1 files changed, 101 insertions, 0 deletions
diff --git a/iphone/Maps/Classes/MWMPPView.mm b/iphone/Maps/Classes/MWMPPView.mm
new file mode 100644
index 0000000000..d6c80dd84a
--- /dev/null
+++ b/iphone/Maps/Classes/MWMPPView.mm
@@ -0,0 +1,101 @@
+#import "MWMPPView.h"
+#import "UIColor+MapsMeColor.h"
+
+namespace
+{
+void * kContext = &kContext;
+NSString * const kTableViewContentSizeKeyPath = @"contentSize";
+
+} // namespace
+
+#pragma mark - MWMPPScrollView
+
+@implementation MWMPPScrollView
+
+- (instancetype)initWithFrame:(CGRect)frame inactiveView:(UIView *)inactiveView
+{
+  self = [super initWithFrame:frame];
+  if (self)
+    _inactiveView = inactiveView;
+  return self;
+}
+
+- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event
+{
+  if (point.y > [self convertRect:self.inactiveView.bounds fromView:self.inactiveView].origin.y)
+    return YES;
+  return NO;
+}
+
+@end
+
+#pragma mark - MWMPPView
+
+@implementation MWMPPView
+
+- (void)hideTableView:(BOOL)isHidden
+{
+  if (isHidden)
+  {
+    self.tableView.alpha = 0.;
+    self.spinner.hidden = NO;
+    [self.spinner startAnimating];
+  }
+  else
+  {
+    self.tableView.alpha = 1.;
+    self.spinner.hidden = YES;
+    [self.spinner stopAnimating];
+  }
+}
+
+- (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;
+    if (fabs(height - self.currentContentHeight) > 0.5)
+    {
+      self.currentContentHeight = height;
+      self.height = height + self.top.height;
+      [self setNeedsLayout];
+      [self.delegate updateWithHeight:self.height];
+    }
+    return;
+  }
+
+  [super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
+}
+
+- (void)awakeFromNib
+{
+  [super awakeFromNib];
+  [self.tableView addObserver:self forKeyPath:kTableViewContentSizeKeyPath options:NSKeyValueObservingOptionNew context:kContext];
+
+  self.tableView.estimatedRowHeight = 44.;
+  self.tableView.rowHeight = UITableViewAutomaticDimension;
+
+  self.tableView.contentInset = {.top = -36};
+
+  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 startAnimating];
+}
+
+- (void)dealloc
+{
+  [self.tableView removeObserver:self forKeyPath:kTableViewContentSizeKeyPath context:kContext];
+}
+
+@end
+