libs/connecteddevice/src/com/google/android/connecteddevice/api/IDeviceCallback.aidl

/*
 * Copyright (C) 2020 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.
 */

package com.google.android.connecteddevice.api;

import com.google.android.connecteddevice.model.ConnectedDevice;
import com.google.android.connecteddevice.model.DeviceMessage;

/**
 * Triggered companionDevice events for a connected companionDevice.
 *
 * Only make additive changes to maintain backward compatibility.
 * The added function needs to be assigned the transaction value noted below,
 * and the value needs to be appropriately incremented.
 *
 * Next transaction value: 3
 */
oneway interface IDeviceCallback {
    /**
     * Triggered when secure channel has been established on a companionDevice. Encrypted messaging
     * now available.
     */
    void onSecureChannelEstablished(in ConnectedDevice connectedDevice) = 0;

    /** Triggered when a new message is received from a connectedDevice. */
    void onMessageReceived(in ConnectedDevice connectedDevice,
            in DeviceMessage message) = 1;

    /** Triggered when an error has occurred for a connectedDevice. */
    void onDeviceError(in ConnectedDevice connectedDevice, int error) = 2;
}