From 842990ac65de6fd61e027c8a9cff48d30aaf3a60 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Tue, 16 Oct 2018 23:04:01 +0300
Subject: Content loading

---
 Juick/ViewControllers/DiscoverViewController.m | 10 ++++---
 Juick/ViewControllers/MessagesViewController.m | 37 +++++++++++++++++---------
 2 files changed, 32 insertions(+), 15 deletions(-)

(limited to 'Juick/ViewControllers')

diff --git a/Juick/ViewControllers/DiscoverViewController.m b/Juick/ViewControllers/DiscoverViewController.m
index 67036c6..b09e1df 100644
--- a/Juick/ViewControllers/DiscoverViewController.m
+++ b/Juick/ViewControllers/DiscoverViewController.m
@@ -56,9 +56,13 @@
     [self performSegueWithIdentifier:@"threadViewSegue" sender:cell];
 }
 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
-    MessageCell *cell = (MessageCell *)[super tableView:tableView cellForRowAtIndexPath:indexPath];
-    cell.delegate = self;
-    return cell;
+    if (!self.dataLoading) {
+        MessageCell *cell = (MessageCell *)[super tableView:tableView cellForRowAtIndexPath:indexPath];
+        cell.delegate = self;
+        return cell;
+    } else {
+        return [super tableView:tableView cellForRowAtIndexPath:indexPath];
+    }
 }
 
 -(void)avatarClicked:(NSString *)uname {
diff --git a/Juick/ViewControllers/MessagesViewController.m b/Juick/ViewControllers/MessagesViewController.m
index 957fce5..3fa6642 100644
--- a/Juick/ViewControllers/MessagesViewController.m
+++ b/Juick/ViewControllers/MessagesViewController.m
@@ -29,6 +29,9 @@
 
 -(void) refreshData:(BOOL)scrollToBottom {
     self.dataLoading = YES;
+    if (self.messages.count == 0) {
+        [self.tableView reloadData];
+    }
     [[APIClient sharedClient] pullNextFromPath:self.path params:self.params callback:^(NSArray *next, NSError *err) {
         NSArray *newMsgs = next;
         if ([self isAtTop:self.params]) {
@@ -47,16 +50,19 @@
                 }
             }
         }
+        self.dataLoading = NO;
+        if (self.messages.count == 0) {
+            [self.tableView reloadData];
+        }
         [self.messages addObjectsFromArray:newMsgs];
         NSMutableArray *indexPaths = [NSMutableArray new];
         for (NSUInteger index = oldCount; index <= oldCount + [newMsgs count] - 1; index++) {
             [indexPaths addObject:[NSIndexPath indexPathForRow:index inSection: 0]];
         }
         [self.tableView beginUpdates];
-        [self.tableView insertRowsAtIndexPaths:indexPaths withRowAnimation:YES];
+        [self.tableView insertRowsAtIndexPaths:indexPaths withRowAnimation:NO];
         [self.tableView endUpdates];
         [self.refreshControl endRefreshing];
-        self.dataLoading = NO;
         if (scrollToBottom) {
             NSIndexPath *lastRow = [NSIndexPath indexPathForRow:self.messages.count - 1 inSection:0];
             [self.tableView scrollToRowAtIndexPath:lastRow atScrollPosition:UITableViewScrollPositionBottom animated:NO];
@@ -75,16 +81,15 @@
 
 - (void)viewDidLoad
 {
-    [super viewDidLoad];
-    
-    self.dataLoading = NO;
+    self.dataLoading = YES;
     [self.view setBackgroundColor:[ColorScheme mainBackground]];
     [self.tableView registerNib:[UINib nibWithNibName:@"MessageCell" bundle:[NSBundle mainBundle]] forCellReuseIdentifier:@"messageCell"];
+    [self.tableView registerNib:[UINib nibWithNibName:@"ContentLoadingCell" bundle:[NSBundle mainBundle]] forCellReuseIdentifier:@"contentLoadingCell"];
     self.tableView.rowHeight = UITableViewAutomaticDimension;
     self.tableView.estimatedRowHeight = 500.0f;
     self.messages = [NSMutableArray array];
     self.refreshControl = [UIRefreshControl new];
-    [self.refreshControl addTarget:self action:@selector(refreshData) forControlEvents:UIControlEventValueChanged];    
+    [self.refreshControl addTarget:self action:@selector(refreshData) forControlEvents:UIControlEventValueChanged];
 }
 
 - (void) composePressed {
@@ -96,15 +101,23 @@
 }
 
 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
-    return self.messages.count;
+    return self.dataLoading && self.messages.count == 0 ? 4 : self.messages.count;
 }
 
 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
-    Message *msg = [self.messages objectAtIndex:indexPath.row];
-    NSString * cellIdentifier = @"messageCell";
-    MessageCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier forIndexPath:indexPath];
-    [cell configureWithMessage:msg];
-    return cell;
+    if (self.dataLoading && self.messages.count == 0) {
+        return [tableView dequeueReusableCellWithIdentifier:@"contentLoadingCell"];
+    } else {
+        Message *msg = [self.messages objectAtIndex:indexPath.row];
+        NSString * cellIdentifier = @"messageCell";
+        MessageCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier forIndexPath:indexPath];
+        [cell configureWithMessage:msg];
+        return cell;
+    }
+}
+
+- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
+    return self.dataLoading && self.messages.count == 0 ? 200.0f : [super tableView:tableView heightForRowAtIndexPath:indexPath];
 }
 
 -(void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView_ {
-- 
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