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#import "MWMPlacePageCellUpdateProtocol.h"
#import "MWMBookmarkCell.h"
#import "MWMPlacePageProtocol.h"
#import "UIColor+MapsMeColor.h"
#import "UIFont+MapsMeFonts.h"
namespace
{
void * kContext = &kContext;
NSString * const kTextViewContentSizeKeyPath = @"contentSize";
} // namespace
@interface MWMBookmarkCell ()
@property(weak, nonatomic) IBOutlet UITextView * textView;
@property(weak, nonatomic) IBOutlet UIImageView * spinner;
@property(weak, nonatomic) IBOutlet UIButton * editButton;
@property(weak, nonatomic) IBOutlet UIImageView * gradientView;
@property(nonatomic) IBOutlet NSLayoutConstraint * textViewHeight;
@property(weak, nonatomic) IBOutlet NSLayoutConstraint * moreButtonHeight;
@property(nonatomic) IBOutlet NSLayoutConstraint * textViewZeroHeight;
@property(weak, nonatomic) id<MWMPlacePageCellUpdateProtocol> updateCellDelegate;
@property(weak, nonatomic) id<MWMPlacePageButtonsProtocol> editBookmarkDelegate;
@property(copy, nonatomic) NSAttributedString * attributedHTML;
@property (nonatomic) BOOL isOpen;
@end
@implementation MWMBookmarkCell
- (void)awakeFromNib
{
[super awakeFromNib];
[self registerObserver];
}
- (void)dealloc
{
[self unregisterObserver];
}
- (void)unregisterObserver
{
[self.textView removeObserver:self forKeyPath:kTextViewContentSizeKeyPath context:kContext];
}
- (void)registerObserver
{
[self.textView addObserver:self forKeyPath:kTextViewContentSizeKeyPath options:NSKeyValueObservingOptionNew context:kContext];
}
- (void)observeValueForKeyPath:(NSString *)keyPath
ofObject:(id)object
change:(NSDictionary *)change
context:(void *)context
{
if (context == kContext)
{
NSValue * s = change[@"new"];
CGFloat const height = s.CGSizeValue.height;
auto const boundedHeight = self.textViewHeight.constant;
if (height < boundedHeight || self.isOpen)
[self stateOpen:YES];
else if (height > boundedHeight && !self.isOpen)
[self stateOpen:NO];
[self setNeedsLayout];
[self.updateCellDelegate updateCellWithForceReposition:NO];
return;
}
[super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
}
- (void)configureWithText:(NSString *)text
updateCellDelegate:(id<MWMPlacePageCellUpdateProtocol>)updateCellDelegate
editBookmarkDelegate:(id<MWMPlacePageButtonsProtocol>)editBookmarkDelegate
isHTML:(BOOL)isHTML
{
self.attributedHTML = nil;
self.isOpen = NO;
self.textViewHeight.active = NO;
self.textViewZeroHeight.active = NO;
self.updateCellDelegate = updateCellDelegate;
self.editBookmarkDelegate = editBookmarkDelegate;
if (!text.length)
{
[self configWithEmptyDescription];
}
else if (isHTML)
{
[self configHTML:text];
}
else
{
[self configPlain:text];
}
}
- (void)configWithEmptyDescription
{
[self stopSpinner];
[self stateOpen:YES];
self.textViewZeroHeight.active = YES;
}
- (void)configHTML:(NSString *)text
{
if (self.attributedHTML)
{
[self stopSpinner];
self.textViewZeroHeight.active = NO;
self.textView.attributedText = self.attributedHTML;
if (fabs(self.textView.contentSize.height - 0.5) < 1)
[self.textView sizeToFit];
}
else
{
self.textViewZeroHeight.active = YES;
[self startSpinner];
[self stateOpen:YES];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSDictionary<NSString *, id> * attr = @{
NSForegroundColorAttributeName : [UIColor blackPrimaryText],
NSFontAttributeName : [UIFont regular16]
};
NSError * error = nil;
NSMutableAttributedString * str = [[NSMutableAttributedString alloc]
initWithData:[text dataUsingEncoding:NSUnicodeStringEncoding]
options:@{
NSDocumentTypeDocumentAttribute : NSHTMLTextDocumentType
}
documentAttributes:nil
error:&error];
if (error)
{
// If we failed while attempting to render html than just show plain text in bookmark.
// Ussualy there is a problem only in iOS7.
self.attributedHTML = [[NSAttributedString alloc] initWithString:text attributes:attr];
}
else
{
[str addAttributes:attr range:{0, str.length}];
self.attributedHTML = str;
}
dispatch_async(dispatch_get_main_queue(), ^{
[self configHTML:nil];
});
});
}
}
- (void)configPlain:(NSString *)text
{
[self stopSpinner];
self.textView.text = text;
}
- (void)stateOpen:(BOOL)isOpen
{
self.moreButtonHeight.constant = isOpen ? 0 : 33;
self.textViewHeight.active = !isOpen;
self.gradientView.hidden = isOpen;
}
- (void)startSpinner
{
// self.textViewZeroHeight.active = YES;
self.editButton.hidden = YES;
NSUInteger const animationImagesCount = 12;
NSMutableArray * animationImages = [NSMutableArray arrayWithCapacity:animationImagesCount];
NSString * postfix = [UIColor isNightMode] ? @"dark" : @"light";
for (NSUInteger i = 0; i < animationImagesCount; ++i)
animationImages[i] =
[UIImage imageNamed:[NSString stringWithFormat:@"Spinner_%@_%@", @(i + 1), postfix]];
self.spinner.animationDuration = 0.8;
self.spinner.animationImages = animationImages;
self.spinner.hidden = NO;
[self.spinner startAnimating];
}
- (void)stopSpinner
{
[self.spinner stopAnimating];
self.editButton.hidden = NO;
self.spinner.hidden = YES;
}
- (IBAction)moreTap
{
self.isOpen = YES;
[self stateOpen:YES];
[self setNeedsLayout];
// [self.delegate updateCellWithForceReposition:NO];
}
- (IBAction)editTap
{
[self.editBookmarkDelegate editBookmark];
}
@end
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