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- /*****************************************************************************
- * VLCLocalServerListViewController.m
- * VLC for iOS
- *****************************************************************************
- * Copyright (c) 2013-2015 VideoLAN. All rights reserved.
- * $Id$
- *
- * Authors: Felix Paul Kühne <fkuehne # videolan.org>
- * Pierre SAGASPE <pierre.sagaspe # me.com>
- * Tobias Conradi <videolan # tobias-conradi.de>
- *
- * Refer to the COPYING file of the official project for license.
- *****************************************************************************/
- #import "VLCLocalServerDiscoveryController.h"
- #import "Reachability.h"
- #import "VLCLocalNetworkServiceBrowser-Protocol.h"
- @interface VLCLocalServerDiscoveryController () <VLCLocalNetworkServiceBrowserDelegate>
- {
- NSArray<id<VLCLocalNetworkServiceBrowser>> *_serviceBrowsers;
- Reachability *_reachability;
- }
- @end
- @implementation VLCLocalServerDiscoveryController
- - (instancetype)initWithServiceBrowserClasses:(NSArray<Class> *)serviceBrowserClasses
- {
- self = [super init];
- if (!self)
- return nil;
- NSNotificationCenter *defaultCenter = [NSNotificationCenter defaultCenter];
- [defaultCenter addObserver:self
- selector:@selector(stopDiscovery)
- name:UIApplicationWillResignActiveNotification
- object:[UIApplication sharedApplication]];
- [defaultCenter addObserver:self
- selector:@selector(startDiscovery)
- name:UIApplicationDidBecomeActiveNotification
- object:[UIApplication sharedApplication]];
- NSMutableArray *serviceBrowsers = [NSMutableArray new];
- for (Class browserClass in serviceBrowserClasses) {
- if ([browserClass conformsToProtocol:@protocol(VLCLocalNetworkServiceBrowser)]) {
- [serviceBrowsers addObject:[[browserClass alloc] init]];
- }
- }
- _serviceBrowsers = [serviceBrowsers copy];
- [_serviceBrowsers enumerateObjectsUsingBlock:^(id<VLCLocalNetworkServiceBrowser> _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
- obj.delegate = self;
- }];
- [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(netReachabilityChanged) name:kReachabilityChangedNotification object:nil];
- _reachability = [Reachability reachabilityForLocalWiFi];
- [_reachability startNotifier];
- return self;
- }
- - (void)dealloc
- {
- [[NSNotificationCenter defaultCenter] removeObserver:self];
- [_reachability stopNotifier];
- [self stopDiscovery];
- }
- - (void)startDiscovery
- {
- if (_reachability.currentReachabilityStatus != ReachableViaWiFi) {
- return;
- }
- [_serviceBrowsers makeObjectsPerformSelector:@selector(startDiscovery)];
- }
- - (void)stopDiscovery
- {
- [_serviceBrowsers makeObjectsPerformSelector:@selector(stopDiscovery)];
- }
- - (BOOL)refreshDiscoveredData
- {
- if (_reachability.currentReachabilityStatus != ReachableViaWiFi)
- return NO;
- [self stopDiscovery];
- [self startDiscovery];
- return YES;
- }
- #pragma mark - Reachability
- - (void)netReachabilityChanged
- {
- if (_reachability.currentReachabilityStatus == ReachableViaWiFi) {
- [self startDiscovery];
- } else {
- [self stopDiscovery];
- }
- }
- #pragma mark - data source
- - (NSUInteger)numberOfSections {
- return _serviceBrowsers.count;
- }
- - (NSString *)titleForSection:(NSUInteger)section
- {
- id<VLCLocalNetworkServiceBrowser> browser = _serviceBrowsers[section];
- return browser.name;
- }
- - (NSUInteger)numberOfItemsInSection:(NSUInteger)section
- {
- id<VLCLocalNetworkServiceBrowser> browser = _serviceBrowsers[section];
- return browser.numberOfItems;
- }
- - (id<VLCLocalNetworkService>)networkServiceForIndexPath:(NSIndexPath *)indexPath
- {
- NSUInteger section = indexPath.section;
- NSUInteger row = indexPath.row;
- id<VLCLocalNetworkServiceBrowser> browser = _serviceBrowsers[section];
- return [browser networkServiceForIndex:row];
- }
- - (BOOL)foundAnythingAtAll
- {
- NSUInteger serviceCount = _serviceBrowsers.count;
- BOOL ret = NO;
- for (NSUInteger i = 0; i < serviceCount; i++) {
- ret = [_serviceBrowsers[i] numberOfItems] > 0;
- if (ret)
- break;
- }
- return ret;
- }
- #pragma mark - VLCLocalNetworkServiceBrowserDelegate
- - (void)localNetworkServiceBrowserDidUpdateServices:(id<VLCLocalNetworkServiceBrowser>)serviceBrowser {
- if ([self.delegate respondsToSelector:@selector(discoveryFoundSomethingNew)]) {
- [self.delegate discoveryFoundSomethingNew];
- }
- }
- @end
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