zuoyebang/tongxin/VC/WatchHome/DeviceInfo/CallVideo/Agora/CallViewController.m

//
//  CallViewController.m
//  OpenDuo
//
//  Created by suleyu on 2017/10/31.
//  Copyright © 2017 Agora. All rights reserved.
//



//ios > 10
//#import <CallKit/CXCallObserver.h>
//#import <CallKit/CXCall.h>

#import "CallViewController.h"
#import <JLAuthorizationManager.h>
#import <AVFoundation/AVFoundation.h>
#import <AgoraRtcKit/AgoraRtcEngineKit.h>
#import "MJExtension.h"
#import "AppDelegate.h"

//CXCallObserverDelegate
@interface CallViewController ()<AgoraRtcEngineDelegate>
{
    AVAudioPlayer *audioPlayer;
    AgoraRtcEngineKit *mediaEngine;
    int wait_duration;
    NSInteger tempElapsed ;
    BOOL hangUping;
    
    //CXCallObserver *callObserver;
}

@property (strong, nonatomic) LGAlertView *alertView;

/// 远端摄像头预览
@property (weak, nonatomic) IBOutlet UIView *remoteVideo;

/// 自己摄像头预览
@property (weak, nonatomic) IBOutlet UIView *localVideo;

///头像
@property (weak, nonatomic) IBOutlet UIImageView *headImageView;
/// 名称
@property (weak, nonatomic) UILabel *nameLabel;
/// 通话时间
@property (weak, nonatomic) UILabel *timeLabel;


/// 摄像头开关
@property (weak, nonatomic) UIButton *onSwitchCameraBtn;

/// 摄像头切换
@property (weak, nonatomic) UIButton *switchCameraBtn;

/// 静音按钮
@property (weak, nonatomic) UIButton *muteBtn;

/// 接听按钮
@property (nonatomic ,weak) UIButton *answerBtn;

/// 挂断按钮(接通之后或拨打等待接听)
@property (nonatomic ,weak) UIButton *hangUpBtn;

/// 挂断按钮(被动呼叫等待接听)
@property (nonatomic ,weak) UIButton *lefthangUpBtn;

/// 麦克风开关
@property (nonatomic ,weak) UIButton *microphoneBtn;

/// 呼叫状态
@property (nonatomic ,weak) UILabel *statusLabel;

/// 与谁的通话
@property (nonatomic ,weak) UILabel *tonghuaLabel;


@property (strong, nonatomic) AgoraRtcEngineKit *agoraKit;
@property (nonatomic) int timeLength;
@property (strong, nonatomic) NSTimer *timeTimer;

/**
 是否是接通状态
 */
@property (nonatomic) BOOL isCall;


@end

@implementation CallViewController

- (void)subViewsLayout
{
    CGSize btnSize = CGSizeMake(70, 100);
    WEAKSELF
    /// 摄像头切换
    UIButton *switchCameraBtn = [UICommon ui_buttonSimple:CGRectZero font:Font_(0) normalColor:KKClearColor normalText:@"" click:^(id x) {
        [weakSelf.agoraKit switchCamera];
    }];
    switchCameraBtn.hidden = YES;
    [switchCameraBtn setImage:ImageName_(@"video_icon_camera") forState:0];
    self.switchCameraBtn = switchCameraBtn;
    [self.view addSubview:switchCameraBtn];
    [switchCameraBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.right.equalTo(self.view.mas_right).inset(16);
        make.top.equalTo(self.view).offset(52);
        make.size.mas_equalTo(CGSizeMake(28, 28));
    }];
    
    self.remoteVideo.frame = CGRectMake(0, 0, ScreenWidth, ScreenHeight);
    
    /// 自己摄像头预览
    self.localVideo.frame = CGRectMake(ScreenWidth-116, 104, 100, 130);
    self.localVideo.layer.borderWidth = 1;
    self.localVideo.layer.borderColor = KKWhiteColorColor.CGColor;
    self.localVideo.layer.cornerRadius = 4;
    self.localVideo.layer.masksToBounds = YES;
    self.localVideo.hidden = YES;
    
    self.headImageView.hidden = YES;
    self.headImageView.layer.cornerRadius = 12;
    self.headImageView.layer.masksToBounds = YES;
    [self.headImageView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerX.equalTo(self.view);
        make.top.equalTo(self.view).offset(154);
        make.size.mas_equalTo(CGSizeMake(128, 128));
    }];
    
    UILabel *nameLabel = [UICommon ui_label:CGRectZero lines:0 align:NSTextAlignmentCenter font:FontBold_(24) textColor:KKWhiteColorColor text:@"" Radius:0];
    nameLabel.hidden = YES;
    self.nameLabel = nameLabel;
    [self.view addSubview:nameLabel];
    [nameLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerX.equalTo(self.view);
        make.top.equalTo(self.headImageView.mas_bottom).offset(14);
    }];
    
    /// 挂断按钮
    UIButton *hangUpBtn = [UICommon ui_buttonSimple:CGRectZero font:Font_(14) normalColor:KKWhiteColorColor normalText:@"挂断" click:^(UIButton *btn) {
        [weakSelf activeHangUpBtnAction:btn];
    }];
    hangUpBtn.size = btnSize;
    hangUpBtn.hidden = YES;
    [hangUpBtn setImage:ImageName_(@"video_icon_cancle") forState:0];
    [self setBtnImageAndTitle:hangUpBtn];
    self.hangUpBtn = hangUpBtn;
    [self.view addSubview:hangUpBtn];
    [hangUpBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerX.equalTo(self.view);
        make.bottom.equalTo(self.view.mas_bottom).inset(58);
        make.size.mas_equalTo(btnSize);
    }];
    
    
    /// 摄像头开关
    UIButton *onSwitchCameraBtn = [UICommon ui_buttonSimple:CGRectZero font:Font_(14) normalColor:KKWhiteColorColor normalText:@"" click:^(UIButton *btn) {
        btn.selected = !btn.selected;
        [weakSelf.agoraKit enableLocalVideo:!btn.selected];
    }];
    onSwitchCameraBtn.size = btnSize;
    onSwitchCameraBtn.hidden = YES;
    [onSwitchCameraBtn setImage:ImageName_(@"video_icon_ cameraono") forState:UIControlStateNormal];
    [onSwitchCameraBtn setImage:ImageName_(@"video_icon_ cameraoff") forState:UIControlStateSelected];
    [onSwitchCameraBtn setTitle:@"摄像头已开" forState:UIControlStateNormal];
    [onSwitchCameraBtn setTitle:@"摄像头已关" forState:UIControlStateSelected];
    [self setBtnImageAndTitle:onSwitchCameraBtn];
    self.onSwitchCameraBtn = onSwitchCameraBtn;
    [self.view addSubview:onSwitchCameraBtn];
    [onSwitchCameraBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.right.equalTo(self.view.mas_right).inset(40);
        make.centerY.equalTo(hangUpBtn);
        make.size.mas_equalTo(btnSize);
    }];
    
    /// 麦克风开关
    UIButton *microphoneBtn = [UICommon ui_buttonSimple:CGRectZero font:Font_(14) normalColor:KKWhiteColorColor normalText:@"" click:^(UIButton *btn) {
        btn.selected = !btn.selected;
        [weakSelf.agoraKit muteLocalAudioStream:btn.selected];
    }];
    microphoneBtn.size = btnSize;
    microphoneBtn.hidden = YES;
    [microphoneBtn setImage:ImageName_(@"video_icon_muteon") forState:UIControlStateNormal];
    [microphoneBtn setImage:ImageName_(@"video_icon_muteoff") forState:UIControlStateSelected];
    [microphoneBtn setTitle:@"麦克风已开" forState:UIControlStateNormal];
    [microphoneBtn setTitle:@"麦克风已关" forState:UIControlStateSelected];
    [self setBtnImageAndTitle:microphoneBtn];
    self.microphoneBtn = microphoneBtn;
    [self.view addSubview:microphoneBtn];
    [microphoneBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.view).offset(40);
        make.centerY.equalTo(hangUpBtn);
        make.size.mas_equalTo(btnSize);
    }];
    
    
    /// 挂断按钮(被动呼叫等待接听)
    UIButton *lefthangUpBtn = [UICommon ui_buttonSimple:CGRectZero font:Font_(14) normalColor:KKWhiteColorColor normalText:@"挂断" click:^(UIButton *btn) {
        [weakSelf hangUpButton:btn];
    }];
    lefthangUpBtn.size = btnSize;
    lefthangUpBtn.hidden = YES;
    [lefthangUpBtn setImage:ImageName_(@"video_icon_cancle") forState:0];
    [self setBtnImageAndTitle:lefthangUpBtn];
    self.lefthangUpBtn = lefthangUpBtn;
    [self.view addSubview:lefthangUpBtn];
    [lefthangUpBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.view).offset(40);
        make.centerY.equalTo(hangUpBtn);
        make.size.mas_equalTo(btnSize);
    }];
    
    /// 接听按钮
    UIButton *answerBtn = [UICommon ui_buttonSimple:CGRectZero font:Font_(14) normalColor:KKWhiteColorColor normalText:@"接听" click:^(UIButton *btn) {
        [weakSelf acceptBtnAction:btn];
    }];
    answerBtn.size = btnSize;
    answerBtn.hidden = YES;
    [answerBtn setImage:ImageName_(@"video_icon_pickup") forState:UIControlStateNormal];
    [self setBtnImageAndTitle:answerBtn];
    self.answerBtn = answerBtn;
    [self.view addSubview:answerBtn];
    [answerBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.right.equalTo(self.view.mas_right).inset(40);
        make.centerY.equalTo(hangUpBtn);
        make.size.mas_equalTo(btnSize);
    }];
    
    /// 通话时间
    UILabel *timeLabel = [UICommon ui_label:CGRectZero lines:0 align:NSTextAlignmentCenter font:FontBold_(18) textColor:KKWhiteColorColor text:@"" Radius:0];
    timeLabel.hidden = YES;
    self.timeLabel = timeLabel;
    [self.view addSubview:timeLabel];
    [timeLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerX.equalTo(self.view);
        make.bottom.equalTo(hangUpBtn.mas_top).inset(24);
    }];
    
    UILabel *statusLabel = [UICommon ui_label:CGRectZero lines:0 align:NSTextAlignmentCenter font:Font_(16) textColor:KKWhiteColorColor text:@"" Radius:0];
    statusLabel.hidden = YES;
    self.statusLabel = statusLabel;
    [self.view addSubview:statusLabel];
    [statusLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerX.equalTo(self.view);
        make.top.equalTo(nameLabel.mas_bottom).offset(60);
    }];
    
    
    UILabel *tonghuaLabel = [UICommon ui_label:CGRectZero lines:0 align:NSTextAlignmentCenter font:FontBold_(18) textColor:KKWhiteColorColor text:@"" Radius:0];
    tonghuaLabel.hidden = YES;
    self.tonghuaLabel = tonghuaLabel;
    [self.view addSubview:tonghuaLabel];
    [tonghuaLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.right.equalTo(self.view).inset(64);
        make.centerY.equalTo(switchCameraBtn);
    }];
    
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    WEAKSELF
    //添加通知
    [[NSNotificationCenter defaultCenter] addObserverForName:AccountMessageNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification * _Nonnull note) {
        NSDictionary *dic = note.object;
        NSDictionary *msgDic = dic[@"message"];
        NSString * msgType = msgDic[@"type"];
        if([msgType isEqualToString:@"reject"]){
            //拒绝视频通话
            [weakSelf activeHangUpBtnAction:nil];
        }else{
            return ;
        }
        
    }];
    
    [self subViewsLayout];
    
    //view.layer.masksToBounds = YES;
    //判断性别
    NSString *sexImageName = [cUser.cDevice.sex isEqualToString:@"girl"] ? @"icon_girl_head_portrait" : @"icon_boy_head_portrait";
    [self.headImageView sd_setImageWithURL:[NSURL URLWithString:self.device.avator]
                          placeholderImage:[myHelper getImageWithName:sexImageName]
                                   options:SDWebImageRetryFailed];
    self.nameLabel.text = self.device.name;
    
    //设置视频 分辨率等设置
    // [self setupVideo];
    //设置 本地视频摄像头
    //  [self setupLocalVideo];
    
    
    JLAuthorizationManager *jlManager = [JLAuthorizationManager defaultManager];
    [jlManager JL_requestAuthorizationWithAuthorizationType:JLAuthorizationTypeAudio
                                          authorizedHandler:nil
                                        unAuthorizedHandler:^{
        LGAlertView *alertView = [[LGAlertView alloc] initWithTitle:@"请为作业帮打开麦克风权限" message:nil style:LGAlertViewStyleAlert buttonTitles:@[@"确定"] cancelButtonTitle:@"取消" destructiveButtonTitle:nil  actionHandler:^(LGAlertView *alertView, NSString *title, NSUInteger index) {
            
            [[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];
            
        } cancelHandler:^(LGAlertView *alertView) {
            if(weakSelf.isReceiveCall){
                [weakSelf activeHangUpBtnAction:nil];
            }else{
                [weakSelf hangUpButton:nil];
            }
            
        } destructiveHandler:nil];
        [alertView showAnimated:YES completionHandler:nil];
    }];
    
    //    MARK: 处理来电接听挂断
    if([UIDevice currentDevice].systemVersion.floatValue > 10.0){
        //callObserver= [CXCallObserver new];
        //[callObserver setDelegate:self queue:dispatch_get_main_queue()];
    }
    
}



- (void)initializeAgoraEngine
{
    xLog(@"声网 SDK 版本 %@",[AgoraRtcEngineKit getSdkVersion]);
    AgoraRtcEngineConfig *config = [AgoraRtcEngineConfig new];
    config.appId = self.appid;
    config.areaCode = AgoraAreaCodeTypeCN;
    config.channelProfile = AgoraChannelProfileLiveBroadcasting;
    
    self.agoraKit = [AgoraRtcEngineKit sharedEngineWithConfig:config delegate:self];
    //[self.agoraKit setChannelProfile:AgoraChannelProfileLiveBroadcasting];
    [self.agoraKit setClientRole:AgoraClientRoleBroadcaster];
    
    //[self.agoraKit setLogFile:@"agorasdk"];
    
    /// 设置默认使用前置摄像头
    AgoraCameraCapturerConfiguration *Camera = [[AgoraCameraCapturerConfiguration alloc] init];
    Camera.cameraDirection = AgoraCameraDirectionFront;
    [self.agoraKit setCameraCapturerConfiguration:Camera];
    
    
    [self.agoraKit enableVideo];
    ///  设置 视频分辨率
    [self setupVideo];
    
}

/**
 设置 视频分辨率
 */
- (void)setupVideo
{
    // Default mode is disableVideo
    
    
    [self.agoraKit setParameters:@"{\"engine.video.codec_type\":\"20\"}"];
    [self.agoraKit setParameters:@"{\"rtc.audio.acm_ptime\":60}"];
    [self.agoraKit setParameters:@"{\"che.audio.custom_payload_type\":9}"];
    
    if(self.videoSize.width == 160 && self.videoSize.height == 128){
        self.videoSize = CGSizeMake(160, 128);
        
        AgoraVideoEncoderConfiguration *encoderConfiguration =
        [[AgoraVideoEncoderConfiguration alloc] initWithSize:self.videoSize
                                                   frameRate:5
                                                     bitrate:1000
                                             orientationMode:AgoraVideoOutputOrientationModeFixedLandscape
                                                  mirrorMode:AgoraVideoMirrorModeAuto];
        encoderConfiguration.dimensions = self.videoSize;
        [self.agoraKit setVideoEncoderConfiguration:encoderConfiguration];
    }
    else
    {
        //[self.agoraKit setParameters:@"{\"rtc.audio.custom_payload_type\":9}"];
        self.videoSize = AgoraVideoDimension240x240;
        
        AgoraVideoEncoderConfiguration *encoderConfiguration =
        [[AgoraVideoEncoderConfiguration alloc] initWithSize:self.videoSize
                                                   frameRate:5//AgoraVideoFrameRateFps7
                                                     bitrate:1000//AgoraVideoBitrateStandard
                                             orientationMode:AgoraVideoOutputOrientationModeFixedPortrait
                                                  mirrorMode:AgoraVideoMirrorModeAuto];
        encoderConfiguration.dimensions = AgoraVideoDimension240x240;
        [self.agoraKit setVideoEncoderConfiguration:encoderConfiguration];
    }
    
    
    [self setupLocalVideo];
    
    //添加拖动手势
    UIPanGestureRecognizer *panGestureRecognizer = [[UIPanGestureRecognizer alloc]
                                                    initWithTarget:self
                                                    action:@selector(handlePan:)];
    [self.remoteVideo addGestureRecognizer:panGestureRecognizer];
    //双击手势
    UITapGestureRecognizer *doubleTapGesture = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(handleDoubleTap:)];
    doubleTapGesture.numberOfTapsRequired = 2;
    doubleTapGesture.numberOfTouchesRequired = 1;
    [self.remoteVideo addGestureRecognizer:doubleTapGesture];
    
}

/**
 初始化自己的 视频界面
 */
- (void)setupLocalVideo
{
//    if(self.videoSize.width == 160 && self.videoSize.height == 128)
//        self.localVideo.frame = CGRectMake(ScreenWidth-(128*Adapted(0.35))-50, 50, 160*Adapted(0.35), 128*Adapted(0.35));
//    else
//        self.localVideo.frame = CGRectMake(ScreenWidth*(1-0.25)-25, 50, ScreenWidth * 0.25, ScreenHeight*0.25);
    self.localVideo.backgroundColor = UIColor.blackColor;
    AgoraRtcVideoCanvas *videoCanvas = [[AgoraRtcVideoCanvas alloc] init];
    videoCanvas.uid = self.uid;
    videoCanvas.view = self.localVideo;
    //videoCanvas.renderMode = AgoraVideoRenderModeFit;
    videoCanvas.mirrorMode = AgoraVideoMirrorModeAuto;
    [self.agoraKit setupLocalVideo:videoCanvas];
    [self.agoraKit startPreview];
    [self.agoraKit setDefaultAudioRouteToSpeakerphone:YES];
    //MARK: 设置录音的音量是原本的4倍
    [self.agoraKit adjustRecordingSignalVolume:400];
    self.localVideo.hidden = YES;
    
    //添加拖动手势
    UIPanGestureRecognizer *panGestureRecognizer = [[UIPanGestureRecognizer alloc]
                                                    initWithTarget:self
                                                    action:@selector(handlePan:)];
    [self.localVideo addGestureRecognizer:panGestureRecognizer];
    //双击手势
    UITapGestureRecognizer *doubleTapGesture = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(handleDoubleTap:)];
    doubleTapGesture.numberOfTapsRequired = 2;
    doubleTapGesture.numberOfTouchesRequired = 1;
    [self.localVideo addGestureRecognizer:doubleTapGesture];
}

/**
 MARK:加入通道
 */
- (void)joinChannel
{
    if(self.channelID && self.uid )
    {
        WeakSelf
        AgoraRtcChannelMediaOptions *option = [AgoraRtcChannelMediaOptions new];
        [option setPublishCameraTrack:YES];
        [option setClientRoleType:AgoraClientRoleBroadcaster];
        
        
        int res = [self.agoraKit joinChannelByToken:self.token channelId:self.channelID uid:self.uid mediaOptions:option joinSuccess:^(NSString * _Nonnull channel, NSUInteger uid, NSInteger elapsed) {
            xLog(@"加入通道");
            //启动定时器
            [weakSelf _startTimeTimer];
            self.agoraKit.delegate = self;
            
        }];
        xLog(@"加入通道res == %d" , res);
        //音频外放
        [self.agoraKit setEnableSpeakerphone:YES];
        //启用不自动锁屏
        [UIApplication sharedApplication].idleTimerDisabled = YES;
    }
    
}

/**
 MARK: APP 接听按钮
 */
- (IBAction)acceptBtnAction:(id)sender {
    self.isCall = YES;
    [self joinChannel];
    [self stopRing];
}

/**
 MARK: APP 主动挂断按钮 (接通后APP的挂断)
 
 */
- (void)activeHangUpBtnAction:(id)sender
{
    [self stopRing];
    [self leaveChannel];
    if(!hangUping)
    {
        WEAKSELF
        if(sender){
            //调 API 接口 下发指令给设备 上传 video_id
            [cUser activeHangUpVideoID:self.video_id WithDevice:self.device WithSuccess:^(id responseObject) {
                xLog(@"主动挂断成功");
                self->hangUping = NO;
                [weakSelf dismissViewControllerAnimated:YES completion:nil];
            } failure:^{
                xLog(@"主动挂断失败");
                self->hangUping = NO;
                [weakSelf dismissViewControllerAnimated:YES completion:nil];
            }];
        }
        else
        {
            if(self.isCall){
                return;
            }
            //MARK: 收到设备主动挂断 后的 推送的 动作
            //[UICommon MessageUpload:@""InfoWithStatus:[NSString stringWithFormat:@"%@ 拒绝了你的通话请求",cUser.cDevice.name]];
            [UICommon MessageSuccessText:@"视频通话结束" isImg:NO];
            AfterDispatch(1, ^{
                [weakSelf dismissViewControllerAnimated:YES completion:nil];
            });
        }
    }
    
}


/**
 MARK: APP 被动挂断按钮 (接通前APP的挂断)
 
 */
- (IBAction)hangUpButton:(UIButton *)sender {
    [self stopRing];
    [self leaveChannel];
    if(!hangUping){
        hangUping = YES;
        WEAKSELF
        //调 API 接口 下发指令给设备 上传 video_id
        [cUser activeHangUpVideoID:self.video_id WithDevice:self.device WithSuccess:^(id responseObject) {
            xLog(@"主动挂断成功");
            [weakSelf dismissViewControllerAnimated:YES completion:nil];
            self->hangUping = NO;
        } failure:^{
            xLog(@"主动挂断失败");
            self->hangUping = NO;
        }];
    }
    
    
}

/**
 MARK: 离开通道
 */
- (void)leaveChannel
{
    xLog(@"调用离开通道接口");
    
    if(self.alertView){
        [self.alertView dismissAnimated:YES completionHandler:nil];
    }
    WEAKSELF
    [self.agoraKit leaveChannel:^(AgoraChannelStats *stat) {
        
        //取消不自动锁屏
        [UIApplication sharedApplication].idleTimerDisabled = NO;
        [weakSelf.remoteVideo removeFromSuperview];
        [weakSelf.localVideo removeFromSuperview];
        //停止定时器
        [weakSelf _stopTimeTimer];
        
        if(weakSelf.isCall){
            //上传视频时间
            NSMutableDictionary *dic = [NSMutableDictionary dictionary];
            long tempTime = stat.duration-self->wait_duration;
            if(stat.duration - self->wait_duration < 0){
                tempTime = 0;
            }
            
            [dic setValue:@(tempTime) forKey:@"duration"];
            [dic setValue:@(self->wait_duration) forKey:@"wait_duration"];//wait_duration
            [dic setValue:@(weakSelf.videoSize.width) forKey:@"distinguishability_width"];
            [dic setValue:@(weakSelf.videoSize.height) forKey:@"distinguishability_heiger"];
            [dic setValue:self.video_id forKey:@"video_id"];
            [cUser postVideoCallTimeParame:[dic copy] deviceModel:self.device success:^(id responseObject) {
                xLog(@"上传视频时间成功");
                //MARK: 上传完视频时间后删除存储的 Key
                [UserDefaults removeObjectForKey:VideoTimeAndIDAndWHRecordKey];
                
            } failure:^{
                xLog(@"上传视频时间失败");
            }];
        }
        
        [weakSelf dismissViewControllerAnimated:YES completion:^{
            
        }];
        
    }];
}

/**
 用户在 视频通话 和 语音通话间切换 (暂时不用)
 */
- (IBAction)didClickVideoMuteButton:(UIButton *)sender {
    sender.selected = !sender.selected;
    [self.agoraKit muteLocalVideoStream:sender.selected];
    //self.localVideo.hidden = sender.selected;
}


#pragma mark AgoraRtcEngineDelegate
/// 发生错误回调
- (void)rtcEngine:(AgoraRtcEngineKit *_Nonnull)engine didOccurError:(AgoraErrorCode)errorCode{
    xLog(@"===发生错误回调 errorCode:%ld",errorCode);
}

/// Token 服务即将过期回调
- (void)rtcEngine:(AgoraRtcEngineKit *)engine tokenPrivilegeWillExpire:(NSString *)token
{
    xLog(@"Token 服务即将过期回调 token:%@",token);
}

/// Token 过期回调
-(void)rtcEngineRequestToken:(AgoraRtcEngineKit *)engine
{
    xLog(@"Token 过期回调");
}

- (void)rtcEngine:(AgoraRtcEngineKit *)engine didJoinedOfUid:(NSUInteger)uid elapsed:(NSInteger)elapsed
{
    NSLog(@"\n\n\n\n远端用户加入频道\n\n\n\n\n");
    [self stopRing];
    if(self.isCall == NO){
        //MARK: 赋值等待时间
        wait_duration = self.timeLength;
        self.timeLength = 0;
        [self _stopTimeTimer];
        [self _startTimeTimer];
    }
    self.isCall = YES;

    if (self.remoteVideo.hidden)
    {
        self.remoteVideo.hidden = NO;
    }

    AgoraRtcVideoCanvas *videoCanvas = [[AgoraRtcVideoCanvas alloc] init];
    videoCanvas.uid = uid;
    videoCanvas.renderMode = AgoraVideoRenderModeHidden;
    videoCanvas.view = self.remoteVideo;
    [self.agoraKit setupRemoteVideo:videoCanvas];
}

- (void)rtcEngine:(AgoraRtcEngineKit *)engine didJoinChannel:(NSString *)channel withUid:(NSUInteger)uid elapsed:(NSInteger) elapsed
{
    NSLog(@"*本地用户成功加入指定通道时发生。");
}

- (void)rtcEngine:(AgoraRtcEngineKit *)engine remoteVideoStateChangedOfUid:(NSUInteger)uid state:(AgoraVideoRemoteState)state reason:(AgoraVideoRemoteReason)reason elapsed:(NSInteger)elapsed
{
    NSLog(@"************************");
    //self.isCall = YES;
}

- (void)rtcEngine:(AgoraRtcEngineKit *)engine localVideoStats:(AgoraRtcLocalVideoStats * _Nonnull)stats
{
    NSLog(@"本地视频流");
}
 
////MARK: 视频的暂停 和 恢复
//- (void)rtcEngine:(AgoraRtcEngineKit *)engine didVideoMuted:(BOOL)muted byUid:(NSUInteger)uid {
//    NSLog(@"//MARK: 视频的暂停 和 恢复");
//    self.remoteVideo.hidden = muted;
//}

//MARK: 频道的统计数据 回调 每两秒触发一次。
-(void)rtcEngine:(AgoraRtcEngineKit *)engine reportRtcStats:(AgoraChannelStats *)stats
{
    NSLog(@"//MARK: 频道的统计数据 回调 每两秒触发一次。");
    if(self.isCall)
    {
//        self.timeLength = (int)stats.duration - wait_duration;
        //MARK:记录视频通话时间
        [UserDefaults setValue:[NSString stringWithFormat:@"%@&%@&%@&%@&%@",@(stats.duration),self.video_id,@(self.videoSize.width),@(self.videoSize.height),@(wait_duration)] forKey:VideoTimeAndIDAndWHRecordKey];
    }
}

//MARK: 用户离线回调
- (void)rtcEngine:(AgoraRtcEngineKit *)engine didOfflineOfUid:(NSUInteger)uid reason:(AgoraUserOfflineReason)reason
{
    self.remoteVideo.hidden = true;
    switch (reason) {
        case AgoraUserOfflineReasonQuit:
            //用户主动离开
            xLog(@"用户主动离开");
            [self leaveChannel];
            break;
        case AgoraUserOfflineReasonBecomeAudience:
            //用户身份从主播切换为观众时触发
            xLog(@"用户身份从主播切换为观众时触发");
            break;
        case AgoraUserOfflineReasonDropped:
            //因过长时间收不到对方数据包，超时掉线。注意：由于 SDK 使用的是不可靠通道，也有可能对方主动离开本方没收到对方离开消息而误判为超时掉线
            xLog(@"因过长时间收不到对方数据包，超时掉线。注意：由于 SDK 使用的是不可靠通道，也有可能对方主动离开本方没收到对方离开消息而误判为超时掉线");
            break;
    }
    if(reason == AgoraUserOfflineReasonBecomeAudience)
    {
        return;
    }
    if(uid == self.device_uid)
    {
        [self leaveChannel];
        [UICommon MessageSuccessText:[NSString stringWithFormat:@"%@已挂断",cUser.cDevice.name] isImg:NO];
    }
    if(uid == self.uid){
        xLog(@"自己离开通道");
    }
}


#pragma mark - 时间定时器

- (void)timeTimerAction:(id)sender
{
    self.timeLength += 1;
    if(self.isCall == NO)
    {
        //未接通的情况
        if(self.timeLength == self.wait_time)
        {
            wait_duration = self.wait_time;
            [self leaveChannel];
            WEAKSELF
            [UICommon MessageSuccessText:[NSString stringWithFormat:@"%@ 未接听",self.device.name] isImg:NO];
            AfterDispatch(1, ^{
                [weakSelf dismissViewControllerAnimated:YES completion:nil];
            });
            [self _stopTimeTimer];
            return;
        }
        else
        {
            wait_duration = self.timeLength;
        }
    }
    
    if(self.timeLength == self.limit_time - DefineVideoLimitBeforeShowTime){
        self.alertView = [[LGAlertView alloc] initWithTitle:@"提示" message:@"为防止设备温度过高，即将结束通话，稍后可正常使用" style:LGAlertViewStyleAlert buttonTitles:@[@"确定"] cancelButtonTitle:@"" destructiveButtonTitle:nil  actionHandler:^(LGAlertView *alertView, NSString *title, NSUInteger index) {
            
        } cancelHandler:^(LGAlertView *alertView) {
            
        } destructiveHandler:nil];
        [self.alertView showAnimated:YES completionHandler:nil];
        
    }
    
    //限制时间, 不能和设备视频太长时间 默认是 180s (3分钟)
    if(self.timeLength == self.limit_time)
    {
        [self hangUpButton:nil];
        return;
    }
    
    if(self.isCall)
    {
        int hour = self.timeLength / 3600;
        int m = (self.timeLength - hour * 3600) / 60;
        int s = self.timeLength - hour * 3600 - m * 60;
        if (hour > 0)
        {
            self.timeLabel.text = [NSString stringWithFormat:@"%02i:%02i:%02i", hour, m, s];
        }
        else if(m > 0)
        {
            self.timeLabel.text = [NSString stringWithFormat:@"%02i:%02i", m, s];
        }
        else
        {
            self.timeLabel.text = [NSString stringWithFormat:@"00:%02i", s];
        }
    }
}

- (void)_startTimeTimer
{
    [self _stopTimeTimer];
    self.timeLength = 0;
    self.timeTimer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(timeTimerAction:) userInfo:nil repeats:YES];
}

- (void)_stopTimeTimer
{
    if (self.timeTimer)
    {
        [self.timeTimer invalidate];
        self.timeTimer = nil;
    }
}

//MARK: 响铃的 MP3
- (void)playRing:(NSString *)name
{
    [self stopRing];
    AVAudioSession *audioSession = [AVAudioSession sharedInstance];
    [audioSession setCategory:AVAudioSessionCategoryPlayback error:nil];
    [audioSession setActive:YES error:nil];
    
    NSURL *path = [[NSBundle mainBundle] URLForResource:name withExtension:@"mp3"];
    audioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:path error:nil];
    audioPlayer.numberOfLoops = -1;
    [audioPlayer play];
}

- (void)stopRing
{
    if (audioPlayer)
    {
        [audioPlayer stop];
        audioPlayer = nil;
    }
}

-(void)viewDidDisappear:(BOOL)animated
{
    [super viewDidDisappear:animated];
    [self stopRing]; //停止响铃
    //移除通知
    [[NSNotificationCenter defaultCenter] removeObserver:self name:AccountMessageNotification object:nil];
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}
- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
    [self initializeAgoraEngine];
    WEAKSELF
    if(!self.isReceiveCall)
    {
        //主动拨打
        self.hangUpBtn.hidden = NO;
        self.headImageView.hidden = NO;
        self.nameLabel.hidden = NO;
        self.statusLabel.hidden = NO;
        self.statusLabel.text = @"正在呼叫中...";
        dispatch_async(dispatch_get_main_queue(), ^{
            [weakSelf playRing:@"ring"];
        });
        [self joinChannel];
    }
    else
    {
        //被动接听
        self.headImageView.hidden = NO;
        self.nameLabel.hidden = NO;
        self.statusLabel.hidden = NO;
        self.statusLabel.text = @"连接中";
        self.lefthangUpBtn.hidden = NO;
        self.answerBtn.hidden = NO;
        
        if([UIApplication sharedApplication].applicationState == UIApplicationStateActive){
            dispatch_async(dispatch_get_main_queue(), ^{
                [weakSelf playRing:@"tones"];
            });
        }
    }
}


- (void)setIsCall:(BOOL)isCall
{
    _isCall = isCall;
    if(isCall)
    {
        //隐藏 设备 头像 和 昵称 显示 (默认是显示的)
        self.headImageView.hidden = YES;
        self.nameLabel.hidden = YES;
        self.lefthangUpBtn.hidden = YES;
        self.answerBtn.hidden = YES; /// 接听按钮
        self.statusLabel.hidden = YES;
        
        self.localVideo.hidden = NO; // 显示自己
        self.timeLabel.hidden = NO;
        self.switchCameraBtn.hidden = NO;/// 切换摄像头
        self.microphoneBtn.hidden = NO; /// 麦克风
        self.muteBtn.hidden = NO; /// 静音按钮
        self.onSwitchCameraBtn.hidden = NO; /// 摄像头开关
        self.hangUpBtn.hidden = NO; /// 接通后挂断按钮
        self.tonghuaLabel.hidden = NO;
        self.tonghuaLabel.text = [NSString stringWithFormat:@"与%@的对话",self.device.name];
    }
}

//MARK: --- 拖动手势 ----
- (void)handlePan:(UIPanGestureRecognizer*)recognizer
{
    UIView *selectView = recognizer.view;
    if(selectView.bounds.size.width != ScreenWidth)
    { //不是全屏状态
        // Figure out where the user is trying to drag the view.
        CGPoint translation = [recognizer translationInView:self.view];
        CGPoint newCenter = CGPointMake(recognizer.view.center.x+ translation.x,
                                        recognizer.view.center.y + translation.y);//    限制屏幕范围：
        newCenter.y = MAX(recognizer.view.frame.size.height/2, newCenter.y);
        newCenter.y = MIN(self.view.frame.size.height - recognizer.view.frame.size.height/2,  newCenter.y);
        newCenter.x = MAX(recognizer.view.frame.size.width/2, newCenter.x);
        newCenter.x = MIN(self.view.frame.size.width - recognizer.view.frame.size.width/2,newCenter.x);
        recognizer.view.center = newCenter;
        [recognizer setTranslation:CGPointZero inView:self.view];
    }
    
}
//MARK: --- 双击放大----
-(void)handleDoubleTap:(UIGestureRecognizer *)recognizer
{
    UIView *selectView = recognizer.view;
    CGRect tempRect = selectView.frame;
    
    if(selectView.bounds.size.width != ScreenWidth)
    {
        if([self.localVideo isEqual:selectView])
        {
            self.localVideo.frame = CGRectMake(0, 0, ScreenWidth, ScreenHeight);
            self.remoteVideo.frame = tempRect;
            [self.view exchangeSubviewAtIndex:self.remoteVideo.getInSuperViewIndex withSubviewAtIndex:self.localVideo.getInSuperViewIndex];
        }else{
            self.remoteVideo.frame = CGRectMake(0, 0, ScreenWidth, ScreenHeight);
            self.localVideo.frame = tempRect;
            [self.view exchangeSubviewAtIndex:self.localVideo.getInSuperViewIndex withSubviewAtIndex:self.remoteVideo.getInSuperViewIndex];
        }
    }
    
}

- (void)setBtnImageAndTitle:(UIButton *)button
{
    CGFloat offset = 20.0f;
    button.titleEdgeInsets = UIEdgeInsetsMake(0,-button.imageView.frame.size.width,-button.imageView.frame.size.height-offset/2,0);
    // button.imageEdgeInsets = UIEdgeInsetsMake(-button.titleLabel.frame.size.height-offset/2,0,0,-button.titleLabel.frame.size.width);
    // 由于iOS8中titleLabel的size为0，用上面这样设置有问题，修改一下即可
    button.imageEdgeInsets = UIEdgeInsetsMake(-button.titleLabel.intrinsicContentSize.height-offset/2,0,0,-button.titleLabel.intrinsicContentSize.width);
}


-(void)dealloc
{
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}


@end