NewsBlur/clients/ios/Classes/StoryDetailViewController.m

//
//  StoryDetailViewController.m
//  NewsBlur
//
//  Created by Samuel Clay on 6/24/10.
//  Copyright 2010 __MyCompanyName__. All rights reserved.
//

#import <AVFoundation/AVFoundation.h>
#import "StoryDetailViewController.h"
#import "NewsBlurAppDelegate.h"
#import "NewsBlurViewController.h"
#import "FeedDetailViewController.h"
#import "FontSettingsViewController.h"
#import "UserProfileViewController.h"
#import "ShareViewController.h"
#import "StoryPageControl.h"
#import "ASIHTTPRequest.h"
#import "ASIFormDataRequest.h"
#import "AFImageRequestOperation.h"
#import "Base64.h"
#import "Utilities.h"
#import "NSString+HTML.h"
#import "NBContainerViewController.h"
#import "DataUtilities.h"
#import "JSON.h"
#import "StringHelper.h"
#import "StoriesCollection.h"
#import "UIWebView+Offsets.h"
#import "UIViewController+OSKUtilities.h"
#import "UIView+ViewController.h"

@implementation StoryDetailViewController

@synthesize appDelegate;
@synthesize activeStoryId;
@synthesize activeStory;
@synthesize innerView;
@synthesize webView;
@synthesize feedTitleGradient;
@synthesize noStoryMessage;
@synthesize pullingScrollview;
@synthesize pageIndex;
@synthesize storyHUD;
@synthesize inTextView;
@synthesize isRecentlyUnread;


#pragma mark -
#pragma mark View boilerplate

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
	
    if ((self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil])) {
    }
    return self;
}


- (NSString *)description {
    NSString *page = appDelegate.storyPageControl.currentPage == self ? @"currentPage" : appDelegate.storyPageControl.previousPage == self ? @"previousPage" : appDelegate.storyPageControl.nextPage == self ? @"nextPage" : @"unattached page";
    return [NSString stringWithFormat:@"%@", page];
}

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.view.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
    
    AVAudioSession *audioSession = [AVAudioSession sharedInstance];
    [audioSession setCategory:AVAudioSessionCategoryPlayback
                        error:nil];
    
    self.webView.scalesPageToFit = YES;
//    self.webView.multipleTouchEnabled = NO;
    
    [self.webView.scrollView setDelaysContentTouches:NO];
    [self.webView.scrollView setDecelerationRate:UIScrollViewDecelerationRateNormal];
    
    [self.webView.scrollView addObserver:self forKeyPath:@"contentOffset"
                                 options:NSKeyValueObservingOptionNew | NSKeyValueObservingOptionOld
                                 context:nil];

//    UIPinchGestureRecognizer *pinchGesture = [[UIPinchGestureRecognizer alloc]
//                                              initWithTarget:self action:@selector(showOriginalStory:)];
//    [self.webView addGestureRecognizer:pinchGesture];
    
    UITapGestureRecognizer *doubleTapGesture = [[UITapGestureRecognizer alloc]
                                                initWithTarget:self action:@selector(doubleTap:)];
    doubleTapGesture.numberOfTapsRequired = 2;
    doubleTapGesture.delegate = self;
    [self.webView addGestureRecognizer:doubleTapGesture];
    
//    UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc]
//                                          initWithTarget:self action:@selector(tap:)];
//    tapGesture.numberOfTapsRequired = 1;
//    tapGesture.delegate = self;
//    [tapGesture requireGestureRecognizerToFail:doubleTapGesture];
//    [self.webView addGestureRecognizer:tapGesture];
    
    UITapGestureRecognizer *doubleDoubleTapGesture = [[UITapGestureRecognizer alloc]
                                                      initWithTarget:self
                                                      action:@selector(doubleTap:)];
    doubleDoubleTapGesture.numberOfTouchesRequired = 2;
    doubleDoubleTapGesture.numberOfTapsRequired = 2;
    doubleDoubleTapGesture.delegate = self;
    [self.webView addGestureRecognizer:doubleDoubleTapGesture];

    self.pageIndex = -2;
    self.inTextView = NO;
    
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(tapAndHold:)
                                                 name:@"TapAndHoldNotification"
                                               object:nil];
}

- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch {
//    NSLog(@"Gesture: %d - %d", (unsigned long)touch.tapCount, gestureRecognizer.state);
    inDoubleTap = (touch.tapCount == 2);
    
    CGPoint pt = [self pointForGesture:gestureRecognizer];
    if (pt.x == CGPointZero.x && pt.y == CGPointZero.y) return YES;
//    NSLog(@"Tapped point: %@", NSStringFromCGPoint(pt));
    NSString *tagName = [webView stringByEvaluatingJavaScriptFromString:
                         [NSString stringWithFormat:@"linkAt(%li, %li, 'tagName');",
                          (long)pt.x,(long)pt.y]];
    
    if ([tagName isEqualToString:@"IMG"] && !inDoubleTap) {
        return NO;
    }

    return YES;
}

- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer {
//    NSLog(@"Should conflict? \n\tgesture:%@ \n\t  other:%@",
//          gestureRecognizer, otherGestureRecognizer);
    return YES;
}

- (void)tap:(UITapGestureRecognizer *)gestureRecognizer {
//    NSLog(@"Gesture tap: %d (%d) - %d", gestureRecognizer.state, UIGestureRecognizerStateEnded, inDoubleTap);

    if (gestureRecognizer.state == UIGestureRecognizerStateEnded && gestureRecognizer.numberOfTouches == 1) {
        [self tapImage:gestureRecognizer];
    }
}

- (void)doubleTap:(UITapGestureRecognizer *)gestureRecognizer {
//    NSLog(@"Gesture double tap: %d (%d) - %d", gestureRecognizer.state, UIGestureRecognizerStateEnded, inDoubleTap);
    if (gestureRecognizer.state == UIGestureRecognizerStateEnded && inDoubleTap) {
        NSUserDefaults *preferences = [NSUserDefaults standardUserDefaults];
        BOOL openOriginal = NO;
        BOOL showText = NO;
        BOOL markUnread = NO;
        BOOL saveStory = NO;
        if (gestureRecognizer.numberOfTouches == 2) {
            NSString *twoFingerTap = [preferences stringForKey:@"two_finger_double_tap"];
            if ([twoFingerTap isEqualToString:@"open_original_story"]) {
                openOriginal = YES;
            } else if ([twoFingerTap isEqualToString:@"show_original_text"]) {
                showText = YES;
            } else if ([twoFingerTap isEqualToString:@"mark_unread"]) {
                markUnread = YES;
            } else if ([twoFingerTap isEqualToString:@"save_story"]) {
                saveStory = YES;
            }
        } else {
            NSString *doubleTap = [preferences stringForKey:@"double_tap_story"];
            if ([doubleTap isEqualToString:@"open_original_story"]) {
                openOriginal = YES;
            } else if ([doubleTap isEqualToString:@"show_original_text"]) {
                showText = YES;
            } else if ([doubleTap isEqualToString:@"mark_unread"]) {
                markUnread = YES;
            } else if ([doubleTap isEqualToString:@"save_story"]) {
                saveStory = YES;
            }
        }
        if (openOriginal) {
            [self showOriginalStory:gestureRecognizer];
        } else if (showText) {
            [self fetchTextView];
        } else if (markUnread) {
            [appDelegate.storiesCollection toggleStoryUnread];
            [appDelegate.feedDetailViewController reloadData];
        } else if (saveStory) {
            [appDelegate.storiesCollection toggleStorySaved];
            [appDelegate.feedDetailViewController reloadData];
        }
        inDoubleTap = NO;
    }
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
    return YES;
}

- (void)viewDidUnload {
    [self setInnerView:nil];
    
    [super viewDidUnload];
}

- (void)viewDidDisappear:(BOOL)animated {
    [super viewDidDisappear:animated];
}

- (void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];
    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
        [appDelegate.feedDetailViewController.view endEditing:YES];
    }
}

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
        [appDelegate.feedDetailViewController.view endEditing:YES];
    }
}

- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration {
    preRotateSize = webView.scrollView.contentSize;
    NSLog(@"Height is %@ (Offset is %@)", @(preRotateSize.height), @(webView.scrollView.contentOffset.y));
}

- (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
    [self drawFeedGradient];
    
    CGSize newSize = webView.scrollView.contentSize;
    CGPoint newOffset = webView.scrollView.contentOffset;
    CGFloat preOffset = newOffset.y;
    newOffset.y *= newSize.height / preRotateSize.height;
    NSLog(@"Height was %@, now %@ (Offset was %@, now %@)", @(preRotateSize.height), @(newSize.height), @(preOffset), @(newOffset.y));
//    webView.scrollView.contentOffset = newOffset;
}

#pragma mark -
#pragma mark Story setup

- (void)initStory {
    appDelegate.inStoryDetail = YES;
    self.noStoryMessage.hidden = YES;
    self.webView.hidden = NO;
    self.inTextView = appDelegate.inTextView;

    [appDelegate hideShareView:NO];
}

- (void)hideNoStoryMessage {
    self.noStoryMessage.hidden = YES;
}

- (void)drawStory {
    UIInterfaceOrientation orientation = [UIApplication sharedApplication].statusBarOrientation;
    [self drawStory:NO withOrientation:orientation];
}

- (void)drawStory:(BOOL)force withOrientation:(UIInterfaceOrientation)orientation {
    if (!force && self.activeStoryId == [self.activeStory objectForKey:@"story_hash"]) {
        NSLog(@"Already drawn story.");
//        return;
    }

    [self drawFeedGradient];
    
    NSString *shareBarString = [self getShareBar];
    NSString *commentString = [self getComments];
    NSString *headerString;
    NSString *sharingHtmlString;
    NSString *footerString;
    NSString *fontStyleClass = @"";
    NSString *fontSizeClass = @"NB-";
    NSString *lineSpacingClass = @"NB-line-spacing-";
    NSString *storyContent = [self.activeStory objectForKey:@"story_content"];
    if (self.inTextView && [self.activeStory objectForKey:@"original_text"]) {
        storyContent = [self.activeStory objectForKey:@"original_text"];
    }
    
    NSUserDefaults *userPreferences = [NSUserDefaults standardUserDefaults];
    if ([userPreferences stringForKey:@"fontStyle"]){
        fontStyleClass = [fontStyleClass stringByAppendingString:[userPreferences stringForKey:@"fontStyle"]];
    } else {
        fontStyleClass = [fontStyleClass stringByAppendingString:@"NB-helvetica"];
    }
    fontSizeClass = [fontSizeClass stringByAppendingString:[userPreferences stringForKey:@"story_font_size"]];
    
    if ([userPreferences stringForKey:@"story_line_spacing"]){
        lineSpacingClass = [lineSpacingClass stringByAppendingString:[userPreferences stringForKey:@"story_line_spacing"]];
    } else {
        lineSpacingClass = [lineSpacingClass stringByAppendingString:@"medium"];
    }
    
    int contentWidth = self.appDelegate.storyPageControl.view.frame.size.width;
    NSString *contentWidthClass;
    
    if (UIInterfaceOrientationIsLandscape(orientation) && UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
        contentWidthClass = @"NB-ipad-wide";
    } else if (!UIInterfaceOrientationIsLandscape(orientation) && UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
        contentWidthClass = @"NB-ipad-narrow";
    } else if (UIInterfaceOrientationIsLandscape(orientation) && UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) {
        contentWidthClass = @"NB-iphone-wide";
    } else {
        contentWidthClass = @"NB-iphone";
    }
    
    contentWidthClass = [NSString stringWithFormat:@"%@ NB-width-%d",
                         contentWidthClass, (int)floorf(CGRectGetWidth(self.view.frame))];
    
    // Replace image urls that are locally cached, even when online
//    NSString *storyHash = [self.activeStory objectForKey:@"story_hash"];
//    NSArray *imageUrls = [appDelegate.activeCachedImages objectForKey:storyHash];
//    if (imageUrls) {
//        NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
//        NSString *storyImagesDirectory = [[paths objectAtIndex:0]
//                                          stringByAppendingPathComponent:@"story_images"];
//        for (NSString *imageUrl in imageUrls) {
//            NSString *cachedImage = [storyImagesDirectory
//                                     stringByAppendingPathComponent:[Utilities md5:imageUrl]];
//            storyContent = [storyContent
//                            stringByReplacingOccurrencesOfString:imageUrl
//                            withString:cachedImage];
//        }
//    }
    
    NSString *riverClass = (appDelegate.storiesCollection.isRiverView ||
                            appDelegate.storiesCollection.isSocialView ||
                            appDelegate.storiesCollection.isSavedView ||
                            appDelegate.storiesCollection.isReadView) ?
                            @"NB-river" : @"NB-non-river";
    
    // set up layout values based on iPad/iPhone
    headerString = [NSString stringWithFormat:@
                    "<link rel=\"stylesheet\" type=\"text/css\" href=\"storyDetailView.css\" >"
                    "<meta name=\"viewport\" id=\"viewport\" content=\"width=%i, initial-scale=1.0, maximum-scale=1.0, user-scalable=no\"/>",
                    contentWidth];
    footerString = [NSString stringWithFormat:@
                    "<script src=\"zepto.js\"></script>"
                    "<script src=\"fitvid.js\"></script>"
                    "<script src=\"storyDetailView.js\"></script>"
                    "<script src=\"fastTouch.js\"></script>"];
    
    sharingHtmlString = [self getSideoptions];

    NSString *storyHeader = [self getHeader];
    NSString *htmlString = [NSString stringWithFormat:@
                            "<html>"
                            "<head>%@</head>" // header string
                            "<body id=\"story_pane\" class=\"%@ %@\">"
                            "    <div class=\"%@\" id=\"NB-font-style\">"
                            "    <div class=\"%@\" id=\"NB-font-size\">"
                            "    <div class=\"%@\" id=\"NB-line-spacing\">"
                            "        <div id=\"NB-header-container\">%@</div>" // storyHeader
                            "        %@" // shareBar
                            "        <div id=\"NB-story\" class=\"NB-story\">%@</div>"
                            "        <div id=\"NB-sideoptions-container\">%@</div>"
                            "        <div id=\"NB-comments-wrapper\">"
                            "            %@" // friends comments
                            "        </div>"
                            "        %@"
                            "    </div>" // line-spacing
                            "    </div>" // font-size
                            "    </div>" // font-style
                            "</body>"
                            "</html>",
                            headerString,
                            contentWidthClass,
                            riverClass,
                            fontStyleClass,
                            fontSizeClass,
                            lineSpacingClass,
                            storyHeader,
                            shareBarString,
                            storyContent,
                            sharingHtmlString,
                            commentString,
                            footerString
                            ];
    
//    NSLog(@"\n\n\n\nhtmlString:\n\n\n%@\n\n\n", htmlString);
    NSString *path = [[NSBundle mainBundle] bundlePath];
    NSURL *baseURL = [NSURL fileURLWithPath:path];
    
    [self.webView setMediaPlaybackRequiresUserAction:NO];
    [self.webView loadHTMLString:htmlString baseURL:baseURL];
    [appDelegate.storyPageControl setTextButton:self];

//    NSLog(@"Drawing Story: %@", [self.activeStory objectForKey:@"story_title"]);

    self.activeStoryId = [self.activeStory objectForKey:@"story_hash"];
}

- (void)drawFeedGradient {
    NSString *feedIdStr = [NSString stringWithFormat:@"%@",
                           [self.activeStory
                            objectForKey:@"story_feed_id"]];
    NSDictionary *feed = [appDelegate getFeed:feedIdStr];
    
    self.feedTitleGradient = [appDelegate
                              makeFeedTitleGradient:feed
                              withRect:CGRectMake(0, -1, self.view.frame.size.width, 21)]; // 1024 hack for self.webView.frame.size.width
    
    self.feedTitleGradient.tag = FEED_TITLE_GRADIENT_TAG; // Not attached yet. Remove old gradients, first.
    [self.feedTitleGradient.layer setShadowColor:[[UIColor blackColor] CGColor]];
    [self.feedTitleGradient.layer setShadowOffset:CGSizeMake(0, 0)];
    [self.feedTitleGradient.layer setShadowOpacity:0];
    [self.feedTitleGradient.layer setShadowRadius:12.0];
    
    for (UIView *subview in self.webView.subviews) {
        if (subview.tag == FEED_TITLE_GRADIENT_TAG) {
            [subview removeFromSuperview];
        }
    }
    
    if (appDelegate.storiesCollection.isRiverView ||
        appDelegate.storiesCollection.isSocialView ||
        appDelegate.storiesCollection.isSavedView ||
        appDelegate.storiesCollection.isReadView) {
        self.webView.scrollView.scrollIndicatorInsets = UIEdgeInsetsMake(20, 0, 0, 0);
    } else {
        self.webView.scrollView.scrollIndicatorInsets = UIEdgeInsetsMake(9, 0, 0, 0);
    }
    [self.webView insertSubview:feedTitleGradient aboveSubview:self.webView.scrollView];
}

- (void)showStory {
    id storyId = [self.activeStory objectForKey:@"story_hash"];
    [appDelegate.storiesCollection pushReadStory:storyId];
    [appDelegate resetShareComments];
}

- (void)clearStory {
    self.activeStoryId = nil;
    [self.webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"about:blank"]]];
    [MBProgressHUD hideHUDForView:self.webView animated:NO];
}

- (void)hideStory {
    self.activeStoryId = nil;
    self.webView.hidden = YES;
    self.noStoryMessage.hidden = NO;
}

#pragma mark -
#pragma mark Story layout

- (NSString *)getHeader {
    NSString *feedId = [NSString stringWithFormat:@"%@", [self.activeStory
                                                          objectForKey:@"story_feed_id"]];
    NSString *storyAuthor = @"";
    if ([[self.activeStory objectForKey:@"story_authors"] class] != [NSNull class] &&
        [[self.activeStory objectForKey:@"story_authors"] length]) {
        NSString *author = [NSString stringWithFormat:@"%@",
                            [self.activeStory objectForKey:@"story_authors"]];
        if (author && [author class] != [NSNull class]) {
            int authorScore = [[[[appDelegate.storiesCollection.activeClassifiers objectForKey:feedId]
                                 objectForKey:@"authors"]
                                objectForKey:author] intValue];
            storyAuthor = [NSString stringWithFormat:@"<span class=\"NB-middot\">&middot;</span><a href=\"http://ios.newsblur.com/classify-author/%@\" "
                           "class=\"NB-story-author %@\" id=\"NB-story-author\"><div class=\"NB-highlight\"></div>%@</a>",
                           author,
                           authorScore > 0 ? @"NB-story-author-positive" : authorScore < 0 ? @"NB-story-author-negative" : @"",
                           author];
        }
    }
    NSString *storyTags = @"";
    if ([self.activeStory objectForKey:@"story_tags"]) {
        NSArray *tagArray = [self.activeStory objectForKey:@"story_tags"];
        if ([tagArray count] > 0) {
            NSMutableArray *tagStrings = [NSMutableArray array];
            for (NSString *tag in tagArray) {
                int tagScore = [[[[appDelegate.storiesCollection.activeClassifiers objectForKey:feedId]
                                  objectForKey:@"tags"]
                                 objectForKey:tag] intValue];
                NSString *tagHtml = [NSString stringWithFormat:@"<a href=\"http://ios.newsblur.com/classify-tag/%@\" "
                                     "class=\"NB-story-tag %@\"><div class=\"NB-highlight\"></div>%@</a>",
                                     tag,
                                     tagScore > 0 ? @"NB-story-tag-positive" : tagScore < 0 ? @"NB-story-tag-negative" : @"",
                                     tag];
                [tagStrings addObject:tagHtml];
            }
            storyTags = [NSString
                         stringWithFormat:@"<div id=\"NB-story-tags\" class=\"NB-story-tags\">"
                         "%@"
                         "</div>",
                         [tagStrings componentsJoinedByString:@""]];
        }
    }
    NSString *storyStarred = @"";
    NSString *storyUserTags = @"";
    NSMutableArray *tagStrings = [NSMutableArray array];
    if ([self.activeStory objectForKey:@"starred"] && [self.activeStory objectForKey:@"starred_date"]) {
        storyStarred = [NSString stringWithFormat:@"<div class=\"NB-story-starred-date\">Saved on %@</div>",
                        [self.activeStory objectForKey:@"starred_date"]];
        
        if ([self.activeStory objectForKey:@"user_tags"]) {
            NSArray *tagArray = [self.activeStory objectForKey:@"user_tags"];
            if ([tagArray count] > 0) {
                for (NSString *tag in tagArray) {
                    NSString *tagHtml = [NSString stringWithFormat:@"<a href=\"http://ios.newsblur.com/remove-user-tag/%@\" "
                                         "class=\"NB-user-tag\"><div class=\"NB-highlight\"></div>%@</a>",
                                         tag,
                                         tag];
                    [tagStrings addObject:tagHtml];
                }
            }
        }

        storyUserTags = [NSString
                         stringWithFormat:@"<div id=\"NB-user-tags\" class=\"NB-user-tags\">"
                         "%@"
                         "<a class=\"NB-user-tag NB-add-user-tag\" href=\"http://ios.newsblur.com/add-user-tag/add-user-tag/\"><div class=\"NB-highlight\"></div>Add Tag</a>"
                         "</div>",
                         [tagStrings componentsJoinedByString:@""]];

    }
    
    NSString *storyUnread = @"";
    if (self.isRecentlyUnread && [appDelegate.storiesCollection isStoryUnread:self.activeStory]) {
        NSInteger score = [NewsBlurAppDelegate computeStoryScore:[self.activeStory objectForKey:@"intelligence"]];
        storyUnread = [NSString stringWithFormat:@"<div class=\"NB-story-unread NB-%@\"></div>",
                       score > 0 ? @"positive" : score < 0 ? @"negative" : @"neutral"];
    }
    
    NSString *storyTitle = [self.activeStory objectForKey:@"story_title"];
    NSString *storyPermalink = [self.activeStory objectForKey:@"story_permalink"];
    NSMutableDictionary *titleClassifiers = [[appDelegate.storiesCollection.activeClassifiers
                                              objectForKey:feedId]
                                             objectForKey:@"titles"];
    for (NSString *titleClassifier in titleClassifiers) {
        if ([storyTitle containsString:titleClassifier]) {
            int titleScore = [[titleClassifiers objectForKey:titleClassifier] intValue];
            storyTitle = [storyTitle
                          stringByReplacingOccurrencesOfString:titleClassifier
                          withString:[NSString stringWithFormat:@"<span class=\"NB-story-title-%@\">%@</span>",
                                       titleScore > 0 ? @"positive" : titleScore < 0 ? @"negative" : @"",
                                       titleClassifier]];
        }
    }
    
    NSString *storyDate = [Utilities formatLongDateFromTimestamp:[[self.activeStory
                                                                  objectForKey:@"story_timestamp"]
                                                                  integerValue]];
    NSString *storyHeader = [NSString stringWithFormat:@
                             "<div class=\"NB-header\"><div class=\"NB-header-inner\">"
                             "<div class=\"NB-story-title\">"
                             "  %@"
                             "  <a href=\"%@\" class=\"NB-story-permalink\">%@</a>"
                             "</div>"
                             "<div class=\"NB-story-date\">%@</div>"
                             "%@"
                             "%@"
                             "%@"
                             "%@"
                             "</div></div>",
                             storyUnread,
                             storyPermalink,
                             storyTitle,
                             storyDate,
                             storyAuthor,
                             storyTags,
                             storyStarred,
                             storyUserTags];
    return storyHeader;
}

- (NSString *)getSideoptions {
    BOOL isSaved = [[self.activeStory objectForKey:@"starred"] boolValue];
    BOOL isShared = [[self.activeStory objectForKey:@"shared"] boolValue];
    
    NSString *sideoptions = [NSString stringWithFormat:@
                             "<div class='NB-sideoptions'>"
                             "<div class='NB-share-header'></div>"
                             "<div class='NB-share-wrapper'><div class='NB-share-inner-wrapper'>"
                             "  <div id=\"NB-share-button-id\" class='NB-share-button NB-train-button NB-button'>"
                             "    <a href=\"http://ios.newsblur.com/train\"><div>"
                             "      <span class=\"NB-icon\"></span> Train"
                             "    </div></a>"
                             "  </div>"
                             "  <div id=\"NB-share-button-id\" class='NB-share-button NB-button %@'>"
                             "    <a href=\"http://ios.newsblur.com/share\"><div>"
                             "      <span class=\"NB-icon\"></span> %@"
                             "    </div></a>"
                             "  </div>"
                             "  <div id=\"NB-share-button-id\" class='NB-share-button NB-save-button NB-button %@'>"
                             "    <a href=\"http://ios.newsblur.com/save/save/\"><div>"
                             "      <span class=\"NB-icon\"></span> %@"
                             "    </div></a>"
                             "  </div>"
                             "</div></div></div>",
                             isShared ? @"NB-button-active" : @"",
                             isShared ? @"Shared" : @"Share",
                             isSaved ? @"NB-button-active" : @"",
                             isSaved ? @"Saved" : @"Save"
                             ];
    
    return sideoptions;
}

- (NSString *)getAvatars:(NSString *)key {
    NSString *avatarString = @"";
    NSArray *shareUserIds = [self.activeStory objectForKey:key];
    
    for (int i = 0; i < shareUserIds.count; i++) {
        NSDictionary *user = [appDelegate getUser:[[shareUserIds objectAtIndex:i] intValue]];
        NSString *avatarClass = @"NB-user-avatar";
        if ([key isEqualToString:@"commented_by_public"] ||
            [key isEqualToString:@"shared_by_public"]) {
            avatarClass = @"NB-public-user NB-user-avatar";
        }
        NSString *avatar = [NSString stringWithFormat:@
                            "<div class=\"NB-story-share-profile\"><div class=\"%@\">"
                            "<a id=\"NB-user-share-bar-%@\" class=\"NB-show-profile\" "
                            " href=\"http://ios.newsblur.com/show-profile/%@\">"
                            "<div class=\"NB-highlight\"></div>"
                            "<img src=\"%@\" />"
                            "</a>"
                            "</div></div>",
                            avatarClass,
                            [user objectForKey:@"user_id"],
                            [user objectForKey:@"user_id"],
                            [user objectForKey:@"photo_url"]];
        avatarString = [avatarString stringByAppendingString:avatar];
    }

    return avatarString;
}

- (NSString *)getComments {
    NSString *comments = @"<div class=\"NB-feed-story-comments\">";

    if ([self.activeStory objectForKey:@"comment_count"] != [NSNull null] &&
        [[self.activeStory objectForKey:@"comment_count"] intValue] > 0) {
        
        NSDictionary *story = self.activeStory;
        NSArray *friendsCommentsArray =  [story objectForKey:@"friend_comments"];   
        NSArray *friendsShareArray =  [story objectForKey:@"friend_shares"];
        NSArray *publicCommentsArray =  [story objectForKey:@"public_comments"];
        
        if ([[story objectForKey:@"comment_count_friends"] intValue] > 0 ) {
            NSString *commentHeader = [NSString stringWithFormat:@
                                       "<div class=\"NB-story-comments-friends-header-wrapper\">"
                                       "  <div class=\"NB-story-comments-friends-header\">%i comment%@</div>"
                                       "</div>",
                                       [[story objectForKey:@"comment_count_friends"] intValue],
                                       [[story objectForKey:@"comment_count_friends"] intValue] == 1 ? @"" : @"s"];
            comments = [comments stringByAppendingString:commentHeader];
            
            // add friends comments
            for (int i = 0; i < friendsCommentsArray.count; i++) {
                NSString *comment = [self getComment:[friendsCommentsArray objectAtIndex:i]];
                comments = [comments stringByAppendingString:comment];
            }
        }
        
        NSInteger sharedByFriendsCount = [[story objectForKey:@"shared_by_friends"] count];
        if (sharedByFriendsCount > 0 ) {
            NSString *commentHeader = [NSString stringWithFormat:@
                                       "<div class=\"NB-story-comments-friend-shares-header-wrapper\">"
                                       "  <div class=\"NB-story-comments-friends-header\">%ld share%@</div>"
                                       "</div>",
                                       (long)sharedByFriendsCount,
                                       sharedByFriendsCount == 1 ? @"" : @"s"];
            comments = [comments stringByAppendingString:commentHeader];
            
            // add friends comments
            for (int i = 0; i < friendsShareArray.count; i++) {
                NSString *comment = [self getComment:[friendsShareArray objectAtIndex:i]];
                comments = [comments stringByAppendingString:comment];
            }
        }
        
        if ([[[NSUserDefaults standardUserDefaults] objectForKey:@"show_public_comments"] boolValue] &&
            [[story objectForKey:@"comment_count_public"] intValue] > 0 ) {
            NSString *publicCommentHeader = [NSString stringWithFormat:@
                                             "<div class=\"NB-story-comments-public-header-wrapper\">"
                                             "  <div class=\"NB-story-comments-public-header\">%i public comment%@</div>"
                                             "</div>",
                                             [[story objectForKey:@"comment_count_public"] intValue],
                                             [[story objectForKey:@"comment_count_public"] intValue] == 1 ? @"" : @"s"];
            
            comments = [comments stringByAppendingString:@"</div>"];
            comments = [comments stringByAppendingString:publicCommentHeader];
            comments = [comments stringByAppendingFormat:@"<div class=\"NB-feed-story-comments\">"];
            
            // add public comments
            for (int i = 0; i < publicCommentsArray.count; i++) {
                NSString *comment = [self getComment:[publicCommentsArray objectAtIndex:i]];
                comments = [comments stringByAppendingString:comment];
            }
        }


        comments = [comments stringByAppendingString:@"</div>"];
    }
    
    return comments;
}

- (NSString *)getShareBar {
    NSString *comments = @"<div id=\"NB-share-bar-wrapper\">";
    NSString *commentLabel = @"";
    NSString *shareLabel = @"";
//    NSString *replyStr = @"";
    
//    if ([[self.activeStory objectForKey:@"reply_count"] intValue] == 1) {
//        replyStr = [NSString stringWithFormat:@" and <b>1 reply</b>"];        
//    } else if ([[self.activeStory objectForKey:@"reply_count"] intValue] == 1) {
//        replyStr = [NSString stringWithFormat:@" and <b>%@ replies</b>", [self.activeStory objectForKey:@"reply_count"]];
//    }
    if (![[self.activeStory objectForKey:@"comment_count"] isKindOfClass:[NSNull class]] &&
        [[self.activeStory objectForKey:@"comment_count"] intValue]) {
        commentLabel = [commentLabel stringByAppendingString:[NSString stringWithFormat:@
                                                              "<div class=\"NB-story-comments-label\">"
                                                                "%@" // comment count
                                                                //"%@" // reply count
                                                              "</div>"
                                                              "<div class=\"NB-story-share-profiles NB-story-share-profiles-comments\">"
                                                                "%@" // friend avatars
                                                                "%@" // public avatars
                                                              "</div>",
                                                              [[self.activeStory objectForKey:@"comment_count"] intValue] == 1
                                                              ? [NSString stringWithFormat:@"<b>1 comment</b>"] :
                                                              [NSString stringWithFormat:@"<b>%@ comments</b>", [self.activeStory objectForKey:@"comment_count"]],
                                                              
                                                              //replyStr,
                                                              [self getAvatars:@"commented_by_friends"],
                                                              [self getAvatars:@"commented_by_public"]]];
    }
    
    if (![[self.activeStory objectForKey:@"share_count"] isKindOfClass:[NSNull class]] &&
        [[self.activeStory objectForKey:@"share_count"] intValue]) {
        shareLabel = [shareLabel stringByAppendingString:[NSString stringWithFormat:@

                                                              "<div class=\"NB-right\">"
                                                                "<div class=\"NB-story-share-profiles NB-story-share-profiles-shares\">"
                                                                  "%@" // friend avatars
                                                                  "%@" // public avatars
                                                                "</div>"
                                                                "<div class=\"NB-story-share-label\">"
                                                                  "%@" // comment count
                                                                "</div>"
                                                              "</div>",
                                                              [self getAvatars:@"shared_by_public"],
                                                              [self getAvatars:@"shared_by_friends"],
                                                              [[self.activeStory objectForKey:@"share_count"] intValue] == 1
                                                              ? [NSString stringWithFormat:@"<b>1 share</b>"] : 
                                                              [NSString stringWithFormat:@"<b>%@ shares</b>", [self.activeStory objectForKey:@"share_count"]]]];
    }
    
    if ([self.activeStory objectForKey:@"share_count"] != [NSNull null] &&
        [[self.activeStory objectForKey:@"share_count"] intValue] > 0) {
        
        comments = [comments stringByAppendingString:[NSString stringWithFormat:@
                                                      "<div class=\"NB-story-shares\">"
                                                        "<div class=\"NB-story-comments-shares-teaser-wrapper\">"
                                                          "<div class=\"NB-story-comments-shares-teaser\">"
                                                            "%@"
                                                            "%@"
                                                          "</div>"
                                                        "</div>"
                                                      "</div>",
                                                      commentLabel,
                                                      shareLabel
                                                      ]];
    }
    comments = [comments stringByAppendingString:[NSString stringWithFormat:@"</div>"]];
    return comments;
}

- (NSString *)getComment:(NSDictionary *)commentDict {
    
    NSDictionary *user = [appDelegate getUser:[[commentDict objectForKey:@"user_id"] intValue]];
    NSString *userAvatarClass = @"NB-user-avatar";
    NSString *userReshareString = @"";
    NSString *userEditButton = @"";
    NSString *userLikeButton = @"";
    NSString *commentUserId = [NSString stringWithFormat:@"%@", [commentDict objectForKey:@"user_id"]];
    NSString *currentUserId = [NSString stringWithFormat:@"%@", [appDelegate.dictSocialProfile objectForKey:@"user_id"]];
    NSArray *likingUsersArray = [commentDict objectForKey:@"liking_users"];
    NSString *likingUsers = @"";
    
    if ([likingUsersArray count]) {
        likingUsers = @"<div class=\"NB-story-comment-likes-icon\"></div>";
        for (NSNumber *likingUser in likingUsersArray) {
            NSDictionary *sourceUser = [appDelegate getUser:[likingUser intValue]];
            NSString *likingUserString = [NSString stringWithFormat:@
                                          "<div class=\"NB-story-comment-likes-user\">"
                                          "    <div class=\"NB-user-avatar\"><img src=\"%@\"></div>"
                                          "</div>",
                                          [sourceUser objectForKey:@"photo_url"]];
            likingUsers = [likingUsers stringByAppendingString:likingUserString];
        }
    }
    
    if ([commentUserId isEqualToString:currentUserId]) {
        userEditButton = [NSString stringWithFormat:@
                          "<div class=\"NB-story-comment-edit-button NB-story-comment-share-edit-button NB-button\">"
                            "<a href=\"http://ios.newsblur.com/edit-share/%@\"><div class=\"NB-story-comment-edit-button-wrapper\">"
                                "Edit"
                            "</div></a>"
                          "</div>",
                          commentUserId];
    } else {
        BOOL isInLikingUsers = NO;
        for (int i = 0; i < likingUsersArray.count; i++) {
            if ([[[likingUsersArray objectAtIndex:i] stringValue] isEqualToString:currentUserId]) {
                isInLikingUsers = YES;
                break;
            }
        }
        
        if (isInLikingUsers) {
            userLikeButton = [NSString stringWithFormat:@
                              "<div class=\"NB-story-comment-like-button NB-button selected\">"
                              "<a href=\"http://ios.newsblur.com/unlike-comment/%@\"><div class=\"NB-story-comment-like-button-wrapper\">"
                              "<span class=\"NB-favorite-icon\"></span>"
                              "</div></a>"
                              "</div>",
                              commentUserId]; 
        } else {
            userLikeButton = [NSString stringWithFormat:@
                              "<div class=\"NB-story-comment-like-button NB-button\">"
                              "<a href=\"http://ios.newsblur.com/like-comment/%@\"><div class=\"NB-story-comment-like-button-wrapper\">"
                              "<span class=\"NB-favorite-icon\"></span>"
                              "</div></a>"
                              "</div>",
                              commentUserId]; 
        }

    }

    if ([commentDict objectForKey:@"source_user_id"] != [NSNull null]) {
        userAvatarClass = @"NB-user-avatar NB-story-comment-reshare";

        NSDictionary *sourceUser = [appDelegate getUser:[[commentDict objectForKey:@"source_user_id"] intValue]];
        userReshareString = [NSString stringWithFormat:@
                             "<div class=\"NB-story-comment-reshares\">"
                             "    <div class=\"NB-story-share-profile\">"
                             "        <div class=\"NB-user-avatar\"><img src=\"%@\"></div>"
                             "    </div>"
                             "</div>",
                             [sourceUser objectForKey:@"photo_url"]];
    } 
    
    NSString *commentContent = [self textToHtml:[commentDict objectForKey:@"comments"]];
    
    NSString *comment;
    NSString *locationHtml = @"";
    NSString *location = [NSString stringWithFormat:@"%@", [user objectForKey:@"location"]];
    
    if (location.length && ![[user objectForKey:@"location"] isKindOfClass:[NSNull class]]) {
        locationHtml = [NSString stringWithFormat:@"<div class=\"NB-story-comment-location\">%@</div>", location];
    }
    
    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
        comment = [NSString stringWithFormat:@
                    "<div class=\"NB-story-comment\" id=\"NB-user-comment-%@\">"
                    "<div class=\"%@\">"
                    "<a class=\"NB-show-profile\" href=\"http://ios.newsblur.com/show-profile/%@\">"
                    "<div class=\"NB-highlight\"></div>"
                    "<img src=\"%@\" />"
                    "</a>"
                    "</div>"
                    "<div class=\"NB-story-comment-author-container\">"
                    "   %@"
                    "    <div class=\"NB-story-comment-username\">%@</div>"
                    "    <div class=\"NB-story-comment-date\">%@ ago</div>"
                    "    <div class=\"NB-story-comment-likes\">%@</div>"
                    "</div>"
                    "<div class=\"NB-story-comment-content\">%@</div>"
                    "%@" // location
                    "<div class=\"NB-button-wrapper\">"
                    "    <div class=\"NB-story-comment-reply-button NB-button\">"
                    "        <a href=\"http://ios.newsblur.com/reply/%@/%@\"><div class=\"NB-story-comment-reply-button-wrapper\">"
                    "            Reply"
                    "        </div></a>"
                    "    </div>"
                    "    %@" //User Like Button
                    "    %@" //User Edit Button
                    "</div>"
                    "%@"
                    "</div>",
                    [commentDict objectForKey:@"user_id"],
                    userAvatarClass,
                    [commentDict objectForKey:@"user_id"],
                    [user objectForKey:@"photo_url"],
                    userReshareString,
                    [user objectForKey:@"username"],
                    [commentDict objectForKey:@"shared_date"],
                    likingUsers,
                    commentContent,
                    locationHtml,
                    [commentDict objectForKey:@"user_id"],
                    [user objectForKey:@"username"],
                    userEditButton,
                    userLikeButton,
                    [self getReplies:[commentDict objectForKey:@"replies"] forUserId:[commentDict objectForKey:@"user_id"]]];
    } else {
        comment = [NSString stringWithFormat:@
                   "<div class=\"NB-story-comment\" id=\"NB-user-comment-%@\">"
                   "<div class=\"%@\">"
                   "<a class=\"NB-show-profile\" href=\"http://ios.newsblur.com/show-profile/%@\">"
                   "<div class=\"NB-highlight\"></div>"
                   "<img src=\"%@\" />"
                   "</a>"
                   "</div>"
                   "<div class=\"NB-story-comment-author-container\">"
                   "    %@"
                   "    <div class=\"NB-story-comment-username\">%@</div>"
                   "    <div class=\"NB-story-comment-date\">%@ ago</div>"
                   "    <div class=\"NB-story-comment-likes\">%@</div>"
                   "</div>"
                   "<div class=\"NB-story-comment-content\">%@</div>"
                   "%@" // location
                   "<div class=\"NB-button-wrapper\">"
                   "    <div class=\"NB-story-comment-reply-button NB-button\">"
                   "        <a href=\"http://ios.newsblur.com/reply/%@/%@\"><div class=\"NB-story-comment-reply-button-wrapper\">"
                   "            Reply"
                   "        </div></a>"
                   "    </div>"
                   "    %@" // User Like Button
                   "    %@" // User Edit Button
                   "</div>"
                   "%@"
                   "</div>",
                   [commentDict objectForKey:@"user_id"],
                   userAvatarClass,
                   [commentDict objectForKey:@"user_id"],
                   [user objectForKey:@"photo_url"],
                   userReshareString,
                   [user objectForKey:@"username"],
                   [commentDict objectForKey:@"shared_date"],
                   likingUsers,
                   commentContent,
                   locationHtml,
                   [commentDict objectForKey:@"user_id"],
                   [user objectForKey:@"username"],
                   userEditButton,
                   userLikeButton,
                   [self getReplies:[commentDict objectForKey:@"replies"] forUserId:[commentDict objectForKey:@"user_id"]]]; 

    }
    
    return comment;
}

- (NSString *)getReplies:(NSArray *)replies forUserId:(NSString *)commentUserId {
    NSString *repliesString = @"";
    if (replies.count > 0) {
        repliesString = [repliesString stringByAppendingString:@"<div class=\"NB-story-comment-replies\">"];
        for (int i = 0; i < replies.count; i++) {
            NSDictionary *replyDict = [replies objectAtIndex:i];
            NSDictionary *user = [appDelegate getUser:[[replyDict objectForKey:@"user_id"] intValue]];

            NSString *userEditButton = @"";
            NSString *replyUserId = [NSString stringWithFormat:@"%@", [replyDict objectForKey:@"user_id"]];
            NSString *replyId = [replyDict objectForKey:@"reply_id"];
            NSString *currentUserId = [NSString stringWithFormat:@"%@", [appDelegate.dictSocialProfile objectForKey:@"user_id"]];
            
            if ([replyUserId isEqualToString:currentUserId]) {
                userEditButton = [NSString stringWithFormat:@
                                  "<div class=\"NB-story-comment-edit-button NB-story-comment-share-edit-button NB-button\">"
                                  "<a href=\"http://ios.newsblur.com/edit-reply/%@/%@/%@\">"
                                  "<div class=\"NB-story-comment-edit-button-wrapper\">"
                                  "Edit"
                                  "</div>"
                                  "</a>"
                                  "</div>",
                                  commentUserId,
                                  replyUserId,
                                  replyId
                                  ];
            }
            
            NSString *replyContent = [self textToHtml:[replyDict objectForKey:@"comments"]];
            
            NSString *locationHtml = @"";
            NSString *location = [NSString stringWithFormat:@"%@", [user objectForKey:@"location"]];
            
            if (location.length) {
                locationHtml = [NSString stringWithFormat:@"<div class=\"NB-story-comment-location\">%@</div>", location];
            }
                        
            NSString *reply;
            
            if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
                reply = [NSString stringWithFormat:@
                         "<div class=\"NB-story-comment-reply\" id=\"NB-user-comment-%@\">"
                         "   <a class=\"NB-show-profile\" href=\"http://ios.newsblur.com/show-profile/%@\">"
                         "       <div class=\"NB-highlight\"></div>"
                         "       <img class=\"NB-story-comment-reply-photo\" src=\"%@\" />"
                         "   </a>"
                         "   <div class=\"NB-story-comment-username NB-story-comment-reply-username\">%@</div>"
                         "   <div class=\"NB-story-comment-date NB-story-comment-reply-date\">%@ ago</div>"
                         "   <div class=\"NB-story-comment-reply-content\">%@</div>"
                         "   %@" // location
                         "   <div class=\"NB-button-wrapper\">"
                         "       %@" // edit
                         "   </div>"
                         "</div>",
                         [replyDict objectForKey:@"reply_id"],
                         [user objectForKey:@"user_id"],
                         [user objectForKey:@"photo_url"],
                         [user objectForKey:@"username"],
                         [replyDict objectForKey:@"publish_date"],
                         replyContent,
                         locationHtml,
                         userEditButton];
            } else {
                reply = [NSString stringWithFormat:@
                         "<div class=\"NB-story-comment-reply\" id=\"NB-user-comment-%@\">"
                         "   <a class=\"NB-show-profile\" href=\"http://ios.newsblur.com/show-profile/%@\">"
                         "       <div class=\"NB-highlight\"></div>"
                         "       <img class=\"NB-story-comment-reply-photo\" src=\"%@\" />"
                         "   </a>"
                         "   <div class=\"NB-story-comment-username NB-story-comment-reply-username\">%@</div>"
                         "   <div class=\"NB-story-comment-date NB-story-comment-reply-date\">%@ ago</div>"
                         "   <div class=\"NB-story-comment-reply-content\">%@</div>"
                         "   %@"
                         "   <div class=\"NB-button-wrapper\">"
                         "       %@" // edit
                         "   </div>"
                         "</div>",
                         [replyDict objectForKey:@"reply_id"],
                         [user objectForKey:@"user_id"],  
                         [user objectForKey:@"photo_url"],
                         [user objectForKey:@"username"],
                         [replyDict objectForKey:@"publish_date"],
                         replyContent,
                         locationHtml,
                         userEditButton];
            }
            repliesString = [repliesString stringByAppendingString:reply];
        }
        repliesString = [repliesString stringByAppendingString:@"</div>"];
    }
    return repliesString;
}

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
    
    if ([keyPath isEqual:@"contentOffset"]) {
        if (self.webView.scrollView.contentOffset.y < (-1 * self.feedTitleGradient.frame.size.height + 1 + self.webView.scrollView.scrollIndicatorInsets.top)) {
            // Pulling
            if (!pullingScrollview) {
                pullingScrollview = YES;
                
                for (id subview in self.webView.scrollView.subviews) {
                    UIImageView *imgView = [subview isKindOfClass:[UIImageView class]] ?
                    (UIImageView*)subview : nil;
                    // image views whose image is 1px wide are shadow images, hide them
                    if (imgView && imgView.image.size.width > 1) {
                        [self.webView.scrollView insertSubview:self.feedTitleGradient
                                                  belowSubview:subview];
                        [self.webView.scrollView bringSubviewToFront:subview];
                    }
                }
            }
        } else {
            // Normal reading
            if (pullingScrollview) {
                pullingScrollview = NO;
                [self.feedTitleGradient.layer setShadowOpacity:0];
                [self.webView insertSubview:self.feedTitleGradient aboveSubview:self.webView.scrollView];
                
                self.feedTitleGradient.frame = CGRectMake(0, -1,
                                                          self.feedTitleGradient.frame.size.width,
                                                          self.feedTitleGradient.frame.size.height);
                
                for (id subview in self.webView.scrollView.subviews) {
                    UIImageView *imgView = [subview isKindOfClass:[UIImageView class]] ?
                    (UIImageView*)subview : nil;
                    // image views whose image is 1px wide are shadow images, hide them
                    if (imgView && imgView.image.size.width == 1) {
                        imgView.hidden = NO;
                    }
                }
            }
        }
        
        if (appDelegate.storyPageControl.currentPage != self) return;
        
        int webpageHeight = self.webView.scrollView.contentSize.height;
        int viewportHeight = self.webView.scrollView.frame.size.height;
        int topPosition = self.webView.scrollView.contentOffset.y;
        int bottomPosition = webpageHeight - topPosition - viewportHeight;
        BOOL singlePage = webpageHeight - 200 <= viewportHeight;
        BOOL atBottom = bottomPosition < 150;
        BOOL atTop = topPosition < 10;
        if (!atTop && !atBottom && !singlePage) {
            // Hide
            [UIView animateWithDuration:.3 delay:0
                                options:UIViewAnimationOptionCurveEaseInOut
            animations:^{
                appDelegate.storyPageControl.traverseView.alpha = 0;
            } completion:^(BOOL finished) {
                
            }];
        } else if (singlePage) {
            CGRect tvf = appDelegate.storyPageControl.traverseView.frame;
            if (bottomPosition > 0) {
                appDelegate.storyPageControl.traverseView.frame = CGRectMake(tvf.origin.x,
                                                                             self.webView.scrollView.frame.size.height - tvf.size.height,
                                                                             tvf.size.width, tvf.size.height);
            } else {
                appDelegate.storyPageControl.traverseView.frame = CGRectMake(tvf.origin.x,
                                                                             (self.webView.scrollView.contentSize.height - self.webView.scrollView.contentOffset.y) - tvf.size.height,
                                                                             tvf.size.width, tvf.size.height);
            }
        } else if (!singlePage && (atTop && !atBottom)) {
            // Pin to bottom of viewport, regardless of scrollview
            appDelegate.storyPageControl.traversePinned = YES;
            appDelegate.storyPageControl.traverseFloating = NO;
            CGRect tvf = appDelegate.storyPageControl.traverseView.frame;
            appDelegate.storyPageControl.traverseView.frame = CGRectMake(tvf.origin.x,
                                                                         self.webView.scrollView.frame.size.height - tvf.size.height,
                                                                         tvf.size.width, tvf.size.height);
            [UIView animateWithDuration:.3 delay:0
                                options:UIViewAnimationOptionCurveEaseInOut
             animations:^{
                appDelegate.storyPageControl.traverseView.alpha = 1;
            } completion:nil];
        } else if (appDelegate.storyPageControl.traverseView.alpha == 1 &&
                   appDelegate.storyPageControl.traversePinned) {
            // Scroll with bottom of scrollview, but smoothly
            appDelegate.storyPageControl.traverseFloating = YES;
            CGRect tvf = appDelegate.storyPageControl.traverseView.frame;
            [UIView animateWithDuration:.3 delay:0
                                options:UIViewAnimationOptionCurveEaseInOut
             animations:^{
             appDelegate.storyPageControl.traverseView.frame = CGRectMake(tvf.origin.x,
                                                                         (self.webView.scrollView.contentSize.height - self.webView.scrollView.contentOffset.y) - tvf.size.height,
                                                                         tvf.size.width, tvf.size.height);
             } completion:^(BOOL finished) {
                 appDelegate.storyPageControl.traversePinned = NO;                 
             }];
        } else {
            // Scroll with bottom of scrollview
            appDelegate.storyPageControl.traversePinned = NO;
            appDelegate.storyPageControl.traverseFloating = YES;
            appDelegate.storyPageControl.traverseView.alpha = 1;
            CGRect tvf = appDelegate.storyPageControl.traverseView.frame;
            appDelegate.storyPageControl.traverseView.frame = CGRectMake(tvf.origin.x,
                                                                         (self.webView.scrollView.contentSize.height - self.webView.scrollView.contentOffset.y) - tvf.size.height,
                                                                         tvf.size.width, tvf.size.height);
        }
    }
}

- (void)setActiveStoryAtIndex:(NSInteger)activeStoryIndex {
    if (activeStoryIndex >= 0) {
        self.activeStory = [[appDelegate.storiesCollection.activeFeedStories
                             objectAtIndex:activeStoryIndex] mutableCopy];
    } else {
        self.activeStory = [appDelegate.activeStory mutableCopy];
    }
}

- (BOOL)webView:(UIWebView *)webView 
shouldStartLoadWithRequest:(NSURLRequest *)request
 navigationType:(UIWebViewNavigationType)navigationType {
    NSURL *url = [request URL];
    NSArray *urlComponents = [url pathComponents];
    NSString *action = @"";
    NSString *feedId = [NSString stringWithFormat:@"%@", [self.activeStory
                                                          objectForKey:@"story_feed_id"]];
    if ([urlComponents count] > 1) {
         action = [NSString stringWithFormat:@"%@", [urlComponents objectAtIndex:1]];
    }
    
//    NSLog(@"Tapped url: %@", url);
    // HACK: Using ios.newsblur.com to intercept the javascript share, reply, and edit events.
    // the pathComponents do not work correctly unless it is a correctly formed url
    // Is there a better way?  Someone show me the light
    if ([[url host] isEqualToString: @"ios.newsblur.com"]){
        // reset the active comment
        appDelegate.activeComment = nil;
        appDelegate.activeShareType = action;
        
        if ([action isEqualToString:@"reply"] || 
            [action isEqualToString:@"edit-reply"] ||
            [action isEqualToString:@"edit-share"] ||
            [action isEqualToString:@"like-comment"] ||
            [action isEqualToString:@"unlike-comment"]) {

            // search for the comment from friends comments
            NSArray *friendComments = [self.activeStory objectForKey:@"friend_comments"];
            for (int i = 0; i < friendComments.count; i++) {
                NSString *userId = [NSString stringWithFormat:@"%@", 
                                    [[friendComments objectAtIndex:i] objectForKey:@"user_id"]];
                if([userId isEqualToString:[NSString stringWithFormat:@"%@", 
                                            [urlComponents objectAtIndex:2]]]){
                    appDelegate.activeComment = [friendComments objectAtIndex:i];
                }
            }
            
            if (appDelegate.activeComment == nil) {
                NSArray *publicComments = [self.activeStory objectForKey:@"public_comments"];
                for (int i = 0; i < publicComments.count; i++) {
                    NSString *userId = [NSString stringWithFormat:@"%@", 
                                        [[publicComments objectAtIndex:i] objectForKey:@"user_id"]];
                    if([userId isEqualToString:[NSString stringWithFormat:@"%@", 
                                                [urlComponents objectAtIndex:2]]]){
                        appDelegate.activeComment = [publicComments objectAtIndex:i];
                    }
                }
            }
            
            if (appDelegate.activeComment == nil) {
                NSLog(@"PROBLEM! the active comment was not found in friend or public comments");
                return NO;
            }
            
            if ([action isEqualToString:@"reply"]) {
                [appDelegate showShareView:@"reply"
                                 setUserId:[NSString stringWithFormat:@"%@", [urlComponents objectAtIndex:2]]
                               setUsername:[NSString stringWithFormat:@"%@", [urlComponents objectAtIndex:3]]
                                setReplyId:nil];
            } else if ([action isEqualToString:@"edit-reply"]) {
                [appDelegate showShareView:@"edit-reply"
                                 setUserId:[NSString stringWithFormat:@"%@", [urlComponents objectAtIndex:2]]
                               setUsername:nil
                                setReplyId:[NSString stringWithFormat:@"%@", [urlComponents objectAtIndex:4]]];
            } else if ([action isEqualToString:@"edit-share"]) {
                [appDelegate showShareView:@"edit-share"
                                 setUserId:nil
                               setUsername:nil
                                setReplyId:nil];
            } else if ([action isEqualToString:@"like-comment"]) {
                [self toggleLikeComment:YES];
            } else if ([action isEqualToString:@"unlike-comment"]) {
                [self toggleLikeComment:NO];
            }
            return NO; 
        } else if ([action isEqualToString:@"share"]) {
            [self openShareDialog];
            return NO;
        } else if ([action isEqualToString:@"train"] && [urlComponents count] > 5) {
            [self openTrainingDialog:[[urlComponents objectAtIndex:2] intValue]
                         yCoordinate:[[urlComponents objectAtIndex:3] intValue]
                               width:[[urlComponents objectAtIndex:4] intValue]
                              height:[[urlComponents objectAtIndex:5] intValue]];
            return NO;
        } else if ([action isEqualToString:@"save"]) {
            BOOL isSaved = [appDelegate.storiesCollection toggleStorySaved:self.activeStory];
            if (isSaved) {
                [self openUserTagsDialog:[[urlComponents objectAtIndex:3] intValue]
                             yCoordinate:[[urlComponents objectAtIndex:4] intValue]
                                   width:[[urlComponents objectAtIndex:5] intValue]
                                  height:[[urlComponents objectAtIndex:6] intValue]];
            }
            return NO;
        } else if ([action isEqualToString:@"remove-user-tag"] || [action isEqualToString:@"add-user-tag"]) {
            [self openUserTagsDialog:[[urlComponents objectAtIndex:3] intValue]
                         yCoordinate:[[urlComponents objectAtIndex:4] intValue]
                               width:[[urlComponents objectAtIndex:5] intValue]
                              height:[[urlComponents objectAtIndex:6] intValue]];
            return NO;
        } else if ([action isEqualToString:@"classify-author"]) {
            NSString *author = [NSString stringWithFormat:@"%@", [urlComponents objectAtIndex:2]];
            [self.appDelegate toggleAuthorClassifier:author feedId:feedId];
            return NO;
        } else if ([action isEqualToString:@"classify-tag"]) {
            NSString *tag = [NSString stringWithFormat:@"%@", [urlComponents objectAtIndex:2]];
            [self.appDelegate toggleTagClassifier:tag feedId:feedId];
            return NO;
        } else if ([action isEqualToString:@"show-profile"] && [urlComponents count] > 6) {
            appDelegate.activeUserProfileId = [NSString stringWithFormat:@"%@", [urlComponents objectAtIndex:2]];
                        
            for (int i = 0; i < appDelegate.storiesCollection.activeFeedUserProfiles.count; i++) {
                NSString *userId = [NSString stringWithFormat:@"%@", [[appDelegate.storiesCollection.activeFeedUserProfiles objectAtIndex:i] objectForKey:@"user_id"]];
                if ([userId isEqualToString:appDelegate.activeUserProfileId]){
                    appDelegate.activeUserProfileName = [NSString stringWithFormat:@"%@", [[appDelegate.storiesCollection.activeFeedUserProfiles objectAtIndex:i] objectForKey:@"username"]];
                    break;
                }
            }
            
            
            [self showUserProfile:[urlComponents objectAtIndex:2]
                      xCoordinate:[[urlComponents objectAtIndex:3] intValue] 
                      yCoordinate:[[urlComponents objectAtIndex:4] intValue] 
                            width:[[urlComponents objectAtIndex:5] intValue] 
                           height:[[urlComponents objectAtIndex:6] intValue]];
            return NO; 
        }
    } else if ([url.host hasSuffix:@"itunes.apple.com"]) {
        [[UIApplication sharedApplication] openURL:url];
        return NO;
    }
    
    if (navigationType == UIWebViewNavigationTypeLinkClicked) {
//        NSLog(@"Link clicked, views: %@ = %@", appDelegate.navigationController.topViewController, appDelegate.masterContainerViewController.childViewControllers);
        if (appDelegate.isPresentingActivities) return NO;
        NSArray *subviews;
        if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
            subviews = [UIViewController
                        osk_parentMostViewControllerForPresentingViewController:
                        appDelegate.storyPageControl].view.subviews;
        } else {
            subviews = [UIViewController
                        osk_parentMostViewControllerForPresentingViewController:
                        appDelegate.storyPageControl].view.subviews;
        }
        for (UIView *view in subviews) {
//            NSLog(@" View? %@ - %d - %@", view, [view isFirstResponder], [view firstAvailableUIViewController]);
            if ([[view firstAvailableUIViewController]
                 isKindOfClass:[OSKActivitySheetViewController class]]) {
                return NO;
            }
        }
        
        [appDelegate showOriginalStory:url];
        return NO;
    }
    
    return YES;
}

- (void)showOriginalStory:(UIGestureRecognizer *)gesture {
    NSURL *url = [NSURL URLWithString:[appDelegate.activeStory
                                       objectForKey:@"story_permalink"]];
    [appDelegate.masterContainerViewController hidePopover];

    if (!gesture || [gesture isKindOfClass:[UITapGestureRecognizer class]]) {
        [appDelegate showOriginalStory:url];
        return;
    }
    
    if ([gesture isKindOfClass:[UIPinchGestureRecognizer class]] &&
        gesture.state == UIGestureRecognizerStateChanged &&
        [gesture numberOfTouches] >= 2) {
        CGPoint touch1 = [gesture locationOfTouch:0 inView:self.view];
        CGPoint touch2 = [gesture locationOfTouch:1 inView:self.view];
        CGPoint slope = CGPointMake(touch2.x-touch1.x, touch2.y-touch1.y);
        CGFloat distance = sqrtf(slope.x*slope.x + slope.y*slope.y);
        CGFloat scale = [(UIPinchGestureRecognizer *)gesture scale];
        
//        NSLog(@"Gesture: %f - %f", [(UIPinchGestureRecognizer *)gesture scale], distance);
        
        if ((distance < 150 && scale <= 1.5) ||
            (distance < 500 && scale <= 1.2)) {
            return;
        }
        [appDelegate showOriginalStory:url];
        gesture.enabled = NO;
        gesture.enabled = YES;
    }
}

- (void)showUserProfile:(NSString *)userId xCoordinate:(int)x yCoordinate:(int)y width:(int)width height:(int)height {
    CGRect frame = CGRectZero;
    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
        // only adjust for the bar if user is scrolling
        if (appDelegate.storiesCollection.isRiverView ||
            appDelegate.storiesCollection.isSocialView ||
            appDelegate.storiesCollection.isSavedView ||
            appDelegate.storiesCollection.isReadView) {
            if (self.webView.scrollView.contentOffset.y == -20) {
                y = y + 20;
            }
        } else {
            if (self.webView.scrollView.contentOffset.y == -9) {
                y = y + 9;
            }
        }  
        
        frame = CGRectMake(x, y, width, height);
    } 
    [appDelegate showUserProfileModal:[NSValue valueWithCGRect:frame]];
}

- (void)webViewDidStartLoad:(UIWebView *)webView {
    NSUserDefaults *userPreferences = [NSUserDefaults standardUserDefaults];
    [self changeFontSize:[userPreferences stringForKey:@"story_font_size"]];
    [self changeLineSpacing:[userPreferences stringForKey:@"story_line_spacing"]];

}

- (void)webViewDidFinishLoad:(UIWebView *)webView {
    [MBProgressHUD hideHUDForView:self.view animated:YES];
    NSUserDefaults *userPreferences = [NSUserDefaults standardUserDefaults];
    [self changeFontSize:[userPreferences stringForKey:@"story_font_size"]];
    [self changeLineSpacing:[userPreferences stringForKey:@"story_line_spacing"]];
    [self.webView stringByEvaluatingJavaScriptFromString:@"document.body.style.webkitTouchCallout='none';"];

    if ([appDelegate.storiesCollection.activeFeedStories count] &&
        self.activeStoryId &&
        ![self.webView.request.URL.absoluteString isEqualToString:@"about:blank"]) {
        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, .15 * NSEC_PER_SEC),
                       dispatch_get_main_queue(), ^{
            [self checkTryFeedStory];
        });
    }
}

- (void)checkTryFeedStory {
    // see if it's a tryfeed for animation
    if (!self.webView.hidden &&
        appDelegate.tryFeedCategory &&
        ([[self.activeStory objectForKey:@"id"] isEqualToString:appDelegate.tryFeedStoryId] ||
         [[self.activeStory objectForKey:@"story_hash"] isEqualToString:appDelegate.tryFeedStoryId])) {
        [MBProgressHUD hideHUDForView:appDelegate.storyPageControl.view animated:YES];
        
        if ([appDelegate.tryFeedCategory isEqualToString:@"comment_like"] ||
            [appDelegate.tryFeedCategory isEqualToString:@"comment_reply"]) {
            NSString *currentUserId = [NSString stringWithFormat:@"%@", [appDelegate.dictSocialProfile objectForKey:@"user_id"]];
            NSString *jsFlashString = [[NSString alloc] initWithFormat:@"slideToComment('%@', true, true);", currentUserId];
            [self.webView stringByEvaluatingJavaScriptFromString:jsFlashString];
        } else if ([appDelegate.tryFeedCategory isEqualToString:@"story_reshare"] ||
                   [appDelegate.tryFeedCategory isEqualToString:@"reply_reply"]) {
            NSString *blurblogUserId = [NSString stringWithFormat:@"%@", [self.activeStory objectForKey:@"social_user_id"]];
            NSString *jsFlashString = [[NSString alloc] initWithFormat:@"slideToComment('%@', true, true);", blurblogUserId];
            [self.webView stringByEvaluatingJavaScriptFromString:jsFlashString];
        }
        appDelegate.tryFeedCategory = nil;
    }
}

- (void)setFontStyle:(NSString *)fontStyle {
    NSString *jsString;
    NSString *fontStyleStr;
    NSUserDefaults *userPreferences = [NSUserDefaults standardUserDefaults];
    
    if ([fontStyle isEqualToString:@"Helvetica"]) {
        fontStyleStr = @"NB-helvetica";
    } else if ([fontStyle isEqualToString:@"Palatino"]) {
        fontStyleStr = @"NB-palatino";
    } else if ([fontStyle isEqualToString:@"Georgia"]) {
        fontStyleStr = @"NB-georgia";
    } else if ([fontStyle isEqualToString:@"Avenir"]) {
        fontStyleStr = @"NB-avenir";
    } else if ([fontStyle isEqualToString:@"AvenirNext"]) {
        fontStyleStr = @"NB-avenirnext";
    }
    [userPreferences setObject:fontStyleStr forKey:@"fontStyle"];
    [userPreferences synchronize];
    
    jsString = [NSString stringWithFormat:@
                "document.getElementById('NB-font-style').setAttribute('class', '%@')",
                fontStyleStr];
    
    [self.webView stringByEvaluatingJavaScriptFromString:jsString];
}

- (void)changeFontSize:(NSString *)fontSize {
    NSString *jsString = [[NSString alloc] initWithFormat:@"document.getElementById('NB-font-size').setAttribute('class', 'NB-%@')",
                          fontSize];
    
    [self.webView stringByEvaluatingJavaScriptFromString:jsString];
}

- (void)changeLineSpacing:(NSString *)lineSpacing {
    NSString *jsString = [[NSString alloc] initWithFormat:@"document.getElementById('NB-line-spacing').setAttribute('class', 'NB-line-spacing-%@')",
                          lineSpacing];
    
    [self.webView stringByEvaluatingJavaScriptFromString:jsString];
}

#pragma mark -
#pragma mark Actions

- (void)toggleLikeComment:(BOOL)likeComment {
    [appDelegate.storyPageControl showShareHUD:@"Favoriting"];
    NSString *urlString;
    if (likeComment) {
        urlString = [NSString stringWithFormat:@"%@/social/like_comment",
                               NEWSBLUR_URL];
    } else {
        urlString = [NSString stringWithFormat:@"%@/social/remove_like_comment",
                               NEWSBLUR_URL];
    }
    
    NSURL *url = [NSURL URLWithString:urlString];
    ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:url];
    
    
    [request setPostValue:[self.activeStory
                   objectForKey:@"id"] 
           forKey:@"story_id"];
    [request setPostValue:[self.activeStory
                           objectForKey:@"story_feed_id"] 
                   forKey:@"story_feed_id"];
    

    [request setPostValue:[appDelegate.activeComment objectForKey:@"user_id"] forKey:@"comment_user_id"];
    
    [request setDidFinishSelector:@selector(finishLikeComment:)];
    [request setDidFailSelector:@selector(requestFailed:)];
    [request setDelegate:self];
    [request startAsynchronous];
}

- (void)finishLikeComment:(ASIHTTPRequest *)request {
    NSString *responseString = [request responseString];
    NSData *responseData=[responseString dataUsingEncoding:NSUTF8StringEncoding];    
    NSError *error;
    NSDictionary *results = [NSJSONSerialization 
                             JSONObjectWithData:responseData
                             options:kNilOptions 
                             error:&error];
    
    if (request.responseStatusCode != 200) {
        return [self requestFailed:request];
    }
    
    // add the comment into the activeStory dictionary
    NSDictionary *newStory = [DataUtilities updateComment:results for:appDelegate];

    // update the current story and the activeFeedStories
    appDelegate.activeStory = newStory;
    [self setActiveStoryAtIndex:-1];
    
    NSMutableArray *newActiveFeedStories = [[NSMutableArray alloc] init];
    
    for (int i = 0; i < appDelegate.storiesCollection.activeFeedStories.count; i++)  {
        NSDictionary *feedStory = [appDelegate.storiesCollection.activeFeedStories objectAtIndex:i];
        NSString *storyId = [NSString stringWithFormat:@"%@", [feedStory objectForKey:@"story_hash"]];
        NSString *currentStoryId = [NSString stringWithFormat:@"%@", [self.activeStory objectForKey:@"story_hash"]];
        if ([storyId isEqualToString: currentStoryId]){
            [newActiveFeedStories addObject:newStory];
        } else {
            [newActiveFeedStories addObject:[appDelegate.storiesCollection.activeFeedStories objectAtIndex:i]];
        }
    }
    
    appDelegate.storiesCollection.activeFeedStories = [NSArray arrayWithArray:newActiveFeedStories];
    
    [MBProgressHUD hideHUDForView:appDelegate.storyPageControl.view animated:NO];
    [self refreshComments:@"like"];
} 


- (void)requestFailed:(ASIHTTPRequest *)request {    
    NSLog(@"Error in story detail: %@", [request error]);
    NSString *error;
    
    [MBProgressHUD hideHUDForView:appDelegate.storyPageControl.view animated:NO];
    
    if ([request error]) {
        error = [NSString stringWithFormat:@"%@", [request error]];
    } else {
        error = @"The server barfed!";
    }
    [self informError:error];
}

- (void)openShareDialog {
    // test to see if the user has commented
    // search for the comment from friends comments
    NSArray *friendComments = [self.activeStory objectForKey:@"friend_comments"];
    NSString *currentUserId = [NSString stringWithFormat:@"%@", [appDelegate.dictSocialProfile objectForKey:@"user_id"]];
    for (int i = 0; i < friendComments.count; i++) {
        NSString *userId = [NSString stringWithFormat:@"%@",
                            [[friendComments objectAtIndex:i] objectForKey:@"user_id"]];
        if([userId isEqualToString:currentUserId]){
            appDelegate.activeComment = [friendComments objectAtIndex:i];
            break;
        } else {
            appDelegate.activeComment = nil;
        }
    }
    
    if (appDelegate.activeComment == nil) {
        [appDelegate showShareView:@"share"
                         setUserId:nil
                       setUsername:nil
                        setReplyId:nil];
    } else {
        [appDelegate showShareView:@"edit-share"
                         setUserId:nil
                       setUsername:nil
                        setReplyId:nil];
    }
}

- (void)openTrainingDialog:(int)x yCoordinate:(int)y width:(int)width height:(int)height {
    CGRect frame = CGRectZero;
    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
        // only adjust for the bar if user is scrolling
        if (appDelegate.storiesCollection.isRiverView ||
            appDelegate.storiesCollection.isSocialView ||
            appDelegate.storiesCollection.isSavedView ||
            appDelegate.storiesCollection.isReadView) {
            if (self.webView.scrollView.contentOffset.y == -20) {
                y = y + 20;
            }
        } else {
            if (self.webView.scrollView.contentOffset.y == -9) {
                y = y + 9;
            }
        }
        
        frame = CGRectMake(x, y, width, height);
    }
    //    NSLog(@"Open trainer: %@ (%d/%d/%d/%d)", NSStringFromCGRect(frame), x, y, width, height);
    [appDelegate openTrainStory:[NSValue valueWithCGRect:frame]];
}

- (void)openUserTagsDialog:(int)x yCoordinate:(int)y width:(int)width height:(int)height {
    CGRect frame = CGRectZero;
    // only adjust for the bar if user is scrolling
    if (appDelegate.storiesCollection.isRiverView ||
        appDelegate.storiesCollection.isSocialView ||
        appDelegate.storiesCollection.isSavedView ||
        appDelegate.storiesCollection.isReadView) {
        if (self.webView.scrollView.contentOffset.y == -20) {
            y = y + 20;
        }
    } else {
        if (self.webView.scrollView.contentOffset.y == -9) {
            y = y + 9;
        }
    }
    
    frame = CGRectMake(x, y, width, height);

    [appDelegate openUserTagsStory:[NSValue valueWithCGRect:frame]];
}

- (void)tapImage:(UIGestureRecognizer *)gestureRecognizer {
    CGPoint pt = [self pointForGesture:gestureRecognizer];
    if (pt.x == CGPointZero.x && pt.y == CGPointZero.y) return;
//    NSLog(@"Tapped point: %@", NSStringFromCGPoint(pt));
    NSString *tagName = [webView stringByEvaluatingJavaScriptFromString:
                         [NSString stringWithFormat:@"linkAt(%li, %li, 'tagName');",
                          (long)pt.x,(long)pt.y]];
    
    if ([tagName isEqualToString:@"IMG"]) {
        [self showImageMenu:pt];
        [gestureRecognizer setEnabled:NO];
        [gestureRecognizer setEnabled:YES];
    }
}

- (void)tapAndHold:(NSNotification*)notification {
    CGPoint pt = [self pointForEvent:notification];
    if (pt.x == CGPointZero.x && pt.y == CGPointZero.y) return;
    
    NSString *tagName = [webView stringByEvaluatingJavaScriptFromString:
                         [NSString stringWithFormat:@"linkAt(%li, %li, 'tagName');",
                          (long)pt.x,(long)pt.y]];
    
    if ([tagName isEqualToString:@"IMG"]) {
        [self showImageMenu:pt];
    }
    
    if ([tagName isEqualToString:@"A"]) {
        [self showLinkContextMenu:pt];
    }
}

- (void)showImageMenu:(CGPoint)pt {
    NSString *title = [webView stringByEvaluatingJavaScriptFromString:
                       [NSString stringWithFormat:@"linkAt(%li, %li, 'title');",
                        (long)pt.x,(long)pt.y]];
    NSString *alt = [webView stringByEvaluatingJavaScriptFromString:
                     [NSString stringWithFormat:@"linkAt(%li, %li, 'alt');",
                      (long)pt.x,(long)pt.y]];
    NSString *src = [webView stringByEvaluatingJavaScriptFromString:
                     [NSString stringWithFormat:@"linkAt(%li, %li, 'src');",
                      (long)pt.x,(long)pt.y]];
    title = title.length ? title : alt;
    activeLongPressUrl = [NSURL URLWithString:src];
    
    UIActionSheet *actions = [[UIActionSheet alloc] initWithTitle:title.length ? title : nil
                                                         delegate:self
                                                cancelButtonTitle:@"Done"
                                           destructiveButtonTitle:nil
                                                otherButtonTitles:nil];
    actionSheetViewImageIndex = [actions addButtonWithTitle:@"View and zoom"];
    actionSheetCopyImageIndex = [actions addButtonWithTitle:@"Copy image"];
    actionSheetSaveImageIndex = [actions addButtonWithTitle:@"Save to camera roll"];
    [actions showFromRect:CGRectMake(pt.x, pt.y, 1, 1)
                   inView:appDelegate.storyPageControl.view animated:YES];
//    [actions showInView:appDelegate.storyPageControl.view];
}

- (void)showLinkContextMenu:(CGPoint)pt {
    NSString *href = [webView stringByEvaluatingJavaScriptFromString:
                      [NSString stringWithFormat:@"linkAt(%li, %li, 'href');",
                       (long)pt.x,(long)pt.y]];
    NSString *title = [webView stringByEvaluatingJavaScriptFromString:
                       [NSString stringWithFormat:@"linkAt(%li, %li, 'innerText');",
                        (long)pt.x,(long)pt.y]];
    NSURL *url = [NSURL URLWithString:href];
    
    if (!href || ![href length]) return;
    
    NSValue *ptValue = [NSValue valueWithCGPoint:pt];
    [appDelegate showSendTo:appDelegate.storyPageControl
                     sender:ptValue
                    withUrl:url
                 authorName:nil
                       text:nil
                      title:title
                  feedTitle:nil
                     images:nil];
}

- (CGPoint)pointForEvent:(NSNotification*)notification {
    if (self != appDelegate.storyPageControl.currentPage) return CGPointZero;
    if (!self.view.window) return CGPointZero;
    
    CGPoint pt;
    NSDictionary *coord = [notification object];
    pt.x = [[coord objectForKey:@"x"] floatValue];
    pt.y = [[coord objectForKey:@"y"] floatValue];
    
    // convert point from window to view coordinate system
    pt = [webView convertPoint:pt fromView:nil];
    
    // convert point from view to HTML coordinate system
    //    CGPoint offset  = [self.webView scrollOffset];
    CGSize viewSize = [self.webView frame].size;
    CGSize windowSize = [self.webView windowSize];
    
    CGFloat f = windowSize.width / viewSize.width;
    pt.x = pt.x * f;// + offset.x;
    pt.y = pt.y * f;// + offset.y;
    
    return pt;
}

- (CGPoint)pointForGesture:(UIGestureRecognizer *)gestureRecognizer {
    if (self != appDelegate.storyPageControl.currentPage) return CGPointZero;
    if (!self.view.window) return CGPointZero;
    
    CGPoint pt = [gestureRecognizer locationInView:appDelegate.storyPageControl.currentPage.webView];
    
    // convert point from view to HTML coordinate system
//    CGPoint offset  = [self.webView scrollOffset];
    CGSize viewSize = [self.webView frame].size;
    CGSize windowSize = [self.webView windowSize];
    
    CGFloat f = windowSize.width / viewSize.width;
    pt.x = pt.x * f;// + offset.x;
    pt.y = pt.y * f;// + offset.y;
    
    return pt;
}

- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex {
    if (buttonIndex == actionSheetViewImageIndex) {
        [appDelegate showOriginalStory:activeLongPressUrl];
    } else if (buttonIndex == actionSheetCopyImageIndex ||
               buttonIndex == actionSheetSaveImageIndex) {
        [self fetchImage:activeLongPressUrl buttonIndex:buttonIndex];
    }
}

- (void)fetchImage:(NSURL *)url buttonIndex:(NSInteger)buttonIndex {
    [MBProgressHUD hideHUDForView:self.webView animated:YES];
    [appDelegate.storyPageControl showShareHUD:buttonIndex == actionSheetCopyImageIndex ?
                                               @"Copying..." : @"Saving..."];
    
    NSURLRequest *urlRequest = [NSURLRequest requestWithURL:url];
    AFImageRequestOperation *requestOperation = [[AFImageRequestOperation alloc] initWithRequest:urlRequest];
    [requestOperation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
        UIImage *image = responseObject;
        if (buttonIndex == actionSheetCopyImageIndex) {
            [UIPasteboard generalPasteboard].image = image;
            [self flashCheckmarkHud:@"copied"];
        } else if (buttonIndex == actionSheetSaveImageIndex) {
            UIImageWriteToSavedPhotosAlbum(image, nil, nil, nil);
            [self flashCheckmarkHud:@"saved"];
        }
    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
        [MBProgressHUD hideHUDForView:self.webView animated:YES];
        [self informError:@"Could not fetch image"];
    }];
    [requestOperation start];
}

# pragma mark
# pragma mark Subscribing to blurblog

- (void)subscribeToBlurblog {
    [appDelegate.storyPageControl showShareHUD:@"Following"];
    NSString *urlString = [NSString stringWithFormat:@"%@/social/follow",
                     NEWSBLUR_URL];
    
    NSURL *url = [NSURL URLWithString:urlString];
    ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:url];
    
    [request setPostValue:[appDelegate.storiesCollection.activeFeed
                           objectForKey:@"user_id"] 
                   forKey:@"user_id"];

    [request setDidFinishSelector:@selector(finishSubscribeToBlurblog:)];
    [request setDidFailSelector:@selector(requestFailed:)];
    [request setDelegate:self];
    [request startAsynchronous];
} 

- (void)finishSubscribeToBlurblog:(ASIHTTPRequest *)request {
    [MBProgressHUD hideHUDForView:appDelegate.storyPageControl.view animated:NO];
    self.storyHUD = [MBProgressHUD showHUDAddedTo:self.webView animated:YES];
    self.storyHUD.customView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"37x-Checkmark.png"]];
    self.storyHUD.mode = MBProgressHUDModeCustomView;
    self.storyHUD.removeFromSuperViewOnHide = YES;  
    self.storyHUD.labelText = @"Followed";
    [self.storyHUD hide:YES afterDelay:1];
    appDelegate.storyPageControl.navigationItem.leftBarButtonItem = nil;
    [appDelegate reloadFeedsView:NO];
}

- (void)refreshComments:(NSString *)replyId {
    NSString *shareBarString = [self getShareBar];  
    
    NSString *commentString = [self getComments];  
    NSString *jsString = [[NSString alloc] initWithFormat:@
                          "document.getElementById('NB-comments-wrapper').innerHTML = '%@';"
                          "document.getElementById('NB-share-bar-wrapper').innerHTML = '%@';",
                          commentString, 
                          shareBarString];
    NSString *shareType = appDelegate.activeShareType;
    [self.webView stringByEvaluatingJavaScriptFromString:jsString];
    
    [self.webView stringByEvaluatingJavaScriptFromString:@"attachFastClick();"];

    // HACK to make the scroll event happen after the replace innerHTML event above happens.
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, .15 * NSEC_PER_SEC),
                   dispatch_get_main_queue(), ^{
        if (!replyId) {
            NSString *currentUserId = [NSString stringWithFormat:@"%@",
                                       [appDelegate.dictSocialProfile objectForKey:@"user_id"]];
            NSString *jsFlashString = [[NSString alloc]
                                       initWithFormat:@"slideToComment('%@', true);", currentUserId];
            [self.webView stringByEvaluatingJavaScriptFromString:jsFlashString];
        } else if ([replyId isEqualToString:@"like"]) {
            
        } else {
            NSString *jsFlashString = [[NSString alloc]
                                       initWithFormat:@"slideToComment('%@', true);", replyId];
            [self.webView stringByEvaluatingJavaScriptFromString:jsFlashString];
        }
    });
        

//    // adding in a simulated delay
//    sleep(1);
    
    [self flashCheckmarkHud:shareType];
    [self refreshSideoptions];
}

- (void)flashCheckmarkHud:(NSString *)messageType {
    [MBProgressHUD hideHUDForView:self.webView animated:NO];
    self.storyHUD = [MBProgressHUD showHUDAddedTo:self.webView animated:YES];
    self.storyHUD.customView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"37x-Checkmark.png"]];
    self.storyHUD.mode = MBProgressHUDModeCustomView;
    self.storyHUD.removeFromSuperViewOnHide = YES;
    
    if ([messageType isEqualToString:@"reply"]) {
        self.storyHUD.labelText = @"Replied";
    } else if ([messageType isEqualToString:@"edit-reply"]) {
        self.storyHUD.labelText = @"Edited Reply";
    } else if ([messageType isEqualToString:@"edit-share"]) {
        self.storyHUD.labelText = @"Edited Comment";
    } else if ([messageType isEqualToString:@"share"]) {
        self.storyHUD.labelText = @"Shared";
    } else if ([messageType isEqualToString:@"like-comment"]) {
        self.storyHUD.labelText = @"Favorited";
    } else if ([messageType isEqualToString:@"unlike-comment"]) {
        self.storyHUD.labelText = @"Unfavorited";
    } else if ([messageType isEqualToString:@"saved"]) {
        self.storyHUD.labelText = @"Saved";
    } else if ([messageType isEqualToString:@"unsaved"]) {
        self.storyHUD.labelText = @"No longer saved";
    } else if ([messageType isEqualToString:@"unread"]) {
        self.storyHUD.labelText = @"Unread";
    } else if ([messageType isEqualToString:@"added"]) {
        self.storyHUD.labelText = @"Added";
    } else if ([messageType isEqualToString:@"copied"]) {
        self.storyHUD.labelText = @"Copied";
    } else if ([messageType isEqualToString:@"saved"]) {
        self.storyHUD.labelText = @"Saved";
    }
    [self.storyHUD hide:YES afterDelay:1];
}

- (void)scrolltoComment {
    NSString *currentUserId = [NSString stringWithFormat:@"%@", [appDelegate.dictSocialProfile objectForKey:@"user_id"]];
    NSString *jsFlashString = [[NSString alloc] initWithFormat:@"slideToComment('%@', true);", currentUserId];
    [self.webView stringByEvaluatingJavaScriptFromString:jsFlashString];
}

- (NSString *)textToHtml:(NSString*)htmlString {
    htmlString = [htmlString stringByReplacingOccurrencesOfString:@"'"  withString:@"&#039;"];
    htmlString = [htmlString stringByReplacingOccurrencesOfString:@"\n"  withString:@"<br/>"];
    return htmlString;
}

- (void)changeWebViewWidth {
//    NSLog(@"changeWebViewWidth: %@", NSStringFromCGRect(self.view.frame));
    int contentWidth = self.appDelegate.storyPageControl.view.frame.size.width;
    UIInterfaceOrientation orientation = [UIApplication sharedApplication].statusBarOrientation;
    NSString *contentWidthClass;

    if (UIInterfaceOrientationIsLandscape(orientation) && UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
        contentWidthClass = @"NB-ipad-wide";
    } else if (!UIInterfaceOrientationIsLandscape(orientation) && UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
        contentWidthClass = @"NB-ipad-narrow";
    } else if (UIInterfaceOrientationIsLandscape(orientation) && UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) {
        contentWidthClass = @"NB-iphone-wide";
    } else {
        contentWidthClass = @"NB-iphone";
    }
    
    contentWidthClass = [NSString stringWithFormat:@"%@ NB-width-%d",
                         contentWidthClass, (int)floorf(CGRectGetWidth(self.view.frame))];
    
    NSString *riverClass = (appDelegate.storiesCollection.isRiverView ||
                            appDelegate.storiesCollection.isSocialView ||
                            appDelegate.storiesCollection.isSavedView ||
                            appDelegate.storiesCollection.isReadView) ?
                            @"NB-river" : @"NB-non-river";
    
    NSString *jsString = [[NSString alloc] initWithFormat:
                          @"$('body').attr('class', '%@ %@');"
                          "document.getElementById(\"viewport\").setAttribute(\"content\", \"width=%i;initial-scale=1; maximum-scale=1.0; user-scalable=0;\");",
                          contentWidthClass,
                          riverClass,
                          contentWidth];
    [self.webView stringByEvaluatingJavaScriptFromString:jsString];
    
//    self.webView.hidden = NO;
}

- (void)refreshHeader {
    NSString *headerString = [[[self getHeader] stringByReplacingOccurrencesOfString:@"\'" withString:@"\\'"]
                              stringByReplacingOccurrencesOfString:@"\n" withString:@" "];
    NSString *jsString = [NSString stringWithFormat:@"document.getElementById('NB-header-container').innerHTML = '%@';",
                          headerString];
    
    [self.webView stringByEvaluatingJavaScriptFromString:jsString];
    
    [self.webView stringByEvaluatingJavaScriptFromString:@"attachFastClick();"];
}

- (void)refreshSideoptions {
    NSString *sideoptionsString = [[[self getSideoptions] stringByReplacingOccurrencesOfString:@"\'" withString:@"\\'"]
                              stringByReplacingOccurrencesOfString:@"\n" withString:@" "];
    NSString *jsString = [NSString stringWithFormat:@"document.getElementById('NB-sideoptions-container').innerHTML = '%@';",
                          sideoptionsString];
    
    [self.webView stringByEvaluatingJavaScriptFromString:jsString];
    
    [self.webView stringByEvaluatingJavaScriptFromString:@"attachFastClick();"];
}

#pragma mark -
#pragma mark Text view

- (void)showStoryView {
    self.inTextView = NO;
    [MBProgressHUD hideHUDForView:self.webView animated:YES];
    [appDelegate.storyPageControl setTextButton:self];
    [self drawStory];
}

- (void)fetchTextView {
    if (!self.activeStoryId || !self.activeStory) return;
    self.inTextView = YES;
//    NSLog(@"Fetching Text: %@", [self.activeStory objectForKey:@"story_title"]);
    [MBProgressHUD hideHUDForView:self.webView animated:YES];
    MBProgressHUD *HUD = [MBProgressHUD showHUDAddedTo:self.webView animated:YES];
    HUD.labelText = @"Fetching text...";
    
    NSString *urlString = [NSString stringWithFormat:@"%@/rss_feeds/original_text",
                           NEWSBLUR_URL];
    ASIFormDataRequest *request = [self formRequestWithURL:urlString];
    [request addPostValue:[self.activeStory objectForKey:@"id"] forKey:@"story_id"];
    [request addPostValue:[self.activeStory objectForKey:@"story_feed_id"] forKey:@"feed_id"];
    [request setUserInfo:@{@"storyId": [self.activeStory objectForKey:@"id"]}];
    [request setDidFinishSelector:@selector(finishFetchTextView:)];
    [request setDidFailSelector:@selector(failedFetchText::)];
    [request setDelegate:self];
    [request startAsynchronous];
}

- (void)failedFetchText:(ASIHTTPRequest *)request {
    [MBProgressHUD hideHUDForView:self.webView animated:YES];
    [self informError:@"Could not fetch text"];
    self.inTextView = NO;
    [appDelegate.storyPageControl setTextButton:self];
}

- (void)finishFetchTextView:(ASIHTTPRequest *)request {
    NSString *responseString = [request responseString];
    NSData *responseData = [responseString dataUsingEncoding:NSUTF8StringEncoding];
    NSError *error;
    NSDictionary *results = [NSJSONSerialization
                             JSONObjectWithData:responseData
                             options:kNilOptions
                             error:&error];
    
    if ([[results objectForKey:@"failed"] boolValue]) {
        [self failedFetchText:request];
        return;
    }
    
    if (![[request.userInfo objectForKey:@"storyId"]
          isEqualToString:[self.activeStory objectForKey:@"id"]]) {
        [MBProgressHUD hideHUDForView:self.webView animated:YES];
        self.inTextView = NO;
        [appDelegate.storyPageControl setTextButton:self];
        return;
    }
    
    NSMutableDictionary *newActiveStory = [self.activeStory mutableCopy];
    [newActiveStory setObject:[results objectForKey:@"original_text"] forKey:@"original_text"];
    self.activeStory = newActiveStory;
    
    [MBProgressHUD hideHUDForView:self.webView animated:YES];
    
    self.inTextView = YES;
    
    [self drawStory];
    
//    NSLog(@"Fetched Text: %@", [self.activeStory objectForKey:@"story_title"]);
}


@end