From f84d3bdb7006eee351942a31d033ca0d62f3292a Mon Sep 17 00:00:00 2001
From: Charles Kerr <charles.kerr@canonical.com>
Date: Sun, 7 Dec 2014 20:52:50 -0600
Subject: disable one-time alarms after their notifications are shown.

---
 src/engine-eds.cpp | 82 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/main.cpp       |  5 +++-
 2 files changed, 86 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/engine-eds.cpp b/src/engine-eds.cpp
index 23e2883..210ef42 100644
--- a/src/engine-eds.cpp
+++ b/src/engine-eds.cpp
@@ -136,6 +136,22 @@ public:
         }
     }
 
+    void disable_ubuntu_alarm(const Appointment& appointment)
+    {
+        if (appointment.is_ubuntu_alarm())
+        {
+            for (auto& kv : m_clients) // find the matching icalcomponent
+            {
+                e_cal_client_get_object(kv.second,
+                                        appointment.uid.c_str(),
+                                        nullptr,
+                                        m_cancellable,
+                                        on_object_ready_for_disable,
+                                        this);
+            }
+        }
+    }
+
 private:
 
     void set_dirty_now()
@@ -506,6 +522,67 @@ private:
  
         return G_SOURCE_CONTINUE;
     }
+
+    /***
+    ****
+    ***/
+
+    static void on_object_ready_for_disable(GObject      * client,
+                                            GAsyncResult * result,
+                                            gpointer       gself)
+    {
+        icalcomponent * icc = nullptr;
+        if (e_cal_client_get_object_finish (E_CAL_CLIENT(client), result, &icc, nullptr))
+        {
+            struct icaltimetype itt = icalcomponent_get_recurrenceid(icc);
+            if (icaltime_is_null_time(itt))
+            {
+                g_debug("'%s' appears to be a one-time alarm... adding 'disabled' tag.",
+                        icalcomponent_as_ical_string(icc));
+
+                auto ecc = e_cal_component_new_from_icalcomponent (icc); // takes ownership of icc
+                icc = nullptr;
+
+                if (ecc != nullptr)
+                {
+                    // add TAG_DISABLED to the list of categories
+                    GSList * old_categories = nullptr;
+                    e_cal_component_get_categories_list(ecc, &old_categories);
+                    auto new_categories = g_slist_copy(old_categories);
+                    new_categories = g_slist_append(new_categories, const_cast<char*>(TAG_DISABLED));
+                    e_cal_component_set_categories_list(ecc, new_categories);
+                    g_slist_free(new_categories);
+                    e_cal_component_free_categories_list(old_categories);
+                    e_cal_client_modify_object(E_CAL_CLIENT(client),
+                                               e_cal_component_get_icalcomponent(ecc),
+                                               E_CAL_OBJ_MOD_THIS,
+                                               static_cast<Impl*>(gself)->m_cancellable,
+                                               on_disable_done,
+                                               nullptr);
+
+                    g_clear_object(&ecc);
+                }
+            }
+
+            g_clear_pointer(&icc, icalcomponent_free);
+        }
+    }
+
+    static void on_disable_done (GObject* gclient, GAsyncResult *res, gpointer)
+    {
+        GError * error = nullptr;
+        if (!e_cal_client_modify_object_finish (E_CAL_CLIENT(gclient), res, &error))
+        {
+            if (!g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+                g_warning("indicator-datetime cannot mark one-time alarm as disabled: %s", error->message);
+
+            g_error_free(error);
+        }
+    }
+
+    /***
+    ****
+    ***/
  
     core::Signal<> m_changed;
     std::set<ESource*> m_sources;
@@ -541,6 +618,11 @@ void EdsEngine::get_appointments(const DateTime& begin,
     p->get_appointments(begin, end, tz, func);
 }
 
+void EdsEngine::disable_ubuntu_alarm(const Appointment& appointment)
+{
+    p->disable_ubuntu_alarm(appointment);
+}
+
 /***
 ****
 ***/
diff --git a/src/main.cpp b/src/main.cpp
index aa8f829..1761f84 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -139,7 +139,10 @@ main(int /*argc*/, char** /*argv*/)
     auto alarm_queue = create_simple_alarm_queue(state->clock, snooze_planner, engine, timezone_);
     auto on_snooze = [snooze_planner](const Appointment& a) {snooze_planner->add(a);};
     auto on_ok = [](const Appointment&){};
-    auto on_alarm_reached = [&snap, &on_snooze, &on_ok](const Appointment& a) {(*snap)(a, on_snooze, on_ok);};
+    auto on_alarm_reached = [&engine, &snap, &on_snooze, &on_ok](const Appointment& a) {
+        (*snap)(a, on_snooze, on_ok);
+        engine->disable_ubuntu_alarm(a);
+    };
     alarm_queue->alarm_reached().connect(on_alarm_reached);
 
     // create the menus
-- 
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