JSQMessagesCollectionViewDelegateFlowLayout.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;
@class JSQMessagesCollectionViewFlowLayout;
@class JSQMessagesCollectionViewCell;
@class JSQMessagesLoadEarlierHeaderView;


@protocol JSQMessagesCollectionViewDelegateFlowLayout <UICollectionViewDelegateFlowLayout>

@optional

- (CGFloat)collectionView:(JSQMessagesCollectionView *)collectionView
                   layout:(JSQMessagesCollectionViewFlowLayout *)collectionViewLayout heightForCellTopLabelAtIndexPath:(NSIndexPath *)indexPath;

- (CGFloat)collectionView:(JSQMessagesCollectionView *)collectionView
                   layout:(JSQMessagesCollectionViewFlowLayout *)collectionViewLayout heightForMessageBubbleTopLabelAtIndexPath:(NSIndexPath *)indexPath;

- (CGFloat)collectionView:(JSQMessagesCollectionView *)collectionView
                   layout:(JSQMessagesCollectionViewFlowLayout *)collectionViewLayout heightForCellBottomLabelAtIndexPath:(NSIndexPath *)indexPath;

- (void)collectionView:(JSQMessagesCollectionView *)collectionView didTapAvatarImageView:(UIImageView *)avatarImageView atIndexPath:(NSIndexPath *)indexPath;

- (void)collectionView:(JSQMessagesCollectionView *)collectionView didTapMessageBubbleAtIndexPath:(NSIndexPath *)indexPath;
- (void)collectionView:(JSQMessagesCollectionView *)collectionView didLongTapMessageBubbleAtIndexPath:(NSIndexPath *)indexPath;

- (void)collectionView:(JSQMessagesCollectionView *)collectionView didTapCellAtIndexPath:(NSIndexPath *)indexPath touchLocation:(CGPoint)touchLocation;

- (void)collectionView:(JSQMessagesCollectionView *)collectionView
                header:(JSQMessagesLoadEarlierHeaderView *)headerView didTapLoadEarlierMessagesButton:(UIButton *)sender;

@end