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/*
* Copyright (C) 2019 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.
*/
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/strings.h>
#include "GloveMode.h"
namespace vendor {
namespace lineage {
namespace touch {
namespace V1_0 {
namespace implementation {
constexpr const char kGlovePathClearpad[] = "/sys/devices/virtual/input/clearpad/glove";
constexpr const char kGlovePathMax1187x[] = "/sys/devices/virtual/input/max1187x/glove";
GloveMode::GloveMode() {
mHasGloveMode = false;
if (!access(kGlovePathClearpad, F_OK)) {
LOG(INFO) << "Detected clearpad touchscreen.";
mHasGloveMode = true;
mGloveSysfsPath = kGlovePathClearpad;
} else if (!access(kGlovePathMax1187x, F_OK)) {
LOG(INFO) << "Detected max1187x touchscreen.";
mHasGloveMode = true;
mGloveSysfsPath = kGlovePathMax1187x;
}
}
// Methods from ::vendor::lineage::touch::V1_0::IGloveMode follow.
Return<bool> GloveMode::isEnabled() {
std::string buf;
if (!mHasGloveMode) return false;
if (!android::base::ReadFileToString(mGloveSysfsPath, &buf)) {
LOG(ERROR) << "Failed to read " << mGloveSysfsPath;
return false;
}
return std::stoi(android::base::Trim(buf)) == 0;
}
Return<bool> GloveMode::setEnabled(bool enabled) {
if (!mHasGloveMode) return false;
if (!android::base::WriteStringToFile((enabled ? "1" : "0"), mGloveSysfsPath)) {
LOG(ERROR) << "Failed to write " << mGloveSysfsPath;
return false;
}
return true;
}
} // namespace implementation
} // namespace V1_0
} // namespace touch
} // namespace lineage
} // namespace vendor
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