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// -*- Mode: ObjC; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
//
// This file is part of the LibreOffice project.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#import "CommunicationManager.h"
#import "Client.h"
#import "Server.h"
#import "SlideShow.h"
#import "CommandTransmitter.h"
#import "CommandInterpreter.h"
#import "BasePresentationViewController.h"
#import "MainSplitViewController.h"
#import "ServerListViewController.h"
#import <dispatch/dispatch.h>
#import <SystemConfiguration/SystemConfiguration.h>
#import <SystemConfiguration/CaptiveNetwork.h>
#define ExistingServersKey @"CommunicationManager.ExistingServers"
@interface CommunicationManager() <UIAlertViewDelegate>
@end
// Singlton Pattern
@implementation CommunicationManager
@synthesize client = _client;
@synthesize state = _state;
@synthesize interpreter = _interpreter;
@synthesize transmitter = _transmitter;
@synthesize servers = _servers;
@synthesize delegate = _delegate;
@synthesize autoDiscoveryServers = _autoDiscoveryServers;
+ (CommunicationManager *)sharedComManager
{
static CommunicationManager *sharedComManager = nil;
static dispatch_once_t _singletonPredicate;
dispatch_once(&_singletonPredicate, ^{
sharedComManager = [[super allocWithZone:nil] initWithExistingServers];
});
return sharedComManager;
}
+ (id)fetchSSIDInfo {
NSArray *ifs = (__bridge_transfer id)CNCopySupportedInterfaces();
id info = nil;
for (NSString *ifnam in ifs) {
info = (__bridge_transfer id)CNCopyCurrentNetworkInfo((__bridge CFStringRef)ifnam);
NSLog(@"%@ => %@", ifnam, info);
if (info && [info count]) { break; }
}
return info;
}
- (void) connectionStatusHandler:(NSNotification *)note
{
if([[note name] isEqualToString:@"connection.status.connected"]){
if (self.state!=CONNECTED){
NSLog(@"Connected, waiting for pairing response");
// A 5 seconds timer waiting for pairing response.
[self.client startConnectionTimeoutTimerwithInterval:5.0];
self.transmitter = [[CommandTransmitter alloc] initWithClient:self.client];
}
} else if ([[note name] isEqualToString:@"connection.status.disconnected"]){
if ([self.delegate respondsToSelector:@selector(disableSpinner)])
[self.delegate disableSpinner];
if (self.state != DISCONNECTED) {
NSLog(@"Connection Failed");
self.state = DISCONNECTED;
if ([self.delegate isKindOfClass:[ServerListViewController class]]){
dispatch_async(dispatch_get_main_queue(), ^{
UIAlertView *message = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Failed to reach server", @"Connection failure title")
message:NSLocalizedString(@"Failed to reach server Msg", @"Connection failure message")
delegate:self
cancelButtonTitle:NSLocalizedString(@"OK", nil)
otherButtonTitles:NSLocalizedString(@"Help", nil), nil];
[message show];
});
[[self.delegate navigationController] popToRootViewControllerAnimated:YES];
[(ServerListViewController *)self.delegate startSearching];
} else {
[[self.delegate navigationController] popToRootViewControllerAnimated:YES];
BasePresentationViewController *bpvc = [[(MainSplitViewController *)[self.delegate presentingViewController] viewControllers] objectAtIndex:1];
[bpvc didReceiveDisconnection];
dispatch_async(dispatch_get_main_queue(), ^{
UIAlertView *message = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Connection Lost", @"Connection Lost Alert title")
message:NSLocalizedString(@"Connection Lost Msg", @"Connection Lost Alert Msg")
delegate:nil
cancelButtonTitle:NSLocalizedString(@"OK", nil)
otherButtonTitles:nil];
[message show];
});
}
}
}
}
- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{
if (buttonIndex == 0){
[alertView dismissWithClickedButtonIndex:0 animated:YES];
}else if (buttonIndex == 1){
[alertView dismissWithClickedButtonIndex:0 animated:YES];
UIAlertView *message = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Pairing Instructions", @"Pairing instructions Alert Title")
message:NSLocalizedString(@"Pairing Instructions Msg", nil)
delegate:nil
cancelButtonTitle:NSLocalizedString(@"OK", nil)
otherButtonTitles:nil];
[message show];
}
}
- (id) init
{
self = [super init];
self.state = DISCONNECTED;
self.searchState = WAITING;
self.interpreter = [[CommandInterpreter alloc] init];
self.servers = [[NSMutableArray alloc] init];
[[NSNotificationCenter defaultCenter]addObserver: self
selector: @selector(connectionStatusHandler:)
name: @"connection.status.connected"
object: nil];
[[NSNotificationCenter defaultCenter]addObserver: self
selector: @selector(connectionStatusHandler:)
name: @"connection.status.disconnected"
object: nil];
self.autoDiscoveryServers = [[NSMutableArray alloc] init];
return self;
}
- (id) initWithExistingServers
{
self = [self init];
NSUserDefaults * userDefaluts = [NSUserDefaults standardUserDefaults];
NSData *dataRepresentingExistingServers = [userDefaluts objectForKey:ExistingServersKey];
if (dataRepresentingExistingServers != nil)
{
NSArray *oldSavedArray = [NSKeyedUnarchiver unarchiveObjectWithData:dataRepresentingExistingServers];
if (oldSavedArray != nil)
self.servers = [[NSMutableArray alloc] initWithArray:oldSavedArray];
else
self.servers = [[NSMutableArray alloc] init];
}
return self;
}
- (void) connectToServer:(Server*)server
{
if (self.state == CONNECTING) {
return;
} else {
[self.client disconnect];
self.state = CONNECTING;
// initialise it with a given server
self.client = [[Client alloc]initWithServer:server managedBy:self interpretedBy:self.interpreter];
self.transmitter = [[CommandTransmitter alloc] initWithClient:self.client];
[self.client connect];
}
}
- (NSNumber *) getPairingPin{
return [self.client pin];
}
- (NSString *) getPairingDeviceName
{
return [self.client name];
}
+ (id)allocWithZone:(NSZone *)zone
{
return [self sharedComManager];
}
- (void) addServersWithName:(NSString*)name
AtAddress:(NSString*)addr
{
Server * s = [[Server alloc] initWithProtocol:NETWORK atAddress:addr ofName:name];
[self.servers addObject:s];
[[NSUserDefaults standardUserDefaults] setObject:[NSKeyedArchiver archivedDataWithRootObject:self.servers] forKey:ExistingServersKey];
[[NSUserDefaults standardUserDefaults] synchronize];
}
- (void) removeServerAtIndex:(NSUInteger)index
{
[self.servers removeObjectAtIndex:index];
[[NSUserDefaults standardUserDefaults] setObject:[NSKeyedArchiver archivedDataWithRootObject:self.servers] forKey:ExistingServersKey];
[[NSUserDefaults standardUserDefaults] synchronize];
}
@end
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