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#import "Common.h"
#import "MapsAppDelegate.h"
#import "MWMPlacePageBookmarkCell.h"
#import "Statistics.h"
#import "UIColor+MapsMeColor.h"
#import "UIFont+MapsMeFonts.h"
namespace
{
CGFloat const kBoundedTextViewHeight = 240.;
CGFloat const kTextViewTopOffset = 12.;
CGFloat const kMoreButtonHeight = 33.;
CGFloat const kTextViewLeft = 16.;
void performRenderingInConcurrentQueue(TMWMVoidBlock block)
{
if (!block) return;
// We can't render html in the background queue in iOS7.
if (isIOS7) block();
else dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), block);
}
} // namespace
@interface MWMPlacePageBookmarkCell () <UITextFieldDelegate, UITextViewDelegate>
@property (weak, nonatomic) IBOutlet UITextView * textView;
@property (weak, nonatomic) IBOutlet UIButton * moreButton;
@property (weak, nonatomic) IBOutlet UIButton * editButton;
@property (weak, nonatomic) IBOutlet UIImageView * separator;
@property (weak, nonatomic) IBOutlet UIImageView * gradient;
@property (weak, nonatomic) IBOutlet UIImageView * spinner;
@property (weak, nonatomic) IBOutlet NSLayoutConstraint * textViewTopOffset;
@property (weak, nonatomic) IBOutlet NSLayoutConstraint * textViewBottomOffset;
@property (weak, nonatomic) IBOutlet NSLayoutConstraint * textViewHeight;
@property (weak, nonatomic) IBOutlet NSLayoutConstraint * moreButtonHeight;
@property (weak, nonatomic) id<MWMPlacePageBookmarkDelegate> delegate;
@property (copy, nonatomic) NSAttributedString * attributedHtml;
@property (copy, nonatomic) NSString * cachedHtml;
@end
@implementation MWMPlacePageBookmarkCell
- (void)configWithText:(NSString *)text
delegate:(id<MWMPlacePageBookmarkDelegate>)delegate
placePageWidth:(CGFloat)width
isOpen:(BOOL)isOpen
isHtml:(BOOL)isHtml
{
self.delegate = delegate;
self.textView.width = width - 2 * kTextViewLeft;
BOOL const isEmpty = text.length == 0;
if (isEmpty)
[self configEmptyDescription];
else if (isHtml)
[self configHtmlDescription:text isOpen:isOpen];
else
[self configPlaintTextDescription:text isOpen:isOpen];
}
- (void)configEmptyDescription
{
self.textView.hidden = self.separator.hidden = self.gradient.hidden = self.moreButton.hidden = self.spinner.hidden = YES;
self.textViewTopOffset.constant = self.textViewBottomOffset.constant = self.textViewHeight.constant =
self.moreButtonHeight.constant = 0;
}
- (void)startSpinner
{
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;
}
- (void)configPlaintTextDescription:(NSString *)text isOpen:(BOOL)isOpen
{
self.spinner.hidden = YES;
[self textViewScrollEnabled:YES];
self.textViewTopOffset.constant = kTextViewTopOffset;
self.textView.hidden = self.separator.hidden = NO;
self.textView.text = text;
CGFloat const textViewHeight = self.textView.contentSize.height;
if (textViewHeight > kBoundedTextViewHeight && !isOpen)
{
self.textViewHeight.constant = kBoundedTextViewHeight;
self.moreButton.hidden = self.gradient.hidden = NO;
self.moreButtonHeight.constant = kMoreButtonHeight;
self.textViewBottomOffset.constant = 0;
}
else
{
self.textViewHeight.constant = textViewHeight;
self.moreButton.hidden = self.gradient.hidden = YES;
self.moreButtonHeight.constant = 0;
self.textViewBottomOffset.constant = kTextViewTopOffset;
}
[self textViewScrollEnabled:NO];
}
- (void)configHtmlDescription:(NSString *)text isOpen:(BOOL)isOpen
{
// html already was rendered and text is same as text which was cached into html
if (self.attributedHtml && [self.cachedHtml isEqualToString:text])
{
[self textViewScrollEnabled:YES];
self.textViewTopOffset.constant = kTextViewTopOffset;
self.textView.hidden = self.separator.hidden = NO;
self.textView.attributedText = self.attributedHtml;
CGFloat const textViewHeight = self.textView.contentSize.height;
if (textViewHeight > kBoundedTextViewHeight && !isOpen)
{
self.textViewHeight.constant = kBoundedTextViewHeight;
self.moreButton.hidden = self.gradient.hidden = NO;
self.moreButtonHeight.constant = kMoreButtonHeight;
self.textViewBottomOffset.constant = 0;
}
else
{
self.textViewHeight.constant = textViewHeight;
self.moreButton.hidden = self.gradient.hidden = YES;
self.moreButtonHeight.constant = 0;
self.textViewBottomOffset.constant = kTextViewTopOffset;
}
[self textViewScrollEnabled:NO];
}
else
{
[self configEmptyDescription];
[self startSpinner];
performRenderingInConcurrentQueue(^
{
self.cachedHtml = text;
NSDictionary<NSString *, id> * attr = @{NSForegroundColorAttributeName : [UIColor blackPrimaryText],
NSFontAttributeName : [UIFont regular12]};
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 stopSpinner];
[self.delegate reloadBookmark];
});
});
}
}
- (void)textViewScrollEnabled:(BOOL)isEnabled
{
// Here is hook for iOS7 because if we disable scrol in iOS7 content size will be incorrect.
if (!isIOS7)
self.textView.scrollEnabled = isEnabled;
}
- (IBAction)moreTap
{
[self.delegate moreTap];
}
- (IBAction)editTap
{
[self.delegate editBookmarkTap];
}
- (CGFloat)cellHeight
{
return self.textViewTopOffset.constant + self.textViewHeight.constant +
self.textViewBottomOffset.constant + self.moreButtonHeight.constant +
self.separator.height + self.editButton.height;
}
#pragma mark - UITextViewDelegate
- (BOOL)textView:(UITextView *)textView shouldInteractWithURL:(NSURL *)URL inRange:(NSRange)characterRange
{
UIViewController * vc = static_cast<UIViewController *>(MapsAppDelegate.theApp.mapViewController);
[vc openUrl:URL];
return NO;
}
@end
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