fix astroidmail#317: allow editing the message once it gets available…

… in the db after sending

src/compose_message.cc

@@ -662,19 +662,21 @@ namespace Astroid {
     return m_message_sent;
   }
 
-  void ComposeMessage::emit_message_sent (bool res) {
-    m_message_sent.emit (res);
+  void ComposeMessage::emit_message_sent (bool res, ustring save_to) {
+    m_message_sent.emit (res, save_to);
   }
 
   void ComposeMessage::message_sent_event () {
     /* add to notmuch with sent tag (on main GUI thread) */
+    ustring _sto = "";
     if (!dryrun && message_sent_result && account->save_sent) {
       astroid->actions->doit (refptr<Action> (
             new AddSentMessage (save_to.c_str (), account->additional_sent_tags)));
+      _sto = save_to.c_str ();
       LOG (info) << "cm: sent message added to db.";
     }
 
-    emit_message_sent (message_sent_result);
+    emit_message_sent (message_sent_result, _sto);
   }
 
   ComposeMessage::type_message_send_status

src/compose_message.hh

@@ -114,10 +114,10 @@ namespace Astroid {
 
     public:
       /* message sent */
-      typedef sigc::signal <void, bool> type_message_sent;
+      typedef sigc::signal <void, bool, ustring> type_message_sent;
       type_message_sent message_sent ();
 
-      void emit_message_sent (bool);
+      void emit_message_sent (bool, ustring);
 
       bool message_sent_result;
       void message_sent_event ();

src/modes/edit_message.cc

@@ -1129,8 +1129,9 @@ namespace Astroid {
     on_tv_ready ();
   }
 
-  void EditMessage::send_message_finished (bool result_from_sender) {
+  void EditMessage::send_message_finished (bool result_from_sender, ustring fname) {
     LOG (info) << "em: message sending done.";
+    delete sending_message;
     status_icon_visible = true;
 
     Glib::RefPtr<Gtk::IconTheme> theme = Gtk::IconTheme::get_default();
@@ -1150,6 +1151,35 @@ namespace Astroid {
         delete_draft ();
       }
 
+      if (!fname.empty ()) {
+        /* message has been saved to disk, but might be outside notmuch dir and
+         * adding to db is async (message_updated will be emitted when added)
+         *
+         * if the message has not been added yet, the signal will be emitted on
+         * this thread (GUI). so we are sure to catch it if we connect to it now.
+         *
+         */
+
+        Db db;
+        notmuch_message_t * m;
+        if ((notmuch_database_find_message_by_filename (db.nm_db,
+                fname.c_str (), &m) == NOTMUCH_STATUS_SUCCESS) &&
+            (m != NULL))
+        {
+          on_message_added_to_database (&db, notmuch_message_get_message_id (m));
+          notmuch_message_destroy (m);
+        } else {
+          /* not yet added */
+          astroid->actions->signal_message_updated ().connect (
+              sigc::mem_fun (this, &EditMessage::on_message_added_to_database));
+        }
+      } else {
+        /* this account does not save its message, however, the message might
+         * be synced back pretty soon so we wait and see if that happens */
+
+        astroid->actions->signal_message_updated ().connect (
+            sigc::mem_fun (this, &EditMessage::on_message_added_to_database));
+      }
     } else {
       fields_show ();
 
@@ -1167,10 +1197,20 @@ namespace Astroid {
       close (true);
     }
 
+    emit_message_sent_attempt (result_from_sender);
+  }
 
-    delete sending_message;
+  void EditMessage::on_message_added_to_database (Db * db, ustring mid) {
+    if (mid == msg_id) {
+      LOG (info) << "em: message added to database, allow editing.";
+      thread_view->edit_mode = false;
 
-    emit_message_sent_attempt (result_from_sender);
+      db->on_message (mid, [&] (notmuch_message_t * msg) {
+            auto msgt = refptr<MessageThread>(new MessageThread());
+            msgt->add_message (refptr<Message>(new Message(msg, 0)));
+            thread_view->load_message_thread (msgt);
+          });
+    }
   }
 
   void EditMessage::lock_message_after_send () {

src/modes/edit_message.hh

@@ -106,8 +106,9 @@ namespace Astroid {
 
       ComposeMessage * sending_message;
       std::atomic<bool> sending_in_progress;
-      void send_message_finished (bool result);
+      void send_message_finished (bool result, ustring fname);
       void update_send_message_status (bool warn, ustring msg);
+      void on_message_added_to_database (Db * db, ustring mid);
 
       /* make a draft message that can be edited */
       void prepare_message ();

src/modes/thread_view/thread_view.hh

@@ -38,6 +38,7 @@ namespace Astroid {
 
   class ThreadView : public Mode {
     friend PageClient;
+    friend EditMessage;
 
     public:
       ThreadView (MainWindow *, bool _edit_mode = false);