| /* |
| *Copyright (c) 2020, The Linux Foundation. All rights reserved. |
| */ |
| |
| /* |
| * Copyright 2018 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.android.bluetooth.vcp; |
| |
| import android.bluetooth.BluetoothDevice; |
| |
| /** |
| * Stack event sent via a callback from JNI to Java, or generated |
| * internally by the VCP State Machine. |
| */ |
| public class VcpStackEvent { |
| // Event types for STACK_EVENT message (coming from native) |
| private static final int EVENT_TYPE_NONE = 0; |
| public static final int EVENT_TYPE_CONNECTION_STATE_CHANGED = 1; |
| public static final int EVENT_TYPE_VOLUME_STATE_CHANGED = 2; |
| public static final int EVENT_TYPE_VOLUME_FLAGS_CHANGED = 3; |
| |
| // Do not modify without updating the HAL bt_vcp.h files. |
| // Match up with enum class ConnectionState of bt_vcp_controller.h. |
| static final int CONNECTION_STATE_DISCONNECTED = 0; |
| static final int CONNECTION_STATE_CONNECTING = 1; |
| static final int CONNECTION_STATE_CONNECTED = 2; |
| static final int CONNECTION_STATE_DISCONNECTING = 3; |
| |
| public int type; |
| public BluetoothDevice device; |
| public int valueInt1; |
| public int valueInt2; |
| |
| VcpStackEvent(int type) { |
| this.type = type; |
| } |
| |
| @Override |
| public String toString() { |
| // event dump |
| StringBuilder result = new StringBuilder(); |
| result.append("VcpStackEvent {type:" + eventTypeToString(type)); |
| result.append(", device:" + device); |
| result.append(", value1:" + valueInt1); |
| result.append(", value2:" + valueInt2); |
| result.append("}"); |
| return result.toString(); |
| } |
| |
| private static String eventTypeToString(int type) { |
| switch (type) { |
| case EVENT_TYPE_NONE: |
| return "EVENT_TYPE_NONE"; |
| case EVENT_TYPE_CONNECTION_STATE_CHANGED: |
| return "EVENT_TYPE_CONNECTION_STATE_CHANGED"; |
| case EVENT_TYPE_VOLUME_STATE_CHANGED: |
| return "EVENT_TYPE_VOLUME_STATE_CHANGED"; |
| case EVENT_TYPE_VOLUME_FLAGS_CHANGED: |
| return "EVENT_TYPE_VOLUME_FLAGS_CHANGED"; |
| default: |
| return "EVENT_TYPE_UNKNOWN:" + type; |
| } |
| } |
| } |
| |