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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.
*/
#ifndef _UI_TEST_INPUT_UINPUT_INJECTOR_H
#define _UI_TEST_INPUT_UINPUT_INJECTOR_H
#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;
UinputDevice(const char* name);
// 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 Keyboard Device";
// 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:
UinputKeyboard(std::initializer_list<int> keys = {});
private:
void configureDevice(int fd, uinput_user_dev* device) override;
std::set<int> mKeys;
};
// --- UinputHomeKey---
// A keyboard device that has a single HOME key.
class UinputHomeKey : public UinputKeyboard {
public:
// 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:
UinputHomeKey();
};
// A joystick device that sends a BTN_GEAR_DOWN / BTN_WHEEL key.
class UinputSteamController : public UinputKeyboard {
public:
template <class D, class... Ts>
friend std::unique_ptr<D> createUinputDevice(Ts... args);
private:
UinputSteamController();
};
// --- UinputTouchScreen ---
// A touch screen device with specific size.
class UinputTouchScreen : public UinputDevice {
public:
static constexpr const char* DEVICE_NAME = "Test Touch Screen";
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 sendPointerUp();
void sendUp();
void sendToolType(int32_t toolType);
const Point getCenterPoint();
protected:
UinputTouchScreen(const Rect* size);
private:
void configureDevice(int fd, uinput_user_dev* device) override;
const Rect mSize;
};
} // namespace android
#endif // _UI_TEST_INPUT_UINPUT_INJECTOR_H
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