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TargetRemoteSystemTableViewController.m
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TargetRemoteSystemTableViewController.m
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//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
#import "TargetRemoteSystemTableViewController.h"
#import <ConnectedDevices/ConnectedDevices.h>
#import <MessageUI/MFMailComposeViewController.h>
#import "AppDelegate.h"
#import "AuthenticationViewController.h"
@implementation TargetRemoteSystemTableViewController
{
BOOL clearTable;
}
- (id)initWithStyle:(UITableViewStyle)style
{
self = [super initWithStyle:style];
return self;
}
- (AppDataSource*)applicationData
{
id<AppDelegateProtocol> dataDelegate = (id<AppDelegateProtocol>)[UIApplication sharedApplication].delegate;
return (AppDataSource*)dataDelegate.dataSource;
}
- (void)viewDidLoad
{
[super viewDidLoad];
self.navigationItem.hidesBackButton = YES;
UIRefreshControl* refreshControl = [UIRefreshControl new];
[refreshControl addTarget:self action:@selector(refreshPeerSystemQuery) forControlEvents:UIControlEventValueChanged];
self.refreshControl = refreshControl;
self.navigationController.navigationBar.translucent = NO;
}
- (void)prepareForSegue:(UIStoryboardSegue*)segue sender:(__unused id)sender
{
if ([segue.identifier isEqualToString:@"signOut"])
{
((AuthenticationViewController*)segue.destinationViewController).shouldSignOut = YES;
}
}
- (void)refreshPeerSystemQuery
{
if (self.discoveredSystems)
{
[self.remoteSystemDiscoveryManager stopDiscovery];
}
self.discoveredSystems = [NSMutableArray new];
self.remoteSystemDiscoveryManager = [[CDRemoteSystemDiscoveryManager alloc] initWithDelegate:self];
[self.remoteSystemDiscoveryManager startDiscovery];
[self setPrompt:@"Discovering All Devices..."];
[self refreshTable];
[self.refreshControl beginRefreshing];
}
- (void)viewWillAppear:(BOOL)animated
{
clearTable = YES;
[self.tableView reloadData];
clearTable = NO;
[self refreshPeerSystemQuery];
[super viewWillAppear:animated];
}
- (void)viewWillDisappear:(BOOL)animated
{
[super viewWillDisappear:animated];
[self setPrompt:nil];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
#pragma mark - Table view data source
- (NSInteger)numberOfSectionsInTableView:(__unused UITableView*)tableView
{
return 1;
}
- (NSInteger)tableView:(__unused UITableView*)tableView numberOfRowsInSection:(__unused NSInteger)section
{
if (clearTable)
{
return 0;
}
else
{
return [self.discoveredSystems count];
}
}
- (UITableViewCell*)tableView:(UITableView*)tableView cellForRowAtIndexPath:(NSIndexPath*)indexPath
{
UITableViewCell* cell = [tableView dequeueReusableCellWithIdentifier:@"TargetCell"];
if ([self.discoveredSystems count] == 0)
{
return nil;
}
CDRemoteSystem* system = self.discoveredSystems[indexPath.row];
cell.textLabel.text = system.displayName;
if (system.isAvailableByProximity)
{
cell.detailTextLabel.text = @"Available Proximally";
}
else
{
cell.detailTextLabel.text = @"Available via Cloud";
}
cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
return cell;
}
- (void)tableView:(__unused UITableView*)tableView didSelectRowAtIndexPath:(NSIndexPath*)indexPath
{
self.applicationData.selectedSystem = [self.discoveredSystems objectAtIndex:indexPath.row];
dispatch_async(dispatch_get_main_queue(), ^(void) {
[self performSegueWithIdentifier:@"appContentSegue" sender:self];
});
}
- (void)setPrompt:(NSString*)newPrompt
{
dispatch_async(dispatch_get_main_queue(), ^(void) {
self.navigationItem.prompt = newPrompt;
});
}
- (void)refreshTable
{
dispatch_async(dispatch_get_main_queue(), ^(void) {
[self.tableView reloadData];
[self.tableView setNeedsLayout];
[self.tableView setNeedsDisplay];
});
}
#pragma mark CDRemoveSystemDiscoveryManagerDelegate
- (void)remoteSystemDiscoveryManager:(__unused CDRemoteSystemDiscoveryManager*)discoveryManager
didFind:(CDRemoteSystem*)remoteSystem
{
@synchronized(self)
{
if ([remoteSystem.displayName length] > 0)
{
[self.discoveredSystems addObject:remoteSystem];
[self refreshTable];
}
}
}
- (void)remoteSystemDiscoveryManager:(__unused CDRemoteSystemDiscoveryManager*)discoveryManager
didUpdate:(CDRemoteSystem*)remoteSystem
{
NSString* id = remoteSystem.id;
@synchronized(self)
{
for (unsigned i = 0; i < self.discoveredSystems.count; i++)
{
CDRemoteSystem* currentRemoteSystem = [self.discoveredSystems objectAtIndex:i];
NSString* currentId = currentRemoteSystem.id;
if ([currentId isEqualToString:id])
{
[self.discoveredSystems replaceObjectAtIndex:i withObject:remoteSystem];
break;
}
}
[self refreshTable];
}
}
- (void)remoteSystemDiscoveryManagerDidComplete:(__unused CDRemoteSystemDiscoveryManager*)discoveryManager
withError:(NSError*)error
{
if (error)
{
[self setPrompt:@"Discovery Complete with Error"];
}
else
{
[self setPrompt:@"Discovery Complete"];
}
[self.refreshControl endRefreshing];
}
@end