Rename media constraints model and store.

webrtc/examples/objc/AppRTCMobile/ios/ARDSettingsViewController.m

 /*
  *  Copyright 2016 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #import "ARDSettingsViewController.h"
-#import "ARDMediaConstraintsModel.h"
+#import "ARDSettingsModel.h"
 
 NS_ASSUME_NONNULL_BEGIN
 @interface ARDSettingsViewController () {
-  ARDMediaConstraintsModel *_mediaConstraintsModel;
+  ARDSettingsModel *_settingsModel;
 }
 
 @end
 
 @implementation ARDSettingsViewController
 
 - (instancetype)initWithStyle:(UITableViewStyle)style
-        mediaConstraintsModel:(ARDMediaConstraintsModel *)mediaConstraintsModel {
+                settingsModel:(ARDSettingsModel *)settingsModel {
   self = [super initWithStyle:style];
   if (self) {
-    _mediaConstraintsModel = mediaConstraintsModel;
+    _settingsModel = settingsModel;
   }
   return self;
 }
 
 #pragma mark - View lifecycle
 
 - (void)viewDidLoad {
   [super viewDidLoad];
   self.title = @"Settings";
   [self addDoneBarButton];
 }
 
 - (void)viewDidAppear:(BOOL)animated {
   [super viewDidAppear:animated];
   [self selectCurrentlyStoredOrDefaultMediaConstraints];
 }
 
 #pragma mark - Data source
 
 - (NSArray<NSString *> *)mediaConstraintsArray {
-  return _mediaConstraintsModel.availableVideoResoultionsMediaConstraints;
+  return _settingsModel.availableVideoResoultionsMediaConstraints;
 }
 
 #pragma mark -
 
 - (void)addDoneBarButton {
   UIBarButtonItem *barItem =
       [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone
                                                     target:self
                                                     action:@selector(dismissModally:)];
   self.navigationItem.leftBarButtonItem = barItem;
 }
 
 - (void)selectCurrentlyStoredOrDefaultMediaConstraints {
-  NSString *currentSelection = [_mediaConstraintsModel currentVideoResoultionConstraintFromStore];
+  NSString *currentSelection = [_settingsModel currentVideoResoultionConstraintFromStore];
 
   NSUInteger indexOfSelection = [[self mediaConstraintsArray] indexOfObject:currentSelection];
   NSIndexPath *pathToBeSelected = [NSIndexPath indexPathForRow:indexOfSelection inSection:0];
   [self.tableView selectRowAtIndexPath:pathToBeSelected
                               animated:NO
                         scrollPosition:UITableViewScrollPositionNone];
   // Manully invoke the delegate method because the previous invocation will not.
   [self tableView:self.tableView didSelectRowAtIndexPath:pathToBeSelected];
 }
 
@@ skipping 67 matching lines @@
   cell.textLabel.text = self.mediaConstraintsArray[indexPath.row];
   return cell;
 }
 
 - (void)tableView:(UITableView *)tableView
     didSelectMediaConstraintsCellAtIndexPath:(NSIndexPath *)indexPath {
   UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
   cell.accessoryType = UITableViewCellAccessoryCheckmark;
 
   NSString *mediaConstraintsString = self.mediaConstraintsArray[indexPath.row];
-  [_mediaConstraintsModel storeVideoResoultionConstraint:mediaConstraintsString];
+  [_settingsModel storeVideoResoultionConstraint:mediaConstraintsString];
 }
 
 - (NSIndexPath *)tableView:(UITableView *)tableView
     willDeselectMediaConstraintsRowAtIndexPath:(NSIndexPath *)indexPath {
   NSIndexPath *oldSelection = [tableView indexPathForSelectedRow];
   UITableViewCell *cell = [tableView cellForRowAtIndexPath:oldSelection];
   cell.accessoryType = UITableViewCellAccessoryNone;
   return indexPath;
 }
 
 @end
 NS_ASSUME_NONNULL_END