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/*
* Copyright © 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 2 or 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 warranty of
* MERCHANTABILITY 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/>.
*/
#include "src/server/input/config_changer.h"
#include "src/server/scene/broadcasting_session_event_sink.h"
#include "mir/input/device.h"
#include "mir/scene/session_container.h"
#include "mir/scene/session_event_handler_register.h"
#include "mir/input/input_device_observer.h"
#include "mir/input/mir_touchscreen_config.h"
#include "mir/test/doubles/mock_input_device_hub.h"
#include "mir/test/doubles/mock_input_manager.h"
#include "mir/test/doubles/mock_device.h"
#include "mir/test/doubles/mock_scene_session.h"
#include "mir/test/doubles/stub_session.h"
#include "mir/test/fake_shared.h"
#include <gtest/gtest.h>
#include <gmock/gmock.h>
namespace mi = mir::input;
namespace ms = mir::scene;
namespace mt = mir::test;
namespace mtd = mt::doubles;
using namespace ::testing;
namespace
{
struct FakeInputDeviceHub : mir::input::InputDeviceHub
{
std::shared_ptr<mi::InputDeviceObserver> observer;
std::string const first{"first"};
std::string const second{"second"};
MirInputDeviceId const first_id{13};
MirInputDeviceId const second_id{14};
mi::DeviceCapabilities const caps = mi::DeviceCapability::pointer | mi::DeviceCapability::touchpad |
mi::DeviceCapability::keyboard | mi::DeviceCapability::alpha_numeric |
mi::DeviceCapability::touchscreen;
NiceMock<mtd::MockDevice> first_device{first_id, caps, first, first};
NiceMock<mtd::MockDevice> second_device{second_id, caps, second, second};
std::vector<std::shared_ptr<mir::input::Device>> active_devices;
void add_observer(std::shared_ptr<mi::InputDeviceObserver> const& obs) override
{
observer = obs;
observer->device_added(mt::fake_shared(first_device));
observer->changes_complete();
}
void remove_observer(std::weak_ptr<mi::InputDeviceObserver> const&) override
{
observer.reset();
}
void for_each_input_device(std::function<void(mi::Device const& device)> const& callback) override
{
for (auto const & device : active_devices)
callback(*device);
}
void for_each_mutable_input_device(std::function<void(mi::Device& device)> const& callback) override
{
for (auto & device : active_devices)
callback(*device);
}
FakeInputDeviceHub()
{
active_devices.push_back(mt::fake_shared(first_device));
}
void add_second_device()
{
active_devices.push_back(mt::fake_shared(second_device));
if (observer)
{
observer->device_added(mt::fake_shared(second_device));
observer->changes_complete();
}
}
};
}
struct ConfigChanger : Test
{
NiceMock<mtd::MockInputManager> mock_input_manager;
FakeInputDeviceHub hub;
ms::SessionContainer session_container;
ms::BroadcastingSessionEventSink session_event_sink;
mi::ConfigChanger changer{mt::fake_shared(mock_input_manager), mt::fake_shared(hub),
mt::fake_shared(session_container), mt::fake_shared(session_event_sink),
mt::fake_shared(hub)};
auto get_full_device_conf(MirInputDeviceId id,
mi::DeviceCapabilities caps,
std::string const& name,
std::string const& unique_id)
{
MirInputDevice conf(id, caps, name, unique_id);
conf.set_keyboard_config(MirKeyboardConfig{});
conf.set_pointer_config(MirPointerConfig{});
conf.set_touchpad_config(MirTouchpadConfig{});
conf.set_touchscreen_config(MirTouchscreenConfig{});
return conf;
}
auto get_populated_conf(MirInputDevice && conf)
{
MirInputConfig ret;
ret.add_device_config(std::move(conf));
return ret;
}
auto conf_for_first()
{
return get_full_device_conf(hub.first_id, hub.caps, hub.first, hub.first);
}
auto conf_for_second()
{
return get_full_device_conf(hub.second_id, hub.caps, hub.second, hub.second);
}
};
TEST_F(ConfigChanger, doesnt_apply_config_for_unfocused_session)
{
MirInputConfig conf{get_populated_conf(conf_for_first())};
EXPECT_CALL(hub.first_device, apply_touchpad_configuration(_)).Times(0);
EXPECT_CALL(hub.first_device, apply_keyboard_configuration(_)).Times(0);
EXPECT_CALL(hub.first_device, apply_pointer_configuration(_)).Times(0);
EXPECT_CALL(hub.first_device, apply_touchscreen_configuration(_)).Times(0);
changer.configure(std::make_shared<mtd::StubSession>(), std::move(conf));
}
TEST_F(ConfigChanger, returns_updated_base_configuration_after_hardware_change)
{
MirInputConfig conf{get_populated_conf(conf_for_first())};
conf.add_device_config(conf_for_second());
hub.observer->device_added(mt::fake_shared(hub.second_device));
hub.observer->changes_complete();
auto const base_conf = changer.base_configuration();
EXPECT_THAT(base_conf, Eq(conf));
}
TEST_F(ConfigChanger, hardware_change_doesnt_apply_base_config_if_per_session_config_is_active)
{
auto session1 = std::make_shared<mtd::StubSession>();
changer.configure(session1, get_populated_conf(conf_for_first()));
session_event_sink.handle_focus_change(session1);
EXPECT_CALL(hub.first_device, apply_touchpad_configuration(_)).Times(0);
EXPECT_CALL(hub.first_device, apply_keyboard_configuration(_)).Times(0);
EXPECT_CALL(hub.first_device, apply_pointer_configuration(_)).Times(0);
EXPECT_CALL(hub.second_device, apply_touchpad_configuration(_)).Times(0);
EXPECT_CALL(hub.second_device, apply_keyboard_configuration(_)).Times(0);
EXPECT_CALL(hub.second_device, apply_pointer_configuration(_)).Times(0);
hub.observer->device_added(mt::fake_shared(hub.second_device));
hub.observer->changes_complete();
}
TEST_F(ConfigChanger, notifies_all_sessions_on_hardware_config_change)
{
mtd::MockSceneSession mock_session1;
mtd::MockSceneSession mock_session2;
session_container.insert_session(mt::fake_shared(mock_session1));
session_container.insert_session(mt::fake_shared(mock_session2));
EXPECT_CALL(mock_session1, send_input_config(_));
EXPECT_CALL(mock_session2, send_input_config(_));
hub.add_second_device();
}
TEST_F(ConfigChanger, focusing_a_session_with_attached_config_applies_config)
{
auto changed_ptr_config = MirPointerConfig{mir_pointer_handedness_left, mir_pointer_acceleration_none, 0, 1, -1};
auto changed_device_config = conf_for_first();
changed_device_config.set_pointer_config(changed_ptr_config);
auto changed_config = get_populated_conf(std::move(changed_device_config));
auto session1 = std::make_shared<mtd::StubSession>();
session_container.insert_session(session1);
changer.configure(session1, std::move(changed_config));
EXPECT_CALL(hub.first_device, apply_pointer_configuration(changed_ptr_config));
session_event_sink.handle_focus_change(session1);
}
TEST_F(ConfigChanger, configuring_a_focused_session_sends_changed_config_to_client)
{
auto session = std::make_shared<mtd::MockSceneSession>();
session_container.insert_session(session);
session_event_sink.handle_focus_change(session);
auto changed_ptr_config = MirPointerConfig{mir_pointer_handedness_right, mir_pointer_acceleration_none, 0, -1, 1};
auto changed_device_config = conf_for_first();
changed_device_config.set_pointer_config(changed_ptr_config);
auto changed_config = get_populated_conf(std::move(changed_device_config));
EXPECT_CALL(*session, send_input_config(Eq(changed_config)));
changer.configure(session, std::move(changed_config));
}
TEST_F(ConfigChanger, setting_the_base_configuration_changes_the_base_configuration)
{
auto changed_ptr_config = MirPointerConfig{mir_pointer_handedness_left, mir_pointer_acceleration_none, 0, 1, -1};
auto changed_device_config = conf_for_first();
changed_device_config.set_pointer_config(changed_ptr_config);
auto changed_config = get_populated_conf(std::move(changed_device_config));
EXPECT_CALL(hub.first_device, apply_pointer_configuration(changed_ptr_config));
changer.set_base_configuration(std::move(changed_config));
}
TEST_F(ConfigChanger, informs_input_manager_about_configuration_in_progess)
{
EXPECT_CALL(mock_input_manager, pause_for_config());
EXPECT_CALL(mock_input_manager, continue_after_config());
changer.set_base_configuration(get_populated_conf(conf_for_first()));
}
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