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+/*
+ * Copyright (C) 2019 The Android Open Source 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 "InputClassifierHAL"
+
+#include "InputClassifier.h"
+#include <inttypes.h>
+#include <log/log.h>
+#include <utils/Timers.h>
+
+using namespace android::hardware::input::common::V1_0;
+
+namespace android {
+namespace hardware {
+namespace input {
+namespace classifier {
+namespace V1_0 {
+namespace implementation {
+
+// Methods from ::android::hardware::input::classifier::V1_0::IInputClassifier follow.
+Return<Classification> InputClassifier::classify(const MotionEvent& /*event*/) {
+ /**
+ * The touchscreen data is highly device-dependent.
+ * As a result, the implementation of this method will likely be hardware-specific.
+ * Here we just report gesture as not having any classification, which means that the
+ * default action will be taken in the framework.
+ * This is equivalent to not having the InputClassifier HAL at all.
+ */
+ return Classification::NONE;
+}
+
+Return<void> InputClassifier::reset() {
+ // We don't have any internal state, so no work needed here.
+ return Void();
+}
+
+Return<void> InputClassifier::resetDevice(int32_t /*deviceId*/) {
+ // We don't have any internal per-device state, so no work needed here.
+ return Void();
+}
+
+} // namespace implementation
+} // namespace V1_0
+} // namespace classifier
+} // namespace input
+} // namespace hardware
+} // namespace android