1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17//#define LOG_NDEBUG 0
18#define LOG_TAG "HotplugThread"
19
20#include <log/log.h>
21
22#include "HotplugThread.h"
23
24namespace usb_camera_hal {
25
26HotplugThread::HotplugThread(CameraHAL *hal)
27    : mModule(hal) {
28
29}
30
31HotplugThread::~HotplugThread() {
32
33}
34
35void HotplugThread::requestExit() {
36    // Call parent to set up shutdown
37    Thread::requestExit();
38
39    // Cleanup other states?
40}
41
42bool HotplugThread::threadLoop() {
43    (void)mModule;  // silence warning about unused member.
44
45    /**
46     * Check camera connection status change, if connected, do below:
47     * 1. Create camera device, add to mCameras.
48     * 2. Init static info (mCameras[id]->initStaticInfo())
49     * 3. Notify on_status_change callback
50     *
51     * If unconnected, similarly, do below:
52     * 1. Destroy camera device and remove it from mCameras.
53     * 2. Notify on_status_change callback
54     *
55     * DO NOT have a tight polling loop here, to avoid excessive CPU utilization.
56     */
57
58    return true;
59}
60
61} // namespace usb_camera_hal
62