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- //
- // GMSAutocompleteTableDataSource.h
- // Google Places SDK for iOS
- //
- // Copyright 2016 Google LLC
- //
- // Usage of this SDK is subject to the Google Maps/Google Earth APIs Terms of
- // Service: https://developers.google.com/maps/terms
- //
- #import <UIKit/UIKit.h>
- #import "GMSAutocompleteFilter.h"
- #import "GMSAutocompletePrediction.h"
- #import "GMSPlace.h"
- #import "GMSPlaceFieldMask.h"
- #import "GMSPlacesDeprecationUtils.h"
- @class GMSAutocompleteTableDataSource;
- NS_ASSUME_NONNULL_BEGIN
- /**
- * Protocol used by |GMSAutocompleteTableDataSource|, to communicate the user's interaction with the
- * data source to the application.
- */
- @protocol GMSAutocompleteTableDataSourceDelegate <NSObject>
- @required
- /**
- * Called when a place has been selected from the available autocomplete predictions.
- * @param tableDataSource The |GMSAutocompleteTableDataSource| that generated the event.
- * @param place The |GMSPlace| that was returned.
- */
- - (void)tableDataSource:(GMSAutocompleteTableDataSource *)tableDataSource
- didAutocompleteWithPlace:(GMSPlace *)place;
- /**
- * Called when a non-retryable error occurred when retrieving autocomplete predictions or place
- * details. A non-retryable error is defined as one that is unlikely to be fixed by immediately
- * retrying the operation.
- * <p>
- * Only the following values of |GMSPlacesErrorCode| are retryable:
- * <ul>
- * <li>kGMSPlacesNetworkError
- * <li>kGMSPlacesServerError
- * <li>kGMSPlacesInternalError
- * </ul>
- * All other error codes are non-retryable.
- * @param tableDataSource The |GMSAutocompleteTableDataSource| that generated the event.
- * @param error The |NSError| that was returned.
- */
- - (void)tableDataSource:(GMSAutocompleteTableDataSource *)tableDataSource
- didFailAutocompleteWithError:(NSError *)error;
- @optional
- /**
- * Called when the user selects an autocomplete prediction from the list but before requesting
- * place details. Returning NO from this method will suppress the place details fetch and
- * didAutocompleteWithPlace will not be called.
- * @param tableDataSource The |GMSAutocompleteTableDataSource| that generated the event.
- * @param prediction The |GMSAutocompletePrediction| that was selected.
- */
- - (BOOL)tableDataSource:(GMSAutocompleteTableDataSource *)tableDataSource
- didSelectPrediction:(GMSAutocompletePrediction *)prediction;
- /**
- * Called once every time new autocomplete predictions are received.
- * @param tableDataSource The |GMSAutocompleteTableDataSource| that generated the event.
- */
- - (void)didUpdateAutocompletePredictionsForTableDataSource:
- (GMSAutocompleteTableDataSource *)tableDataSource;
- /**
- * Called once immediately after a request for autocomplete predictions is made.
- * @param tableDataSource The |GMSAutocompleteTableDataSource| that generated the event.
- */
- - (void)didRequestAutocompletePredictionsForTableDataSource:
- (GMSAutocompleteTableDataSource *)tableDataSource;
- @end
- /**
- * GMSAutocompleteTableDataSource provides an interface for providing place autocomplete
- * predictions to populate a UITableView by implementing the UITableViewDataSource and
- * UITableViewDelegate protocols.
- *
- * GMSAutocompleteTableDataSource is designed to be used as the data source for a
- * UISearchDisplayController.
- *
- * NOTE: UISearchDisplayController has been deprecated since iOS 8. It is now recommended to use
- * UISearchController with |GMSAutocompleteResultsViewController| to display autocomplete results
- * using the iOS search UI.
- *
- * Set an instance of GMSAutocompleteTableDataSource as the searchResultsDataSource and
- * searchResultsDelegate properties of UISearchDisplayController. In your implementation of
- * shouldReloadTableForSearchString, call sourceTextHasChanged with the current search string.
- *
- * Use the |GMSAutocompleteTableDataSourceDelegate| delegate protocol to be notified when a place is
- * selected from the list. Because autocomplete predictions load asynchronously, it is necessary
- * to implement didUpdateAutocompletePredictions and call reloadData on the
- * UISearchDisplayController's table view.
- *
- */
- @interface GMSAutocompleteTableDataSource : NSObject <UITableViewDataSource, UITableViewDelegate>
- /** Delegate to be notified when a place is selected or picking is cancelled. */
- @property(nonatomic, weak, nullable) IBOutlet id<GMSAutocompleteTableDataSourceDelegate> delegate;
- /** Filter to apply to autocomplete suggestions (can be nil). */
- @property(nonatomic, strong, nullable) GMSAutocompleteFilter *autocompleteFilter;
- /** The background color of table cells. */
- @property(nonatomic, strong) UIColor *tableCellBackgroundColor;
- /** The color of the separator line between table cells. */
- @property(nonatomic, strong) UIColor *tableCellSeparatorColor;
- /** The color of result name text in autocomplete results */
- @property(nonatomic, strong) UIColor *primaryTextColor;
- /** The color used to highlight matching text in autocomplete results */
- @property(nonatomic, strong) UIColor *primaryTextHighlightColor;
- /** The color of the second row of text in autocomplete results. */
- @property(nonatomic, strong) UIColor *secondaryTextColor;
- /** The tint color applied to controls in the Autocomplete view. */
- @property(nonatomic, strong, nullable) UIColor *tintColor;
- /**
- * The |GMSPlaceField| for specifying explicit place details to be requested. Default returns
- * all available fields.
- */
- @property(nonatomic, assign) GMSPlaceField placeFields;
- /** Designated initializer */
- - (instancetype)init NS_DESIGNATED_INITIALIZER;
- /**
- * Notify the data source that the source text to autocomplete has changed.
- *
- * This method should only be called from the main thread. Calling this method from another thread
- * will result in undefined behavior. Calls to |GMSAutocompleteTableDataSourceDelegate| methods will
- * also be called on the main thread.
- *
- * This method is non-blocking.
- * @param text The partial text to autocomplete.
- */
- - (void)sourceTextHasChanged:(nullable NSString *)text;
- /**
- * Clear all predictions.
- *
- * NOTE: This will call the two delegate methods below:
- *
- * - |didUpdateAutocompletePredictionsForResultsController:|
- * - |didRequestAutocompletePredictionsForResultsController:|
- *
- * The implementation of this method is guaranteed to call these synchronously and in-order.
- */
- - (void)clearResults;
- @end
- NS_ASSUME_NONNULL_END
|