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//
// MasterViewController.m
// Juick
//
// Created by Vitaly Takmazov on 26.10.13.
// Copyright (c) 2013 com.juick. All rights reserved.
//
#import "SWRevealViewController.h"
#import "MessagesViewController.h"
#import "MessageCell.h"
#import "Message.h"
#import "ColorsAndButtons.h"
#import "NewPostViewController.h"
#import "NSURL+PathParameters.h"
#import "UIImage+Helpers.h"
static NSString *CellIdentifier = @"MessageCell";
@interface MessagesViewController ();
@property(nonatomic, strong) NSMutableArray *messages;
@property(nonatomic, assign) Boolean dataLoading;
@property(nonatomic, strong) NSURL *url;
@end
@implementation MessagesViewController
- (void)loadFromURL:(NSURL *)messagesURL withTitle:(NSString *)title
{
[self setUrl:messagesURL];
self.title = title;
[self refreshData:nil];
}
- (void) refreshData:(UIRefreshControl *)refresh {
[self.messages removeAllObjects];
[self.tableView reloadData];
[Message pullNextFromURL:self.url callback:^(NSArray *next) {
[self.tableView beginUpdates];
CGPoint offset = self.tableView.contentOffset;
for (int i = 0; i < [next count]; i++) {
[self.messages addObject:[next objectAtIndex:i]];
[self.tableView insertRowsAtIndexPaths:@[[NSIndexPath indexPathForRow:self.messages.count-1 inSection:0]] withRowAnimation:UITableViewRowAnimationNone];
}
[self.tableView setContentOffset:offset animated:NO];
[self.tableView endUpdates];
[refresh endRefreshing];
}];
}
- (UIStatusBarStyle)preferredStatusBarStyle
{
return UIStatusBarStyleLightContent;
}
- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
CGPoint pos = scrollView.contentOffset;
CGFloat contentHeight = scrollView.contentSize.height - scrollView.contentSize.height / 3;
if (pos.y >= contentHeight && !self.dataLoading) {
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
self.dataLoading = YES;
Message * lastMessage = [self.messages lastObject];
NSURL *beforeUrl = [self.url URLByAppendingParameters:[NSDictionary dictionaryWithObjectsAndKeys:lastMessage.MID, @"before_mid", nil]];
[Message pullNextFromURL:beforeUrl callback:^(NSArray *next) {
[self.tableView beginUpdates];
for (int i = 0; i < [next count]; i++) {
[self.messages addObject:[next objectAtIndex:i]];
[self.tableView insertRowsAtIndexPaths:@[[NSIndexPath indexPathForRow:self.messages.count-1 inSection:0]] withRowAnimation:UITableViewRowAnimationNone];
}
[self.tableView setContentOffset:pos animated:NO];
[self.tableView endUpdates];
self.dataLoading = NO;
}];
});
}
}
- (void)viewDidLoad
{
[super viewDidLoad];
self.dataLoading = NO;
[self.view setBackgroundColor:[ColorsAndButtons mainBackground]];
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) {
SWRevealViewController *revealController = [self revealViewController];
[self.navigationController.navigationBar addGestureRecognizer:revealController.panGestureRecognizer];
UIBarButtonItem *revealButtonItem = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"reveal-icon.png"]
style:UIBarButtonItemStyleBordered target:revealController action:@selector(revealToggle:)];
self.navigationItem.leftBarButtonItem = revealButtonItem;
UIBarButtonItem *compose = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCompose
target:self action:@selector(composePressed)];
self.navigationItem.rightBarButtonItem = compose;
}
self.messages = [NSMutableArray array];
UIRefreshControl *refresh = [[UIRefreshControl alloc] init];
[refresh addTarget:self action:@selector(refreshData:) forControlEvents:UIControlEventValueChanged];
self.refreshControl = refresh;
//UINib *cellNib = [UINib nibWithNibName:@"MessageCell" bundle:nil];
//[self.tableView registerNib:cellNib forCellReuseIdentifier:@"MessageCell"];
[self.tableView registerClass:[MessageCell class] forCellReuseIdentifier:CellIdentifier];
[self loadFromURL:[NSURL URLWithString:@"https://api.juick.com/messages"] withTitle:@"Discover"];
}
- (void) composePressed {
[self.navigationController pushViewController:[[NewPostViewController alloc] init] animated:YES];
}
- (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:animated];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(contentSizeCategoryChanged:)
name:UIContentSizeCategoryDidChangeNotification
object:nil];
}
- (void)viewDidDisappear:(BOOL)animated
{
[super viewDidDisappear:animated];
[[NSNotificationCenter defaultCenter] removeObserver:self
name:UIContentSizeCategoryDidChangeNotification
object:nil];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (void)contentSizeCategoryChanged:(NSNotification *)notification
{
[self.tableView reloadData];
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return _messages.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
MessageCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier forIndexPath:indexPath];
[cell updateFonts];
Message *msg = [_messages objectAtIndex:indexPath.row];
[UIImage loadFromURL:[NSURL URLWithString:[NSString stringWithFormat:@"http://i.juick.com/as/%@.png", msg.userID]] callback:^(UIImage *image) {
[cell.avatar setImage:image];
}];
cell.titleLabel.text = msg.user;
cell.titleLabel.textColor = [ColorsAndButtons linkColor];
cell.bodyLabel.text = [msg.text stringByDecodingHTMLEntities];
if ([msg.tags count] > 0) {
cell.bodyLabel.text = [[NSString alloc] initWithFormat:@"%@\n%@", [msg.tags componentsJoinedByString:@", "],
[msg.text stringByDecodingHTMLEntities]];
}
[cell setBackgroundColor:[UIColor whiteColor]];
[cell setNeedsUpdateConstraints];
return cell;
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
MessageCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
[cell updateFonts];
Message *msg = [_messages objectAtIndex:indexPath.row];
[UIImage loadFromURL:[NSURL URLWithString:[NSString stringWithFormat:@"http://i.juick.com/as/%@.png", msg.userID]] callback:^(UIImage *image) {
[cell.avatar setImage:image];
}];
cell.titleLabel.text = msg.user;
cell.bodyLabel.text = [msg.text stringByDecodingHTMLEntities];
if ([msg.tags count] > 0) {
cell.bodyLabel.text = [[NSString alloc] initWithFormat:@"%@\n%@", [msg.tags componentsJoinedByString:@", "],
[msg.text stringByDecodingHTMLEntities]];
}
cell.bodyLabel.preferredMaxLayoutWidth = tableView.bounds.size.width - (kLabelHorizontalInsets * 2.0f);
[cell setNeedsUpdateConstraints];
[cell updateConstraintsIfNeeded];
[cell.contentView setNeedsLayout];
[cell.contentView layoutIfNeeded];
CGFloat height = [cell.contentView systemLayoutSizeFittingSize:UILayoutFittingCompressedSize].height;
return height;
}
- (CGFloat)tableView:(UITableView *)tableView estimatedHeightForRowAtIndexPath:(NSIndexPath *)indexPath
{
return 100.0f;
}
-(void)splitViewController:(UISplitViewController *)svc willShowViewController:(UIViewController *)aViewController invalidatingBarButtonItem:(UIBarButtonItem *)barButtonItem {
self.navigationItem.leftBarButtonItem = nil;
}
-(void)splitViewController:(UISplitViewController *)svc willHideViewController:(UIViewController *)aViewController withBarButtonItem:(UIBarButtonItem *)barButtonItem forPopoverController:(UIPopoverController *)pc {
self.navigationItem.leftBarButtonItem = barButtonItem;
}
@end
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