iboss-mini-ios/IBOSSmini/DKVoices/DKUITableViewController.m

//
//  UITableViewController.m
//  chatandvideotest
//
//  Created by Dongke on 15/11/18.
//  Copyright © 2015年 dongke. All rights reserved.
//

#import "DKUITableViewController.h"
#import <MobileCoreServices/MobileCoreServices.h>
#import "DKAudioPlayerHelper.h"

@interface DKUITableViewController()<DKMessageInputViewDelegate>
@property (nonatomic, strong) DKUITableViewCell *currentSelectedCell;
/**
 *  判断是否用户手指滚动
 */
@property (nonatomic, assign) BOOL isUserScrolling;

@property (nonatomic, weak, readwrite) DKMessageInputView *messageInputView;
@property (nonatomic, strong, readwrite) DKVoiceRecordHUD *voiceRecordHUD;


/**
 *  管理录音工具对象
 */
@property (nonatomic, strong) DKVoiceRecordHelper *voiceRecordHelper;

/**
 *  判断是不是超出了录音最大时长
 */
@property (nonatomic) BOOL isMaxTimeStop;

#pragma mark - DataSource Change
/**
 *  改变数据源需要的子线程
 *
 *  @param queue 子线程执行完成的回调block
 */
- (void)exChangeMessageDataSourceQueue:(void (^)())queue;

/**
 *  执行块代码在主线程
 *
 *  @param queue 主线程执行完成回调block
 */
- (void)exMainQueue:(void (^)())queue;



#pragma mark - Life Cycle
/**
 *  配置默认参数
 */
- (void)setup;

/**
 *  初始化显示控件
 */
- (void)initilzer;

#pragma mark - RecorderPath Helper Method
/**
 *  获取录音的路径
 *
 *  @return 返回录音的路径
 */
- (NSString *)getRecorderPath;

#pragma mark - UITextView Helper Method


#pragma mark - Scroll Message TableView Helper Method
/**
 *  根据bottom的数值配置消息列表的内部布局变化
 *
 *  @param bottom 底部的空缺高度
 */
- (void)setTableViewInsetsWithBottomValue:(CGFloat)bottom;

/**
 *  根据底部高度获取UIEdgeInsets常量
 *
 *  @param bottom 底部高度
 *
 *  @return 返回UIEdgeInsets常量
 */
- (UIEdgeInsets)tableViewInsetsWithBottomValue:(CGFloat)bottom;

#pragma mark - Message Calculate Cell Height
/**
 *  统一计算Cell的高度方法
 *
 *  @param message   被计算目标消息对象
 *  @param indexPath 被计算目标消息所在的位置
 *
 *  @return 返回计算的高度
 */
- (CGFloat)calculateCellHeightWithMessage:(id <DKMessageModel>)message atIndexPath:(NSIndexPath *)indexPath;

#pragma mark - Message Send helper Method

/**
 *  根据录音路径开始发送语音消息
 *
 *  @param voicePath        目标语音路径
 *  @param voiceDuration    目标语音时长
 */
- (void)didSendMessageWithVoice:(NSString *)voicePath voiceDuration:(NSString*)voiceDuration;

#pragma mark - Voice Recording Helper Method
/**
 *  开始录音
 */
- (void)startRecord;
/**
 *  完成录音
 */
- (void)finishRecorded;
/**
 *  想停止录音
 */
- (void)pauseRecord;
/**
 *  继续录音
 */
- (void)resumeRecord;
/**
 *  取消录音
 */
- (void)cancelRecord;


@end

@implementation DKUITableViewController

#pragma mark - DataSource Change

- (void)exChangeMessageDataSourceQueue:(void (^)())queue {
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), queue);
}

- (void)exMainQueue:(void (^)())queue {
    dispatch_async(dispatch_get_main_queue(), queue);
}

- (void)addMessage:(DKMessage *)addedMessage {
    WEAKSELF
    [self exChangeMessageDataSourceQueue:^{
        NSMutableArray *messages = [NSMutableArray arrayWithArray:weakSelf.messages];
        [messages addObject:addedMessage];
        
        NSMutableArray *indexPaths = [NSMutableArray arrayWithCapacity:1];
        [indexPaths addObject:[NSIndexPath indexPathForRow:messages.count - 1 inSection:0]];
        
        [weakSelf exMainQueue:^{
            weakSelf.messages = messages;
            [weakSelf.messageTableView insertRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationNone];
            [weakSelf scrollToBottomAnimated:YES];
        }];
    }];
}

#pragma mark - Propertys

- (NSMutableArray *)messages {
    if (!_messages) {
        _messages = [[NSMutableArray alloc] initWithCapacity:0];
    }
    return _messages;
}


- (DKVoiceRecordHUD *)voiceRecordHUD {
    if (!_voiceRecordHUD) {
        _voiceRecordHUD = [[DKVoiceRecordHUD alloc] initWithFrame:CGRectMake(0, 0, 140, 140)];
    }
    return _voiceRecordHUD;
}

- (DKVoiceRecordHelper *)voiceRecordHelper {
    if (!_voiceRecordHelper) {
        _isMaxTimeStop = NO;
        
        WEAKSELF
        _voiceRecordHelper = [[DKVoiceRecordHelper alloc] init];
        _voiceRecordHelper.maxTimeStopRecorderCompletion = ^{
            DLog(@"已经达到最大限制时间了，进入下一步的提示");
            
            // Unselect and unhilight the hold down button, and set isMaxTimeStop to YES.
            UIButton *holdDown = weakSelf.messageInputView.holdDownButton;
            holdDown.selected = NO;
            holdDown.highlighted = NO;
            weakSelf.isMaxTimeStop = YES;
            
            [weakSelf finishRecorded];
        };
        _voiceRecordHelper.peakPowerForChannel = ^(float peakPowerForChannel) {
            weakSelf.voiceRecordHUD.peakPower = peakPowerForChannel;
        };
        _voiceRecordHelper.maxRecordTime = kVoiceRecorderTotalTime;
    }
    return _voiceRecordHelper;
}

#pragma mark - Messages View Controller
- (void)setBackgroundColor:(UIColor *)color {
    self.view.backgroundColor = color;
    _messageTableView.backgroundColor = color;
}

- (void)setBackgroundImage:(UIImage *)backgroundImage {
    self.messageTableView.backgroundView = nil;
    self.messageTableView.backgroundView = [[UIImageView alloc] initWithImage:backgroundImage];
}

- (void)scrollToBottomAnimated:(BOOL)animated {
    //    if (![self shouldAllowScroll])
    //        return;
    
    NSInteger rows = [self.messageTableView numberOfRowsInSection:0];
    
    if (rows > 0) {
        [self.messageTableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:rows - 1 inSection:0]
                                     atScrollPosition:UITableViewScrollPositionBottom
                                             animated:animated];
    }
}

- (void)scrollToRowAtIndexPath:(NSIndexPath *)indexPath
              atScrollPosition:(UITableViewScrollPosition)position
                      animated:(BOOL)animated {
    //    if (![self shouldAllowScroll])
    //        return;
    
    [self.messageTableView scrollToRowAtIndexPath:indexPath
                                 atScrollPosition:position
                                         animated:animated];
}

#pragma mark - Previte Method


#pragma mark - Life Cycle

- (void)setup {
    //self.keyboardViewHeight = (kIsiPad ? 264 : 216);
    _allowsPanToDismissKeyboard = NO;
    _allowsSendVoice = YES;
    _inputViewStyle = DKMessageInputViewStyleFlat;
    
    self.delegate = self;
    self.dataSource = self;
}

- (id)init {
    self = [super init];
    if (self) {
        [self setup];
    }
    return self;
}

- (void)awakeFromNib {
     [super awakeFromNib];
    [self setup];
}

- (void)initilzer {
    if ([self respondsToSelector:@selector(automaticallyAdjustsScrollViewInsets)]) {
        self.automaticallyAdjustsScrollViewInsets = NO;
    }
    
    if ([self respondsToSelector:@selector(edgesForExtendedLayout)]) {
        self.edgesForExtendedLayout = UIRectEdgeNone;
    }
    
    // 默认设置用户滚动为NO
    _isUserScrolling = NO;
    
//    // 初始化message tableView
//    DKMessageTableView *messageTableView = [[DKMessageTableView alloc] initWithFrame:self.view.bounds style:UITableViewStylePlain];
//    messageTableView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
//    messageTableView.dataSource = self;
//    messageTableView.delegate = self;
//    messageTableView.separatorColor = [UIColor clearColor];
//    messageTableView.separatorStyle = UITableViewCellSeparatorStyleNone;
//    
//    
//    [self.view addSubview:messageTableView];
//    [self.view sendSubviewToBack:messageTableView];
//    _messageTableView = messageTableView;
    
    // 设置Message TableView 的bottom edg
    CGFloat inputViewHeight = (self.inputViewStyle == DKMessageInputViewStyleFlat) ? 45.0f : 40.0f;
    [self setTableViewInsetsWithBottomValue:inputViewHeight];
    
    // 设置整体背景颜色
    [self setBackgroundColor:[UIColor whiteColor]];
    
    // 输入工具条的frame
    CGRect inputFrame = CGRectMake(0.0f,
                                   self.view.frame.size.height - inputViewHeight,
                                   self.view.frame.size.width,
                                   inputViewHeight);
    
    WEAKSELF
    if (self.allowsPanToDismissKeyboard) {
        // 控制输入工具条的位置块
        void (^AnimationForMessageInputViewAtPoint)(CGPoint point) = ^(CGPoint point) {
      
            CGRect inputViewFrame = weakSelf.messageInputView.frame;
            CGPoint keyboardOrigin = [weakSelf.view convertPoint:point fromView:nil];
            inputViewFrame.origin.y = keyboardOrigin.y - inputViewFrame.size.height;
            weakSelf.messageInputView.frame = inputViewFrame;
        };
        
    }
    
    
    // 初始化输入工具条
    DKMessageInputView *inputView = [[DKMessageInputView alloc] initWithFrame:inputFrame];
    //inputView.allowsSendFace = self.allowsSendFace;
    inputView.allowsSendVoice = self.allowsSendVoice;
    //inputView.allowsSendMultiMedia = self.allowsSendMultiMedia;
    inputView.delegate = self;
    [self.view addSubview:inputView];
    [self.view bringSubviewToFront:inputView];
    
    _messageInputView = inputView;
    
}

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    // 设置键盘通知或者手势控制键盘消失
}

- (void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];
    
    if (self.textViewInputViewType != DKInputViewTypeNormal) {
        [self layoutOtherMenuViewHiden:YES];
    }
}

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    // 初始化消息页面布局
    [self initilzer];
    [[DKMessageBubbleView appearance] setFont:[UIFont systemFontOfSize:16.0f]];
}

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

- (void)dealloc {
    _messages = nil;
    //_delegate = nil;
    _dataSource = nil;
    _messageTableView.delegate = nil;
    _messageTableView.dataSource = nil;
    _messageTableView = nil;
    _messageInputView = nil;
    
}

#pragma mark - View Rotation

- (BOOL)shouldAutorotate {
    return NO;
}

#if __IPHONE_OS_VERSION_MAX_ALLOWED < __IPHONE_9_0
- (NSUInteger)supportedInterfaceOrientations
#else
- (UIInterfaceOrientationMask)supportedInterfaceOrientations
#endif
{
    return UIInterfaceOrientationMaskPortrait;
}

- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation {
    return UIInterfaceOrientationPortrait;
}

#pragma mark - RecorderPath Helper Method

- (NSString *)getRecorderPath {
    NSString *recorderPath = nil;
    recorderPath = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) objectAtIndex: 0];
    NSDate *now = [NSDate date];
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    [dateFormatter setDateFormat:@"yyyyMMddHHmmssSSS"];
    recorderPath = [recorderPath stringByAppendingFormat:@"%@-MySound.aac", [dateFormatter stringFromDate:now]];
    return recorderPath;
}



#pragma mark - Scroll Message TableView Helper Method

- (void)setTableViewInsetsWithBottomValue:(CGFloat)bottom {
    UIEdgeInsets insets = [self tableViewInsetsWithBottomValue:bottom];
    self.messageTableView.contentInset = insets;
    self.messageTableView.scrollIndicatorInsets = insets;
}

- (UIEdgeInsets)tableViewInsetsWithBottomValue:(CGFloat)bottom {
    UIEdgeInsets insets = UIEdgeInsetsZero;
    
    if ([self respondsToSelector:@selector(topLayoutGuide)]) {
        insets.top = 2;//self.topLayoutGuide.length;
    }
    
    insets.bottom = bottom;
    
    return insets;
}

#pragma mark - Message Calculate Cell Height

- (CGFloat)calculateCellHeightWithMessage:(id <DKMessageModel>)message atIndexPath:(NSIndexPath *)indexPath {
    CGFloat cellHeight = 0;
    
    
    cellHeight = [DKUITableViewCell calculateCellHeightWithMessage:message displaysTimestamp:NO];
    
    return cellHeight;
}

#pragma mark - Message Send helper Method


- (void)didSendMessageWithVoice:(NSString *)voicePath voiceDuration:(NSString*)voiceDuration {
    DLog(@"send voicePath : %@", voicePath);
    if ([self.delegate respondsToSelector:@selector(didSendVoice:voiceDuration:fromSender:onDate:)]) {
        [self.delegate didSendVoice:voicePath voiceDuration:voiceDuration fromSender:self.messageSender onDate:[NSDate date]];
    }
}

#pragma mark - Other Menu View Frame Helper Mehtod

- (void)layoutOtherMenuViewHiden:(BOOL)hide {
    // [self.messageInputView.inputTextView resignFirstResponder];
    [UIView animateWithDuration:0.2 delay:0 options:UIViewAnimationOptionCurveEaseInOut animations:^{
        __block CGRect inputViewFrame = self.messageInputView.frame;
        __block CGRect otherMenuViewFrame;
        
        void (^InputViewAnimation)(BOOL hide) = ^(BOOL hide) {
            inputViewFrame.origin.y = (hide ? (CGRectGetHeight(self.view.bounds) - CGRectGetHeight(inputViewFrame)) : (CGRectGetMinY(otherMenuViewFrame) - CGRectGetHeight(inputViewFrame)));
            self.messageInputView.frame = inputViewFrame;
        };
        
        
        
        InputViewAnimation(hide);
        
        [self setTableViewInsetsWithBottomValue:self.view.frame.size.height
         - self.messageInputView.frame.origin.y];
        
        [self scrollToBottomAnimated:NO];
    } completion:^(BOOL finished) {
        
    }];
}

#pragma mark - Voice Recording Helper Method

- (void)prepareRecordWithCompletion:(DKPrepareRecorderCompletion)completion {
    [self.voiceRecordHelper prepareRecordingWithPath:[self getRecorderPath] prepareRecorderCompletion:completion];
}

- (void)startRecord {
    [self.voiceRecordHUD startRecordingHUDAtView:self.view];
    [self.voiceRecordHelper startRecordingWithStartRecorderCompletion:^{
    }];
}

- (void)finishRecorded {
    WEAKSELF
    [self.voiceRecordHUD stopRecordCompled:^(BOOL fnished) {
        weakSelf.voiceRecordHUD = nil;
    }];
    [self.voiceRecordHelper stopRecordingWithStopRecorderCompletion:^{
        [weakSelf didSendMessageWithVoice:weakSelf.voiceRecordHelper.recordPath voiceDuration:weakSelf.voiceRecordHelper.recordDuration];
    }];
}

- (void)pauseRecord {
    [self.voiceRecordHUD pauseRecord];
}

- (void)resumeRecord {
    [self.voiceRecordHUD resaueRecord];
}

- (void)cancelRecord {
    WEAKSELF
    [self.voiceRecordHUD cancelRecordCompled:^(BOOL fnished) {
        weakSelf.voiceRecordHUD = nil;
    }];
    [self.voiceRecordHelper cancelledDeleteWithCompletion:^{
        
    }];
}

#pragma mark - DKMessageInputView Delegate

- (void)didChangeSendVoiceAction:(BOOL)changed {
    if (changed) {
        if (self.textViewInputViewType == DKInputViewTypeText)
            return;
        // 在这之前，textViewInputViewType已经不是DKTextViewTextInputType
        [self layoutOtherMenuViewHiden:YES];
    }
}
- (void)didCamera:(BOOL)flg {
    if ([self.delegate respondsToSelector:@selector(didCameraAction:)]) {
        [self.delegate didCameraAction:flg];
    }
}
- (void)didPhoto:(BOOL)flg {
    if ([self.delegate respondsToSelector:@selector(didPhotoAction:)]) {
        [self.delegate didPhotoAction:flg];
    }
    
}
- (void)didPosition:(BOOL)flg {
    if ([self.delegate respondsToSelector:@selector(didPostionAction:)]) {
        [self.delegate didPostionAction:flg];
    }
}

- (void)prepareRecordingVoiceActionWithCompletion:(BOOL (^)(void))completion {
    DLog(@"prepareRecordingWithCompletion");
    [self prepareRecordWithCompletion:completion];
}

- (void)didStartRecordingVoiceAction {
    DLog(@"didStartRecordingVoice");
    [self startRecord];
}

- (void)didCancelRecordingVoiceAction {
    DLog(@"didCancelRecordingVoice");
    [self cancelRecord];
}

- (void)didFinishRecoingVoiceAction {
    DLog(@"didFinishRecoingVoice");
    if (self.isMaxTimeStop == NO) {
        [self finishRecorded];
    } else {
        self.isMaxTimeStop = NO;
    }
}

- (void)didDragOutsideAction {
    DLog(@"didDragOutsideAction");
    [self resumeRecord];
}

- (void)didDragInsideAction {
    DLog(@"didDragInsideAction");
    [self pauseRecord];
}
- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {
    self.isUserScrolling = YES;
    
    UIMenuController *menu = [UIMenuController sharedMenuController];
    if (menu.isMenuVisible) {
        [menu setMenuVisible:NO animated:YES];
    }
    
    if (self.textViewInputViewType != DKInputViewTypeNormal) {
        [self layoutOtherMenuViewHiden:YES];
    }
}

- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate {
    self.isUserScrolling = NO;
}

#pragma mark - DKMessageTableViewController Delegate

- (BOOL)shouldPreventScrollToBottomWhileUserScrolling {
    return YES;
}

#pragma mark - DKMessageTableViewController DataSource

- (id <DKMessageModel>)messageForRowAtIndexPath:(NSIndexPath *)indexPath {
    return self.messages[indexPath.row];
}

#pragma mark - Table View Data Source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return self.messages.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    
    id <DKMessageModel> message = [self.dataSource messageForRowAtIndexPath:indexPath];
    
    // 如果需要定制复杂的业务UI，那么就实现该DataSource方法
    if ([self.dataSource respondsToSelector:@selector(tableView:cellForRowAtIndexPath:targetMessage:)]) {
        UITableViewCell *tableViewCell = [self.dataSource tableView:tableView cellForRowAtIndexPath:indexPath targetMessage:message];
        return tableViewCell;
    }
    
    BOOL displayTimestamp = NO;
    
    
    static NSString *cellIdentifier = @"DKUITableViewCell";
    
    DKUITableViewCell *messageTableViewCell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
    
    if (!messageTableViewCell) {
        messageTableViewCell = [[DKUITableViewCell alloc] initWithMessage:message displaysTimestamp:displayTimestamp reuseIdentifier:cellIdentifier];
        messageTableViewCell.delegate = self;
    }
    
    messageTableViewCell.indexPath = indexPath;
    [messageTableViewCell configureCellWithMessage:message displaysTimestamp:displayTimestamp];
    [messageTableViewCell setBackgroundColor:tableView.backgroundColor];
    
    
    return messageTableViewCell;
}

#pragma mark - Table View Delegate

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    id <DKMessageModel> messageModel = [self.dataSource messageForRowAtIndexPath:indexPath];
    
    CGFloat calculateCellHeight ;
    
    if ([self.delegate respondsToSelector:@selector(tableView:heightForRowAtIndexPath:targetMessage:)]) {
        calculateCellHeight = [self.delegate tableView:tableView heightForRowAtIndexPath:indexPath targetMessage:messageModel];
        
        //return calculateCellHeight;
    } else {
        calculateCellHeight = [self calculateCellHeightWithMessage:messageModel atIndexPath:indexPath];
    }
    
    return calculateCellHeight;
}



////////////////-----------

#pragma mark - DKMessageTableViewCell delegate

- (void)multiMediaMessageDidSelectedOnMessage:(id<DKMessageModel>)message atIndexPath:(NSIndexPath *)indexPath onMessageTableViewCell:(DKUITableViewCell *)messageTableViewCell {
    UIViewController *disPlayViewController;
    switch (message.messageMediaType) {
            
        case DKBubbleMessageMediaTypeVoice: {
            DLog(@"message : %@", message.voicePath);
            
            // Mark the voice as read and hide the red dot.
            message.isRead = YES;
            messageTableViewCell.messageBubbleView.voiceUnreadDotImageView.hidden = YES;
            
            [[DKAudioPlayerHelper shareInstance] setDelegate:(id<NSFileManagerDelegate>)self];
            if (_currentSelectedCell) {
                [_currentSelectedCell.messageBubbleView.animationVoiceImageView stopAnimating];
            }
            if (_currentSelectedCell == messageTableViewCell) {
                [messageTableViewCell.messageBubbleView.animationVoiceImageView stopAnimating];
                [[DKAudioPlayerHelper shareInstance] stopAudio];
                self.currentSelectedCell = nil;
            } else {
                self.currentSelectedCell = messageTableViewCell;
                [messageTableViewCell.messageBubbleView.animationVoiceImageView startAnimating];
                [[DKAudioPlayerHelper shareInstance] managerAudioWithFileName:message.voicePath toPlay:YES];
            }
            break;
        }
        default:
            break;
    }
    if (disPlayViewController) {
        [self.navigationController pushViewController:disPlayViewController animated:YES];
    }
}


#pragma mark - DKAudioPlayerHelper Delegate

- (void)didAudioPlayerStopPlay:(AVAudioPlayer *)audioPlayer {
    if (!_currentSelectedCell) {
        return;
    }
    [_currentSelectedCell.messageBubbleView.animationVoiceImageView stopAnimating];
    self.currentSelectedCell = nil;
}


#pragma mark - DKMessageTableViewController Delegate
/**
 *  发送语音消息的回调方法
 *
 *  @param voicePath        目标语音本地路径
 *  @param voiceDuration    目标语音时长
 *  @param sender           发送者的名字
 *  @param date             发送时间
 */
- (void)didSendVoice:(NSString *)voicePath voiceDuration:(NSString *)voiceDuration fromSender:(NSString *)sender onDate:(NSDate *)date {
    DKMessage *voiceMessage = [[DKMessage alloc] initWithVoicePath:voicePath voiceUrl:nil voiceDuration:voiceDuration sender:sender timestamp:date];
    //    voiceMessage.avatar = [UIImage imageNamed:@"avatar"];
    //    voiceMessage.avatarUrl = @"http://www.pailixiu.com/jack/meIcon@2x.png";
    //voiceMessage.bubbleMessageType=DKBubbleMessageTypeSending;
    [self addMessage:voiceMessage];
    //[self finishSendMessageWithBubbleMessageType:DKBubbleMessageMediaTypeVoice];
}






@end