Added busy indicator for sync operations. Optimized vault list loading. Customized search bar appearance on iOS.

src/App/Abstractions/Services/ISyncService.cs

@@ -4,6 +4,7 @@ namespace Bit.App.Abstractions
 {
     public interface ISyncService
     {
+        bool SyncInProgress { get; }
         Task<bool> SyncAsync(string id);
         Task<bool> SyncDeleteFolderAsync(string id);
         Task<bool> SyncDeleteSiteAsync(string id);

src/App/App.cs

@@ -290,6 +290,15 @@ namespace Bit.App
                     new Setter { Property = ListView.SeparatorColorProperty, Value = grayLighter }
                 }
             });
+
+            // Search Bar
+
+            Resources.Add(new Style(typeof(SearchBar))
+            {
+                Setters = {
+                    new Setter { Property = SearchBar.CancelButtonColorProperty, Value = primaryColor }
+                }
+            });
         }
     }
 }

src/App/Controls/ExtendedContentPage.cs

@@ -1,13 +1,30 @@
-using System;
+using Bit.App.Abstractions;
+using System;
 using Xamarin.Forms;
+using XLabs.Ioc;
 
 namespace Bit.App.Controls
 {
     public class ExtendedContentPage : ContentPage
     {
+        private ISyncService _syncService;
+
         public ExtendedContentPage()
         {
+            _syncService = Resolver.Resolve<ISyncService>();
+
             BackgroundColor = Color.FromHex("efeff4");
+            IsBusy = _syncService.SyncInProgress;
+
+            MessagingCenter.Subscribe<Application, bool>(Application.Current, "SyncCompleted", (sender, success) =>
+            {
+                IsBusy = _syncService.SyncInProgress;
+            });
+
+            MessagingCenter.Subscribe<Application>(Application.Current, "SyncStarted", (sender) =>
+            {
+                IsBusy = _syncService.SyncInProgress;
+            });
         }
     }
 }

src/App/Pages/Vault/VaultListSitesPage.cs

@@ -14,7 +14,6 @@ using PushNotification.Plugin.Abstractions;
 using Plugin.Settings.Abstractions;
 using Plugin.Connectivity.Abstractions;
 using System.Collections.Generic;
-using Bit.App.Models;
 
 namespace Bit.App.Pages
 {
@@ -25,6 +24,7 @@ namespace Bit.App.Pages
         private readonly IUserDialogs _userDialogs;
         private readonly IConnectivity _connectivity;
         private readonly IClipboardService _clipboardService;
+        private readonly ISyncService _syncService;
         private readonly IPushNotification _pushNotification;
         private readonly ISettings _settings;
         private readonly bool _favorites;
@@ -37,6 +37,7 @@ namespace Bit.App.Pages
             _connectivity = Resolver.Resolve<IConnectivity>();
             _userDialogs = Resolver.Resolve<IUserDialogs>();
             _clipboardService = Resolver.Resolve<IClipboardService>();
+            _syncService = Resolver.Resolve<ISyncService>();
             _pushNotification = Resolver.Resolve<IPushNotification>();
             _settings = Resolver.Resolve<ISettings>();
 
@@ -52,9 +53,12 @@ namespace Bit.App.Pages
 
         private void Init()
         {
-            MessagingCenter.Subscribe<Application>(Application.Current, "SyncCompleted", async (sender) =>
+            MessagingCenter.Subscribe<Application, bool>(Application.Current, "SyncCompleted", async (sender, success) =>
+            {
+                if(success)
                 {
                     await FetchAndLoadVaultAsync();
+                }
             });
 
             if(!_favorites)
@@ -80,8 +84,8 @@ namespace Bit.App.Pages
 
             Search = new SearchBar
             {
-                Placeholder = "Search vault...",
+                Placeholder = "Search vault",
-                BackgroundColor = Color.FromHex("efeff4")
+                BackgroundColor = Color.FromHex("E8E8ED")
             };
             Search.TextChanged += SearchBar_TextChanged;
             Search.SearchButtonPressed += SearchBar_SearchButtonPressed;
@@ -96,7 +100,7 @@ namespace Bit.App.Pages
 
         private void SearchBar_SearchButtonPressed(object sender, EventArgs e)
         {
-            FilterResults(((SearchBar)sender).Text);
+            FilterResultsBackground(((SearchBar)sender).Text);
         }
 
         private void SearchBar_TextChanged(object sender, TextChangedEventArgs e)
@@ -108,19 +112,28 @@ namespace Bit.App.Pages
                 return;
             }
 
-            FilterResults(e.NewTextValue);
+            FilterResultsBackground(e.NewTextValue);
         }
 
-        private void FilterResults(string searchFilter)
+        private void FilterResultsBackground(string searchFilter)
         {
             Task.Run(async () =>
+            {
+                if(!string.IsNullOrWhiteSpace(searchFilter))
                 {
                     await Task.Delay(300);
                     if(searchFilter != Search.Text)
                     {
                         return;
                     }
+                }
 
+                FilterResults(searchFilter);
+            });
+        }
+
+        private void FilterResults(string searchFilter)
+        {
             if(string.IsNullOrWhiteSpace(searchFilter))
             {
                 LoadFolders(Sites);
@@ -131,7 +144,6 @@ namespace Bit.App.Pages
                 var filteredSites = Sites.Where(s => s.Name.ToLower().Contains(searchFilter) || s.Username.ToLower().Contains(searchFilter));
                 LoadFolders(filteredSites);
             }
-            });
         }
 
         protected async override void OnAppearing()
@@ -161,6 +173,11 @@ namespace Bit.App.Pages
 
         private async Task FetchAndLoadVaultAsync()
         {
+            if(PresentationFolders.Count > 0 && _syncService.SyncInProgress)
+            {
+                return;
+            }
+
             await Task.Run(async () =>
             {
                 var foldersTask = _folderService.GetAllAsync();
@@ -173,7 +190,7 @@ namespace Bit.App.Pages
                 Folders = folders.Select(f => new VaultListPageModel.Folder(f));
                 Sites = sites.Select(s => new VaultListPageModel.Site(s));
 
-                LoadFolders(Sites);
+                FilterResults(Search.Text);
             });
         }
 

src/App/Services/SyncService.cs

@@ -13,6 +13,7 @@ namespace Bit.App.Services
     public class SyncService : ISyncService
     {
         private const string LastSyncKey = "lastSync";
+        private int _syncsInProgress = 0;
 
         private readonly ICipherApiRepository _cipherApiRepository;
         private readonly IFolderApiRepository _folderApiRepository;
@@ -40,6 +41,8 @@ namespace Bit.App.Services
             _settings = settings;
         }
 
+        public bool SyncInProgress => _syncsInProgress > 0;
+
         public async Task<bool> SyncAsync(string id)
         {
             if(!_authService.IsAuthenticated)
@@ -47,9 +50,12 @@ namespace Bit.App.Services
                 return false;
             }
 
+            SyncStarted();
+
             var cipher = await _cipherApiRepository.GetByIdAsync(id);
             if(!cipher.Succeeded)
             {
+                SyncCompleted(false);
                 return false;
             }
 
@@ -80,10 +86,11 @@ namespace Bit.App.Services
                     }
                     break;
                 default:
+                    SyncCompleted(false);
                     return false;
             }
 
-            BroadcastSyncCompleted();
+            SyncCompleted(true);
             return true;
         }
 
@@ -94,8 +101,10 @@ namespace Bit.App.Services
                 return false;
             }
 
+            SyncStarted();
+
             await _folderRepository.DeleteAsync(id);
-            BroadcastSyncCompleted();
+            SyncCompleted(true);
             return true;
         }
 
@@ -106,8 +115,10 @@ namespace Bit.App.Services
                 return false;
             }
 
+            SyncStarted();
+
             await _siteRepository.DeleteAsync(id);
-            BroadcastSyncCompleted();
+            SyncCompleted(true);
             return true;
         }
 
@@ -118,10 +129,13 @@ namespace Bit.App.Services
                 return false;
             }
 
+            SyncStarted();
+
             var now = DateTime.UtcNow;
             var ciphers = await _cipherApiRepository.GetAsync();
             if(!ciphers.Succeeded)
             {
+                SyncCompleted(false);
                 return false;
             }
 
@@ -131,11 +145,12 @@ namespace Bit.App.Services
 
             if(folderTask.Exception != null || siteTask.Exception != null)
             {
+                SyncCompleted(false);
                 return false;
             }
 
             _settings.AddOrUpdateValue(LastSyncKey, now);
-            BroadcastSyncCompleted();
+            SyncCompleted(true);
             return true;
         }
 
@@ -153,9 +168,12 @@ namespace Bit.App.Services
                 return await FullSyncAsync();
             }
 
+            SyncStarted();
+
             var ciphers = await _cipherApiRepository.GetByRevisionDateWithHistoryAsync(lastSync.Value);
             if(!ciphers.Succeeded)
             {
+                SyncCompleted(false);
                 return false;
             }
 
@@ -166,11 +184,12 @@ namespace Bit.App.Services
             await Task.WhenAll(siteTask, folderTask, deleteTask);
             if(folderTask.Exception != null || siteTask.Exception != null || deleteTask.Exception != null)
             {
+                SyncCompleted(false);
                 return false;
             }
 
             _settings.AddOrUpdateValue(LastSyncKey, now);
-            BroadcastSyncCompleted();
+            SyncCompleted(true);
             return true;
         }
 
@@ -245,9 +264,16 @@ namespace Bit.App.Services
             await Task.WhenAll(tasks);
         }
 
-        private void BroadcastSyncCompleted()
+        private void SyncStarted()
         {
-            MessagingCenter.Send(Application.Current, "SyncCompleted");
+            _syncsInProgress++;
+            MessagingCenter.Send(Application.Current, "SyncStarted");
+        }
+
+        private void SyncCompleted(bool successfully)
+        {
+            _syncsInProgress--;
+            MessagingCenter.Send(Application.Current, "SyncCompleted", successfully);
         }
     }
 }

src/iOS/AppDelegate.cs

@@ -50,8 +50,13 @@ namespace Bit.iOS
                 Resolver.Resolve<IFingerprint>(),
                 Resolver.Resolve<ISettings>()));
 
+            // Appearance stuff
+
+            var primaryColor = new UIColor(red: 0.24f, green: 0.55f, blue: 0.74f, alpha: 1.0f);
+
             UINavigationBar.Appearance.ShadowImage = new UIImage();
             UINavigationBar.Appearance.SetBackgroundImage(new UIImage(), UIBarMetrics.Default);
+            UIBarButtonItem.AppearanceWhenContainedIn(new Type[] { typeof(UISearchBar) }).TintColor = primaryColor;
 
             MessagingCenter.Subscribe<Xamarin.Forms.Application, ToolsExtensionPage>(Xamarin.Forms.Application.Current, "ShowAppExtension", (sender, page) =>
             {

src/iOS/Controls/CustomSearchBarRenderer.cs

@@ -0,0 +1,33 @@
+using Bit.App.Controls;
+using Bit.iOS.Controls;
+using System.ComponentModel;
+using UIKit;
+using Xamarin.Forms;
+using Xamarin.Forms.Platform.iOS;
+
+[assembly: ExportRenderer(typeof(SearchBar), typeof(CustomSearchBarRenderer))]
+namespace Bit.iOS.Controls
+{
+    public class CustomSearchBarRenderer : SearchBarRenderer
+    {
+        protected override void OnElementChanged(ElementChangedEventArgs<SearchBar> e)
+        {
+            base.OnElementChanged(e);
+
+            var view = e.NewElement;
+            if(view != null)
+            {
+                Control.SearchBarStyle = UISearchBarStyle.Minimal;
+                Control.BarStyle = UIBarStyle.BlackTranslucent;
+                Control.ShowsCancelButton = Control.IsFirstResponder;
+            }
+        }
+
+        protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
+        {
+            base.OnElementPropertyChanged(sender, e);
+            var view = Element;
+            Control.ShowsCancelButton = Control.IsFirstResponder;
+        }
+    }
+}

src/iOS/iOS.csproj

@@ -104,6 +104,7 @@
     <Compile Include="Controls\CustomButtonRenderer.cs" />
     <Compile Include="Controls\CustomLabelRenderer.cs" />
     <Compile Include="Controls\ExtendedEditorRenderer.cs" />
+    <Compile Include="Controls\CustomSearchBarRenderer.cs" />
     <Compile Include="Controls\ExtendedSwitchCellRenderer.cs" />
     <Compile Include="Controls\ListViewRenderer.cs" />
     <Compile Include="Controls\ExtendedViewCellRenderer.cs" />