Merge branch 'more-accounts-fixes'

4 files changed, 148 insertions, 43 deletions

diff --git a/libempathy-gtk/empathy-account-widget.c b/libempathy-gtk/empathy-account-widget.c
index 8ce6b5f52..8862c3ba4 100644
--- a/libempathy-gtk/empathy-account-widget.c
+++ b/libempathy-gtk/empathy-account-widget.c
@@ -73,6 +73,11 @@ typedef struct {
    * modify it. When we are creating an account, this member is set to TRUE */
   gboolean creating_account;
 
+  /* whether there are any other real accounts. Necessary so we know whether
+   * it's safe to dismiss this widget in some cases (eg, whether the Cancel
+   * button should be sensitive) */
+  gboolean other_accounts_exist;
+
   /* if TRUE, the GTK+ destroy signal has been fired and so the widgets
    * embedded in this account widget can't be used any more
    * workaround because some async callbacks can be called after the
@@ -91,7 +96,8 @@ enum {
   PROP_PROTOCOL = 1,
   PROP_SETTINGS,
   PROP_SIMPLE,
-  PROP_CREATING_ACCOUNT
+  PROP_CREATING_ACCOUNT,
+  PROP_OTHER_ACCOUNTS_EXIST,
 };
 
 enum {
@@ -114,9 +120,14 @@ account_widget_set_control_buttons_sensitivity (EmpathyAccountWidget *self,
 
   if (!priv->simple)
     {
+      /* we hit this case because of the 'other-accounts-exist' property handler
+       * being called during init (before constructed()) */
+      if (priv->apply_button == NULL || priv->cancel_button == NULL)
+        return;
+
       gtk_widget_set_sensitive (priv->apply_button, sensitive);
-      gtk_widget_set_sensitive (
-          priv->cancel_button, sensitive || priv->creating_account);
+      gtk_widget_set_sensitive (priv->cancel_button,
+          (sensitive || priv->creating_account) && priv->other_accounts_exist);
     }
 }
 
@@ -1348,6 +1359,18 @@ account_widget_enabled_released_cb (GtkToggleButton *toggle_button,
       account_widget_account_enabled_cb, user_data);
 }
 
+void
+empathy_account_widget_set_other_accounts_exist (EmpathyAccountWidget *self,
+    gboolean others_exist)
+{
+  EmpathyAccountWidgetPriv *priv = GET_PRIV (self);
+
+  priv->other_accounts_exist = others_exist;
+
+  if (priv->creating_account)
+    account_widget_handle_control_buttons_sensitivity (self);
+}
+
 static void
 do_set_property (GObject *object,
     guint prop_id,
@@ -1367,6 +1390,10 @@ do_set_property (GObject *object,
     case PROP_CREATING_ACCOUNT:
       priv->creating_account = g_value_get_boolean (value);
       break;
+    case PROP_OTHER_ACCOUNTS_EXIST:
+      empathy_account_widget_set_other_accounts_exist (
+          EMPATHY_ACCOUNT_WIDGET (object), g_value_get_boolean (value));
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
     }
@@ -1395,6 +1422,9 @@ do_get_property (GObject *object,
     case PROP_CREATING_ACCOUNT:
       g_value_set_boolean (value, priv->creating_account);
       break;
+    case PROP_OTHER_ACCOUNTS_EXIST:
+      g_value_set_boolean (value, priv->other_accounts_exist);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
     }
@@ -1826,6 +1856,14 @@ empathy_account_widget_class_init (EmpathyAccountWidgetClass *klass)
       G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT_ONLY);
   g_object_class_install_property (oclass, PROP_CREATING_ACCOUNT, param_spec);
 
+  param_spec = g_param_spec_boolean ("other-accounts-exist",
+      "other-accounts-exist",
+      "TRUE if there are any other accounts (even if this isn't yet saved)",
+      FALSE,
+      G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT_ONLY);
+  g_object_class_install_property (oclass, PROP_OTHER_ACCOUNTS_EXIST,
+                  param_spec);
+
   signals[HANDLE_APPLY] =
     g_signal_new ("handle-apply", G_TYPE_FROM_CLASS (klass),
         G_SIGNAL_RUN_LAST, 0, NULL, NULL,
diff --git a/libempathy-gtk/empathy-account-widget.h b/libempathy-gtk/empathy-account-widget.h
index 9ed989434..ecc52e6c6 100644
--- a/libempathy-gtk/empathy-account-widget.h
+++ b/libempathy-gtk/empathy-account-widget.h
@@ -79,6 +79,9 @@ void empathy_account_widget_set_account_param (EmpathyAccountWidget *widget,
 void empathy_account_widget_set_password_param (EmpathyAccountWidget *self,
     const gchar *password);
 
+void empathy_account_widget_set_other_accounts_exist (
+    EmpathyAccountWidget *self, gboolean others_exist);
+
 /* protected methods */
 void empathy_account_widget_changed (EmpathyAccountWidget *widget);
 
diff --git a/src/cc-empathy-accounts-page.c b/src/cc-empathy-accounts-page.c
index bf4d46af7..ef9b17557 100644
--- a/src/cc-empathy-accounts-page.c
+++ b/src/cc-empathy-accounts-page.c
@@ -54,20 +54,24 @@ page_pack_with_accounts_dialog (CcEmpathyAccountsPage *page)
   GtkWidget *content;
   GtkWidget *action_area;
 
-  if (!page->priv->accounts_window)
+  if (page->priv->accounts_window != NULL)
     {
-      page->priv->accounts_window = empathy_accounts_dialog_show (NULL, NULL);
-      gtk_widget_hide (page->priv->accounts_window);
+      gtk_widget_destroy (page->priv->accounts_window);
+      gtk_container_remove (GTK_CONTAINER (page),
+          gtk_bin_get_child (GTK_BIN (page)));
+    }
 
-      content = gtk_dialog_get_content_area (
-          GTK_DIALOG (page->priv->accounts_window));
-      action_area = gtk_dialog_get_action_area (
-          GTK_DIALOG (page->priv->accounts_window));
-      gtk_widget_set_no_show_all (action_area, TRUE);
-      gtk_widget_hide (action_area);
+    page->priv->accounts_window = empathy_accounts_dialog_show (NULL, NULL);
+    gtk_widget_hide (page->priv->accounts_window);
 
-      gtk_widget_reparent (content, GTK_WIDGET (page));
-    }
+    content = gtk_dialog_get_content_area (
+        GTK_DIALOG (page->priv->accounts_window));
+    action_area = gtk_dialog_get_action_area (
+        GTK_DIALOG (page->priv->accounts_window));
+    gtk_widget_set_no_show_all (action_area, TRUE);
+    gtk_widget_hide (action_area);
+
+    gtk_widget_reparent (content, GTK_WIDGET (page));
 }
 
 static void
diff --git a/src/empathy-accounts-dialog.c b/src/empathy-accounts-dialog.c
index b2e21dc8d..5843c0d74 100644
--- a/src/empathy-accounts-dialog.c
+++ b/src/empathy-accounts-dialog.c
@@ -72,8 +72,6 @@
 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyAccountsDialog)
 G_DEFINE_TYPE (EmpathyAccountsDialog, empathy_accounts_dialog, GTK_TYPE_DIALOG);
 
-static EmpathyAccountsDialog *dialog_singleton = NULL;
-
 typedef struct {
   GtkWidget *alignment_settings;
   GtkWidget *alignment_infobar;
@@ -431,6 +429,28 @@ empathy_account_dialog_account_created_cb (EmpathyAccountWidget *widget_object,
     g_object_unref (settings);
 }
 
+static gboolean
+accounts_dialog_has_valid_accounts (EmpathyAccountsDialog *dialog)
+{
+  EmpathyAccountsDialogPriv *priv = GET_PRIV (dialog);
+  GtkTreeModel *model;
+  GtkTreeIter iter;
+  gboolean creating;
+
+  g_object_get (priv->setting_widget_object,
+      "creating-account", &creating, NULL);
+
+  if (!creating)
+    return TRUE;
+
+  model = gtk_tree_view_get_model (GTK_TREE_VIEW (priv->treeview));
+
+  if (gtk_tree_model_get_iter_first (model, &iter))
+    return gtk_tree_model_iter_next (model, &iter);
+
+  return FALSE;
+}
+
 static void
 account_dialog_create_settings_widget (EmpathyAccountsDialog *dialog,
     EmpathyAccountSettings *settings)
@@ -442,6 +462,10 @@ account_dialog_create_settings_widget (EmpathyAccountsDialog *dialog,
   priv->setting_widget_object =
       empathy_account_widget_new_for_protocol (settings, FALSE);
 
+  if (accounts_dialog_has_valid_accounts (dialog))
+    empathy_account_widget_set_other_accounts_exist (
+        priv->setting_widget_object, TRUE);
+
   priv->settings_widget =
       empathy_account_widget_get_widget (priv->setting_widget_object);
 
@@ -625,8 +649,17 @@ accounts_dialog_protocol_changed_cb (GtkWidget *widget,
   /* We are creating a new widget to replace the current one, don't ask
    * confirmation to the user. */
   priv->force_change_row = TRUE;
+
+  /* We'll update the selection after we create the new account widgets;
+   * updating it right now causes problems for the # of accounts = zero case */
+  g_signal_handlers_block_by_func (selection,
+      accounts_dialog_model_selection_changed, dialog);
+
   gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
 
+  g_signal_handlers_unblock_by_func (selection,
+      accounts_dialog_model_selection_changed, dialog);
+
   accounts_dialog_setup_ui_to_add_account (dialog);
 
   /* Restore "account" and "password" parameters in the new widget */
@@ -1227,6 +1260,7 @@ accounts_dialog_model_selection_changed (GtkTreeSelection *selection,
   GtkTreeModel *model;
   GtkTreeIter   iter;
   gboolean      is_selection;
+  gboolean creating = FALSE;
 
   is_selection = gtk_tree_selection_get_selected (selection, &model, &iter);
 
@@ -1236,8 +1270,14 @@ accounts_dialog_model_selection_changed (GtkTreeSelection *selection,
   if (settings != NULL)
     g_object_unref (settings);
 
+  if (priv->setting_widget_object != NULL)
+    {
+      g_object_get (priv->setting_widget_object,
+          "creating-account", &creating, NULL);
+    }
+
   /* Update remove button sensitivity */
-  gtk_widget_set_sensitive (priv->button_remove, is_selection);
+  gtk_widget_set_sensitive (priv->button_remove, is_selection && !creating);
 }
 
 static void
@@ -1660,6 +1700,37 @@ accounts_dialog_account_validity_changed_cb (TpAccountManager *manager,
 }
 
 static void
+accounts_dialog_accounts_model_row_inserted_cb (GtkTreeModel *model,
+    GtkTreePath *path,
+    GtkTreeIter *iter,
+    EmpathyAccountsDialog *dialog)
+{
+  EmpathyAccountsDialogPriv *priv = GET_PRIV (dialog);
+
+  if (priv->setting_widget_object != NULL &&
+      accounts_dialog_has_valid_accounts (dialog))
+    {
+      empathy_account_widget_set_other_accounts_exist (
+          priv->setting_widget_object, TRUE);
+    }
+}
+
+static void
+accounts_dialog_accounts_model_row_deleted_cb (GtkTreeModel *model,
+    GtkTreePath *path,
+    EmpathyAccountsDialog *dialog)
+{
+  EmpathyAccountsDialogPriv *priv = GET_PRIV (dialog);
+
+  if (priv->setting_widget_object != NULL &&
+      !accounts_dialog_has_valid_accounts (dialog))
+    {
+      empathy_account_widget_set_other_accounts_exist (
+          priv->setting_widget_object, FALSE);
+    }
+}
+
+static void
 accounts_dialog_account_removed_cb (TpAccountManager *manager,
     TpAccount *account,
     EmpathyAccountsDialog *dialog)
@@ -1670,7 +1741,7 @@ accounts_dialog_account_removed_cb (TpAccountManager *manager,
   if (accounts_dialog_get_account_iter (dialog, account, &iter))
     {
       gtk_list_store_remove (GTK_LIST_STORE (
-            gtk_tree_view_get_model (GTK_TREE_VIEW (priv->treeview))), &iter);
+          gtk_tree_view_get_model (GTK_TREE_VIEW (priv->treeview))), &iter);
     }
 }
 
@@ -2021,6 +2092,7 @@ do_dispose (GObject *obj)
 {
   EmpathyAccountsDialog *dialog = EMPATHY_ACCOUNTS_DIALOG (obj);
   EmpathyAccountsDialogPriv *priv = GET_PRIV (dialog);
+  GtkTreeModel *model;
 
   if (priv->dispose_has_run)
     return;
@@ -2028,6 +2100,12 @@ do_dispose (GObject *obj)
   priv->dispose_has_run = TRUE;
 
   /* Disconnect signals */
+  model = gtk_tree_view_get_model (GTK_TREE_VIEW (priv->treeview));
+  g_signal_handlers_disconnect_by_func (model,
+      accounts_dialog_accounts_model_row_inserted_cb, dialog);
+  g_signal_handlers_disconnect_by_func (model,
+      accounts_dialog_accounts_model_row_deleted_cb, dialog);
+
   g_signal_handlers_disconnect_by_func (priv->account_manager,
       accounts_dialog_account_validity_changed_cb,
       dialog);
@@ -2066,30 +2144,6 @@ do_dispose (GObject *obj)
   G_OBJECT_CLASS (empathy_accounts_dialog_parent_class)->dispose (obj);
 }
 
-static GObject *
-do_constructor (GType type,
-    guint n_props,
-    GObjectConstructParam *props)
-{
-  GObject *retval;
-
-  if (dialog_singleton)
-    {
-      retval = G_OBJECT (dialog_singleton);
-    }
-  else
-    {
-      retval =
-        G_OBJECT_CLASS (empathy_accounts_dialog_parent_class)->constructor
-            (type, n_props, props);
-
-      dialog_singleton = EMPATHY_ACCOUNTS_DIALOG (retval);
-      g_object_add_weak_pointer (retval, (gpointer) &dialog_singleton);
-    }
-
-  return retval;
-}
-
 static void
 do_get_property (GObject *object,
     guint property_id,
@@ -2132,10 +2186,17 @@ do_constructed (GObject *object)
   EmpathyAccountsDialog *dialog = EMPATHY_ACCOUNTS_DIALOG (object);
   EmpathyAccountsDialogPriv *priv = GET_PRIV (dialog);
   gboolean import_asked;
+  GtkTreeModel *model;
 
   accounts_dialog_build_ui (dialog);
   accounts_dialog_model_setup (dialog);
 
+  model = gtk_tree_view_get_model (GTK_TREE_VIEW (priv->treeview));
+  g_signal_connect (model, "row-inserted",
+      (GCallback) accounts_dialog_accounts_model_row_inserted_cb, dialog);
+  g_signal_connect (model, "row-deleted",
+      (GCallback) accounts_dialog_accounts_model_row_deleted_cb, dialog);
+
   /* Set up signalling */
   priv->account_manager = tp_account_manager_dup ();
 
@@ -2168,7 +2229,6 @@ empathy_accounts_dialog_class_init (EmpathyAccountsDialogClass *klass)
   GObjectClass *oclass = G_OBJECT_CLASS (klass);
   GParamSpec *param_spec;
 
-  oclass->constructor = do_constructor;
   oclass->dispose = do_dispose;
   oclass->constructed = do_constructed;
   oclass->set_property = do_set_property;