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GoogleLocalConnection.h
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//
// GoogleLocalConnection.h
//
// Created by Victor C Van Hee on 1/24/11.
// Copyright 2011 Victor C. Van Hee. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
//
// If you use this code, I ask that you attribute me (Victor C. Van Hee).
// Also, I'd appreciate it if you would provide a link / trackback to my
// blog post about this code (if you have a website or blog):
// http://www.totagogo.com/2011/02/08/google-local-search-ios-code/
#import <Foundation/Foundation.h>
#import "JSON.h"
#import "GoogleLocalObject.h"
@protocol GoogleLocalConnectionDelegate;
@interface GoogleLocalConnection : NSObject {
id <GoogleLocalConnectionDelegate> delegate;
NSMutableData *responseData;
NSURLConnection *connection;
BOOL connectionIsActive;
int minAccuracyValue;
}
@property (nonatomic, assign) id <GoogleLocalConnectionDelegate> delegate;
@property (nonatomic, retain) NSMutableData *responseData;
@property (nonatomic, retain) NSURLConnection *connection;
@property (nonatomic, assign) BOOL connectionIsActive;
@property (nonatomic, assign) int minAccuracyValue;
// useful functions
-(id)initWithDelegate:(id)del;
-(void)getGoogleObjectsWithQuery:(NSString *)query andMapRegion:(MKCoordinateRegion)region andNumberOfResults:(int)numResults addressesOnly:(BOOL)addressOnly andReferer:(NSString *)referer;
-(void)cancelGetGoogleObjects;
// local functions
-(MKCoordinateRegion)getViewPortForGoogleSearchResults:(NSMutableArray *)googleLocalObjectArray andGoogleViewport:(NSDictionary *)googleViewPort;
-(MKCoordinateRegion)makeRegionFromViewportCornersAndCenter:(CLLocationCoordinate2D)center NELat:(NSString *)NELat NELng:(NSString *)NELng SWLat:(NSString *)SWLat SWLng:(NSString *)SWLng;
@end
@protocol GoogleLocalConnectionDelegate
- (void) googleLocalConnection:(GoogleLocalConnection *)conn didFinishLoadingWithGoogleLocalObjects:(NSMutableArray *)objects andViewPort:(MKCoordinateRegion)region;
- (void) googleLocalConnection:(GoogleLocalConnection *)conn didFailWithError:(NSError *)error;
@end