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-rw-r--r--src/exporter.cpp217
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diff --git a/src/exporter.cpp b/src/exporter.cpp
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+/*
+ * Copyright 2014 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 <src/exporter.h>
+
+class Exporter::Impl
+{
+public:
+
+ Impl(const std::shared_ptr<Indicator>& indicator):
+ m_indicator(indicator)
+ {
+ auto bus_name = g_strdup_printf("com.canonical.indicator.%s", indicator->name());
+ m_own_id = g_bus_own_name(G_BUS_TYPE_SESSION,
+ bus_name,
+ G_BUS_NAME_OWNER_FLAGS_NONE,
+ on_bus_acquired,
+ nullptr,
+ on_name_lost,
+ this,
+ nullptr);
+
+ g_free(bus_name);
+ }
+
+ ~Impl()
+ {
+ if (m_bus != nullptr)
+ {
+ for(const auto& id : m_exported_menu_ids)
+ g_dbus_connection_unexport_menu_model(m_bus, id);
+
+ if (m_exported_actions_id)
+ g_dbus_connection_unexport_action_group(m_bus, m_exported_actions_id);
+ }
+
+ if (m_own_id)
+ g_bus_unown_name(m_own_id);
+
+ g_clear_object(&m_bus);
+ }
+
+ core::Signal<std::string>& name_lost()
+ {
+ return m_name_lost;
+ }
+
+private:
+
+ void emit_name_lost(const char* bus_name)
+ {
+ m_name_lost(bus_name);
+ }
+
+ static void on_bus_acquired(GDBusConnection * connection,
+ const gchar * name,
+ gpointer gself)
+ {
+ static_cast<Impl*>(gself)->on_bus_acquired(connection, name);
+ }
+
+ void on_bus_acquired(GDBusConnection* connection, const gchar* /*name*/)
+ {
+ m_bus = G_DBUS_CONNECTION(g_object_ref(G_OBJECT(connection)));
+
+ export_actions(m_indicator);
+
+ for (auto& profile : m_indicator->profiles())
+ export_profile(m_indicator, profile);
+ }
+
+ void export_actions(const std::shared_ptr<Indicator>& indicator)
+ {
+ GError* error;
+ char* object_path;
+ guint id;
+
+ // export the actions
+
+ error = nullptr;
+ object_path = g_strdup_printf("/com/canonical/indicator/%s", indicator->name());
+ id = g_dbus_connection_export_action_group(m_bus,
+ object_path,
+ G_ACTION_GROUP(indicator->action_group()),
+ &error);
+ if (id)
+ m_exported_actions_id = id;
+ else
+ g_warning("Can't export action group to '%s': %s", object_path, error->message);
+
+ g_clear_error(&error);
+ g_free(object_path);
+ }
+
+ static GVariant* create_header_state(const Header& h)
+ {
+ GVariantBuilder b;
+ g_variant_builder_init(&b, G_VARIANT_TYPE_VARDICT);
+
+ g_variant_builder_add(&b, "{sv}", "visible", g_variant_new_boolean(h.is_visible));
+
+ if (!h.title.empty())
+ g_variant_builder_add(&b, "{sv}", "title", g_variant_new_string(h.title.c_str()));
+
+ if (!h.label.empty())
+ g_variant_builder_add(&b, "{sv}", "label", g_variant_new_string(h.label.c_str()));
+
+ if (!h.title.empty() || !h.label.empty())
+ g_variant_builder_add(&b, "{sv}", "accessible-desc", g_variant_new_string(!h.label.empty() ? h.label.c_str() : h.title.c_str()));
+
+ if (h.icon)
+ g_variant_builder_add(&b, "{sv}", "icon", g_icon_serialize(h.icon.get()));
+
+ return g_variant_builder_end (&b);
+ }
+
+ void export_profile(const std::shared_ptr<Indicator>& indicator,
+ const std::shared_ptr<Profile>& profile)
+ {
+ // build the header action
+ auto action_group = indicator->action_group();
+ std::string action_name = profile->name() + "-header";
+ auto a = g_simple_action_new_stateful(action_name.c_str(), nullptr, create_header_state(profile->header()));
+ g_action_map_add_action(G_ACTION_MAP(action_group), G_ACTION(a));
+ profile->header().changed().connect([action_group,action_name](const Header& header){
+ auto state = create_header_state(header);
+ auto tmp = g_variant_print(state, true);
+ g_message("header changed; updating action state to '%s'", tmp);
+ g_action_group_change_action_state(G_ACTION_GROUP(action_group),
+ action_name.c_str(),
+ create_header_state(header));
+ g_free(tmp);
+ });
+
+ // build the header menu
+ auto detailed_action = g_strdup_printf("indicator.%s", action_name.c_str());
+ GMenuItem* header = g_menu_item_new(nullptr, detailed_action);
+ g_menu_item_set_attribute(header, "x-canonical-type", "s", "com.canonical.indicator.root");
+ g_menu_item_set_submenu(header, profile->menu_model().get());
+ g_free(detailed_action);
+
+ // build the menu
+ auto menu = g_menu_new();
+ g_menu_append_item(menu, header);
+ g_object_unref(header);
+
+ // export the menu
+ auto object_path = g_strdup_printf("/com/canonical/indicator/%s/%s",
+ indicator->name(),
+ profile->name().c_str());
+ GError* error = nullptr;
+ auto id = g_dbus_connection_export_menu_model(m_bus, object_path, G_MENU_MODEL(menu), &error);
+ if (id)
+ m_exported_menu_ids.insert(id);
+ else if (error != nullptr)
+ g_warning("cannot export '%s': %s", object_path, error->message);
+
+ g_free(object_path);
+ g_clear_error(&error);
+ //g_object_unref(menu);
+ }
+
+ static void on_name_lost(GDBusConnection * /*connection*/,
+ const gchar * name,
+ gpointer gthis)
+ {
+ static_cast<Impl*>(gthis)->emit_name_lost(name);
+ }
+
+ const std::string m_bus_name;
+ core::Signal<std::string> m_name_lost;
+ std::shared_ptr<Indicator> m_indicator;
+ std::set<guint> m_exported_menu_ids;
+ guint m_own_id = 0;
+ guint m_exported_actions_id = 0;
+ GDBusConnection * m_bus = nullptr;
+};
+
+/***
+****
+***/
+
+Exporter::Exporter(const std::shared_ptr<Indicator>& indicator):
+ impl(new Impl(indicator))
+{
+}
+
+Exporter::~Exporter()
+{
+}
+
+core::Signal<std::string>&
+Exporter::name_lost()
+{
+ return impl->name_lost();
+}
+
+/***
+****
+***/
+