MessagesDataSource Protocol Reference


                    
                    
                    currentSender()

The Sender of new messages in the MessagesCollectionView.

Declaration

Swift

func currentSender() -> Sender


                    
                    
                    isFromCurrentSender(message:)

Default implementation

A helper method to determine if a given message is from the current Sender.

Note

The default implementation of this method checks for equality between the message’s Sender and the current Sender.

Default Implementation

Declaration

Swift

func isFromCurrentSender(message: MessageType) -> Bool

Parameters


                                message

The message to check if it was sent by the current Sender.


                    
                    
                    messageForItem(at:in:)

The message to be used for a MessageCollectionViewCell at the given IndexPath.

Declaration

Swift

func messageForItem(at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> MessageType

Parameters

`indexPath`	The `IndexPath` of the cell.
`messagesCollectionView`	The `MessagesCollectionView` in which the message will be displayed.


                    
                    
                    numberOfSections(in:)

The number of sections to be displayed in the MessagesCollectionView.

Declaration

Swift

func numberOfSections(in messagesCollectionView: MessagesCollectionView) -> Int

Parameters


                                messagesCollectionView

The MessagesCollectionView in which the messages will be displayed.


                    
                    
                    numberOfItems(inSection:in:)

Default implementation

The number of cells to be displayed in the MessagesCollectionView.

Note

The default implementation of this method returns 1. Putting each message in its own section.

Default Implementation

Declaration

Swift

func numberOfItems(inSection section: Int, in messagesCollectionView: MessagesCollectionView) -> Int

Parameters

`section`	The number of the section in which the cells will be displayed.
`messagesCollectionView`	The `MessagesCollectionView` in which the messages will be displayed.


                    
                    
                    cellTopLabelAttributedText(for:at:)

Default implementation

The attributed text to be used for cell’s top label.

The default value returned by this method is nil.

Default Implementation

Declaration

Swift

func cellTopLabelAttributedText(for message: MessageType, at indexPath: IndexPath) -> NSAttributedString?

Parameters

`message`	The `MessageType` that will be displayed by this cell.
`indexPath`	The `IndexPath` of the cell.
`messagesCollectionView`	The `MessagesCollectionView` in which this cell will be displayed.


                    
                    
                    messageTopLabelAttributedText(for:at:)

Default implementation

The attributed text to be used for message bubble’s top label.

The default value returned by this method is nil.

Default Implementation

Declaration

Swift

func messageTopLabelAttributedText(for message: MessageType, at indexPath: IndexPath) -> NSAttributedString?

Parameters

`message`	The `MessageType` that will be displayed by this cell.
`indexPath`	The `IndexPath` of the cell.
`messagesCollectionView`	The `MessagesCollectionView` in which this cell will be displayed.


                    
                    
                    messageBottomLabelAttributedText(for:at:)

Default implementation

The attributed text to be used for cell’s bottom label.

The default value returned by this method is nil.

Default Implementation

Declaration

Swift

func messageBottomLabelAttributedText(for message: MessageType, at indexPath: IndexPath) -> NSAttributedString?

Parameters

`message`	The `MessageType` that will be displayed by this cell.
`indexPath`	The `IndexPath` of the cell.
`messagesCollectionView`	The `MessagesCollectionView` in which this cell will be displayed.