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/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <android-base/unique_fd.h>
#include <gtest/gtest.h>
#include <inttypes.h>
#include <linux/uinput.h>
#include <log/log.h>
#include <ui/Point.h>
#include <ui/Rect.h>
#include <memory>
namespace android {
// This is the factory method that must be used to create a UinputDevice.
template <class D, class... Ts>
std::unique_ptr<D> createUinputDevice(Ts... args) {
// Using `new` to access non-public constructors.
std::unique_ptr<D> dev(new D(args...));
EXPECT_NO_FATAL_FAILURE(dev->init());
return dev;
}
// --- UinputDevice ---
class UinputDevice {
public:
virtual ~UinputDevice();
inline const char* getName() const { return mName; }
// Subclasses must either provide a public constructor or must be-friend the factory method.
template <class D, class... Ts>
friend std::unique_ptr<D> createUinputDevice(Ts... args);
protected:
const char* mName;
const int16_t mProductId;
explicit UinputDevice(const char* name, int16_t productId);
// Signals which types of events this device supports before it is created.
// This must be overridden by subclasses.
virtual void configureDevice(int fd, uinput_user_dev* device) = 0;
void injectEvent(uint16_t type, uint16_t code, int32_t value);
private:
base::unique_fd mDeviceFd;
// This is called once by the factory method createUinputDevice().
void init();
};
// --- UinputKeyboard ---
class UinputKeyboard : public UinputDevice {
public:
static constexpr const char* KEYBOARD_NAME = "Test Uinput Keyboard Device";
static constexpr int16_t PRODUCT_ID = 42;
// Injects key press and sync.
void pressKey(int key);
// Injects key release and sync.
void releaseKey(int key);
// Injects 4 events: key press, sync, key release, and sync.
void pressAndReleaseKey(int key);
template <class D, class... Ts>
friend std::unique_ptr<D> createUinputDevice(Ts... args);
protected:
explicit UinputKeyboard(const char* name, int16_t productId = PRODUCT_ID,
std::initializer_list<int> keys = {});
void configureDevice(int fd, uinput_user_dev* device) override;
private:
std::set<int> mKeys;
};
// --- UinputHomeKey---
// A keyboard device that has a single HOME key.
class UinputHomeKey : public UinputKeyboard {
public:
static constexpr const char* DEVICE_NAME = "Test Uinput Home Key";
static constexpr int16_t PRODUCT_ID = 43;
// Injects 4 events: key press, sync, key release, and sync.
void pressAndReleaseHomeKey();
template <class D, class... Ts>
friend std::unique_ptr<D> createUinputDevice(Ts... args);
private:
explicit UinputHomeKey();
};
// --- UinputSteamController ---
// A joystick device that sends a BTN_GEAR_DOWN / BTN_WHEEL key.
class UinputSteamController : public UinputKeyboard {
public:
static constexpr const char* DEVICE_NAME = "Test Uinput Steam Controller";
static constexpr int16_t PRODUCT_ID = 44;
template <class D, class... Ts>
friend std::unique_ptr<D> createUinputDevice(Ts... args);
private:
explicit UinputSteamController();
};
// --- UinputExternalStylus ---
// A stylus that reports button presses.
class UinputExternalStylus : public UinputKeyboard {
public:
static constexpr const char* DEVICE_NAME = "Test Uinput External Stylus";
static constexpr int16_t PRODUCT_ID = 45;
template <class D, class... Ts>
friend std::unique_ptr<D> createUinputDevice(Ts... args);
private:
explicit UinputExternalStylus();
};
// --- UinputExternalStylusWithPressure ---
// A stylus that reports button presses and pressure values.
class UinputExternalStylusWithPressure : public UinputKeyboard {
public:
static constexpr const char* DEVICE_NAME = "Test Uinput External Stylus With Pressure";
static constexpr int16_t PRODUCT_ID = 46;
static constexpr int32_t RAW_PRESSURE_MIN = 0;
static constexpr int32_t RAW_PRESSURE_MAX = 255;
void setPressure(int32_t pressure);
template <class D, class... Ts>
friend std::unique_ptr<D> createUinputDevice(Ts... args);
private:
void configureDevice(int fd, uinput_user_dev* device) override;
explicit UinputExternalStylusWithPressure();
};
// --- UinputKeyboardWithUsage ---
// A keyboard that supports EV_MSC MSC_SCAN through which it can report HID usage codes.
class UinputKeyboardWithHidUsage : public UinputKeyboard {
public:
static constexpr const char* DEVICE_NAME = "Test Uinput Keyboard With Usage";
static constexpr int16_t PRODUCT_ID = 47;
template <class D, class... Ts>
friend std::unique_ptr<D> createUinputDevice(Ts... args);
protected:
explicit UinputKeyboardWithHidUsage(std::initializer_list<int> keys);
void configureDevice(int fd, uinput_user_dev* device) override;
};
// --- UinputTouchScreen ---
// A multi-touch touchscreen device with specific size that also supports styluses.
class UinputTouchScreen : public UinputKeyboard {
public:
static constexpr const char* DEVICE_NAME = "Test Uinput Touch Screen";
static constexpr int16_t PRODUCT_ID = 48;
static const int32_t RAW_TOUCH_MIN = 0;
static const int32_t RAW_TOUCH_MAX = 31;
static const int32_t RAW_ID_MIN = 0;
static const int32_t RAW_ID_MAX = 9;
static const int32_t RAW_SLOT_MIN = 0;
static const int32_t RAW_SLOT_MAX = 9;
static const int32_t RAW_PRESSURE_MIN = 0;
static const int32_t RAW_PRESSURE_MAX = 255;
template <class D, class... Ts>
friend std::unique_ptr<D> createUinputDevice(Ts... args);
void sendSlot(int32_t slot);
void sendTrackingId(int32_t trackingId);
void sendDown(const Point& point);
void sendMove(const Point& point);
void sendPressure(int32_t pressure);
void sendPointerUp();
void sendUp();
void sendToolType(int32_t toolType);
void sendSync();
const Point getCenterPoint();
protected:
explicit UinputTouchScreen(const Rect& size, const std::string& physicalPort = "");
private:
void configureDevice(int fd, uinput_user_dev* device) override;
const Rect mSize;
const std::string mPhysicalPort;
};
} // namespace android
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