whose_ios/NIMDemo/NIMDemo/Classes/Sections/Session/Model/Object/NTESShareAttachment.m

//
//  NTESShareAttachment.m
//  NIMDemo
//
//  Created by Fenix Wang on 2017/8/9.
//  Copyright © 2017年 Netease. All rights reserved.
//

#import "NTESShareAttachment.h"
#import "UIView+NTES.h"

@implementation NTESShareAttachment

- (NSString *)encodeAttachment
{
    NSDictionary *dict = @{CMType : @(CustomMessageTypeShare),
                           CMData : @{CMValue:self.info,
                                      CMURL:self.thumb,
                                      @"tradeId":self.tradeId}};
    NSData *data = [NSJSONSerialization dataWithJSONObject:dict
                                                   options:0
                                                     error:nil];
    NSString *content = nil;
    if (data) {
        content = [[NSString alloc] initWithData:data
                                        encoding:NSUTF8StringEncoding];
    }
    return content;
}


- (NSString *)cellContent:(NIMMessage *)message{
    return @"NTESSessionShareContentView";
}


- (CGSize)contentSize:(NIMMessage *)message cellWidth:(CGFloat)width{
    
    float imageWidth = 80 + 5 * 2;
    self.showTextView.width = width - 80 - imageWidth;
    [self.showTextView sizeToFit];
    CGSize size = self.showTextView.contentSize;
    size.width += imageWidth;
    size.height = MAX(size.height, imageWidth);
    return size;
}

- (UIEdgeInsets)contentViewInsets:(NIMMessage *)message
{
    if (message.session.sessionType == NIMSessionTypeChatroom)
    {
        CGFloat bubbleMarginTopForImage  = 15.f;
        CGFloat bubbleMarginLeftForImage = 12.f;
        return  UIEdgeInsetsMake(bubbleMarginTopForImage,bubbleMarginLeftForImage,0,0);
    }
    else
    {
        CGFloat bubbleMarginForImage    = 3.f;
        CGFloat bubbleArrowWidthForImage = 5.f;
        if (message.isOutgoingMsg) {
            return  UIEdgeInsetsMake(bubbleMarginForImage,bubbleMarginForImage,bubbleMarginForImage,bubbleMarginForImage + bubbleArrowWidthForImage);
        }else{
            return  UIEdgeInsetsMake(bubbleMarginForImage,bubbleMarginForImage + bubbleArrowWidthForImage, bubbleMarginForImage,bubbleMarginForImage);
        }
    }
}

- (UITextView *)showTextView
{
    if (_showTextView == nil)
    {
        _showTextView = [[UITextView alloc] init];
        _showTextView.font = [UIFont systemFontOfSize:15];
        _showTextView.text = self.info;
    }
    return _showTextView;
}

@end