[gnome-todo/wip/gbsneto/plugins] task-list: fix ::is-removable property

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 6af5724f9219669780de8e927f477ad9d87b7c75
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Mon Jan 4 03:58:57 2016 -0200

    task-list: fix ::is-removable property
    
    It was unfinished and useless up to now.

 plugins/eds/gtd-task-list-eds.c |   23 +++++++++++++++++++++++
 src/gtd-task-list.c             |   26 ++++++++++++++++++++++++--
 src/gtd-task-list.h             |    3 +++
 3 files changed, 50 insertions(+), 2 deletions(-)
---
diff --git a/plugins/eds/gtd-task-list-eds.c b/plugins/eds/gtd-task-list-eds.c
index d10a1c0..daa3d10 100644
--- a/plugins/eds/gtd-task-list-eds.c
+++ b/plugins/eds/gtd-task-list-eds.c
@@ -38,6 +38,14 @@ enum {
 };
 
 static void
+source_removable_changed (GtdTaskListEds *list)
+{
+  gtd_task_list_set_is_removable (GTD_TASK_LIST (list),
+                                  e_source_get_removable (list->source) ||
+                                  e_source_get_remote_deletable (list->source));
+}
+
+static void
 save_task_list_finished_cb (GObject      *source,
                             GAsyncResult *result,
                             gpointer      user_data)
@@ -253,6 +261,21 @@ gtd_task_list_eds_set_source (GtdTaskListEds *list,
                                 G_CALLBACK (save_task_list),
                                 list);
 
+      /* Update ::is-removable property */
+      gtd_task_list_set_is_removable (GTD_TASK_LIST (list),
+                                      e_source_get_removable (source) ||
+                                      e_source_get_remote_deletable (source));
+
+      g_signal_connect_swapped (source,
+                                "notify::removable",
+                                G_CALLBACK (source_removable_changed),
+                                list);
+
+      g_signal_connect_swapped (source,
+                                "notify::remote-deletable",
+                                G_CALLBACK (source_removable_changed),
+                                list);
+
       g_object_notify (G_OBJECT (list), "source");
     }
 }
diff --git a/src/gtd-task-list.c b/src/gtd-task-list.c
index f79bfcf..660ad23 100644
--- a/src/gtd-task-list.c
+++ b/src/gtd-task-list.c
@@ -115,6 +115,10 @@ gtd_task_list_set_property (GObject      *object,
       gtd_task_list_set_color (self, g_value_get_boxed (value));
       break;
 
+    case PROP_IS_REMOVABLE:
+      gtd_task_list_set_is_removable (self, g_value_get_boolean (value));
+      break;
+
     case PROP_NAME:
       gtd_task_list_set_name (self, g_value_get_string (value));
       break;
@@ -163,8 +167,8 @@ gtd_task_list_class_init (GtdTaskListClass *klass)
         g_param_spec_boolean ("is-removable",
                               "Whether the task list is removable",
                               "Whether the task list can be removed from the system",
-                              TRUE,
-                              G_PARAM_READABLE));
+                              FALSE,
+                              G_PARAM_READWRITE));
 
   /**
    * GtdTaskList::name:
@@ -515,3 +519,21 @@ gtd_task_list_is_removable (GtdTaskList *list)
 
   return priv->removable;
 }
+
+void
+gtd_task_list_set_is_removable (GtdTaskList *list,
+                                gboolean     is_removable)
+{
+  GtdTaskListPrivate *priv;
+
+  g_return_if_fail (GTD_IS_TASK_LIST (list));
+
+  priv = gtd_task_list_get_instance_private (list);
+
+  if (priv->removable != is_removable)
+    {
+      priv->removable = is_removable;
+
+      g_object_notify (G_OBJECT (list), "is-removable");
+    }
+}
diff --git a/src/gtd-task-list.h b/src/gtd-task-list.h
index 4064747..f62659e 100644
--- a/src/gtd-task-list.h
+++ b/src/gtd-task-list.h
@@ -56,6 +56,9 @@ void                    gtd_task_list_set_color                 (GtdTaskList
 
 gboolean                gtd_task_list_is_removable              (GtdTaskList            *list);
 
+void                    gtd_task_list_set_is_removable          (GtdTaskList            *list,
+                                                                 gboolean                is_removable);
+
 const gchar*            gtd_task_list_get_name                  (GtdTaskList            *list);
 
 void                    gtd_task_list_set_name                  (GtdTaskList            *list,