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/**
@file XGAAddServerPanel.m
@package xcode-github-app
@brief A panel to select a server.
@author Edward Smith
@date September 2018
@copyright Copyright © 2018 Branch. All rights reserved.
*/
#import <XcodeGitHub/XcodeGitHub.h>
#import "XGAAddServerPanel.h"
#import "XGANetworkServiceBrowser.h"
#import "BNCThreads.h"
NSTimeInterval const kNetworkRefreshInterval = 7.0;
@interface XGAAddServerPanel () <XGANetworkServiceBrowserDelegate>
@property (strong) IBOutlet NSTextField *serverTextField;
@property (strong) IBOutlet NSTextField *userTextField;
@property (strong) IBOutlet NSSecureTextField *passwordTextField;
@property (strong) IBOutlet NSArrayController *serverArrayController;
@property (strong) IBOutlet NSTableView *serverTableView;
@property (strong) IBOutlet NSProgressIndicator *activityWheel;
@property (strong) IBOutlet NSButton *addButton;
@property (assign) BOOL isSearchingNetwork;
@property (strong) NSTimer*networkTimer;
@property (strong) NSDate*networkLookupDate;
@property (strong) XGANetworkServiceBrowser*networkBrowser;
@end
@implementation XGAAddServerPanel
- (instancetype) initWithServer:(XGAServer *)server {
XGAAddServerPanel*panel = nil;
NSArray*objects = nil;
[[NSBundle mainBundle]
loadNibNamed:NSStringFromClass(self.class)
owner:nil
topLevelObjects:&objects];
for (panel in objects) {
if ([panel isKindOfClass:XGAAddServerPanel.class])
break;
}
if (![panel isKindOfClass:XGAAddServerPanel.class])
panel = [[XGAAddServerPanel alloc] init];
if (server) {
// Copy the values, not the whole object:
panel.server.server = server.server;
panel.server.user = server.user;
panel.server.password = server.password;
}
self = panel;
[self startNetworkLookup];
if (self.server.server.length) {
self.addButton.title = @"Update";
self.addButton.enabled = YES;
} else {
self.addButton.title = @"Add";
self.addButton.enabled = NO;
}
return self;
}
- (void) dealloc {
[self stopNetworkLookup];
}
- (BOOL) canBecomeKeyWindow {
return YES;
}
- (void) controlTextDidChange:(NSNotification *)obj {
self.addButton.enabled = (self.serverTextField.stringValue.length > 0);
}
- (IBAction)tableRowAction:(id)sender {
NSInteger idx = self.serverTableView.selectedRow;
if (idx < 0 || idx >= [self.serverArrayController.arrangedObjects count]) return;
NSString*server = [self.serverArrayController.arrangedObjects objectAtIndex:idx];
if (server) {
self.serverTextField.stringValue = server;
self.addButton.enabled = (self.serverTextField.stringValue.length > 0);
[self.userTextField becomeFirstResponder];
}
}
- (IBAction)cancel:(id)sender {
[self stopNetworkLookup];
self.serverArrayController = nil;
[self.sheetParent endSheet:self returnCode:NSModalResponseCancel];
}
- (void) showAlertWithError:(NSError*)error {
NSAlert*alert = [[NSAlert alloc] init];
alert.messageText = [NSString stringWithFormat:@"Can't connect to '%@'", self.server.server];
alert.informativeText = [error localizedDescription];
alert.alertStyle = NSAlertStyleCritical;
[alert beginSheetModalForWindow:self completionHandler:nil];
}
- (IBAction)add:(id)sender {
self.server.server = XGACleanString(self.serverTextField.stringValue);
self.server.user = XGACleanString(self.userTextField.stringValue);
self.server.password = XGACleanString(self.passwordTextField.stringValue);
if (self.server.server.length <= 0) return;
NSError*error = nil;
[XGXcodeBot botsForServer:self.server error:&error];
if (error) {
[self showAlertWithError:error];
return;
}
[self stopNetworkLookup];
self.serverArrayController = nil;
[self.sheetParent endSheet:self returnCode:NSModalResponseOK];
}
#pragma mark - Networking
- (void) startNetworkLookup {
@synchronized(self) {
[self stopNetworkLookup];
self.isSearchingNetwork = YES;
self.networkBrowser = [[XGANetworkServiceBrowser alloc] initWithDomain:@"" service:@"_xcs2p._tcp."];
self.networkBrowser.delegate = self;
[self.networkBrowser startDiscovery];
self.activityWheel.indeterminate = YES;
[self.activityWheel startAnimation:nil];
}
}
- (void) updateNetworkSpinner {
NSTimeInterval t = [self.networkLookupDate timeIntervalSinceNow];
if (t <= 0.0) {
[self startNetworkLookup];
return;
}
t = (1.0f - (t / kNetworkRefreshInterval)) * 100.0f;
self.activityWheel.doubleValue = t;
[self.activityWheel setNeedsDisplay:YES];
}
- (void) restartNetworkLookup {
@synchronized(self) {
NSLog(@"restartNetworkLookup");
[self stopNetworkLookup];
self.networkLookupDate = [NSDate dateWithTimeInterval:kNetworkRefreshInterval sinceDate:[NSDate date]];
self.activityWheel.doubleValue = 0.0;
self.activityWheel.indeterminate = NO;
self.networkTimer =
[NSTimer scheduledTimerWithTimeInterval:0.10
target:self
selector:@selector(updateNetworkSpinner)
userInfo:nil
repeats:YES];
}
}
- (void) stopNetworkLookup {
@synchronized(self) {
[self.networkTimer invalidate];
self.networkTimer = nil;
self.isSearchingNetwork = NO;
self.activityWheel.doubleValue = 0.0;
self.activityWheel.indeterminate = YES;
[self.activityWheel stopAnimation:nil];
}
}
#pragma mark XGANetworkServiceBrowser Delegate
- (void) browser:(XGANetworkServiceBrowser *)browser discoveredHost:(XGANetworkServiceHost *)host {
NSString*server = host.names.firstObject;
if (![self.serverArrayController.arrangedObjects containsObject:server])
[self.serverArrayController addObject:server];
}
- (void) browser:(XGANetworkServiceBrowser *)browser finishedWithError:(NSError *)error {
[self restartNetworkLookup];
}
@end