yinmeng-ios-store/yinmeng-ios/yinmeng-ios/Main/YinMeng/Message/View/Session/CHMessageConentAudioView.m

//
//  CHMessageConentAudioView.m
//  xplan-ios
//
//  Created by 冯硕 on 2022/4/22.
//

#import "CHMessageConentAudioView.h"
///Third
#import <Masonry/Masonry.h>
#import <NIMSDK/NIMSDK.h>
///Tool

#import "MEWThemeColor.h"
#import "CHMessageAudioCenter.h"
@interface CHMessageConentAudioView ()<NIMMediaManagerDelegate>
///背景
@property (nonatomic,strong) UIView * backView;
///显示语音的时长
@property (nonatomic,strong) UILabel *timeLabel;
///显示语音的动画
@property (nonatomic,strong) UIImageView *audioImageView;
///当前的消息
@property (nonatomic,strong) NIMMessage *message;
///是否正在播放
@property (nonatomic,assign) BOOL isPlaying;
@end

@implementation CHMessageConentAudioView

- (void)dealloc {
	[[NIMSDK sharedSDK].mediaManager removeDelegate:self];
}

- (instancetype)initWithFrame:(CGRect)frame {
	self = [super initWithFrame:frame];
	if (self) {
		[[NIMSDK sharedSDK].mediaManager setNeedProximityMonitor:NO];
		[[NIMSDK sharedSDK].mediaManager addDelegate:self];
		[self initSubViews];
		[self initSubViewConstraints];
	}
	return self;
}
#pragma mark - Private Method
- (void)initSubViews {
	[self addSubview:self.backView];
	[self.backView addSubview:self.timeLabel];
	[self.backView addSubview:self.audioImageView];
}

- (void)initSubViewConstraints {
	[self.backView mas_makeConstraints:^(MASConstraintMaker *make) {
		make.edges.mas_equalTo(self).insets(UIEdgeInsetsMake(MESSAGE_PADDING, MESSAGE_PADDING, MESSAGE_PADDING, MESSAGE_PADDING));
		make.height.mas_equalTo(30);
		make.width.mas_equalTo(50);
	}];
	
	[self.timeLabel mas_makeConstraints:^(MASConstraintMaker *make) {
		make.left.mas_equalTo(self.backView).offset(10);
		make.centerY.mas_equalTo(self.backView);
	}];
	
	[self.audioImageView mas_makeConstraints:^(MASConstraintMaker *make) {
		make.size.mas_equalTo(CGSizeMake(20, 20));
		make.right.mas_equalTo(self.backView).offset(-10);
		make.centerY.mas_equalTo(self.backView);
	}];
}

#pragma mark - NIMMediaManagerDelegate
- (void)playAudio:(NSString *)filePath didBeganWithError:(NSError *)error {
	if(filePath && !error) {
		if ([CHMessageAudioCenter shareInstance].currentPlayingMessage == self.message) {
			[self.audioImageView startAnimating];
		}
	}
}

- (void)playAudio:(NSString *)filePath didCompletedWithError:(NSError *)error {
	[self.audioImageView stopAnimating];
	UIImage * thirdImage = [UIImage imageNamed:@"mew_message_content_audio_playing_third"];
	self.audioImageView.image = thirdImage;
}
#pragma mark - Event Response
- (void)didTapBackRecognizer {
	if ([self.message attachmentDownloadState] == NIMMessageAttachmentDownloadStateDownloaded) {
		if ([[NIMSDK sharedSDK].mediaManager isPlaying]) {
			[[NIMSDK sharedSDK].mediaManager stopPlay];
		}

		if (self.isPlaying) {
			[[NIMSDK sharedSDK].mediaManager stopPlay];
			self.isPlaying = NO;
		} else {
			self.isPlaying = YES;
			[[NIMSDK sharedSDK].mediaManager switchAudioOutputDevice:NIMAudioOutputDeviceSpeaker];
			[[CHMessageAudioCenter shareInstance] playAudioMessage:self.message];
		}
	}
}

#pragma mark - Getters And Setters
- (UIView *)backView {
	if (!_backView) {
		_backView = [[UIView alloc] init];
		_backView.backgroundColor = [UIColor clearColor];
		UITapGestureRecognizer * tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(didTapBackRecognizer)];
		[_backView addGestureRecognizer:tap];
	}
	return _backView;
}

- (UILabel *)timeLabel {
	if (!_timeLabel) {
		_timeLabel = [[UILabel alloc] init];
		_timeLabel.font = [UIFont systemFontOfSize:14 weight:UIFontWeightMedium];
		_timeLabel.textColor = [MEWThemeColor mewMainTextColor];
	}
	return _timeLabel;
}

- (UIImageView *)audioImageView {
	if (!_audioImageView) {
		_audioImageView = [[UIImageView alloc] init];
		_audioImageView.userInteractionEnabled = YES;
		UIImage * firstImage = [UIImage imageNamed:@"mew_message_content_audio_playing_first"];
		UIImage * secondImage = [UIImage imageNamed:@"mew_message_content_audio_playing_second"];
		UIImage * thirdImage = [UIImage imageNamed:@"mew_message_content_audio_playing_third"];
		_audioImageView.animationImages = @[firstImage, secondImage, thirdImage];
		_audioImageView.animationDuration = 1;
		_audioImageView.animationRepeatCount = HUGE;
		_audioImageView.image = thirdImage;
	}
	return _audioImageView;
}

+ (CGFloat)measureHeight:(NIMMessage *)message {
	NSInteger audioContentHeight  = 30;
	return (audioContentHeight + CONTENT_PADDING_V_TOTAL+ MESSAGE_PADDING * 2);
}

- (void)render:(NIMMessage *)message {
	self.message = message;
	NIMAudioObject *audioContent = (NIMAudioObject*)[message messageObject];
	NSAssert([audioContent isKindOfClass:[NIMAudioObject class]], @"message should be audio");
	CGFloat value  = 2*atan((audioContent.duration/1000.0-1)/10.0)/M_PI;
	NSInteger audioContentMinWidth = (CONTENT_WIDTH_MAX - 180);
	NSInteger audioContentMaxWidth = (CONTENT_WIDTH_MAX - 100);
	CGFloat audioWidth = (audioContentMaxWidth - audioContentMinWidth)* value + audioContentMinWidth;
	[self.backView mas_updateConstraints:^(MASConstraintMaker *make) {
		make.width.mas_equalTo(audioWidth);;
	}];
	self.timeLabel.text = [NSString stringWithFormat:@"%zd\"",(audioContent.duration+500)/1000];//四舍五入
}



@end