61 lines
1.3 KiB
Objective-C
61 lines
1.3 KiB
Objective-C
//
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// NIMMessageReceipt.h
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// NIMLib
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//
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// Created by Netease.
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// Copyright © 2016 Netease. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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@class NIMSession;
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@class NIMMessage;
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@class NIMTeamMessageReceipt;
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/**
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* 已读回执
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*/
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@interface NIMMessageReceipt : NSObject
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/**
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* 已读回执对应的会话
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*/
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@property (nullable,nonatomic,copy,readonly) NIMSession *session;
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/**
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* 时间戳
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* @discussion 发送已读回执时,这个字段需要被设置为当前会话中的最后一条消息时间戳
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* 接受已读回执时,这个字段表示在这个时间戳之前的消息都已读
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* 此字段支持 P2P 会话类型
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*/
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@property (nonatomic,assign,readonly) NSTimeInterval timestamp;
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/**
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* 消息 Id
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* @discussion 只有 Team 会话有效，表示已读的这条消息的 Id
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*/
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@property (nonatomic,copy,readonly) NSString *messageId;
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/**
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* 群已读回执相关信息
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*/
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@property (nonatomic,strong,readonly) NIMTeamMessageReceipt *teamReceiptInfo;
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/**
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* 通过最后一条消息构造已读回执
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*
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* @param message 会话中的最后一条消息
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*
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* @return 已读回执实例
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*/
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- (instancetype)initWithMessage:(NIMMessage *)message;
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@end
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NS_ASSUME_NONNULL_END
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