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touch: Migrate to AIDL

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Change-Id: If44efbab6ad53701a662788daecfd7678935e8b4
This commit is contained in:
Bruno Martins
2025-06-07 13:55:47 +01:00
parent 4d7a952308
commit 064c24617e
11 changed files with 127 additions and 136 deletions
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27
aidl/touch/Android.bp Normal file
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//
// SPDX-FileCopyrightText: 2025 The LineageOS Project
// SPDX-License-Identifier: Apache-2.0
//
cc_binary {
name: "vendor.lineage.touch-service.xiaomi",
vintf_fragments: ["vendor.lineage.touch-service.xiaomi.xml"],
init_rc: ["vendor.lineage.touch-service.xiaomi.rc"],
relative_install_path: "hw",
proprietary: true,
cppflags: select(soong_config_variable("XIAOMI_TOUCH", "HIGH_TOUCH_POLLING_PATH"), {
any @ flag_val: ["-DHTPR_CONTROL_PATH=\"" + flag_val + "\""],
default: [],
}),
srcs: [
"HighTouchPollingRate.cpp",
"service.cpp",
],
shared_libs: [
"libbase",
"libbinder_ndk",
"liblog",
"libutils",
"vendor.lineage.touch-V1-ndk",
],
}

46
aidl/touch/HighTouchPollingRate.cpp Normal file
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/*
* SPDX-FileCopyrightText: 2025 The LineageOS Project
* SPDX-License-Identifier: Apache-2.0
*/
#define LOG_TAG "vendor.lineage.touch-service.xiaomi"
#include "HighTouchPollingRate.h"
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/strings.h>
using ::android::base::ReadFileToString;
using ::android::base::Trim;
using ::android::base::WriteStringToFile;
namespace aidl {
namespace vendor {
namespace lineage {
namespace touch {
ndk::ScopedAStatus HighTouchPollingRate::getEnabled(bool* _aidl_return) {
std::string buf;
if (!ReadFileToString(HTPR_CONTROL_PATH, &buf)) {
LOG(ERROR) << "Failed to read current HighTouchPollingRate state";
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
*_aidl_return = Trim(buf) == "1";
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus HighTouchPollingRate::setEnabled(bool enabled) {
if (!WriteStringToFile(enabled ? "1" : "0", HTPR_CONTROL_PATH)) {
LOG(ERROR) << "Failed to write HighTouchPollingRate state";
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
return ndk::ScopedAStatus::ok();
}
} // namespace touch
} // namespace lineage
} // namespace vendor
} // namespace aidl

24
aidl/touch/HighTouchPollingRate.h Normal file
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/*
* SPDX-FileCopyrightText: 2025 The LineageOS Project
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <aidl/vendor/lineage/touch/BnHighTouchPollingRate.h>
namespace aidl {
namespace vendor {
namespace lineage {
namespace touch {
class HighTouchPollingRate : public BnHighTouchPollingRate {
public:
ndk::ScopedAStatus getEnabled(bool* _aidl_return) override;
ndk::ScopedAStatus setEnabled(bool enabled) override;
};
} // namespace touch
} // namespace lineage
} // namespace vendor
} // namespace aidl

24
aidl/touch/service.cpp Normal file
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/*
* SPDX-FileCopyrightText: 2025 The LineageOS Project
* SPDX-License-Identifier: Apache-2.0
*/
#include "HighTouchPollingRate.h"
#include <android-base/logging.h>
#include <android/binder_manager.h>
#include <android/binder_process.h>
using aidl::vendor::lineage::touch::HighTouchPollingRate;
int main() {
ABinderProcess_setThreadPoolMaxThreadCount(0);
std::shared_ptr<HighTouchPollingRate> htpr = ndk::SharedRefBase::make<HighTouchPollingRate>();
const std::string instance = std::string(HighTouchPollingRate::descriptor) + "/default";
binder_status_t status = AServiceManager_addService(htpr->asBinder().get(), instance.c_str());
CHECK_EQ(status, STATUS_OK);
ABinderProcess_joinThreadPool();
return EXIT_FAILURE; // should not reach
}

4
aidl/touch/vendor.lineage.touch-service.xiaomi.rc Normal file
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service vendor.touch-hal /vendor/bin/hw/vendor.lineage.touch-service.xiaomi
class hal
user system
group system

5
hidl/touch/vendor.lineage.touch@1.0-service.xiaomi.xml → aidl/touch/vendor.lineage.touch-service.xiaomi.xml
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@@ -1,8 +1,7 @@
<manifest version="1.0" type="device">
<hal format="hidl">
<hal format="aidl">
<name>vendor.lineage.touch</name>
<transport>hwbinder</transport>
<version>1.0</version>
<version>1</version>
<interface>
<name>IHighTouchPollingRate</name>
<instance>default</instance>

28
hidl/touch/Android.bp
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@@ -1,28 +0,0 @@
//
// SPDX-FileCopyrightText: 2022-2025 The LineageOS Project
// SPDX-License-Identifier: Apache-2.0
//
cc_binary {
name: "vendor.lineage.touch@1.0-service.xiaomi",
defaults: ["hidl_defaults"],
vintf_fragments: ["vendor.lineage.touch@1.0-service.xiaomi.xml"],
init_rc: ["vendor.lineage.touch@1.0-service.xiaomi.rc"],
relative_install_path: "hw",
proprietary: true,
cppflags: select(soong_config_variable("XIAOMI_TOUCH", "HIGH_TOUCH_POLLING_PATH"), {
any @ flag_val: ["-DHIGH_TOUCH_POLLING_PATH=\"" + flag_val + "\""],
default: [],
}),
srcs: [
"HighTouchPollingRate.cpp",
"service.cpp",
],
shared_libs: [
"libbase",
"libbinder",
"libhidlbase",
"libutils",
"vendor.lineage.touch@1.0",
],
}

37
hidl/touch/HighTouchPollingRate.cpp
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@@ -1,37 +0,0 @@
/*
* Copyright (C) 2022 The LineageOS Project
*
* SPDX-License-Identifier: Apache-2.0
*/
#define LOG_TAG "HighTouchPollingRateService"
#include "HighTouchPollingRate.h"
#include <fstream>
namespace vendor {
namespace lineage {
namespace touch {
namespace V1_0 {
namespace implementation {
Return<bool> HighTouchPollingRate::isEnabled() {
std::ifstream file(HIGH_TOUCH_POLLING_PATH);
int enabled;
file >> enabled;
return enabled == 1;
}
Return<bool> HighTouchPollingRate::setEnabled(bool enabled) {
std::ofstream file(HIGH_TOUCH_POLLING_PATH);
file << (enabled ? "1" : "0");
return !file.fail();
}
} // namespace implementation
} // namespace V1_0
} // namespace touch
} // namespace lineage
} // namespace vendor

30
hidl/touch/HighTouchPollingRate.h
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@@ -1,30 +0,0 @@
/*
* Copyright (C) 2022 The LineageOS Project
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <vendor/lineage/touch/1.0/IHighTouchPollingRate.h>
namespace vendor {
namespace lineage {
namespace touch {
namespace V1_0 {
namespace implementation {
using ::android::hardware::Return;
class HighTouchPollingRate : public IHighTouchPollingRate {
public:
// Methods from ::vendor::lineage::touch::V1_0::IHighTouchPollingRate follow.
Return<bool> isEnabled() override;
Return<bool> setEnabled(bool enabled) override;
};
} // namespace implementation
} // namespace V1_0
} // namespace touch
} // namespace lineage
} // namespace vendor

33
hidl/touch/service.cpp
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@@ -1,33 +0,0 @@
/*
* Copyright (C) 2022 The LineageOS Project
*
* SPDX-License-Identifier: Apache-2.0
*/
#define LOG_TAG "lineage.touch@1.0-service.xiaomi"
#include <android-base/logging.h>
#include <hidl/HidlTransportSupport.h>
#include "HighTouchPollingRate.h"
using ::vendor::lineage::touch::V1_0::IHighTouchPollingRate;
using ::vendor::lineage::touch::V1_0::implementation::HighTouchPollingRate;
int main() {
android::sp<IHighTouchPollingRate> highTouchPollingRate = new HighTouchPollingRate();
android::hardware::configureRpcThreadpool(1, true);
if (highTouchPollingRate->registerAsService() != android::OK) {
LOG(ERROR) << "Cannot register touchscreen high polling rate HAL service.";
return 1;
}
LOG(INFO) << "Touchscreen HAL service ready.";
android::hardware::joinRpcThreadpool();
LOG(ERROR) << "Touchscreen HAL service failed to join thread pool.";
return 1;
}

5
hidl/touch/vendor.lineage.touch@1.0-service.xiaomi.rc
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@@ -1,5 +0,0 @@
service vendor.touch-hal-1-0 /vendor/bin/hw/vendor.lineage.touch@1.0-service.xiaomi
interface vendor.lineage.touch@1.0::IHighTouchPollingRate default
class hal
user system
group system