| /* |
| * Copyright (C) 2017 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. |
| */ |
| |
| #include "BaseDynamicSensorDaemon.h" |
| #include "DynamicSensorManager.h" |
| #include "utils/Log.h" |
| |
| namespace android { |
| namespace SensorHalExt { |
| |
| bool BaseDynamicSensorDaemon::onConnectionChange(const std::string &deviceKey, bool connected) { |
| bool ret = false; |
| auto i = mDeviceKeySensorMap.find(deviceKey); |
| if (connected) { |
| if (i == mDeviceKeySensorMap.end()) { |
| ALOGV("device %s is connected", deviceKey.c_str()); |
| // get sensors from implementation |
| BaseSensorVector sensors = createSensor(deviceKey); |
| if (sensors.empty()) { |
| ALOGI("no valid sensor is defined in device %s, ignore", deviceKey.c_str()); |
| } else { |
| ALOGV("discovered %zu sensors from device", sensors.size()); |
| // build internal table first |
| auto result = mDeviceKeySensorMap.emplace(deviceKey, std::move(sensors)); |
| // then register sensor to dynamic sensor manager, result.first is the iterator |
| // of key-value pair; result.first->second is the value, which is s. |
| for (auto &i : result.first->second) { |
| mManager.registerSensor(i); |
| } |
| ALOGV("device %s is registered", deviceKey.c_str()); |
| ret = true; |
| } |
| } else { |
| ALOGD("device %s already added and is connected again, ignore", deviceKey.c_str()); |
| } |
| } else { |
| ALOGV("device %s is disconnected", deviceKey.c_str()); |
| if (i != mDeviceKeySensorMap.end()) { |
| BaseSensorVector sensors = i->second; |
| for (auto &sensor : sensors) { |
| mManager.unregisterSensor(sensor); |
| } |
| mDeviceKeySensorMap.erase(i); |
| // notify implementation |
| removeSensor(deviceKey); |
| ALOGV("device %s is unregistered", deviceKey.c_str()); |
| ret = true; |
| } else { |
| ALOGV("device not found in registry"); |
| } |
| } |
| |
| return ret; |
| } |
| } // namespace SensorHalExt |
| } // namespace android |
| |