MessageCollectionDelegate Protocol Reference


                    
                    
                    messageCollection(_:context:channel:addedMessages:)

Invoked when the messages are added.

Declaration

Swift

@objc
optional func messageCollection(
    _ collection: MessageCollection,
    context: MessageContext,
    channel: GroupChannel,
    addedMessages: [BaseMessage]
)

Parameters

`collection`	Message collection object.
`context`	The reason why the messages are added.
`channel`	The channel that has the messages.
`addedMessages`	Messages to be added.


                    
                    
                    messageCollection(_:context:channel:updatedMessages:)

Invoked when the message are updated.

Declaration

Swift

@objc
optional func messageCollection(
    _ collection: MessageCollection,
    context: MessageContext,
    channel: GroupChannel,
    updatedMessages: [BaseMessage]
)

Parameters

`collection`	Message collection object.
`context`	The reason why the messages are updated.
`channel`	The channel that has the messages.
`updatedMessages`	Messages to be updated.


                    
                    
                    messageCollection(_:context:channel:deletedMessages:)

Invoked when the message are deleted.

Declaration

Swift

@objc
optional func messageCollection(
    _ collection: MessageCollection,
    context: MessageContext,
    channel: GroupChannel,
    deletedMessages: [BaseMessage]
)

Parameters

`collection`	Message collection object.
`context`	The reason why the messages are deleted.
`channel`	The channel that has the messages.
`deletedMessages`	Messages to be deleted.


                    
                    
                    messageCollection(_:context:updatedChannel:)

Invoked when the channel that has the message collection is changed.

Declaration

Swift

@objc
optional func messageCollection(
    _ collection: MessageCollection,
    context: MessageContext,
    updatedChannel: GroupChannel
)

Parameters

`collection`	Message collection object.
`context`	The reason why the channel are changed.
`updatedChannel`	The channel that has the message collection has.


                    
                    
                    messageCollection(_:context:deletedChannel:)

Invoked when the channel that has the message collection is deleted.

Declaration

Swift

@objc
optional func messageCollection(
    _ collection: MessageCollection,
    context: MessageContext,
    deletedChannel channelURL: String
)

Parameters

`collection`	Message collection object.
`context`	The reason why the channel are deleted.
`channelURL`	Channel URL that has been deleted.


                    
                    
                    didDetectHugeGap(_:)

Invoked when the huge gap has been detected.

Declaration

Swift

@objc
optional func didDetectHugeGap(_ collection: MessageCollection)

Parameters


                                collection

Message collection object.