124 lines
4.8 KiB
Objective-C
124 lines
4.8 KiB
Objective-C
// NearbySpotsViewController.m
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//
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// Copyright (c) 2011 Gowalla (http://gowalla.com/)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#import "NearbySpotsController.h"
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#import "Spot.h"
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#import "AFImageRequestOperation.h"
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#import "AFImageCache.h"
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@interface NearbySpotsController ()
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@property (strong) NSArray *nearbySpots;
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@property (strong) CLLocationManager *locationManager;
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@property (strong) NSOperationQueue *imageOperationQueue;
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- (void)loadSpotsForLocation:(CLLocation *)location;
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@end
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@implementation NearbySpotsController
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@synthesize nearbySpots = _nearbySpots;
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@synthesize locationManager = _locationManager;
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@synthesize imageOperationQueue = _imageOperationQueue;
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@synthesize tableView = _tableView;
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- (id)init {
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self = [super init];
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if (!self) {
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return nil;
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}
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self.nearbySpots = [NSArray array];
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self.locationManager = [[CLLocationManager alloc] init];
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self.locationManager.delegate = self;
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self.locationManager.distanceFilter = 80.0;
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self.imageOperationQueue = [[NSOperationQueue alloc] init];
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self.imageOperationQueue.maxConcurrentOperationCount = 8;
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return self;
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}
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- (void)awakeFromNib {
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// Load from a fixed location, in case location services are disabled or unavailable
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CLLocation *austin = [[CLLocation alloc] initWithLatitude:30.2669444 longitude:-97.7427778];
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[self loadSpotsForLocation:austin];
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[self.locationManager startUpdatingLocation];
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}
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- (void)loadSpotsForLocation:(CLLocation *)location {
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[Spot spotsWithURLString:@"/spots" near:location parameters:[NSDictionary dictionaryWithObject:@"128" forKey:@"per_page"] block:^(NSArray *records) {
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self.nearbySpots = [records sortedArrayUsingComparator:^ NSComparisonResult(id obj1, id obj2) {
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CLLocationDistance d1 = [[(Spot *)obj1 location] distanceFromLocation:location];
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CLLocationDistance d2 = [[(Spot *)obj2 location] distanceFromLocation:location];
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if (d1 < d2) {
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return NSOrderedAscending;
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} else if (d1 > d2) {
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return NSOrderedDescending;
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} else {
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return NSOrderedSame;
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}
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}];
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[self.tableView reloadData];
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}];
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}
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#pragma mark - CLLocationManagerDelegate
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- (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation {
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[self loadSpotsForLocation:newLocation];
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}
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#pragma mark - NSTableViewDataSource
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- (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView {
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return [self.nearbySpots count];
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}
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// The following is what happens when a longtime iOS dev attempts to work with AppKit. I'm sure there's a _much_ better way to do this.
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- (id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row {
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Spot *spot = [self.nearbySpots objectAtIndex:row];
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if ([[tableColumn dataCell] isMemberOfClass:[NSImageCell class]]) {
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NSURL *imageURL = [NSURL URLWithString:spot.imageURLString];
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NSImage *image = [[AFImageCache sharedImageCache] cachedImageForURL:imageURL cacheName:nil];
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if (!image) {
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NSURLRequest *imageRequest = [NSURLRequest requestWithURL:[NSURL URLWithString:spot.imageURLString]];
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AFImageRequestOperation *operation = [AFImageRequestOperation imageRequestOperationWithRequest:imageRequest success:^(NSImage *image) {
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[tableView reloadDataForRowIndexes:[NSIndexSet indexSetWithIndex:row] columnIndexes:[NSIndexSet indexSetWithIndex:0]];
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}];
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[self.imageOperationQueue addOperation:operation];
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image = [NSImage imageNamed:@"placeholder-stamp.png"];
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}
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return image;
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} else {
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return spot.name;
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}
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}
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@end
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