sdm845-common: Replace lineagehw implementation by HIDL services

Move DisplayModeControl and SunlightEnhancement into a livedisplay
service, and TouchscreenGestures into a touch one.

Change-Id: I5f46671633a13ddc6733a47f4ea5a6515d6d6c98

touch/.clang-format

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+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

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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.
+
+cc_binary {
+    name: "lineage.touch@1.0-service.oneplus_sdm845",
+    init_rc: ["lineage.touch@1.0-service.oneplus_sdm845.rc"],
+    defaults: ["hidl_defaults"],
+    relative_install_path: "hw",
+    srcs: [
+        "TouchscreenGesture.cpp",
+        "service.cpp",
+    ],
+    shared_libs: [
+        "libbase",
+        "libbinder",
+        "libhidlbase",
+        "libhidltransport",
+        "libutils",
+        "vendor.lineage.touch@1.0",
+    ],
+}

touch/TouchscreenGesture.cpp

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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.
+ */
+
+#define LOG_TAG "TouchscreenGestureService"
+
+#include "TouchscreenGesture.h"
+#include <android-base/logging.h>
+#include <fstream>
+
+namespace vendor {
+namespace lineage {
+namespace touch {
+namespace V1_0 {
+namespace implementation {
+
+const std::map<int32_t, TouchscreenGesture::GestureInfo> TouchscreenGesture::kGestureInfoMap = {
+    {0, {251, "Two fingers down swipe", "/proc/touchpanel/double_swipe_enable"}},
+    {1, {252, "Up arrow", "/proc/touchpanel/up_arrow_enable"}},
+    {2, {254, "Right arrow", "/proc/touchpanel/right_arrow_enable"}},
+    {3, {255, "Down arrow", "/proc/touchpanel/down_arrow_enable"}},
+    {4, {253, "Left arrow", "/proc/touchpanel/left_arrow_enable"}},
+    {5, {66, "One finger up swipe", "/proc/touchpanel/up_swipe_enable"}},
+    {6, {65, "One finger right swipe", "/proc/touchpanel/right_swipe_enable"}},
+    {7, {64, "One finger down swipe", "/proc/touchpanel/down_swipe_enable"}},
+    {8, {63, "One finger left swipe", "/proc/touchpanel/left_swipe_enable"}},
+    {9, {247, "Letter M", "/proc/touchpanel/letter_m_enable"}},
+    {10, {250, "Letter O", "/proc/touchpanel/letter_o_enable"}},
+    {11, {248, "Letter S", "/proc/touchpanel/letter_s_enable"}},
+    {12, {246, "Letter W", "/proc/touchpanel/letter_w_enable"}},
+};
+
+Return<void> TouchscreenGesture::getSupportedGestures(getSupportedGestures_cb resultCb) {
+    std::vector<Gesture> gestures;
+
+    for (const auto& entry : kGestureInfoMap) {
+        gestures.push_back({entry.first, entry.second.name, entry.second.keycode});
+    }
+    resultCb(gestures);
+
+    return Void();
+}
+
+Return<bool> TouchscreenGesture::setGestureEnabled(
+    const ::vendor::lineage::touch::V1_0::Gesture& gesture, bool enabled) {
+    const auto entry = kGestureInfoMap.find(gesture.id);
+    if (entry == kGestureInfoMap.end()) {
+        return false;
+    }
+
+    std::ofstream file(entry->second.path);
+    file << (enabled ? "1" : "0");
+    LOG(DEBUG) << "Wrote file " << entry->second.path << " fail " << file.fail();
+    return !file.fail();
+}
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace touch
+}  // namespace lineage
+}  // namespace vendor

touch/TouchscreenGesture.h

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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.
+ */
+
+#ifndef VENDOR_LINEAGE_TOUCH_V1_0_TOUCHSCREENGESTURE_H
+#define VENDOR_LINEAGE_TOUCH_V1_0_TOUCHSCREENGESTURE_H
+
+#include <hidl/MQDescriptor.h>
+#include <hidl/Status.h>
+#include <vendor/lineage/touch/1.0/ITouchscreenGesture.h>
+#include <map>
+
+namespace vendor {
+namespace lineage {
+namespace touch {
+namespace V1_0 {
+namespace implementation {
+
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::sp;
+
+class TouchscreenGesture : public ITouchscreenGesture {
+  public:
+    // Methods from ::vendor::lineage::touch::V1_0::ITouchscreenGesture follow.
+    Return<void> getSupportedGestures(getSupportedGestures_cb resultCb) override;
+    Return<bool> setGestureEnabled(const ::vendor::lineage::touch::V1_0::Gesture& gesture,
+                                   bool enabled) override;
+
+  private:
+    typedef struct {
+        int32_t keycode;
+        const char* name;
+        const char* path;
+    } GestureInfo;
+    static const std::map<int32_t, GestureInfo> kGestureInfoMap;  // id -> info
+};
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace touch
+}  // namespace lineage
+}  // namespace vendor
+
+#endif  // VENDOR_LINEAGE_TOUCH_V1_0_TOUCHSCREENGESTURE_H

touch/lineage.touch@1.0-service.oneplus_sdm845.rc

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+on boot
+    chmod 0660 /proc/touchpanel/double_swipe_enable
+    chmod 0660 /proc/touchpanel/down_arrow_enable
+    chmod 0660 /proc/touchpanel/down_swipe_enable
+    chmod 0660 /proc/touchpanel/left_arrow_enable
+    chmod 0660 /proc/touchpanel/left_swipe_enable
+    chmod 0660 /proc/touchpanel/letter_m_enable
+    chmod 0660 /proc/touchpanel/letter_o_enable
+    chmod 0660 /proc/touchpanel/letter_s_enable
+    chmod 0660 /proc/touchpanel/letter_w_enable
+    chmod 0660 /proc/touchpanel/right_arrow_enable
+    chmod 0660 /proc/touchpanel/right_swipe_enable
+    chmod 0660 /proc/touchpanel/up_arrow_enable
+    chmod 0660 /proc/touchpanel/up_swipe_enable
+    chown system system /proc/touchpanel/double_swipe_enable
+    chown system system /proc/touchpanel/down_arrow_enable
+    chown system system /proc/touchpanel/down_swipe_enable
+    chown system system /proc/touchpanel/left_arrow_enable
+    chown system system /proc/touchpanel/left_swipe_enable
+    chown system system /proc/touchpanel/letter_m_enable
+    chown system system /proc/touchpanel/letter_o_enable
+    chown system system /proc/touchpanel/letter_s_enable
+    chown system system /proc/touchpanel/letter_w_enable
+    chown system system /proc/touchpanel/right_arrow_enable
+    chown system system /proc/touchpanel/right_swipe_enable
+    chown system system /proc/touchpanel/up_arrow_enable
+    chown system system /proc/touchpanel/up_swipe_enable
+
+service touch-hal-1-0 /system/bin/hw/lineage.touch@1.0-service.oneplus_sdm845
+    class hal
+    user system
+    group system

touch/service.cpp

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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.
+ */
+
+#define LOG_TAG "lineage.touch@1.0-service.oneplus_sdm845"
+
+#include <android-base/logging.h>
+#include <binder/ProcessState.h>
+#include <hidl/HidlTransportSupport.h>
+#include "TouchscreenGesture.h"
+
+using ::vendor::lineage::touch::V1_0::ITouchscreenGesture;
+using ::vendor::lineage::touch::V1_0::implementation::TouchscreenGesture;
+
+int main() {
+    android::sp<ITouchscreenGesture> gestureService = new TouchscreenGesture();
+
+    android::hardware::configureRpcThreadpool(1, true /*callerWillJoin*/);
+
+    if (gestureService->registerAsService() != android::OK) {
+        LOG(ERROR) << "Cannot register touchscreen gesture 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;
+}