diff options
| -rw-r--r-- | src/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | src/dbus-names.h | 7 | ||||
| -rw-r--r-- | src/greeter.cpp | 123 | ||||
| -rw-r--r-- | src/greeter.h | 47 |
4 files changed, 178 insertions, 0 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index cdd2384..060071d 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -10,6 +10,7 @@ add_library( STATIC adbd-client.cpp exporter.cpp + greeter.cpp indicator.cpp rotation-lock.cpp usb-manager.cpp diff --git a/src/dbus-names.h b/src/dbus-names.h index 753b8c8..3127b9f 100644 --- a/src/dbus-names.h +++ b/src/dbus-names.h @@ -38,5 +38,12 @@ namespace DBusNames enum Reason { EXPIRED=1, DISMISSED=2, API=3, UNDEFINED=4 }; } } + + namespace UnityGreeter + { + static constexpr char const * NAME = "com.canonical.UnityGreeter"; + static constexpr char const * PATH = "/"; + static constexpr char const * INTERFACE = "com.canonical.UnityGreeter"; + } } diff --git a/src/greeter.cpp b/src/greeter.cpp new file mode 100644 index 0000000..351b870 --- /dev/null +++ b/src/greeter.cpp @@ -0,0 +1,123 @@ +/* + * Copyright 2016 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/dbus-names.h> +#include <src/greeter.h> + +#include <gio/gio.h> + +class UnityGreeter::Impl +{ +public: + + Impl(): + m_cancellable{g_cancellable_new()} + { + g_bus_get(G_BUS_TYPE_SESSION, m_cancellable, on_bus_ready_static, this); + } + + ~Impl() + { + g_cancellable_cancel(m_cancellable); + g_clear_object(&m_cancellable); + + if (m_subscription_id != 0) + g_dbus_connection_signal_unsubscribe (m_bus, m_subscription_id); + + g_clear_object(&m_bus); + } + + core::Property<bool>& is_active() + { + return m_is_active; + } + +private: + + static void on_bus_ready_static(GObject* /*source*/, GAsyncResult* res, gpointer gself) + { + GError* error {}; + auto bus = g_bus_get_finish (res, &error); + if (error != nullptr) { + if (!g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + g_warning("UsbSnap: Error getting session bus: %s", error->message); + g_clear_error(&error); + } else { + static_cast<Impl*>(gself)->on_bus_ready(bus); + } + g_clear_object(&bus); + } + + void on_bus_ready(GDBusConnection* bus) + { + m_bus = G_DBUS_CONNECTION(g_object_ref(G_OBJECT(bus))); + + m_subscription_id = g_dbus_connection_signal_subscribe(m_bus, + DBusNames::UnityGreeter::NAME, + "org.freedesktop.DBus.Properties", + "PropertiesChanged", + DBusNames::UnityGreeter::PATH, + nullptr, + G_DBUS_SIGNAL_FLAGS_NONE, + on_properties_changed_signal_static, + this, + nullptr); + } + + static void on_properties_changed_signal_static(GDBusConnection* /*connection*/, + const gchar* sender_name, + const gchar* object_path, + const gchar* interface_name, + const gchar* signal_name, + GVariant* parameters, + gpointer gself) + { + g_return_if_fail(!g_strcmp0(sender_name, DBusNames::UnityGreeter::NAME)); + g_return_if_fail(!g_strcmp0(object_path, DBusNames::UnityGreeter::PATH)); + g_return_if_fail(!g_strcmp0(interface_name, "org.freedesktop.DBus.Properties")); + g_return_if_fail(!g_strcmp0(signal_name, "PropertiesChanged")); + + static_cast<Impl*>(gself)->on_properties_changed_signal(parameters); + } + + void on_properties_changed_signal(GVariant* parameters) + { + g_message("%s %s", G_STRLOC, g_variant_print(parameters, true)); + } + + core::Property<bool> m_is_active; + GCancellable* m_cancellable {}; + GDBusConnection* m_bus {}; + unsigned int m_subscription_id {}; +}; + +/*** +**** +***/ + +Greeter::Greeter() =default; + +Greeter::~Greeter() =default; + +UnityGreeter::~UnityGreeter() =default; + +UnityGreeter::UnityGreeter(): + impl{new Impl{}} +{ +} diff --git a/src/greeter.h b/src/greeter.h new file mode 100644 index 0000000..e084d25 --- /dev/null +++ b/src/greeter.h @@ -0,0 +1,47 @@ +/* + * Copyright 2016 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> + */ + +#pragma once + +#include <core/property.h> + +#include <memory> +#include <string> + +class Greeter +{ +public: + Greeter(); + virtual ~Greeter(); + virtual core::Property<bool>& is_active() =0; +}; + + +class UnityGreeter: public Greeter +{ +public: + UnityGreeter(); + virtual ~UnityGreeter(); + core::Property<bool>& is_active() override; + +protected: + class Impl; + std::unique_ptr<Impl> impl; +}; + |