Repo created

iphone/Maps/Classes/CustomViews/NavigationDashboard/Views/RoutePreview/MWMiPhoneRoutePreview.m

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+#import "MWMiPhoneRoutePreview.h"
+#import "MWMAvailableAreaAffectDirection.h"
+
+@interface MWMRoutePreview ()
+
+@property(nonatomic) BOOL isVisible;
+
+@end
+
+@interface MWMiPhoneRoutePreview ()
+@property(weak, nonatomic) IBOutlet UIButton * backButton;
+@property(nonatomic) NSLayoutConstraint * verticalConstraint;
+@end
+
+@implementation MWMiPhoneRoutePreview
+
+- (void)setupConstraints
+{
+  UIView * sv = self.superview;
+  [self.leadingAnchor constraintEqualToAnchor:sv.leadingAnchor].active = YES;
+  [self.trailingAnchor constraintEqualToAnchor:sv.trailingAnchor].active = YES;
+  self.verticalConstraint = [self.bottomAnchor constraintEqualToAnchor:sv.topAnchor];
+  self.verticalConstraint.active = YES;
+
+  NSLayoutXAxisAnchor * backLeadingAnchor = sv.leadingAnchor;
+  backLeadingAnchor = sv.safeAreaLayoutGuide.leadingAnchor;
+  [self.backButton.leadingAnchor constraintEqualToAnchor:backLeadingAnchor].active = YES;
+
+  [sv layoutIfNeeded];
+}
+
+- (void)setIsVisible:(BOOL)isVisible
+{
+  UIView * sv = self.superview;
+  if (!sv)
+    return;
+  self.verticalConstraint.active = NO;
+  NSLayoutYAxisAnchor * topAnchor = sv.topAnchor;
+  NSLayoutYAxisAnchor * selfAnchor = isVisible ? self.topAnchor : self.bottomAnchor;
+  CGFloat constant = 0;
+  if (isVisible)
+  {
+    topAnchor = sv.topAnchor;
+  }
+  self.verticalConstraint = [selfAnchor constraintEqualToAnchor:topAnchor constant:constant];
+  self.verticalConstraint.active = YES;
+  [super setIsVisible:isVisible];
+}
+
+#pragma mark - AvailableArea / VisibleArea
+
+- (MWMAvailableAreaAffectDirections)visibleAreaAffectDirections
+{
+  return MWMAvailableAreaAffectDirectionsTop;
+}
+
+#pragma mark - AvailableArea / SideButtonsArea
+
+- (MWMAvailableAreaAffectDirections)sideButtonsAreaAffectDirections
+{
+  return MWMAvailableAreaAffectDirectionsTop;
+}
+
+#pragma mark - AvailableArea / TrafficButtonArea
+
+- (MWMAvailableAreaAffectDirections)trafficButtonAreaAffectDirections
+{
+  return MWMAvailableAreaAffectDirectionsTop;
+}
+
+#pragma mark - AvailableArea / TrackRecordingButtonArea
+
+- (MWMAvailableAreaAffectDirections)trackRecordingButtonAreaAffectDirections
+{
+  return MWMAvailableAreaAffectDirectionsTop;
+}
+
+@end