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hardware_samsung/hidl/fastcharge/FastCharge.cpp

99 lines
2.4 KiB

/*
* Copyright (C) 2020-2021 The LineageOS 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.
*/
#define LOG_TAG "fastcharge@1.0-service.samsung"
#include "FastCharge.h"
#include <android-base/logging.h>
#include <cutils/properties.h>
#include <fstream>
#include <iostream>
#include "samsung_fastcharge.h"
namespace vendor {
namespace lineage {
namespace fastcharge {
namespace V1_0 {
namespace implementation {
static constexpr const char* kFastChargingProp = "persist.vendor.sec.fastchg_enabled";
/*
* Write value to path and close file.
*/
template <typename T>
static void set(const std::string& path, const T& value) {
std::ofstream file(path);
if (!file) {
PLOG(ERROR) << "Failed to open: " << path;
return;
}
LOG(DEBUG) << "write: " << path << " value: " << value;
file << value << std::endl;
if (!file) {
PLOG(ERROR) << "Failed to write: " << path << " value: " << value;
}
}
template <typename T>
static T get(const std::string& path, const T& def) {
std::ifstream file(path);
if (!file) {
PLOG(ERROR) << "Failed to open: " << path;
return def;
}
T result;
file >> result;
if (file.fail()) {
PLOG(ERROR) << "Failed to read: " << path;
return def;
} else {
LOG(DEBUG) << "read: " << path << " value: " << result;
return result;
}
}
FastCharge::FastCharge() {
setEnabled(property_get_bool(kFastChargingProp, FASTCHARGE_DEFAULT_SETTING));
}
Return<bool> FastCharge::isEnabled() {
return get(FASTCHARGE_PATH, 0) < 1;
}
Return<bool> FastCharge::setEnabled(bool enable) {
set(FASTCHARGE_PATH, enable ? 0 : 1);
bool enabled = isEnabled();
property_set(kFastChargingProp, enabled ? "true" : "false");
return enabled;
}
} // namespace implementation
} // namespace V1_0
} // namespace fastcharge
} // namespace lineage
} // namespace vendor