From 57c8c45a4730fe7c980b8b7eadf94ca60b97db43 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Mon, 3 Feb 2014 16:51:47 +0400
Subject: Still fighting with scroll :(

---
 Juick/MessagesViewController.m | 94 +++++++++++++++++++++---------------------
 1 file changed, 47 insertions(+), 47 deletions(-)

(limited to 'Juick/MessagesViewController.m')

diff --git a/Juick/MessagesViewController.m b/Juick/MessagesViewController.m
index e8e02e1..7e3f01a 100644
--- a/Juick/MessagesViewController.m
+++ b/Juick/MessagesViewController.m
@@ -21,6 +21,10 @@
 
 static NSString *CellIdentifier = @"MessageCell";
 
+static NSMutableDictionary *heightsCache;
+
+
+
 @interface MessagesViewController ();
 
 @property(nonatomic, strong) NSMutableArray *messages;
@@ -37,20 +41,24 @@ static NSString *CellIdentifier = @"MessageCell";
     [self setPath:messagesPath];
     [self setParams:[[NSMutableDictionary alloc] initWithDictionary:params]];
     self.title = title;
-    [self refreshData:nil];
-}
-
-- (void) refreshData:(UIRefreshControl *)refresh {
-    [self.messages removeAllObjects];
-    [self.tableView reloadData];
+    __weak MessagesViewController * weakSelf = self;
+    [self.tableView addPullToRefreshWithActionHandler:^{
+        [weakSelf.messages removeAllObjects];
+        [weakSelf refreshData];
+    }];
+    [self.tableView addInfiniteScrollingWithActionHandler:^{
+        [weakSelf refreshData];
+    }];
+    [self.tableView triggerPullToRefresh];
+}
+
+- (void) refreshData {
     dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
         self.dataLoading = YES;
         [Message pullNextFromPath:self.path params:self.params callback:^(NSArray *next) {
-                [self.messages addObjectsFromArray:next];
-                [self.tableView reloadData];
-                [refresh endRefreshing];
-                self.dataLoading = NO;
-            
+            [self.messages addObjectsFromArray:next];
+            [self.tableView performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:NO];
+            self.dataLoading = NO;
         }];
     });
 }
@@ -60,43 +68,13 @@ static NSString *CellIdentifier = @"MessageCell";
     return UIStatusBarStyleLightContent;
 }
 
-- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
-    if ([self.path isEqualToString:[Message threadUrl]]) {
-        return;
-    }
-    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;
-            if (self.params == nil) {
-                self.params = [[NSMutableDictionary alloc] init];
-            }
-            
-            Message * lastMessage = [self.messages lastObject];
-            if (lastMessage != nil) {
-                [self.params setObject:lastMessage.MID forKey:@"before_mid"];
-            }
-            [Message pullNextFromPath:self.path params:self.params callback:^(NSArray *next) {
-                    [self.messages addObjectsFromArray:next];
-                    [self.tableView reloadData];
-                    self.dataLoading = NO;
-                
-            }];
-        });
-        
-    }
-}
-
 - (void)viewDidLoad
 {
     [super viewDidLoad];
     self.dataLoading = NO;
     [self.view setBackgroundColor:[ColorScheme mainBackground]];
     self.messages = [NSMutableArray array];
-    UIRefreshControl *refresh = [[UIRefreshControl alloc] init];
-    [refresh addTarget:self action:@selector(refreshData:) forControlEvents:UIControlEventValueChanged];
-    self.refreshControl = refresh;
+    
     SWRevealViewController *revealController = [self revealViewController];
     if (revealController) {
         // TODO: add to thread view too
@@ -106,7 +84,8 @@ static NSString *CellIdentifier = @"MessageCell";
         self.navigationController.navigationBar.tintColor = [ColorScheme navbarBackground];
     }
 
-    [self.tableView registerClass:[MessageCell class] forCellReuseIdentifier:CellIdentifier];    
+    [self.tableView registerClass:[MessageCell class] forCellReuseIdentifier:CellIdentifier];
+    heightsCache = [[NSMutableDictionary alloc] init];
 }
 
 - (void) composePressed {
@@ -164,16 +143,37 @@ static NSString *CellIdentifier = @"MessageCell";
     [cell updateFonts];
     Message *msg = [_messages objectAtIndex:indexPath.row];
     [cell setMessage:msg];
+    if ([msg.attach length] > 0) {
+        SDWebImageManager * manager = [SDWebImageManager sharedManager];
+        [manager downloadWithURL:[NSURL URLWithString:msg.attach] options:SDWebImageContinueInBackground progress:^(NSUInteger receivedSize, long long expectedSize) {
+            //  <#code#>
+        } completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished) {
+            [cell.attach setImage:[UIImage imageWithImage:image convertToWidth:300.0f]];
+            [heightsCache setObject:[NSNumber numberWithFloat:[cell heightForCell]] forKey:[NSString stringWithFormat:@"%@#%@", msg.MID, msg.RID]];
+            [tableView beginUpdates];
+            [tableView reloadRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationNone];
+            [tableView endUpdates];
+            
+        }];
+    } else {
+        cell.attach.image = nil;
+    }
+    
     return cell;
 }
 
 - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
 {
-    MessageCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
-    [cell updateFonts];
     Message *msg = [_messages objectAtIndex:indexPath.row];
-    [cell setMessage:msg];
-    return [cell heightForCell];
+    float height = [[heightsCache objectForKey:[NSString stringWithFormat:@"%@#%@", msg.MID, msg.RID]] floatValue];
+    if (height > 0) {
+        return height;
+    } else {
+        MessageCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
+        [cell updateFonts];
+        [cell setMessage:msg];
+        return [cell heightForCell];
+    }
 }
 
 - (CGFloat)tableView:(UITableView *)tableView estimatedHeightForRowAtIndexPath:(NSIndexPath *)indexPath
-- 
cgit v1.2.3