add locations + tests

2 files changed, 146 insertions, 0 deletions

diff --git a/src/locations-settings.cpp b/src/locations-settings.cpp
new file mode 100644
index 0000000..ed8f998
--- /dev/null
+++ b/src/locations-settings.cpp
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 3, as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@canonical.com>
+ */
+
+#include <datetime/locations-settings.h>
+
+#include <datetime/settings-shared.h>
+#include <datetime/timezones.h>
+#include <datetime/utils.h>
+
+#include <algorithm> // std::find()
+
+namespace unity {
+namespace indicator {
+namespace datetime {
+
+SettingsLocations::SettingsLocations (const std::string& schemaId,
+                                      const std::shared_ptr<Timezones>& timezones):
+    timezones_(timezones)
+{
+    auto deleter = [&](GSettings* s){g_object_unref(s);};
+    settings_ = std::unique_ptr<GSettings,std::function<void(GSettings*)>>(g_settings_new(schemaId.c_str()), deleter);
+    const char * keys[] = { "changed::" SETTINGS_LOCATIONS_S,
+                            "changed::" SETTINGS_SHOW_LOCATIONS_S };
+    for (int i=0, n=G_N_ELEMENTS(keys); i<n; i++)
+        g_signal_connect_swapped (settings_.get(), keys[i], G_CALLBACK(onSettingsChanged), this);
+
+    timezones->timezone.changed().connect([this](const std::string&){reload();});
+    timezones->timezones.changed().connect([this](const std::set<std::string>&){reload();});
+
+    reload();
+}
+
+void
+SettingsLocations::onSettingsChanged (gpointer gself)
+{
+    static_cast<SettingsLocations*>(gself)->reload();
+}
+
+void
+SettingsLocations::reload()
+{
+    std::vector<Location> v;
+
+    // add the primary timezone first
+    std::string zone = timezones_->timezone.get();
+    if (!zone.empty())
+    {
+        gchar * name = get_current_zone_name (zone.c_str(), settings_.get());
+        Location l (zone, name);
+        v.push_back (l);
+        g_free (name);
+    }
+
+    // add the other detected timezones
+    for (const auto& zone : timezones_->timezones.get())
+    {
+        gchar * name = get_current_zone_name (zone.c_str(), settings_.get());
+        Location l (zone, name);
+        if (std::find (v.begin(), v.end(), l) == v.end())
+            v.push_back (l);
+        g_free (name);
+    }
+
+    // maybe add the user-specified locations
+    if (g_settings_get_boolean (settings_.get(), SETTINGS_SHOW_LOCATIONS_S))
+    {
+        gchar ** user_locations = g_settings_get_strv (settings_.get(), SETTINGS_LOCATIONS_S);
+
+        for (int i=0; user_locations[i]; i++)
+        {
+            gchar * zone;
+            gchar * name;
+            split_settings_location (user_locations[i], &zone, &name);
+            Location l (zone, name);
+            if (std::find (v.begin(), v.end(), l) == v.end())
+                v.push_back (l);
+            g_free (name);
+            g_free (zone);
+        }
+
+        g_strfreev (user_locations);
+    }
+
+    locations.set (v);
+}
+
+} // namespace datetime
+} // namespace indicator
+} // namespace unity
diff --git a/src/locations.cpp b/src/locations.cpp
new file mode 100644
index 0000000..5c3c52b
--- /dev/null
+++ b/src/locations.cpp
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 3, as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@canonical.com>
+ */
+
+#include <datetime/locations.h>
+
+#include <glib.h>
+
+namespace unity {
+namespace indicator {
+namespace datetime {
+
+Location::Location(const std::string& zone_, const std::string& name_):
+    zone(zone_),
+    name(name_)
+{
+    GTimeZone * gzone = g_time_zone_new (zone.c_str());
+    GDateTime * gtime = g_date_time_new_now (gzone);
+    offset = g_date_time_get_utc_offset (gtime);
+    g_date_time_unref (gtime);
+    g_time_zone_unref (gzone);
+}
+
+} // namespace datetime
+} // namespace indicator
+} // namespace unity