* Copyright (c) 2020-2021 Huawei Device Co., Ltd.
* 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.
*/
#include "dfx/event_injector.h"
#if ENABLE_DEBUG
#include "common/input_device_manager.h"
#include "dfx/key_event_injector.h"
#include "dfx/point_event_injector.h"
#include "gfx_utils/graphic_log.h"
namespace OHOS {
EventInjector::~EventInjector()
{
InputDeviceManager* inputDeviceManager = InputDeviceManager::GetInstance();
if (pointEventInjector_ != nullptr) {
inputDeviceManager->Remove(pointEventInjector_);
delete pointEventInjector_;
pointEventInjector_ = nullptr;
}
if (keyEventInjector_ != nullptr) {
inputDeviceManager->Remove(keyEventInjector_);
delete keyEventInjector_;
keyEventInjector_ = nullptr;
}
}
EventInjector* EventInjector::GetInstance()
{
static EventInjector instance;
return &instance;
}
bool EventInjector::RegisterEventInjector(EventDataType type)
{
switch (type) {
case EventDataType::POINT_TYPE:
if (pointEventInjector_ == nullptr) {
pointEventInjector_ = new PointEventInjector();
if (pointEventInjector_ == nullptr) {
GRAPHIC_LOGE("EventInjector::RegisterEventInjector register pointEventInjector failed Err!\n");
return false;
}
InputDeviceManager::GetInstance()->Add(pointEventInjector_);
}
return true;
case EventDataType::KEY_TYPE:
if (keyEventInjector_ == nullptr) {
keyEventInjector_ = new KeyEventInjector();
if (keyEventInjector_ == nullptr) {
GRAPHIC_LOGE("EventInjector::RegisterEventInjector register keyEventInjector failed Err!\n");
return false;
}
InputDeviceManager::GetInstance()->Add(keyEventInjector_);
}
return true;
default:
break;
}
return false;
}
void EventInjector::UnregisterEventInjector(EventDataType type)
{
switch (type) {
case EventDataType::POINT_TYPE:
if (pointEventInjector_ != nullptr) {
InputDeviceManager::GetInstance()->Remove(pointEventInjector_);
delete pointEventInjector_;
pointEventInjector_ = nullptr;
}
break;
case EventDataType::KEY_TYPE:
if (keyEventInjector_ != nullptr) {
InputDeviceManager::GetInstance()->Remove(keyEventInjector_);
delete keyEventInjector_;
keyEventInjector_ = nullptr;
}
break;
default:
break;
}
}
bool EventInjector::IsEventInjectorRegistered(EventDataType type) const
{
switch (type) {
case EventDataType::POINT_TYPE:
if (pointEventInjector_ != nullptr) {
return true;
}
break;
case EventDataType::KEY_TYPE:
if (keyEventInjector_ != nullptr) {
return true;
}
break;
default:
break;
}
return false;
}
bool EventInjector::SetInjectEvent(const DeviceData* dataArray, uint16_t arrayLength, EventDataType type)
{
if (dataArray == nullptr) {
return false;
}
switch (type) {
case EventDataType::POINT_TYPE:
if (pointEventInjector_ == nullptr) {
return false;
}
for (uint16_t i = 0; i < arrayLength; i++) {
if (!pointEventInjector_->SetPointEvent(dataArray[i])) {
return false;
}
}
break;
case EventDataType::KEY_TYPE:
if (keyEventInjector_ == nullptr) {
return false;
}
for (uint16_t i = 0; i < arrayLength; i++) {
if (!keyEventInjector_->SetKey(dataArray[i])) {
return false;
}
}
break;
default:
return false;
}
return true;
}
bool EventInjector::SetClickEvent(const Point& clickPoint)
{
uint16_t clickArrayLen = 2;
if (clickArrayLen > pointEventInjector_->GetLeftSize()) {
GRAPHIC_LOGE("front points need to be read.(left size in pointer queue is not enough)");
return false;
}
bool setResult = true;
DeviceData* dataArray = new DeviceData[clickArrayLen];
if (dataArray == nullptr) {
return false;
}
dataArray[0].point = clickPoint;
dataArray[0].state = InputDevice::STATE_PRESS;
dataArray[1].point = clickPoint;
dataArray[1].state = InputDevice::STATE_RELEASE;
if (!SetInjectEvent(dataArray, clickArrayLen, EventDataType::POINT_TYPE)) {
setResult = false;
}
delete[] dataArray;
return setResult;
}
bool EventInjector::SetLongPressEvent(const Point& longPressPoint)
{
uint16_t pointCount = INDEV_LONG_PRESS_TIME / INDEV_READ_PERIOD + 1;
if (pointCount > pointEventInjector_->GetLeftSize()) {
GRAPHIC_LOGE("front points need to be read.(left size in pointer queue is not enough)");
return false;
}
bool setResult = true;
DeviceData* dataArray = new DeviceData[pointCount];
if (dataArray == nullptr) {
return false;
}
for (uint16_t i = 0; i < pointCount; i++) {
dataArray[i].point = longPressPoint;
dataArray[i].state = InputDevice::STATE_PRESS;
}
dataArray[pointCount - 1].state = InputDevice::STATE_RELEASE;
if (!SetInjectEvent(dataArray, pointCount, EventDataType::POINT_TYPE)) {
setResult = false;
}
delete[] dataArray;
return setResult;
}
bool EventInjector::SetDragEvent(const Point& startPoint, const Point& endPoint, uint32_t dragTime)
{
uint16_t pointCount = (dragTime / INDEV_READ_PERIOD) + 1;
if (pointCount < 3) {
GRAPHIC_LOGE("dragTime is too short.(drag event needs at least 3 points)");
return false;
}
if (pointCount > pointEventInjector_->GetLeftSize()) {
GRAPHIC_LOGE("dragTime is too long or front points need to be read.(left size in pointer queue is not enough)");
return false;
}
bool setResult = true;
int16_t negativeFlag = 1;
DeviceData* dataArray = new DeviceData[pointCount];
if (dataArray == nullptr) {
return false;
}
if (startPoint.x == endPoint.x) {
float pointStep = static_cast<float>(MATH_ABS(endPoint.y - startPoint.y)) / (pointCount - 1);
if (endPoint.y < startPoint.y) {
negativeFlag = -1;
}
for (uint16_t i = 0; i < pointCount; i++) {
dataArray[i].point.x = startPoint.x;
dataArray[i].point.y = startPoint.y + static_cast<int16_t>(i * negativeFlag * pointStep);
dataArray[i].state = InputDevice::STATE_PRESS;
}
} else {
float slope = static_cast<float>(endPoint.y - startPoint.y) / (endPoint.x - startPoint.x);
int16_t constPara = startPoint.y - static_cast<int16_t>(slope * startPoint.x);
float pointStep = static_cast<float>(MATH_ABS(endPoint.x - startPoint.x)) / (pointCount - 1);
if (endPoint.x < startPoint.x) {
negativeFlag = -1;
}
for (uint16_t i = 0; i < pointCount; i++) {
dataArray[i].point.x = startPoint.x + static_cast<int16_t>(i * negativeFlag * pointStep);
dataArray[i].point.y = static_cast<int16_t>(slope * (dataArray[i].point.x)) + constPara;
dataArray[i].state = InputDevice::STATE_PRESS;
}
}
dataArray[pointCount - 1].point = endPoint;
dataArray[pointCount - 1].state = InputDevice::STATE_RELEASE;
if (!SetInjectEvent(dataArray, pointCount, EventDataType::POINT_TYPE)) {
setResult = false;
}
delete[] dataArray;
return setResult;
}
bool EventInjector::SetKeyEvent(uint16_t keyId, uint16_t state)
{
uint16_t kevArrayLen = 1;
if (kevArrayLen > keyEventInjector_->GetLeftSize()) {
GRAPHIC_LOGE("front key event need to be read.(left size in key event queue is not enough)");
return false;
}
bool setResult = true;
DeviceData* dataArray = new DeviceData[kevArrayLen];
if (dataArray == nullptr) {
return false;
}
for (uint16_t i = 0; i < kevArrayLen; i++) {
dataArray[i].keyId = keyId;
dataArray[i].state = state;
}
if (!SetInjectEvent(dataArray, kevArrayLen, EventDataType::KEY_TYPE)) {
setResult = false;
}
delete[] dataArray;
return setResult;
}
#if ENABLE_WINDOW
void EventInjector::SetWindowId(uint8_t windowId)
{
if (pointEventInjector_ != nullptr) {
pointEventInjector_->SetWindowId(windowId);
}
}
#endif
}
#endif