summaryrefslogtreecommitdiff
path: root/platform/osx/include/MGLMapViewDelegate.h
diff options
context:
space:
mode:
Diffstat (limited to 'platform/osx/include/MGLMapViewDelegate.h')
-rw-r--r--platform/osx/include/MGLMapViewDelegate.h199
1 files changed, 199 insertions, 0 deletions
diff --git a/platform/osx/include/MGLMapViewDelegate.h b/platform/osx/include/MGLMapViewDelegate.h
new file mode 100644
index 0000000000..fcd013284d
--- /dev/null
+++ b/platform/osx/include/MGLMapViewDelegate.h
@@ -0,0 +1,199 @@
+#import <Foundation/Foundation.h>
+
+#import "MGLTypes.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class MGLMapView;
+@class MGLAnnotationImage;
+@class MGLPolygon;
+@class MGLPolyline;
+@class MGLShape;
+
+/** The MGLMapViewDelegate protocol defines a set of optional methods that you
+ can use to receive messages from an MGLMapView instance. Because many map
+ operations require the MGLMapView class to load data asynchronously, the map
+ view calls these methods to notify your application when specific operations
+ complete. The map view also uses these methods to request information about
+ annotations displayed on the map, such as the styles and interaction modes
+ to apply to individual annotations. */
+@protocol MGLMapViewDelegate <NSObject>
+
+@optional
+
+#pragma mark Responding to map viewpoint changes
+/** @name Responding to Map Viewpoint Changes */
+
+/** Tells the delegate that the viewpoint depicted by the map view is about to
+ change.
+
+ This method is called whenever the currently displayed map camera will start
+ changing for any reason.
+
+ @param mapView The map view whose viewpoint will change.
+ @param animated Whether the change will cause an animated effect on the map.
+ */
+- (void)mapView:(MGLMapView *)mapView cameraWillChangeAnimated:(BOOL)animated;
+
+/** Tells the delegate that the viewpoint depicted by the map view is changing.
+
+ This method is called as the currently displayed map camera changes due to
+ animation. During movement, this method may be called many times to report
+ updates to the viewpoint. Therefore, your implementation of this method
+ should be as lightweight as possible to avoid affecting performance.
+
+ @param mapView The map view whose viewpoint is changing. */
+- (void)mapViewCameraIsChanging:(MGLMapView *)mapView;
+
+/** Tells the delegate that the viewpoint depicted by the map view has finished
+ changing.
+
+ This method is called whenever the currently displayed map camera has
+ finished changing.
+
+ @param mapView The map view whose viewpoint has changed.
+ @param animated Whether the change caused an animated effect on the map. */
+- (void)mapView:(MGLMapView *)mapView cameraDidChangeAnimated:(BOOL)animated;
+
+#pragma mark Loading the map
+/** @name Loading the Map */
+
+/** Tells the delegate that the map view will begin to load.
+
+ This method is called whenever the map view starts loading, including when a
+ new style has been set and the map must reload.
+
+ @param mapView The map view that is starting to load. */
+- (void)mapViewWillStartLoadingMap:(MGLMapView *)mapView;
+
+/** Tells the delegate that the map view has finished loading.
+
+ This method is called whenever the map view finishes loading, either after
+ the initial load or after a style change has forced a reload.
+
+ @param mapView The map view that has finished loading. */
+- (void)mapViewDidFinishLoadingMap:(MGLMapView *)mapView;
+
+- (void)mapViewWillStartRenderingMap:(MGLMapView *)mapView;
+- (void)mapViewDidFinishRenderingMap:(MGLMapView *)mapView fullyRendered:(BOOL)fullyRendered;
+- (void)mapViewWillStartRenderingFrame:(MGLMapView *)mapView;
+- (void)mapViewDidFinishRenderingFrame:(MGLMapView *)mapView fullyRendered:(BOOL)fullyRendered;
+
+#pragma mark Managing the display of annotations
+/** @name Managing the Display of Annotations */
+
+/** Returns an annotation image object to mark the given point annotation object
+ on the map.
+
+ @param mapView The map view that requested the annotation image.
+ @param annotation The object representing the annotation that is about to be
+ displayed.
+ @return The image object to display for the given annotation or `nil` if you
+ want to display the default marker image. */
+- (nullable MGLAnnotationImage *)mapView:(MGLMapView *)mapView imageForAnnotation:(id <MGLAnnotation>)annotation;
+
+/** Returns the alpha value to use when rendering a shape annotation.
+
+ A value of 0.0 results in a completely transparent shape. A value of 1.0,
+ the default, results in a completely opaque shape.
+
+ @param mapView The map view rendering the shape annotation.
+ @param annotation The annotation being rendered.
+ @return An alpha value between 0 and 1.0. */
+- (CGFloat)mapView:(MGLMapView *)mapView alphaForShapeAnnotation:(MGLShape *)annotation;
+
+/** Returns the color to use when rendering the outline of a shape annotation.
+
+ The default stroke color is the selected menu item color. If a pattern
+ color is specified, the result is undefined.
+
+ @param mapView The map view rendering the shape annotation.
+ @param annotation The annotation being rendered.
+ @return A color to use for the shape outline. */
+- (NSColor *)mapView:(MGLMapView *)mapView strokeColorForShapeAnnotation:(MGLShape *)annotation;
+
+/** Returns the color to use when rendering the fill of a polygon annotation.
+
+ The default fill color is selected menu item color. If a pattern color
+ is specified, the result is undefined.
+
+ @param mapView The map view rendering the polygon annotation.
+ @param annotation The annotation being rendered.
+ @return The polygon’s interior fill color. */
+- (NSColor *)mapView:(MGLMapView *)mapView fillColorForPolygonAnnotation:(MGLPolygon *)annotation;
+
+/** Returns the line width in points to use when rendering the outline of a
+ polyline annotation.
+
+ By default, the polyline is outlined with a line 3.0 points wide.
+
+ @param mapView The map view rendering the polygon annotation.
+ @param annotation The annotation being rendered.
+ @return A line width for the polyline, measured in points. */
+- (CGFloat)mapView:(MGLMapView *)mapView lineWidthForPolylineAnnotation:(MGLPolyline *)annotation;
+
+#pragma mark Selecting annotations
+/** @name Selecting annotations */
+
+/** Tells the delegate that one of its annotations has been selected.
+
+ You can use this method to track changes to the selection state of
+ annotations.
+
+ @param mapView The map view containing the annotation.
+ @param annotation The annotation that was selected. */
+- (void)mapView:(MGLMapView *)mapView didSelectAnnotation:(id <MGLAnnotation>)annotation;
+
+/** Tells the delegate that one of its annotations has been deselected.
+
+ You can use this method to track changes in the selection state of
+ annotations.
+
+ @param mapView The map view containing the annotation.
+ @param annotation The annotation that was deselected. */
+- (void)mapView:(MGLMapView *)mapView didDeselectAnnotation:(id <MGLAnnotation>)annotation;
+
+#pragma mark Displaying information about annotations
+/** @name Displaying Information About Annotations */
+
+/** Returns a Boolean value indicating whether the annotation is able to display
+ extra information in a callout popover.
+
+ This method is called after an annotation is selected, before any callout is
+ displayed for the annotation.
+
+ If the return value is `YES`, a callout popover is shown when the user
+ clicks on a selected annotation. The default callout displays the
+ annotation’s title and subtitle. You can customize the popover’s contents by
+ implementing the -mapView:calloutViewControllerForAnnotation: method.
+
+ If the return value is `NO`, or if this method is unimplemented, or if the
+ annotation lacks a title, the annotation will not show a callout even when
+ selected.
+
+ @param mapView The map view that has selected the annotation.
+ @param annotation The object representing the annotation.
+ @return A Boolean value indicating whether the annotation should show a
+ callout.
+ */
+- (BOOL)mapView:(MGLMapView *)mapView annotationCanShowCallout:(id <MGLAnnotation>)annotation;
+
+/** Returns a view controller to manage the callout popover’s content view.
+
+ Like any instance of NSPopover, an annotation callout manages its contents
+ with a view controller. The annotation object is the view controller’s
+ represented object. This means that you can bind controls in the view
+ controller’s content view to KVO-compliant properties of the annotation
+ object, such as -title and -subtitle.
+
+ If each annotation should have an identical callout, you can set the
+ MGLMapView instance’s -setCalloutViewController: method instead.
+
+ @param mapView The map view that is requesting a callout view controller.
+ @param annotation The object representing the annotation.
+ @return A view controller for the given annotation. */
+- (nullable NSViewController *)mapView:(MGLMapView *)mapView calloutViewControllerForAnnotation:(id <MGLAnnotation>)annotation;
+
+@end
+
+NS_ASSUME_NONNULL_END