MessagesTableViewController/MessagesDemo/DemoViewController.m

//
//  DemoViewController.m
//
//  Created by Jesse Squires on 2/12/13.
//  Copyright (c) 2013 Hexed Bits. All rights reserved.
//
//  http://www.hexedbits.com
//
//
//  The MIT License
//  Copyright (c) 2013 Jesse Squires
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
//  associated documentation files (the "Software"), to deal in the Software without restriction, including
//  without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the
//  following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
//  LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
//  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
//  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
//  OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

#import "DemoViewController.h"

@interface DemoViewController ()
@end



@implementation DemoViewController

#pragma mark - Initialization
- (UIButton *)sendButton
{
    // Override to use a custom send button
    // The button's frame is set automatically for you
    return [UIButton defaultSendButton];
}

#pragma mark - View lifecycle
- (void)viewDidLoad
{
    [super viewDidLoad];
    self.delegate = self;
    self.dataSource = self;
    
    self.title = @"Messages";
    
    self.messages = [[NSMutableArray alloc] initWithObjects:
                     @"Testing some messages here.",
                     @"This work is based on Sam Soffes' SSMessagesViewController.",
                     @"This is a complete re-write and refactoring.",
                     @"It's easy to implement. Sound effects and images included. Animations are smooth and messages can be of arbitrary size!",
                     nil];
    
    self.timestamps = [[NSMutableArray alloc] initWithObjects:
                       [NSDate distantPast],
                       [NSDate distantPast],
                       [NSDate distantPast],
                       [NSDate date],
                       nil];
}

#pragma mark - Table view data source
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return self.messages.count;
}

#pragma mark - Messages view delegate
- (void)sendPressed:(UIButton *)sender withText:(NSString *)text
{
    [self.messages addObject:text];
    
    [self.timestamps addObject:[NSDate date]];
    
    if((self.messages.count - 1) % 2)
        [JSMessageSoundEffect playMessageSentSound];
    else
        [JSMessageSoundEffect playMessageReceivedSound];
    
    [self finishSend];
}

- (JSBubbleMessageStyle)messageStyleForRowAtIndexPath:(NSIndexPath *)indexPath
{
    return (indexPath.row % 2) ? JSBubbleMessageStyleIncomingDefault : JSBubbleMessageStyleOutgoingDefault;
}

- (JSMessagesViewTimestampPolicy)timestampPolicyForMessagesView
{
    return JSMessagesViewTimestampPolicyEveryThree;
}

- (BOOL)hasTimestampForRowAtIndexPath:(NSIndexPath *)indexPath
{
    // custom implementation here, if using `JSMessagesViewTimestampPolicyCustom`
    return [self shouldHaveTimestampForRowAtIndexPath:indexPath];
}

- (BOOL)hasPhotoForRowAtIndexPath:(NSIndexPath *)indexPath{
    return indexPath.row % 2;
}

#pragma mark - Messages view data source
- (NSString *)textForRowAtIndexPath:(NSIndexPath *)indexPath
{
    return [self.messages objectAtIndex:indexPath.row];
}

- (NSDate *)timestampForRowAtIndexPath:(NSIndexPath *)indexPath
{
    return [self.timestamps objectAtIndex:indexPath.row];
}

- (void)goCrazyWithYourAvatarImageView:(UIImageView *)avatarView forRowAtIndexPath:(NSIndexPath *)indexPath{
    avatarView.image = [UIImage imageNamed:@"DemoAvatarExample"];
    // You can use SDWebImage or AFNetworking for Remote Image loading here.
}

@end