Merge "Remove impl from InputClassifier HAL"

cc_binary {

    name: "android.hardware.input.classifier@1.0-service-example",

    init_rc: ["android.hardware.input.classifier@1.0-service-example.rc"],

    name: "android.hardware.input.classifier@1.0-service.default",

    init_rc: ["android.hardware.input.classifier@1.0-service.default.rc"],

    relative_install_path: "hw",

    vendor: true,

    vintf_fragments: ["manifest_input.classifier.xml"],

namespace implementation {

// Methods from ::android::hardware::input::classifier::V1_0::IInputClassifier follow.

Return<Classification> InputClassifier::classify(const MotionEvent& event) {

Return<Classification> InputClassifier::classify(const MotionEvent& /*event*/) {

    /**

     * In this example implementation, we will see how many "pixels" inside the video frame

     * exceed the value of 250. If more than 6 such pixels are present, then treat the event

     * as a "DEEP_PRESS".

     * 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.

     */

    if (event.frames.size() == 0) {

        return Classification::NONE;

    }

    ALOGI("Frame(O) timestamp = %" PRIu64 ", received %zu frame(s)", event.frames[0].timestamp,

          event.frames.size());

    for (const VideoFrame& frame : event.frames) {

        size_t count = 0;

        for (size_t i = 0; i < frame.data.size(); i++) {

            if (frame.data[i] > 250) {

                count++;

            }

        }

        if (count > 6) {

            return Classification::DEEP_PRESS;

        }

    }

    return Classification::NONE;

}

Return<void> InputClassifier::reset() {

    // We don't have any internal state in this example implementation,

    // so no work needed here.

    // 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 in this example implementation,

    // so no work needed here.

    // We don't have any internal per-device state, so no work needed here.

    return Void();

}

service vendor.input.classifier-1-0 /vendor/bin/hw/android.hardware.input.classifier@1.0-service-example

service vendor.input.classifier-1-0 /vendor/bin/hw/android.hardware.input.classifier@1.0-service.default

    # Must be specified if "disabled" is set. This HAL will only start if requested via getService

    interface android.hardware.input.classifier@1.0::IInputClassifier default

    class hal