* Copyright (c) 2021-2025 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 "input_device_impl.h"
#include "multimodal_input_connect_manager.h"
#include "bytrace_adapter.h"
#include "mmi_log.h"
#undef MMI_LOG_TAG
#define MMI_LOG_TAG "InputDeviceImpl"
namespace OHOS {
namespace MMI {
namespace {
constexpr std::string_view INPUT_DEV_CHANGE_ADD_DEV { "add" };
constexpr std::string_view INPUT_DEV_CHANGE_REMOVE_DEV { "remove" };
}
InputDeviceImpl& InputDeviceImpl::GetInstance()
{
static InputDeviceImpl instance;
return instance;
}
int32_t InputDeviceImpl::RegisterDevListener(const std::string &type, InputDevListenerPtr listener)
{
CHKPR(listener, RET_ERR);
MMI_HILOGI("Register listener of change of input devices");
bool needStartServer = false;
{
std::lock_guard<std::mutex> guard(devListenerMutex_);
auto iter = devListener_.find(type);
if (iter == devListener_.end()) {
MMI_HILOGE("Type of listener (%{public}s) is not supported", type.c_str());
return RET_ERR;
}
auto &listeners = iter->second;
bool isNew = std::all_of(listeners.cbegin(), listeners.cend(),
[listener](InputDevListenerPtr tListener) {
return (tListener != listener);
});
if (isNew) {
listeners.push_back(listener);
needStartServer = listeners.size();
}
}
if (needStartServer) {
auto ret = StartListeningToServer();
if (ret != RET_OK) {
MMI_HILOGE("StartListeningToServer fail, error:%{public}d", ret);
std::lock_guard<std::mutex> guard(devListenerMutex_);
auto iter = devListener_.find(type);
if (iter != devListener_.end()) {
iter->second.remove(listener);
}
return ret;
}
}
MMI_HILOGI("Succeed to register listener of change of input devices");
return RET_OK;
}
int32_t InputDeviceImpl::UnregisterDevListener(const std::string &type, InputDevListenerPtr listener)
{
bool needStopServer = false;
{
std::lock_guard<std::mutex> guard(devListenerMutex_);
auto iter = devListener_.find(type);
if (iter == devListener_.end()) {
MMI_HILOGE("Type of listener (%{public}s) is not supported", type.c_str());
return RET_ERR;
}
auto &listeners = iter->second;
if (listener == nullptr) {
MMI_HILOGI("Unregister all listeners of change of input devices");
needStopServer = !listeners.empty();
listeners.clear();
} else {
MMI_HILOGI("Unregister listener of change of input devices");
size_t oldSize = listeners.size();
listeners.remove_if([listener](const auto &item) {
return (item == listener);
});
needStopServer = (oldSize > 0) && listeners.empty();
}
}
if (needStopServer) {
StopListeningToServer();
}
return RET_OK;
}
void InputDeviceImpl::OnDevListener(int32_t deviceId, const std::string &type)
{
CALL_DEBUG_ENTER;
int32_t keyboardType = 0;
MULTIMODAL_INPUT_CONNECT_MGR->GetKeyboardType(deviceId, keyboardType);
MMI_HILOGI("Change(%{public}s) of input device(%{public}d), keyboardType:%{public}d",
type.c_str(), deviceId, keyboardType);
std::vector<InputDevListenerPtr> listenersToNotify;
{
std::lock_guard<std::mutex> guard(devListenerMutex_);
auto iter = devListener_.find(CHANGED_TYPE);
if (iter == devListener_.end()) {
MMI_HILOGE("Find change failed");
return;
}
listenersToNotify.assign(iter->second.begin(), iter->second.end());
}
BytraceAdapter::StartDevListener(type, deviceId);
for (const auto &item : listenersToNotify) {
if (type == INPUT_DEV_CHANGE_ADD_DEV) {
item->OnDeviceAdded(deviceId, type);
} else if (type == INPUT_DEV_CHANGE_REMOVE_DEV) {
item->OnDeviceRemoved(deviceId, type);
}
}
BytraceAdapter::StopDevListener();
}
int32_t InputDeviceImpl::GetInputDeviceIds(FunInputDevIds callback)
{
CALL_DEBUG_ENTER;
CHKPR(callback, RET_ERR);
std::vector<int32_t> ids;
if (MULTIMODAL_INPUT_CONNECT_MGR->GetDeviceIds(ids) != RET_OK) {
MMI_HILOGE("GetInputDeviceIds failed");
return RET_ERR;
}
callback(ids);
return RET_OK;
}
int32_t InputDeviceImpl::GetInputDevice(int32_t deviceId, FunInputDevInfo callback)
{
CALL_DEBUG_ENTER;
CHKPR(callback, RET_ERR);
std::shared_ptr<InputDevice> inputDevice = std::make_shared<InputDevice>();
if (MULTIMODAL_INPUT_CONNECT_MGR->GetDevice(deviceId, inputDevice) != RET_OK) {
MMI_HILOGE("GetDevice failed");
return RET_ERR;
}
callback(inputDevice);
return RET_OK;
}
int32_t InputDeviceImpl::SupportKeys(int32_t deviceId, std::vector<int32_t> keyCodes, FunInputDevKeys callback)
{
CALL_DEBUG_ENTER;
CHKPR(callback, RET_ERR);
std::vector<bool> keystroke;
if (MULTIMODAL_INPUT_CONNECT_MGR->SupportKeys(deviceId, keyCodes, keystroke) != RET_OK) {
MMI_HILOGE("SupportKeys failed");
return RET_ERR;
}
callback(keystroke);
return RET_OK;
}
int32_t InputDeviceImpl::GetKeyboardType(int32_t deviceId, FunKeyboardTypes callback)
{
CALL_DEBUG_ENTER;
CHKPR(callback, RET_ERR);
int32_t keyboardType = 0;
if (MULTIMODAL_INPUT_CONNECT_MGR->GetKeyboardType(deviceId, keyboardType) != RET_OK) {
MMI_HILOGE("GetKeyboardType failed");
return RET_ERR;
}
callback(keyboardType);
return RET_OK;
}
int32_t InputDeviceImpl::SetKeyboardRepeatDelay(int32_t delay)
{
CALL_DEBUG_ENTER;
if (MULTIMODAL_INPUT_CONNECT_MGR->SetKeyboardRepeatDelay(delay) != RET_OK) {
MMI_HILOGE("SetKeyboardRepeatDelay failed");
return RET_ERR;
}
return RET_OK;
}
int32_t InputDeviceImpl::SetKeyboardRepeatRate(int32_t rate)
{
CALL_DEBUG_ENTER;
if (MULTIMODAL_INPUT_CONNECT_MGR->SetKeyboardRepeatRate(rate) != RET_OK) {
MMI_HILOGE("SetKeyboardRepeatRate failed");
return RET_ERR;
}
return RET_OK;
}
int32_t InputDeviceImpl::GetKeyboardRepeatDelay(std::function<void(int32_t)> callback)
{
CALL_DEBUG_ENTER;
CHKPR(callback, RET_ERR);
int32_t repeatDelay = 0;
if (MULTIMODAL_INPUT_CONNECT_MGR->GetKeyboardRepeatDelay(repeatDelay) != RET_OK) {
MMI_HILOGE("GetKeyboardRepeatDelay failed");
return RET_ERR;
}
callback(repeatDelay);
return RET_OK;
}
int32_t InputDeviceImpl::GetKeyboardRepeatRate(std::function<void(int32_t)> callback)
{
CALL_DEBUG_ENTER;
int32_t repeatRate = 0;
if (MULTIMODAL_INPUT_CONNECT_MGR->GetKeyboardRepeatRate(repeatRate) != RET_OK) {
MMI_HILOGE("GetKeyboardRepeatRate failed");
return RET_ERR;
}
callback(repeatRate);
return RET_OK;
}
int32_t InputDeviceImpl::GetUserData()
{
return userData_;
}
int32_t InputDeviceImpl::RegisterInputdevice(int32_t deviceId, bool enable, std::function<void(int32_t)> callback)
{
CALL_DEBUG_ENTER;
CHKPR(callback, RET_ERR);
int32_t _id;
{
std::lock_guard<std::mutex> guard(inputDeviceMutex_);
_id = operationIndex_++;
inputdeviceList_[_id] = callback;
}
int32_t ret = MULTIMODAL_INPUT_CONNECT_MGR->SetInputDeviceEnabled(deviceId, enable, _id);
if (ret != RET_OK) {
MMI_HILOGE("Failed to register");
return ret;
}
return RET_OK;
}
void InputDeviceImpl::OnSetInputDeviceAck(int32_t index, int32_t result)
{
CALL_DEBUG_ENTER;
std::function<void(int32_t)> callback;
{
std::lock_guard<std::mutex> guard(inputDeviceMutex_);
auto iter = inputdeviceList_.find(index);
if (iter == inputdeviceList_.end()) {
MMI_HILOGE("Find index failed");
return;
}
callback = std::move(iter->second);
inputdeviceList_.erase(iter);
}
callback(result);
}
void InputDeviceImpl::OnConnected()
{
bool shouldStartServer = false;
{
std::lock_guard<std::mutex> guard(devListenerMutex_);
auto iter = devListener_.find(CHANGED_TYPE);
shouldStartServer = (iter != devListener_.end()) && !iter->second.empty();
}
if (!shouldStartServer) {
return;
}
auto ret = StartListeningToServer();
if (ret != RET_OK) {
MMI_HILOGE("StartListeningToServer fail, error:%{public}d", ret);
}
}
void InputDeviceImpl::OnDisconnected()
{
MMI_HILOGI("Disconnected from server");
isListeningProcess_.store(false);
}
int32_t InputDeviceImpl::StartListeningToServer()
{
if (isListeningProcess_.load()) {
return RET_OK;
}
MMI_HILOGI("Start monitoring changes of input devices");
int32_t ret = MULTIMODAL_INPUT_CONNECT_MGR->RegisterDevListener();
if (ret != RET_OK) {
MMI_HILOGE("RegisterDevListener to server fail, error:%{public}d", ret);
return ret;
}
isListeningProcess_.store(true);
return RET_OK;
}
void InputDeviceImpl::StopListeningToServer()
{
if (!isListeningProcess_.load()) {
return;
}
MMI_HILOGI("Stop monitoring changes of input devices");
auto ret = MULTIMODAL_INPUT_CONNECT_MGR->UnregisterDevListener();
if (ret != RET_OK) {
MMI_HILOGE("UnregisterDevListener from server fail, error:%{public}d", ret);
}
isListeningProcess_.store(false);
}
}
}
