2007-06-03 Johannes Schmid <johannes.schmid@openismus.com>
[modest] / src / modest-mail-operation.h
index e75212e..9b3d16f 100644 (file)
@@ -65,30 +65,28 @@ typedef enum _ModestMailOperationStatus {
  *
  * The id for identifying the type of mail operation
  */
-typedef enum _ModestMailOperationId {
-       MODEST_MAIL_OPERATION_ID_SEND,
-       MODEST_MAIL_OPERATION_ID_RECEIVE,
-       MODEST_MAIL_OPERATION_ID_OPEN,
-       MODEST_MAIL_OPERATION_ID_DELETE,
-       MODEST_MAIL_OPERATION_ID_INFO,
-       MODEST_MAIL_OPERATION_ID_UNKNOWN,
-} ModestMailOperationId;
+typedef enum {
+       MODEST_MAIL_OPERATION_TYPE_SEND,
+       MODEST_MAIL_OPERATION_TYPE_RECEIVE,
+       MODEST_MAIL_OPERATION_TYPE_OPEN,
+       MODEST_MAIL_OPERATION_TYPE_DELETE,
+       MODEST_MAIL_OPERATION_TYPE_INFO,
+       MODEST_MAIL_OPERATION_TYPE_UNKNOWN,
+} ModestMailOperationTypeOperation;
 
-
-struct _ModestMailOperation {
-        GObject parent;
-       /* insert public members, if any */
-};
-
-struct _ModestMailOperationClass {
-       GObjectClass parent_class;
-
-       /* Signals */
-       void (*progress_changed) (ModestMailOperation *self, gpointer user_data);
-};
+/**
+ * ErrorCheckingAsyncUserCallback:
+ *
+ * @mail_op: the current mail operation.
+ * @user_data: generic data passed to user defined function.
+ *
+ * This function implements required actions to performs under error
+ * states.  
+ */
+typedef void (*ErrorCheckingUserCallback) (ModestMailOperation *mail_op, gpointer user_data);
 
 /**
- * GetMsgAsynUserCallback:
+ * GetMsgAsyncUserCallback:
  *
  * @obj: a #GObject generic object which has created current mail operation.
  * @msg: a #TnyMsg message retrieved by async operation.
@@ -98,9 +96,47 @@ struct _ModestMailOperationClass {
  * used as tinymail operation callback. The private function fills private 
  * fields of mail operation and calls user defined callback if it exists.
  */
-typedef void (*GetMsgAsynUserCallback) (const GObject *obj, const TnyMsg *msg, gpointer user_data);
+typedef void (*GetMsgAsyncUserCallback) (ModestMailOperation *mail_op, 
+                                        TnyHeader *header, 
+                                        TnyMsg *msg, 
+                                        gpointer user_data);
+
+/**
+ * XferMsgAsynUserCallback:
+ *
+ * @obj: a #GObject generic object which has created current mail operation.
+ * @user_data: generic data passed to user defined function.
+ *
+ * This function will be called after transfer_msgs_cb private function, which is
+ * used as tinymail operation callback. The private function fills private 
+ * fields of mail operation and calls user defined callback if it exists.
+ */
+typedef void (*XferMsgsAsynUserCallback) (const GObject *obj, gpointer user_data);
 
 
+/* This struct represents the internal state of a mail operation in a
+   given time */
+typedef struct {
+       guint      done;
+       guint      total;
+       gboolean   finished;
+       ModestMailOperationStatus        status;
+       ModestMailOperationTypeOperation op_type;               
+} ModestMailOperationState;
+
+
+struct _ModestMailOperation {
+        GObject parent;
+       /* insert public members, if any */
+};
+
+struct _ModestMailOperationClass {
+       GObjectClass parent_class;
+
+       /* Signals */
+       void (*progress_changed) (ModestMailOperation *self, ModestMailOperationState *state, gpointer user_data);
+};
+
 /* member functions */
 GType        modest_mail_operation_get_type    (void) G_GNUC_CONST;
 
@@ -112,18 +148,45 @@ GType        modest_mail_operation_get_type    (void) G_GNUC_CONST;
  * Creates a new instance of class #ModestMailOperation, using parameters
  * to initialize its private structure. @source parameter may be NULL.
  **/
-ModestMailOperation*    modest_mail_operation_new     (ModestMailOperationId id,
+ModestMailOperation*    modest_mail_operation_new     (ModestMailOperationTypeOperation type,
                                                       GObject *source);
 
 /**
- * modest_mail_operation_get_id
+ * modest_mail_operation_new_with_error_handling:
+ * @id: a #ModestMailOperationId identification of operation type.
+ * @source: a #GObject which creates this new operation.
+ * @error_handler: a #ErrorCheckingUserCallback function to performs operations when 
+ * an error occurs.
+ * 
+ * Creates a new instance of class #ModestMailOperation, using parameters
+ * to initialize its private structure. @source parameter may be NULL. 
+ * @error_handler can not be NULL, but it will be returned an mail operation
+ * object without error handling capability.
+ **/
+ModestMailOperation*    modest_mail_operation_new_with_error_handling     (ModestMailOperationTypeOperation op_type,
+                                                                          GObject *source,
+                                                                          ErrorCheckingUserCallback error_handler,
+                                                                          gpointer user_data);
+/**
+ * modest_mail_operation_execute_error_handler
+ * @self: a #ModestMailOperation
+ * 
+ * Executes error handler if exists. The error handler is the one that
+ * MUST free the user data passed to the
+ * modest_mail_operation_new_with_error_handling constructor
+ **/
+void
+modest_mail_operation_execute_error_handler (ModestMailOperation *self);
+
+/**
+ * modest_mail_operation_get_type_operation
  * @self: a #ModestMailOperation
  * 
- * Gets the private id field of mail operation. This id identifies
- * the class/type of mail operation.  
+ * Gets the private op_type field of mail operation. This op_type
+ * identifies the class/type of mail operation.
  **/
-ModestMailOperationId
-modest_mail_operation_get_id (ModestMailOperation *self);
+ModestMailOperationTypeOperation
+modest_mail_operation_get_type_operation (ModestMailOperation *self);
 
 /**
  * modest_mail_operation_is_mine
@@ -138,6 +201,17 @@ gboolean
 modest_mail_operation_is_mine (ModestMailOperation *self, 
                               GObject *me);
 
+/**
+ * modest_mail_operation_get_source
+ * @self: a #ModestMailOperation
+ *
+ * returns a new reference to the object that created the mail
+ * operation passed to the constructor, or NULL if none. The caller
+ * must free the new reference
+ **/
+GObject *
+modest_mail_operation_get_source (ModestMailOperation *self);
+
 /* fill in other public functions, eg.: */
 
 /**
@@ -311,19 +385,12 @@ void          modest_mail_operation_rename_folder  (ModestMailOperation *self,
  * If @delete_original is TRUE this function moves the original
  * folder, if it is FALSE the it just copies it
  *
- * Returns: the newly transfered folder
  **/
-TnyFolder*    modest_mail_operation_xfer_folder    (ModestMailOperation *self,
+void          modest_mail_operation_xfer_folder    (ModestMailOperation *self,
                                                    TnyFolder *folder,
                                                    TnyFolderStore *parent,
                                                    gboolean delete_original);
 
-
-
-void    modest_mail_operation_xfer_folder_async    (ModestMailOperation *self,
-                                                   TnyFolder *folder, 
-                                                   TnyFolderStore *parent,
-                                                   gboolean delete_original);
 /* Functions that performs msg operations */
 
 /**
@@ -332,6 +399,8 @@ void    modest_mail_operation_xfer_folder_async    (ModestMailOperation *self,
  * @header_list: a #TnyList of #TnyHeader to transfer
  * @folder: the #TnyFolder where the messages will be transferred
  * @delete_original: whether or not delete the source messages
+ * @user_callback: a #XferMsgsAsynUserCallback function to call after tinymail callback execution.
+ * @user_data: generic user data which will be passed to @user_callback function.
  * 
  * Asynchronously transfers messages from their current folder to
  * another one. The caller should add the #ModestMailOperation to a
@@ -357,7 +426,9 @@ void    modest_mail_operation_xfer_folder_async    (ModestMailOperation *self,
 void          modest_mail_operation_xfer_msgs      (ModestMailOperation *self,
                                                    TnyList *header_list, 
                                                    TnyFolder *folder,
-                                                   gboolean delete_original);
+                                                   gboolean delete_original,
+                                                   XferMsgsAsynUserCallback user_callback,
+                                                   gpointer user_data);
 
 /**
  * modest_mail_operation_remove_msg:
@@ -378,7 +449,7 @@ void          modest_mail_operation_remove_msg     (ModestMailOperation *self,
  * modest_mail_operation_get_msg:
  * @self: a #ModestMailOperation
  * @header_list: the #TnyHeader of the message to get
- * @user_callback: a #GetMsgAsynUserCallback function to call after tinymail callback execution.
+ * @user_callback: a #GetMsgAsyncUserCallback function to call after tinymail callback execution.
  * @user_data: generic user data which will be passed to @user_callback function.
  * 
  * Gets a message from header using an user defined @callback function
@@ -387,10 +458,10 @@ void          modest_mail_operation_remove_msg     (ModestMailOperation *self,
  **/
 void          modest_mail_operation_get_msg     (ModestMailOperation *self,
                                                 TnyHeader *header, 
-                                                GetMsgAsynUserCallback user_callback,
+                                                GetMsgAsyncUserCallback user_callback,
                                                 gpointer user_data);
 /**
- * modest_mail_operation_process_msg:
+ * modest_mail_operation_get_msgs_full:
  * @self: a #ModestMailOperation
  * @header_list: a #TnyList of #TnyHeader objects to get and process
  * @user_callback: a #TnyGetMsgCallback function to call after tinymail operation execution.
@@ -400,10 +471,11 @@ void          modest_mail_operation_get_msg     (ModestMailOperation *self,
  * pased as argument. This operation is asynchronous, so the
  * #ModestMailOperation should be added to #ModestMailOperationQueue
  **/
-void          modest_mail_operation_process_msg     (ModestMailOperation *self,
+void          modest_mail_operation_get_msgs_full   (ModestMailOperation *self,
                                                     TnyList *headers_list,
-                                                    GetMsgAsynUserCallback user_callback,
-                                                    gpointer user_data);
+                                                    GetMsgAsyncUserCallback user_callback,
+                                                    gpointer user_data,
+                                                    GDestroyNotify notify);
 
 /* Functions to control mail operations */
 /**
@@ -485,17 +557,10 @@ gboolean  modest_mail_operation_cancel          (ModestMailOperation *self);
 void      modest_mail_operation_refresh_folder  (ModestMailOperation *self,
                                                 TnyFolder *folder);
 
-/**
- *
- * This function is a workarround. It emits the progress-changed
- * signal. It's used by the mail operation queue to notify the
- * observers attached to that signal that the operation finished. We
- * need to use that for the moment because tinymail does not give us
- * the progress of a given operation very well. So we must delete it
- * when tinymail has that functionality and remove the call to it in
- * the queue as well.
- */
-void _modest_mail_operation_notify_end (ModestMailOperation *self);
+guint     modest_mail_operation_get_id          (ModestMailOperation *self);
+
+guint     modest_mail_operation_set_id          (ModestMailOperation *self,
+                                                guint id);
 
 G_END_DECLS