[CRD iOS] Fix color scheme and other UI issues

remoting/ios/app/remoting_view_controller.mm

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 #import "remoting/ios/app/remoting_view_controller.h"
 
 #import "base/mac/bind_objc_block.h"
 #import "ios/third_party/material_components_ios/src/components/AnimationTiming/src/MaterialAnimationTiming.h"
 #import "ios/third_party/material_components_ios/src/components/AppBar/src/MaterialAppBar.h"
 #import "ios/third_party/material_components_ios/src/components/Dialogs/src/MaterialDialogs.h"
 #import "ios/third_party/material_components_ios/src/components/Snackbar/src/MaterialSnackbar.h"
 #import "remoting/ios/app/client_connection_view_controller.h"
 #import "remoting/ios/app/host_collection_view_controller.h"
 #import "remoting/ios/app/host_view_controller.h"
 #import "remoting/ios/app/remoting_settings_view_controller.h"
+#import "remoting/ios/app/remoting_theme.h"
 #import "remoting/ios/domain/client_session_details.h"
 #import "remoting/ios/facade/remoting_authentication.h"
 #import "remoting/ios/facade/remoting_service.h"
 
 #include "base/strings/sys_string_conversions.h"
 #include "remoting/base/oauth_token_getter.h"
 #include "remoting/client/connect_to_host_info.h"
 
 static CGFloat kHostInset = 5.f;
 
-static UIColor* kChromotingBlueBackground =
-    [UIColor colorWithRed:0.11f green:0.23f blue:0.66f alpha:1.f];
-
 @interface RemotingViewController ()<HostCollectionViewControllerDelegate,
                                      UIViewControllerAnimatedTransitioning,
                                      UIViewControllerTransitioningDelegate> {
   bool _isAuthenticated;
   MDCDialogTransitionController* _dialogTransitionController;
   MDCAppBar* _appBar;
   HostCollectionViewController* _collectionViewController;
   RemotingService* _remotingService;
 }
 @end
@@ skipping 35 matching lines @@
     self.navigationItem.leftBarButtonItem = menuButton;
 
     UIBarButtonItem* refreshButton = [[UIBarButtonItem alloc]
         initWithImage:[UIImage imageNamed:@"ic_refresh"]
                 style:UIBarButtonItemStyleDone
                target:self
                action:@selector(didSelectRefresh)];
     self.navigationItem.rightBarButtonItem = refreshButton;
 
     _appBar.headerViewController.headerView.backgroundColor =
-        kChromotingBlueBackground;
-    _appBar.navigationBar.backgroundColor = kChromotingBlueBackground;
+        RemotingTheme.hostListBackgroundColor;
+    _appBar.navigationBar.backgroundColor =
+        RemotingTheme.hostListBackgroundColor;
     MDCNavigationBarTextColorAccessibilityMutator* mutator =
         [[MDCNavigationBarTextColorAccessibilityMutator alloc] init];
     [mutator mutate:_appBar.navigationBar];
   }
   return self;
 }
 
 #pragma mark - UIViewController
 
 - (void)viewDidLoad {
@@ skipping 90 matching lines @@
 
 - (void)didSelectCell:(HostCollectionViewCell*)cell
            completion:(void (^)())completionBlock {
   if (![cell.hostInfo isOnline]) {
     MDCSnackbarMessage* message = [[MDCSnackbarMessage alloc] init];
     message.text = @"Host is offline.";
     [MDCSnackbarManager showMessage:message];
     return;
   }
 
+  [MDCSnackbarManager dismissAndCallCompletionBlocksWithCategory:nil];
   ClientConnectionViewController* clientConnectionViewController =
       [[ClientConnectionViewController alloc] initWithHostInfo:cell.hostInfo];
   [self.navigationController pushViewController:clientConnectionViewController
                                        animated:YES];
   completionBlock();
 }
 
 - (NSInteger)getHostCount {
   return _remotingService.hosts.count;
 }
@@ skipping 52 matching lines @@
   MDCSnackbarMessage* message = [[MDCSnackbarMessage alloc] init];
   if (_isAuthenticated) {
     message.text = [NSString
         stringWithFormat:@"Currently signed in as %@.",
                          _remotingService.authentication.user.userEmail];
     [MDCSnackbarManager showMessage:message];
   }
 }
 
 @end