JSQMessagesCollectionViewDataSource.h

//
//  Created by Jesse Squires
//  http://www.jessesquires.com
//
//
//  Documentation
//  http://cocoadocs.org/docsets/JSQMessagesViewController
//
//
//  GitHub
//  https://github.com/jessesquires/JSQMessagesViewController
//
//
//  License
//  Copyright (c) 2014 Jesse Squires
//  Released under an MIT license: http://opensource.org/licenses/MIT
//

#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>

@class JSQMessagesCollectionView;
@protocol JSQMessageData;
@protocol JSQMessageBubbleImageDataSource;
@protocol JSQMessageAvatarImageDataSource;


@protocol JSQMessagesCollectionViewDataSource <UICollectionViewDataSource>

@required

- (NSString *)senderDisplayName;

- (NSString *)senderId;

- (id<JSQMessageData>)collectionView:(JSQMessagesCollectionView *)collectionView messageDataForItemAtIndexPath:(NSIndexPath *)indexPath;

- (id<JSQMessageBubbleImageDataSource>)collectionView:(JSQMessagesCollectionView *)collectionView messageBubbleImageDataForItemAtIndexPath:(NSIndexPath *)indexPath;

- (id<JSQMessageAvatarImageDataSource>)collectionView:(JSQMessagesCollectionView *)collectionView avatarImageDataForItemAtIndexPath:(NSIndexPath *)indexPath;

@optional

- (NSAttributedString *)collectionView:(JSQMessagesCollectionView *)collectionView attributedTextForCellTopLabelAtIndexPath:(NSIndexPath *)indexPath;

- (NSAttributedString *)collectionView:(JSQMessagesCollectionView *)collectionView attributedTextForMessageBubbleTopLabelAtIndexPath:(NSIndexPath *)indexPath;

- (NSAttributedString *)collectionView:(JSQMessagesCollectionView *)collectionView attributedTextForCellBottomLabelAtIndexPath:(NSIndexPath *)indexPath;

@end