be called after refresh_folder_async_cb private function, which is
177  * used as tinymail operation callback. The private function fills private 
178  * fields of mail operation and calls user defined callback if it exists.
179  */
180 typedef void (*RefreshAsyncUserCallback) (ModestMailOperation *mail_op, 
181                                           TnyFolder *folder, 
182                                           gpointer user_data);
183
184 /**
185  * UpdateAccountCallback:
186  *
187  * @self: a #ModestMailOperation
188  * @new_headers: the list of new headers received
189  * @user_data: generic data passed to user defined function.
190  *
191  * This is the callback of the update_account operation. It informs
192  * the caller about the amount of new messages that have been
193  * downloaded
194  */
195 typedef void (*UpdateAccountCallback) (ModestMailOperation *self, 
196                                        TnyList *new_headers,
197                                        gpointer user_data);
198
199 /**
200  * SaveToDraftsCallback:
201  *
202  * @self: a #ModestMailOperation
203  * @saved_draft: the new draft message that has been saved
204  * @user_data: generic data passed to user defined function.
205  *
206  * This is the callback of the save_to_drafts operation. It returns
207  * the newly created msg stored in the Drafts folder
208  */
209 typedef void (*SaveToDraftstCallback) (ModestMailOperation *self, 
210                                        TnyMsg *saved_draft,
211                                        gpointer user_data);
212
213
214 typedef gboolean (*RetrieveAllCallback) (GObject *source,
215                                          guint num_msgs,
216                                          guint limit);
217
218 /**
219  * CreateFolderUserCallback:
220  *
221  * @mail_op: the current #ModestMailOperation.
222  * @folder: a #TnyFolder summary item.
223  * @user_data: generic data passed to user defined function.
224  *
225  * This function will be called after get_msg_cb private function, which is
226  * used as tinymail operation callback. The private function fills private 
227  * fields of mail operation and calls user defined callback if it exists.
228  */
229 typedef void (*CreateFolderUserCallback) (ModestMailOperation *mail_op, 
230                                           TnyFolderStore *parent_folder,
231                                           TnyFolder *new_folder, 
232                                           gpointer user_data);
233
234 /**
235  * SyncFolderCallback:
236  *
237  * @self: a #ModestMailOperation
238  * @folder: the #TnyFolder to sync
239  * @user_data: generic data passed to user defined function.
240  *
241  * This is the callback of the sync_folder operation.
242  */
243 typedef void (*SyncFolderCallback) (ModestMailOperation *self,
244                                     TnyFolder *folder,
245                                     gpointer user_data);
246
247
248 /* This struct represents the internal state of a mail operation in a
249    given time */
250 typedef struct {
251         guint      done;
252         guint      total;
253         gdouble    bytes_done;
254         gdouble    bytes_total;
255         gboolean   finished;
256         ModestMailOperationStatus        status;
257         ModestMailOperationTypeOperation op_type;
258 } ModestMailOperationState;
259
260
261 struct _ModestMailOperation {
262          GObject parent;
263         /* insert public members, if any */
264 };
265
266 struct _ModestMailOperationClass {
267         GObjectClass parent_class;
268
269         /* Signals */
270         void (*progress_changed) (ModestMailOperation *self, ModestMailOperationState *state, gpointer user_data);
271         void (*operation_started) (ModestMailOperation *self, gpointer user_data);
272         void (*operation_finished) (ModestMailOperation *self, gpointer user_data);
273 };
274
275 /* member functions */
276 GType        modest_mail_operation_get_type    (void) G_GNUC_CONST;
277
278 /**
279  * modest_mail_operation_new:
280  * @source: a #GObject which creates this new operation.
281  * 
282  * Creates a new instance of class #ModestMailOperation, using parameters
283  * to initialize its private structure. @source parameter may be NULL.
284  **/
285 ModestMailOperation*    modest_mail_operation_new     (GObject *source);
286
287 /**
288  * modest_mail_operation_new_with_error_handling:
289  * @id: a #ModestMailOperationId identification of operation type.
290  * @source: a #GObject which creates this new operation.
291  * @error_handler: a #ErrorCheckingUserCallback function to performs operations when 
292  * an error occurs.
293  * 
294  * Creates a new instance of class #ModestMailOperation, using parameters
295  * to initialize its private structure. @source parameter may be NULL. 
296  * @error_handler can not be NULL, but it will be returned an mail operation
297  * object without error handling capability.
298  **/
299 ModestMailOperation*    modest_mail_operation_new_with_error_handling     (GObject *source,
300                                                                            ErrorCheckingUserCallback error_handler,
301                                                                            gpointer user_data,
302                                                                            ErrorCheckingUserDataDestroyer error_handler_destroyer);
303 /**
304  * modest_mail_operation_execute_error_handler
305  * @self: a #ModestMailOperation
306  * 
307  * Executes error handler if exists. The error handler is the one that
308  * MUST free the user data passed to the
309  * modest_mail_operation_new_with_error_handling constructor
310  **/
311 void
312 modest_mail_operation_execute_error_handler (ModestMailOperation *self);
313
314 /**
315  * modest_mail_operation_get_type_operation
316  * @self: a #ModestMailOperation
317  * 
318  * Gets the private op_type field of mail operation. This op_type
319  * identifies the class/type of mail operation.
320  **/
321 ModestMailOperationTypeOperation
322 modest_mail_operation_get_type_operation (ModestMailOperation *self);
323
324 /**
325  * modest_mail_operation_is_mine
326  * @self: a #ModestMailOperation
327  * @source: a #GObject to check if it have created @self operation.
328  * 
329  * Check if @source object its owner of @self mail operation.
330  *
331  * returns: TRUE if source its owner, FALSE otherwise.
332  **/
333 gboolean 
334 modest_mail_operation_is_mine (ModestMailOperation *self, 
335                                GObject *me);
336
337 /**
338  * modest_mail_operation_get_source
339  * @self: a #ModestMailOperation
340  *
341  * returns a new reference to the object that created the mail
342  * operation passed to the constructor, or NULL if none. The caller
343  * must free the new reference
344  **/
345 GObject *
346 modest_mail_operation_get_source (ModestMailOperation *self);
347
348 /* fill in other public functions, eg.: */
349
350 /**
351  * modest_mail_operation_send_mail:
352  * @self: a #ModestMailOperation
353  * @transport_account: a non-NULL #TnyTransportAccount
354  * @msg: a non-NULL #TnyMsg
355  * 
356  * Sends and already existing message using the provided
357  * #TnyTransportAccount. This operation is synchronous, so the
358  * #ModestMailOperation should not be added to any
359  * #ModestMailOperationQueue
360   **/
361 void    modest_mail_operation_send_mail       (ModestMailOperation *self,
362                                                TnyTransportAccount *transport_account,
363                                                TnyMsg* msg);
364
365 /**
366  * modest_mail_operation_send_new_mail:
367  * @self: a #ModestMailOperation
368  * @transport_account: a non-NULL #TnyTransportAccount
369  * @draft_msg: a #TnyMsg of the origin draft message, if any
370  * @from: the email address of the mail sender
371  * @to: a non-NULL email address of the mail receiver
372  * @cc: a comma-separated list of email addresses where to send a carbon copy
373  * @bcc: a comma-separated list of email addresses where to send a blind carbon copy
374  * @subject: the subject of the new mail
375  * @plain_body: the plain text body of the new mail.
376  * @html_body: the html version of the body of the new mail. If NULL, the mail will
377  *             be sent with the plain body only.
378  * @attachments_list: a #GList of attachments, each attachment must be a #TnyMimePart
379  * @images_list: a #GList of image attachments, each attachment must be a #TnyMimePart
380  * 
381  * Sends a new mail message using the provided
382  * #TnyTransportAccount. This operation is synchronous, so the
383  * #ModestMailOperation should not be added to any
384  * #ModestMailOperationQueue
385   **/
386 void    modest_mail_operation_send_new_mail   (ModestMailOperation *self,
387                                                TnyTransportAccount *transport_account,
388                                                TnyMsg *draft_msg,
389                                                const gchar *from,
390                                                const gchar *to,
391                                                const gchar *cc,
392                                                const gchar *bcc,
393                                                const gchar *subject,
394                                                const gchar *plain_body,
395                                                const gchar *html_body,
396                                                const GList *attachments_list,
397                                                const GList *images_list,
398                                                const gchar *references,
399                                                const gchar *in_reply_to,
400                                                TnyHeaderFlags priority_flags,
401                                                TnyList *header_pairs);
402
403
404 /**
405  * modest_mail_operation_save_to_drafts:
406  * @self: a #ModestMailOperation
407  * @transport_account: a non-NULL #TnyTransportAccount
408  * @draft_msg: the previous draft message, in case it's an update
409  * to an existing draft.
410  * @from: the email address of the mail sender
411  * @to: a non-NULL email address of the mail receiver
412  * @cc: a comma-separated list of email addresses where to send a carbon copy
413  * @bcc: a comma-separated list of email addresses where to send a blind carbon copy
414  * @subject: the subject of the new mail
415  * @plain_body: the plain text body of the new mail.
416  * @html_body: the html version of the body of the new mail. If NULL, the mail will
417  *             be sent with the plain body only.
418  * @attachments_list: a #GList of attachments, each attachment must be a #TnyMimePart
419  * @images_list: a #GList of image attachments, each attachment must be a #TnyMimePart
420  * @callback: the user callback, will be called when the operation finishes
421  * @user_data: data that will be passed to the user callback
422  *
423  * Save a mail message to drafts using the provided
424  * #TnyTransportAccount. This operation is asynchronous.
425  *
426   **/
427 void modest_mail_operation_save_to_drafts   (ModestMailOperation *self,
428                                              TnyTransportAccount *transport_account,
429                                              TnyMsg *draft_msg,
430                                              const gchar *from,
431                                              const gchar *to,
432                                              const gchar *cc,
433                                              const gchar *bcc,
434                                              const gchar *subject,
435                                              const gchar *plain_body,
436                                              const gchar *html_body,
437                                              const GList *attachments_list,
438                                              const GList *images_list,
439                                              TnyHeaderFlags priority_flags,
440                                              const gchar *references,
441                                              const gchar *in_reply_to,
442                                              TnyList *header_pairs,
443                                              SaveToDraftstCallback callback,
444                                              gpointer user_data);
445 /**
446  * modest_mail_operation_update_account:
447  * @self: a #ModestMailOperation
448  * @account_name: the id of a Modest account
449  * @poke_all: if TRUE it will also do a poke_status over all folders of the account
450  * @interactive: if TRUE the update account was scheduled by an interactive send receive
451  * 
452  * Asynchronously refreshes the root folders of the given store
453  * account. The caller should add the #ModestMailOperation to a
454  * #ModestMailOperationQueue and then free it. The caller will be
455  * notified by the "progress_changed" signal each time the progress of
456  * the operation changes.
457  *
458  * Example
459  * <informalexample><programlisting>
460  * queue = modest_tny_platform_factory_get_modest_mail_operation_queue_instance (fact)
461  * mail_op = modest_mail_operation_new ();
462  * g_signal_connect (G_OBJECT (mail_op), "progress_changed", G_CALLBACK(on_progress_changed), NULL);
463  * modest_mail_operation_queue_add (queue, mail_op);
464  * modest_mail_operation_update_account (mail_op, account_name)
465  * g_object_unref (G_OBJECT (mail_op));
466  * </programlisting></informalexample>
467  *
468  * Note that the account_name *MUST* be a modest account name, not a
469  * tinymail store account name
470  * 
471  **/
472 void          modest_mail_operation_update_account (ModestMailOperation *self,
473                                                     const gchar *account_name,
474                                                     gboolean poke_all,
475                                                     gboolean interactive,
476                                                     UpdateAccountCallback callback,
477                                                     gpointer user_data);
478
479 /**
480  * modest_mail_operation_update_folder_counts:
481  * @self: a #ModestMailOperation
482  * @account_name: the id of a Modest account
483  * 
484  * Asynchronously refreshes the folder counts of the given store
485  * account.
486  */
487 void          modest_mail_operation_update_folder_counts (ModestMailOperation *self,
488                                                           const gchar *account_name);
489
490 /* Functions that perform store operations */
491
492 /**
493  * modest_mail_operation_create_folder:
494  * @self: a #ModestMailOperation
495  * @parent: the #TnyFolderStore which is the parent of the new folder
496  * @name: the non-NULL new name for the new folder
497  * 
498  * Creates a new folder as a children of a existing one. If the store
499  * account supports subscriptions this method also sets the new folder
500  * as subscribed. This operation is synchronous, so the
501  * #ModestMailOperation should not be added to any
502  * #ModestMailOperationQueue
503  * 
504  * Returns: a newly created #TnyFolder or NULL in case of error.
505  **/
506 void    modest_mail_operation_create_folder  (ModestMailOperation *self,
507                                               TnyFolderStore *parent,
508                                               const gchar *name,
509                                               CreateFolderUserCallback callback,
510                                               gpointer user_data);
511
512 /**
513  * modest_mail_operation_remove_folder:
514  * @self: a #ModestMailOperation
515  * @folder: a #TnyFolder
516  * @remove_to_trash: TRUE to move it to trash or FALSE to delete
517  * permanently
518  * 
519  * Removes a folder. This operation is synchronous, so the
520  * #ModestMailOperation should not be added to any
521  * #ModestMailOperationQueue
522  **/
523 void          modest_mail_operation_remove_folder  (ModestMailOperation *self,
524                                                     TnyFolder *folder,
525                                                     gboolean remove_to_trash);
526
527 /**
528  * modest_mail_operation_rename_folder:
529  * @self: a #ModestMailOperation
530  * @folder: a #TnyFolder
531  * @name: a non-NULL name without "/"
532  * 
533  * Renames a given folder with the provided new name. This operation
534  * is synchronous, so the #ModestMailOperation should not be added to
535  * any #ModestMailOperationQueue
536  **/
537 void          modest_mail_operation_rename_folder  (ModestMailOperation *self,
538                                                     TnyFolder *folder, 
539                                                     const gchar *name,
540                                                     XferFolderAsyncUserCallback user_callback,
541                                                     gpointer user_data);
542
543 /**
544  * modest_mail_operation_xfer_folder:
545  * @self: a #ModestMailOperation
546  * @folder: a #TnyFolder
547  * @parent: the new parent of the folder as #TnyFolderStore
548  * @delete_original: wheter or not delete the original folder
549  * @user_callback: a #XferFolderAsyncUserCallback function to call after tinymail callback execution.
550  * @user_data: generic user data which will be passed to @user_callback function.
551  * 
552  * Sets the given @folder as child of a provided #TnyFolderStore. This
553  * operation also transfers all the messages contained in the folder
554  * and all of his children folders with their messages as well. This
555  * operation is synchronous, so the #ModestMailOperation should not be
556  * added to any #ModestMailOperationQueue.
557  *
558  * If @delete_original is TRUE this function moves the original
559  * folder, if it is FALSE the it just copies it
560  *
561  **/
562 void          modest_mail_operation_xfer_folder    (ModestMailOperation *self,
563                                                     TnyFolder *folder,
564                                                     TnyFolderStore *parent,
565                                                     gboolean delete_original,
566                                                     XferFolderAsyncUserCallback user_callback,
567                                                     gpointer user_data);
568                                                     
569
570 /* Functions that performs msg operations */
571
572 /**
573  * modest_mail_operation_xfer_msgs:
574  * @self: a #ModestMailOperation
575  * @header_list: a #TnyList of #TnyHeader to transfer
576  * @folder: the #TnyFolder where the messages will be transferred
577  * @delete_original: whether or not delete the source messages
578  * @user_callback: a #XferFolderAsyncUserCallback function to call after tinymail callback execution.
579  * @user_data: generic user data which will be passed to @user_callback function.
580  * 
581  * Asynchronously transfers messages from their current folder to
582  * another one. The caller should add the #ModestMailOperation to a
583  * #ModestMailOperationQueue and then free it. The caller will be
584  * notified by the "progress_changed" when the operation is completed.
585  *
586  * If the @delete_original paramter is TRUE then this function moves
587  * the messages between folders, otherwise it copies them.
588  * 
589  * Example
590  * <informalexample><programlisting>
591  * queue = modest_tny_platform_factory_get_modest_mail_operation_queue_instance (fact);
592  * mail_op = modest_mail_operation_new ();
593  * modest_mail_operation_queue_add (queue, mail_op);
594  * g_signal_connect (G_OBJECT (mail_op), "progress_changed", G_CALLBACK(on_progress_changed), queue);
595  *
596  * modest_mail_operation_xfer_msg (mail_op, headers, folder, TRUE);
597  * 
598  * g_object_unref (G_OBJECT (mail_op));
599  * </programlisting></informalexample>
600  *
601  **/
602 void          modest_mail_operation_xfer_msgs      (ModestMailOperation *self,
603                                                     TnyList *header_list, 
604                                                     TnyFolder *folder,
605                                                     gboolean delete_original,
606                                                     XferMsgsAsyncUserCallback user_callback,
607                                                     gpointer user_data);
608
609 /**
610  * modest_mail_operation_remove_msgs:
611  * @self: a #ModestMailOperation
612  * @headers: the #TnyList of the messages to delete
613  * @remove_to_trash: TRUE to move it to trash or FALSE to delete it
614  * permanently
615  * 
616  * Deletes a list of messages.
617  **/
618 void          modest_mail_operation_remove_msgs     (ModestMailOperation *self,
619                                                      TnyList *headers,
620                                                      gboolean remove_to_trash);
621
622 /**
623  * modest_mail_operation_get_msg_and_parts:
624  * @self: a #ModestMailOperation
625  * @header_list: the #TnyHeader of the message to get
626  * @progress_feedback: a #gboolean. If %TRUE, we'll get progress bar feedback.
627  * @user_callback: a #GetMsgAsyncUserCallback function to call after tinymail callback execution.
628  * @user_data: generic user data which will be passed to @user_callback function.
629  * 
630  * Gets a message from header using an user defined @callback function
631  * pased as argument. This operation is asynchronous, so the
632  * #ModestMailOperation should be added to #ModestMailOperationQueue
633  *
634  * This operation also retrieves to cache all parts of the message. This is needed for
635  * forward operation.
636  **/
637 void          modest_mail_operation_get_msg_and_parts     (ModestMailOperation *self,
638                                                            TnyHeader *header,
639                                                            TnyList *parts,
640                                                            gboolean progress_feedback,
641                                                            GetMsgAsyncUserCallback user_callback,
642                                                            gpointer user_data);
643 /**
644  * modest_mail_operation_get_msg:
645  * @self: a #ModestMailOperation
646  * @header_list: the #TnyHeader of the message to get
647  * @progress_feedback: a #gboolean. If %TRUE, we'll get progress bar feedback.
648  * @user_callback: a #GetMsgAsyncUserCallback function to call after tinymail callback execution.
649  * @user_data: generic user data which will be passed to @user_callback function.
650  * 
651  * Gets a message from header using an user defined @callback function
652  * pased as argument. This operation is asynchronous, so the
653  * #ModestMailOperation should be added to #ModestMailOperationQueue
654  **/
655 void          modest_mail_operation_get_msg     (ModestMailOperation *self,
656                                                  TnyHeader *header,
657                                                  gboolean progress_feedback,
658                                                  GetMsgAsyncUserCallback user_callback,
659                                                  gpointer user_data);
660 /**
661  * modest_mail_operation_find_msg:
662  * @self: a #ModestMailOperation
663  * @msg_uid: a string
664  * @progress_feedback: a #gboolean. If %TRUE, we'll get progress bar feedback.
665  * @user_callback: a #GetMsgAsyncUserCallback function to call after tinymail callback execution.
666  * @user_data: generic user data which will be passed to @user_callback function.
667  * 
668  * Gets a message from a uid using an user defined @callback function
669  * pased as argument. This operation is asynchronous, so the
670  * #ModestMailOperation should be added to #ModestMailOperationQueue
671  **/
672 void          modest_mail_operation_find_msg     (ModestMailOperation *self,
673                                                   TnyFolder *folder,
674                                                   const gchar *msg_uid,
675                                                   gboolean progress_feedback,
676                                                   GetMsgAsyncUserCallback user_callback,
677                                                   gpointer user_data);
678
679 /**
680  * modest_mail_operation_get_msgs_full:
681  * @self: a #ModestMailOperation
682  * @header_list: a #TnyList of #TnyHeader objects to get and process
683  * @user_callback: a #TnyGetMsgCallback function to call after tinymail operation execution.
684  * @user_data: user data passed to both, user_callback and update_status_callback.
685  * 
686  * Gets messages from headers list and process hem using @callback function
687  * pased as argument. This operation is asynchronous, so the
688  * #ModestMailOperation should be added to #ModestMailOperationQueue
689  **/
690 void          modest_mail_operation_get_msgs_full   (ModestMailOperation *self,
691                                                      TnyList *headers_list,
692                                                      GetMsgAsyncUserCallback user_callback,
693                                                      gpointer user_data,
694                                                      GDestroyNotify notify);
695
696 /**
697  * modest_mail_operation_run_queue:
698  * @self: a #ModestMailOperation
699  * @queue: a #ModestTnySendQueue
700  *
701  * This mail operation is special. It should be running every time the send queue
702  * is running (after queue-start), and we should notify end of the operation
703  * after queue-end. Then, we should only set this queue on queue-start signal, and
704  * it will clean up the operation (notify end) on queue-end.
705  */
706 void          modest_mail_operation_run_queue       (ModestMailOperation *self,
707                                                      ModestTnySendQueue *queue);
708
709 /**
710  * modest_mail_operation_queue_wakeup:
711  * @self: a #ModestMailOperation
712  * @queue: a #ModestTnySendQueue
713  *
714  * This mail operation is special. It should be running every time the send queue
715  * wakeup is running and we should notify end of the operation
716  * after wakeup has done msg-sent notification.
717  */
718 void          modest_mail_operation_queue_wakeup       (ModestMailOperation *self,
719                                                         ModestTnySendQueue *queue);
720
721 /**
722  * modest_mail_operation_sync_folder:
723  * @self: a #ModestMailOperation
724  * @folder: a #TnyFolder
725  * @expunge: a #gboolean
726  *
727  * mail operation wrapper around tny_folder_sync () method, to keep modest
728  * running while we do that sync operation.
729  */
730 void          modest_mail_operation_sync_folder     (ModestMailOperation *self,
731                                                      TnyFolder *folder,
732                                                      gboolean expunge,
733                                                      SyncFolderCallback callback,
734                                                      gpointer user_data);
735
736 /**
737  * modest_mail_operation_shutdown:
738  * @self: a #ModestMailOperation
739  * @account_store: a #ModestTnyAccountStore
740  *
741  * disconnects all accounts in the account store (doing the proper syncs).
742  */
743 void          modest_mail_operation_shutdown        (ModestMailOperation *self,
744                                                      ModestTnyAccountStore *account_store);
745
746 /* Functions to control mail operations */
747 /**
748  * modest_mail_operation_get_task_done:
749  * @self: a #ModestMailOperation
750  * 
751  * Gets the amount of work done for a given mail operation. This
752  * amount of work is an absolute value.
753  * 
754  * Returns: the amount of work completed
755  **/
756 guint     modest_mail_operation_get_task_done      (ModestMailOperation *self);
757
758 /**
759  * modest_mail_operation_get_task_total:
760  * @self: a #ModestMailOperation
761  * 
762  * Gets the total amount of work that must be done to complete a given
763  * mail operation. This amount of work is an absolute value.
764  * 
765  * Returns: the total required amount of work
766  **/
767 guint     modest_mail_operation_get_task_total     (ModestMailOperation *self);
768
769
770 /**
771  * modest_mail_operation_is_finished:
772  * @self: a #ModestMailOperation
773  * 
774  * Checks if the operation is finished. A #ModestMailOperation is
775  * finished if it's in any of the following states:
776  * MODEST_MAIL_OPERATION_STATUS_SUCCESS,
777  * MODEST_MAIL_OPERATION_STATUS_FAILED,
778  * MODEST_MAIL_OPERATION_STATUS_CANCELED or
779  * MODEST_MAIL_OPERATION_STATUS_FINISHED_WITH_ERRORS
780  * 
781  * Returns: TRUE if the operation is finished, FALSE otherwise
782  **/
783 gboolean  modest_mail_operation_is_finished        (ModestMailOperation *self);
784
785 /**
786  * modest_mail_operation_is_finished:
787  * @self: a #ModestMailOperation
788  * 
789  * Gets the current status of the given mail operation
790  *
791  * Returns: the current status or MODEST_MAIL_OPERATION_STATUS_INVALID in case of error
792  **/
793 ModestMailOperationStatus modest_mail_operation_get_status  (ModestMailOperation *self);
794
795 /**
796  * modest_mail_operation_get_error:
797  * @self: a #ModestMailOperation
798  * 
799  * Gets the error associated to the mail operation if exists
800  * 
801  * Returns: the #GError associated to the #ModestMailOperation if it
802  * exists or NULL otherwise
803  **/
804 const GError*             modest_mail_operation_get_error   (ModestMailOperation *self);
805
806 /**
807  * modest_mail_operation_cancel:
808  * @self: a #ModestMailOperation
809  *
810  * Cancels an active mail operation
811  * 
812  * Returns: TRUE if the operation was succesfully canceled, FALSE otherwise
813  **/
814 gboolean  modest_mail_operation_cancel          (ModestMailOperation *self);
815
816 /**
817  * modest_mail_operation_refresh_folder
818  * @self: a #ModestMailOperation
819  * @folder: the #TnyFolder to refresh
820  * @user_callback: the #RefreshAsyncUserCallback function to be called
821  * after internal refresh async callback was being executed.
822  * 
823  * Refreshes the contents of a folder. After internal callback was executed, 
824  * and all interna mail operation field were filled, if exists, it calls an 
825  * user callback function to make UI operations which must be done after folder
826  * was refreshed.
827  */
828 void      modest_mail_operation_refresh_folder  (ModestMailOperation *self,
829                                                  TnyFolder *folder,
830                                                  RefreshAsyncUserCallback user_callback,
831                                                  gpointer user_data);
832
833 /**
834  * modest_mail_operation_get_account:
835  * @self: a #ModestMailOperation
836  * 
837  * Gets the account associated to a mail operation
838  * 
839  * Returns: the #TnyAccount associated to the #ModestMailOperation
840  **/
841 TnyAccount *modest_mail_operation_get_account   (ModestMailOperation *self);
842
843
844 /**
845  * modest_mail_operation_noop:
846  * @self: a #ModestMailOperation
847  * 
848  * Does nothing except emitting operation-started and
849  * operation-finished
850  **/
851 void modest_mail_operation_noop (ModestMailOperation *self);
852
853
854 /**
855  * modest_mail_operation_to_string:
856  * @self: a #ModestMailOperation
857  * 
858  * get a string representation of the mail operation (for debugging)
859  *
860  * Returns: a newly allocated string
861  **/
862 gchar* modest_mail_operation_to_string (ModestMailOperation *self);
863
864
865 G_END_DECLS
866
867 #endif /* __MODEST_MAIL_OPERATION_H__ */
868