selected account: behaviour on conversation

This commit add a few changes to prevent bugs when account is changed
during call or conversation or when:

- Receiving an incoming call change selected account to be the same
as call destination account
- Making a call disable account selection
- Changing the selected account close current conversation

Tuleap: #1532
Change-Id: Ia37fabce0285a02233b35e69e73244e14d0a334a
Reviewed-by: Alexandre Lision <alexandre.lision@savoirfairelinux.com>
diff --git a/src/RingWindowController.mm b/src/RingWindowController.mm
index 9f7e9ae..dec5330 100644
--- a/src/RingWindowController.mm
+++ b/src/RingWindowController.mm
@@ -108,15 +108,18 @@
                          if(!current.isValid()) {
                              [offlineVC animateOut];
                              [currentCallVC animateOut];
+                             [chooseAccountVC enable];
                              return;
                          }
 
                          if (!call) {
                              [currentCallVC animateOut];
                              [offlineVC animateIn];
+                             [chooseAccountVC enable];
                          } else {
                              [currentCallVC animateIn];
                              [offlineVC animateOut];
+                             [chooseAccountVC disable];
                          }
                      });
 
@@ -130,16 +133,19 @@
                          if (previous.isValid()) {
                              // We were already on a call
                              [currentCallVC animateOut];
+                             [chooseAccountVC enable];
                          } else {
                              // Make sure Conversation view hides when selecting a valid call
                              [currentCallVC animateIn];
                              [offlineVC animateOut];
+                             [chooseAccountVC disable];
                          }
                      });
     QObject::connect(AvailableAccountModel::instance().selectionModel(),
                      &QItemSelectionModel::currentChanged,
                      [self](const QModelIndex& idx){
                          [self updateRingID];
+                         [offlineVC animateOut];
                      });
 }