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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/events/devices/x11/device_data_manager_x11.h"
#include <vector>
#include "base/memory/raw_ptr.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/events/devices/device_hotplug_event_observer.h"
#include "ui/events/devices/input_device.h"
#include "ui/events/devices/input_device_event_observer.h"
#include "ui/events/devices/keyboard_device.h"
#include "ui/events/devices/touchscreen_device.h"
namespace ui {
namespace test {
namespace {
class TestInputDeviceObserver : public InputDeviceEventObserver {
public:
explicit TestInputDeviceObserver(DeviceDataManagerX11* manager)
: manager_(manager), change_notified_(false) {
if (manager_)
manager_->AddObserver(this);
}
TestInputDeviceObserver(const TestInputDeviceObserver&) = delete;
TestInputDeviceObserver& operator=(const TestInputDeviceObserver&) = delete;
~TestInputDeviceObserver() override {
if (manager_)
manager_->RemoveObserver(this);
}
// InputDeviceEventObserver implementation.
void OnInputDeviceConfigurationChanged(uint8_t) override {
change_notified_ = true;
}
int change_notified() const { return change_notified_; }
void Reset() { change_notified_ = false; }
private:
raw_ptr<DeviceDataManager> manager_;
bool change_notified_;
};
} // namespace
class DeviceDataManagerX11Test : public testing::Test {
public:
DeviceDataManagerX11Test() = default;
DeviceDataManagerX11Test(const DeviceDataManagerX11Test&) = delete;
DeviceDataManagerX11Test& operator=(const DeviceDataManagerX11Test&) = delete;
~DeviceDataManagerX11Test() override = default;
void SetUp() override { DeviceDataManagerX11::CreateInstance(); }
void TearDown() override {
SetKeyboardDevices(std::vector<KeyboardDevice>());
}
virtual void SetKeyboardDevices(const std::vector<KeyboardDevice>& devices) {
DeviceHotplugEventObserver* manager = DeviceDataManagerX11::GetInstance();
manager->OnKeyboardDevicesUpdated(devices);
}
};
// Tests that the the device data manager notifies observers when a device is
// disabled and re-enabled.
TEST_F(DeviceDataManagerX11Test, NotifyOnDisable) {
DeviceDataManagerX11* manager = DeviceDataManagerX11::GetInstance();
TestInputDeviceObserver observer(manager);
std::vector<ui::KeyboardDevice> keyboards;
keyboards.emplace_back(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
"Keyboard");
keyboards.emplace_back(2, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
"Keyboard");
SetKeyboardDevices(keyboards);
EXPECT_TRUE(observer.change_notified());
std::vector<KeyboardDevice> devices = manager->GetKeyboardDevices();
EXPECT_EQ(keyboards.size(), devices.size());
observer.Reset();
// Disable the device, should be notified that the device list contains one
// less device.
manager->DisableDevice(static_cast<x11::Input::DeviceId>(2));
EXPECT_TRUE(observer.change_notified());
devices = manager->GetKeyboardDevices();
EXPECT_EQ(1u, devices.size());
InputDevice device = devices.front();
EXPECT_EQ(1, device.id);
observer.Reset();
// Reenable the device, should be notified that the device list contains one
// more device.
manager->EnableDevice(static_cast<x11::Input::DeviceId>(2));
EXPECT_TRUE(observer.change_notified());
devices = manager->GetKeyboardDevices();
EXPECT_EQ(keyboards.size(), devices.size());
}
// Tests blocking multiple devices.
TEST_F(DeviceDataManagerX11Test, TestMultipleDisable) {
DeviceDataManagerX11* manager = DeviceDataManagerX11::GetInstance();
TestInputDeviceObserver observer(manager);
std::vector<ui::KeyboardDevice> keyboards;
keyboards.emplace_back(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
"Keyboard");
keyboards.emplace_back(2, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
"Keyboard");
SetKeyboardDevices(keyboards);
EXPECT_TRUE(observer.change_notified());
std::vector<KeyboardDevice> devices = manager->GetKeyboardDevices();
EXPECT_EQ(keyboards.size(), devices.size());
observer.Reset();
// Disable the device, should be notified that the device list contains one
// less device.
manager->DisableDevice(static_cast<x11::Input::DeviceId>(1));
EXPECT_TRUE(observer.change_notified());
devices = manager->GetKeyboardDevices();
EXPECT_EQ(1u, devices.size());
observer.Reset();
// Disable the second device, should be notified that the device list empty.
manager->DisableDevice(static_cast<x11::Input::DeviceId>(2));
EXPECT_TRUE(observer.change_notified());
devices = manager->GetKeyboardDevices();
EXPECT_EQ(0u, devices.size());
observer.Reset();
// Enable the first device, should be notified that one device present.
manager->EnableDevice(static_cast<x11::Input::DeviceId>(1));
EXPECT_TRUE(observer.change_notified());
devices = manager->GetKeyboardDevices();
EXPECT_EQ(1u, devices.size());
observer.Reset();
// Enable the second device, should be notified that both devices present.
manager->EnableDevice(static_cast<x11::Input::DeviceId>(2));
EXPECT_TRUE(observer.change_notified());
devices = manager->GetKeyboardDevices();
EXPECT_EQ(2u, devices.size());
}
TEST_F(DeviceDataManagerX11Test, UnblockOnDeviceUnplugged) {
DeviceDataManagerX11* manager = DeviceDataManagerX11::GetInstance();
TestInputDeviceObserver observer(manager);
std::vector<ui::KeyboardDevice> all_keyboards;
all_keyboards.emplace_back(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
"Keyboard");
all_keyboards.emplace_back(2, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
"Keyboard");
SetKeyboardDevices(all_keyboards);
EXPECT_TRUE(observer.change_notified());
std::vector<KeyboardDevice> devices = manager->GetKeyboardDevices();
EXPECT_EQ(all_keyboards.size(), devices.size());
observer.Reset();
// Expect to be notified that the device is no longer available.
manager->DisableDevice(static_cast<x11::Input::DeviceId>(2));
EXPECT_TRUE(observer.change_notified());
devices = manager->GetKeyboardDevices();
EXPECT_EQ(1u, devices.size());
observer.Reset();
// Unplug the disabled device. Should not be notified, since the active list
// did not change.
std::vector<ui::KeyboardDevice> subset_keyboards;
subset_keyboards.emplace_back(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
"Keyboard");
SetKeyboardDevices(subset_keyboards);
EXPECT_FALSE(observer.change_notified());
// Replug in the first device. Should be notified of the new device.
SetKeyboardDevices(all_keyboards);
EXPECT_TRUE(observer.change_notified());
devices = manager->GetKeyboardDevices();
// Both devices now present.
EXPECT_EQ(2u, devices.size());
}
} // namespace test
} // namespace ui
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