pstar: add lineage touch hal: GloveMode

device.mk

@@ -58,6 +58,10 @@ $(foreach f,$(wildcard $(LOCAL_PATH)/rootdir/etc/init/*.rc),\
 $(foreach f,$(wildcard $(LOCAL_PATH)/rootdir/bin/*.sh),\
         $(eval PRODUCT_COPY_FILES += $(f):$(TARGET_COPY_OUT_VENDOR)/bin/$(notdir $f)))
 
+# Lineage Touch
+PRODUCT_PACKAGES += \
+    vendor.lineage.touch@1.0-service.pstar
+
 # Media
 PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/media/media_profiles_kona.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_profiles_kona.xml \

touch/.clang-format

@@ -0,0 +1,11 @@
+BasedOnStyle: Google
+AccessModifierOffset: -2
+AllowShortFunctionsOnASingleLine: Inline
+ColumnLimit: 100
+CommentPragmas: NOLINT:.*
+DerivePointerAlignment: false
+IndentWidth: 4
+PointerAlignment: Left
+TabWidth: 4
+UseTab: Never
+PenaltyExcessCharacter: 32

touch/Android.bp

@@ -0,0 +1,34 @@
+//
+// Copyright (C) 2020 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.
+
+cc_binary {
+    name: "vendor.lineage.touch@1.0-service.pstar",
+    vintf_fragments: ["vendor.lineage.touch@1.0-service.pstar.xml"],
+    init_rc: ["vendor.lineage.touch@1.0-service.pstar.rc"],
+    defaults: ["hidl_defaults"],
+    relative_install_path: "hw",
+    proprietary: true,
+    srcs: [
+        "GloveMode.cpp",
+        "service.cpp",
+    ],
+    shared_libs: [
+        "libbase",
+        "libbinder",
+        "libhidlbase",
+        "libutils",
+        "vendor.lineage.touch@1.0",
+    ],
+}

touch/GloveMode.cpp

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2020 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 "GloveModeService"
+
+#include "GloveMode.h"
+
+#include <fstream>
+
+namespace vendor {
+namespace lineage {
+namespace touch {
+namespace V1_0 {
+namespace implementation {
+
+const std::string kInterpolationPath = "/sys/class/touchscreen/primary/interpolation";
+
+Return<bool> GloveMode::isEnabled() {
+    std::ifstream file(kInterpolationPath);
+    int enabled;
+    file >> enabled;
+
+    if(enabled == 1)
+        return true;
+
+    return false;
+}
+
+Return<bool> GloveMode::setEnabled(bool enabled) {
+    std::ofstream file(kInterpolationPath);
+    file << (enabled ? "1" : "0");
+    return !file.fail();
+}
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace touch
+}  // namespace lineage
+}  // namespace vendor

touch/GloveMode.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#pragma once
+
+#include <vendor/lineage/touch/1.0/IGloveMode.h>
+
+namespace vendor {
+namespace lineage {
+namespace touch {
+namespace V1_0 {
+namespace implementation {
+
+using ::android::hardware::Return;
+
+class GloveMode : public IGloveMode {
+  public:
+    // Methods from ::vendor::lineage::touch::V1_0::IGloveMode follow.
+    Return<bool> isEnabled() override;
+    Return<bool> setEnabled(bool enabled) override;
+};
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace touch
+}  // namespace lineage
+}  // namespace vendor

touch/service.cpp

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2020 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 "lineage.touch@1.0-service.pstar"
+
+#include <android-base/logging.h>
+#include <hidl/HidlTransportSupport.h>
+
+#include "GloveMode.h"
+
+using ::vendor::lineage::touch::V1_0::IGloveMode;
+using ::vendor::lineage::touch::V1_0::implementation::GloveMode;
+
+int main() {
+    android::sp<IGloveMode> gloveMode = new GloveMode();
+
+    android::hardware::configureRpcThreadpool(1, true /*callerWillJoin*/);
+
+    if (gloveMode->registerAsService() != android::OK) {
+        LOG(ERROR) << "Cannot register touchscreen glove 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;
+}

touch/vendor.lineage.touch@1.0-service.pstar.rc

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

touch/vendor.lineage.touch@1.0-service.pstar.xml

@@ -0,0 +1,11 @@
+<manifest version="1.0" type="device">
+    <hal format="hidl" optional="true">
+        <name>vendor.lineage.touch</name>
+        <transport>hwbinder</transport>
+        <version>1.0</version>
+        <interface>
+            <name>IGloveMode</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+</manifest>