added settings menu and persistent storage for settings

Limelight/ViewControllers/SettingsViewController.m

@@ -0,0 +1,64 @@
+//
+//  SettingsViewController.m
+//  Limelight
+//
+//  Created by Diego Waxemberg on 10/27/14.
+//  Copyright (c) 2014 Limelight Stream. All rights reserved.
+//
+
+#import "SettingsViewController.h"
+#import "Settings.h"
+#import "DataManager.h"
+
+#define BITRATE_INTERVAL 100
+
+@implementation SettingsViewController {
+    NSInteger _bitrate;
+}
+static NSString* bitrateFormat = @"Bitrate: %d bps";
+
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    
+    DataManager* dataMan = [[DataManager alloc] init];
+    Settings* currentSettings = [dataMan retrieveSettings];
+    
+    _bitrate = [currentSettings.bitrate integerValue];
+    NSInteger framerate = [currentSettings.framerate integerValue] == 30 ? 0 : 1;
+    NSInteger resolution = [currentSettings.height integerValue] == 720 ? 0 : 1;
+    
+    [self.resolutionSelector setSelectedSegmentIndex:resolution];
+    [self.framerateSelector setSelectedSegmentIndex:framerate];
+    [self.bitrateSlider setValue:_bitrate animated:YES];
+    [self.bitrateSlider addTarget:self action:@selector(bitrateSliderMoved) forControlEvents:UIControlEventValueChanged];
+    [self.bitrateLabel setText:[NSString stringWithFormat:bitrateFormat, (int)_bitrate]];
+}
+
+- (void) bitrateSliderMoved {
+    _bitrate = BITRATE_INTERVAL * floor((self.bitrateSlider.value/BITRATE_INTERVAL)+0.5);
+    [self.bitrateLabel setText:[NSString stringWithFormat:bitrateFormat, (int)_bitrate]];
+}
+
+
+- (void) saveSettings {
+    DataManager* dataMan = [[DataManager alloc] init];
+    NSInteger framerate = [self.framerateSelector selectedSegmentIndex] == 0 ? 30 : 60;
+    NSInteger height = [self.resolutionSelector selectedSegmentIndex] == 0 ? 720 : 1080;
+    NSInteger width = height == 720 ? 1280 : 1920;
+    [dataMan saveSettingsWithBitrate:_bitrate framerate:framerate height:height width:width];
+}
+
+- (void)didReceiveMemoryWarning {
+    [super didReceiveMemoryWarning];
+    // Dispose of any resources that can be recreated.
+}
+
+
+#pragma mark - Navigation
+
+- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
+}
+
+
+@end