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authorCharles Kerr <charles.kerr@canonical.com>2016-03-24 16:16:53 +0000
committerCI Train Bot <ci-train-bot@canonical.com>2016-03-24 16:16:53 +0000
commite3fa9582a01f14e6d80e00d375361a76df716895 (patch)
tree7b9521ad7cfa7a2e765be265d5ecd98cb9bcad23 /src/greeter.cpp
parentd2f14e07000e9a5ee418bcbcd34c5ae57bd45590 (diff)
parent194d7e85a52cbc0060a2d85b71b9ddd8b606aee4 (diff)
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When a new device appears to ADB, prompt the user whether or not to allow the connection.
Approved by: PS Jenkins bot, Charles Kerr, Xavi Garcia
Diffstat (limited to 'src/greeter.cpp')
-rw-r--r--src/greeter.cpp161
1 files changed, 161 insertions, 0 deletions
diff --git a/src/greeter.cpp b/src/greeter.cpp
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+/*
+ * 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)));
+
+ g_dbus_connection_call(m_bus,
+ DBusNames::UnityGreeter::NAME,
+ DBusNames::UnityGreeter::PATH,
+ DBusNames::Properties::INTERFACE,
+ "Get",
+ g_variant_new("(ss)", DBusNames::UnityGreeter::INTERFACE, "IsActive"),
+ G_VARIANT_TYPE("(v)"),
+ G_DBUS_CALL_FLAGS_NONE,
+ -1,
+ m_cancellable,
+ on_get_is_active_ready,
+ this);
+
+ m_subscription_id = g_dbus_connection_signal_subscribe(m_bus,
+ DBusNames::UnityGreeter::NAME,
+ DBusNames::Properties::INTERFACE,
+ DBusNames::Properties::PropertiesChanged::NAME,
+ DBusNames::UnityGreeter::PATH,
+ DBusNames::UnityGreeter::INTERFACE,
+ G_DBUS_SIGNAL_FLAGS_NONE,
+ on_properties_changed_signal,
+ this,
+ nullptr);
+ }
+
+ static void on_get_is_active_ready(GObject* source, GAsyncResult* res, gpointer gself)
+ {
+ GError* error {};
+ auto v = g_dbus_connection_call_finish(G_DBUS_CONNECTION(source), 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 {
+ GVariant* is_active {};
+ g_variant_get_child(v, 0, "v", &is_active);
+ static_cast<Impl*>(gself)->m_is_active.set(g_variant_get_boolean(is_active));
+ g_clear_pointer(&is_active, g_variant_unref);
+ }
+ g_clear_pointer(&v, g_variant_unref);
+ }
+
+ static void on_properties_changed_signal(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(object_path, DBusNames::UnityGreeter::PATH));
+ g_return_if_fail(!g_strcmp0(interface_name, DBusNames::Properties::INTERFACE));
+ g_return_if_fail(!g_strcmp0(signal_name, DBusNames::Properties::PropertiesChanged::NAME));
+ g_return_if_fail(g_variant_is_of_type(parameters, G_VARIANT_TYPE(DBusNames::Properties::PropertiesChanged::ARGS_VARIANT_TYPE)));
+
+ auto v = g_variant_get_child_value (parameters, 1);
+ gboolean is_active {};
+ if (g_variant_lookup(v, "IsActive", "b", &is_active))
+ {
+ g_debug("%s is_active changed to %d", G_STRLOC, int(is_active));
+ static_cast<Impl*>(gself)->m_is_active.set(is_active);
+ }
+ g_clear_pointer(&v, g_variant_unref);
+ }
+
+ 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():
+ impl{new Impl{}}
+{
+}
+
+UnityGreeter::~UnityGreeter() =default;
+
+core::Property<bool>&
+UnityGreeter::is_active()
+{
+ return impl->is_active();
+}