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#import <Foundation/Foundation.h>
#import "MGLTypes.h"
NS_ASSUME_NONNULL_BEGIN
@protocol MGLCalloutViewDelegate;
@protocol MGLAnnotation;
/**
A protocol for a `UIView` subclass that displays information about a selected
annotation near that annotation.
*/
@protocol MGLCalloutView <NSObject>
/**
An object conforming to the `MGLAnnotation` protocol whose details this callout
view displays.
*/
@property (nonatomic, strong) id <MGLAnnotation> representedObject;
/**
A view that the user may tap to perform an action. This view is conventionally
positioned on the left side of the callout view.
*/
@property (nonatomic, strong) UIView *leftAccessoryView;
/**
A view that the user may tap to perform an action. This view is conventionally
positioned on the right side of the callout view.
*/
@property (nonatomic, strong) UIView *rightAccessoryView;
/**
An object conforming to the `MGLCalloutViewDelegate` method that receives
messages related to the callout view’s interactive subviews.
*/
@property (nonatomic, weak) id<MGLCalloutViewDelegate> delegate;
/**
Presents a callout view by adding it to `view` and pointing at the given rect
of `view`’s bounds. Constrains the callout to the bounds of the given view.
*/
- (void)presentCalloutFromRect:(CGRect)rect inView:(UIView *)view constrainedToView:(UIView *)constrainedView animated:(BOOL)animated;
/**
Dismisses the callout view.
*/
- (void)dismissCalloutAnimated:(BOOL)animated;
@end
/**
The `MGLCalloutViewDelegate` protocol defines a set of optional methods that
you can use to receive messages from an object that conforms to the
`MGLCalloutView` protocol. The callout view uses these methods to inform the
delegate that the user has interacted with the the callout view.
*/
@protocol MGLCalloutViewDelegate <NSObject>
@optional
/**
Returns a Boolean value indicating whether the entire callout view “highlights”
when tapped. The default value is `YES`, which means the callout view
highlights when tapped.
The return value of this method is ignored unless the delegate also responds to
the `-calloutViewTapped` method.
*/
- (BOOL)calloutViewShouldHighlight:(UIView<MGLCalloutView> *)calloutView;
/**
Tells the delegate that the callout view has been tapped.
*/
- (void)calloutViewTapped:(UIView<MGLCalloutView> *)calloutView;
/**
Called before the callout view appears on screen, or before the appearance
animation will start.
*/
- (void)calloutViewWillAppear:(UIView<MGLCalloutView> *)calloutView;
/**
Called after the callout view appears on screen, or after the appearance
animation is complete.
*/
- (void)calloutViewDidAppear:(UIView<MGLCalloutView> *)calloutView;
@end
NS_ASSUME_NONNULL_END
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