Multiple enhancements

- Fixed various search issues, closes #78
- Added basic support for chat, updates every two seconds. Still some
bugs to iron out (see #8)
- Made "message" button on profile page functional (closes #69)
- Added SmartDispatcher, that only dispatches when needed, Should give
us a little performance increase
- Changed Dispatching in MainViewModel
- Added ability to suppress notifications
- Made Helpers.Notify thread safe
- Added auto updating to Chat
- Added client function to post a chat message
- Added client function to get chat beacon

SparklrLib/Objects/Requests/Work/Chat.cs

@@ -3,7 +3,7 @@ namespace SparklrLib.Objects.Requests.Work
 {
     public class Chat
     {
-        public string to { get; set; }
+        public int to { get; set; }
         public string message { get; set; }
     }
 }

SparklrLib/Objects/Responses/Beacon/Chat.cs

@@ -1,5 +1,4 @@
-using System.Collections.Generic;
-
+
 namespace SparklrLib.Objects.Responses.Beacon
 {
     public class ChatMessage
@@ -12,6 +11,6 @@ public class ChatMessage
 
     public class Chat : BeaconBase
     {
-        public List<ChatMessage> data { get; set; }
+        public ChatMessage[] data { get; set; }
     }
 }

SparklrLib/PortableSparklrLib.csproj

@@ -39,6 +39,7 @@
     <Compile Include="Objects\JSONRequestEventArgs.cs" />
     <Compile Include="Objects\LoginEventArgs.cs" />
     <Compile Include="Objects\NotificationEventArgs.cs" />
+    <Compile Include="Objects\Requests\Work\Chat.cs" />
     <Compile Include="Objects\Requests\Work\Comment.cs" />
     <Compile Include="Objects\Requests\Work\Like.cs" />
     <Compile Include="Objects\Requests\Work\Post.cs" />

SparklrLib/SparklrClient.cs

@@ -1,6 +1,5 @@
 using Newtonsoft.Json;
 using SparklrLib.Objects;
-using SparklrLib.Objects.Responses;
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -488,7 +487,7 @@ public async Task<SparklrEventArgs> PostAsync(string message, Stream image)
                     int count;
                     while ((count = image.Read(array, 0, array.Length)) != 0)
                     {
-                       ms.Write(array, 0, count);
+                        ms.Write(array, 0, count);
                     }
 #else
                     image.CopyTo(ms);
@@ -666,6 +665,20 @@ public async Task<SparklrEventArgs> PostAsync(string message, Stream image)
             return requestJsonObjectAsync<Objects.Responses.Work.Chat[]>("/work/chat/" + otherid.ToString());
         }
 
+        public Task<JSONRequestEventArgs<Objects.Responses.Beacon.Chat>> GetBeaconChatAsync(int otherid, int since, int limit = 0)
+        {
+            return requestJsonObjectAsync<Objects.Responses.Beacon.Chat>("/beacon/chat/" + otherid.ToString() + "?since=" + since.ToString() + "&n=" + limit.ToString());
+        }
+
+        public Task<JSONRequestEventArgs<Objects.Responses.Generic>> PostChatMessageAsync(int recipient, string message)
+        {
+            return requestJsonObjectAsync<Objects.Responses.Generic>("/work/chat", new Objects.Requests.Work.Chat()
+                {
+                    to = recipient,
+                    message = message
+                }, "", "POST");
+        }
+
         private void raiseCredentialsExpired()
         {
             //Fire only once

SparklrWP/App.xaml.cs

@@ -68,6 +68,7 @@ public App()
 
         }
 
+        static internal bool SuppressNotifications = false;
         private int previousNotifications = 0;
         void SparklrClient_NotificationsReceived(object sender, SparklrLib.Objects.NotificationEventArgs e)
         {
@@ -76,7 +77,8 @@ void SparklrClient_NotificationsReceived(object sender, SparklrLib.Objects.Notif
             {
                 if (e.Notifications.Length != previousNotifications)
                 {
-                    Helpers.Notify(String.Format("You have {0} notifications.", e.Notifications.Length));
+                    if (!SuppressNotifications)
+                        Helpers.Notify(String.Format("You have {0} notifications.", e.Notifications.Length));
                     previousNotifications = e.Notifications.Length;
                 }
 

SparklrWP/Pages/ChatPage.xaml

@@ -69,7 +69,7 @@
                     </Style>
                 </ListBox.ItemContainerStyle>
             </ListBox>
-            <codingForFun:ChatBubbleTextBox Grid.Row="1" ChatBubbleDirection="LowerRight" Margin="75,0,0,5" />
+            <codingForFun:ChatBubbleTextBox Grid.Row="1" ChatBubbleDirection="LowerRight" Margin="75,0,0,5" KeyDown="ChatBubbleTextBox_KeyDown" Text="{Binding Message, Mode=TwoWay}" x:Name="chatBubbleTextBox" InputScope="Chat" />
         </Grid>
         <!-- Visibility set in code behind -->
         <sparklrControls:LoadingOverlay x:Name="loadingOverlay" Grid.Row="0" Grid.RowSpan="2" Visibility="Collapsed" />

SparklrWP/Pages/ChatPage.xaml.cs

@@ -1,6 +1,8 @@
 using Microsoft.Phone.Controls;
+using SparklrWP.Utils;
 using System;
 using System.Windows;
+using System.Windows.Input;
 
 namespace SparklrWP.Pages
 {
@@ -58,5 +60,15 @@ void model_LoadingFinished(object sender, EventArgs e)
             if (loadingOverlay.Visibility == System.Windows.Visibility.Visible)
                 loadingOverlay.FinishLoading();
         }
+
+        private void ChatBubbleTextBox_KeyDown(object sender, System.Windows.Input.KeyEventArgs e)
+        {
+            if (e.Key == Key.Enter)
+            {
+                chatBubbleTextBox.UpdateBinding();
+                model.sendMessage();
+                Focus();
+            }
+        }
     }
 }

SparklrWP/Pages/Profile.xaml

@@ -140,7 +140,7 @@
 
             <controls:PanoramaItem Header="more">
                 <StackPanel>
-                    <Button>message</Button>
+                    <Button Click="MessageButton_Click">message</Button>
                     <Button Click="MentionButton_Click">mention</Button>
                     <Button Content="{Binding FollowButtonCaption}" Click="FollowButton_Click" />
                 </StackPanel>

SparklrWP/Pages/Profile.xaml.cs

@@ -185,5 +185,10 @@ private async void FollowButton_Click(object sender, System.Windows.RoutedEventA
             if (userargs.IsSuccessful)
                 refreshUserDetails(userargs);
         }
+
+        private void MessageButton_Click(object sender, System.Windows.RoutedEventArgs e)
+        {
+            NavigationService.Navigate(new Uri("/Pages/ChatPage.xaml?id=" + model.ID, UriKind.Relative));
+        }
     }
 }

SparklrWP/Pages/SearchPage.xaml

@@ -23,7 +23,7 @@
             <RowDefinition Height="*" />
         </Grid.RowDefinitions>
         <!-- todo: replace with toolkit:PhoneTextBox once we got the newest toolkit version working -->
-        <toolkit:PhoneTextBox Grid.Row="0"  Hint="Search" Text="{Binding Keyword}" x:Name="searchTextBox" ActionIcon="../Assets/Search.png" KeyDown="TextBox_KeyDown" ActionIconTapped="searchTextBox_ActionIconTapped"  />
+        <toolkit:PhoneTextBox Grid.Row="0"  Hint="Search" Text="{Binding Keyword, Mode=TwoWay}" x:Name="searchTextBox" ActionIcon="../Assets/Search.png" KeyDown="TextBox_KeyDown" ActionIconTapped="searchTextBox_ActionIconTapped"  />
         <!--<TextBox Grid.Row="0" Grid.Column="0" Text="{Binding Keyword, Mode=TwoWay}" IsEnabled="{Binding IsReady}" KeyDown="TextBox_KeyDown" x:Name="searchTextBox" />
         <Button Grid.Row="0" Grid.Column="1" Height="72" Width="72" IsEnabled="{Binding IsReady}" Click="Button_Click">
             <Button.Background>
@@ -39,7 +39,7 @@
                 <ListBox ItemsSource="{Binding Users}">
                     <ListBox.ItemTemplate>
                         <DataTemplate>
-                            <StackPanel Tag="{Binding Id}" Orientation="Horizontal">
+                            <StackPanel Tag="{Binding Id}" Orientation="Horizontal" Tap="UserStackPanel_Tap" toolkit:TiltEffect.IsTiltEnabled="True">
                                 <sparklrControls:ExtendedImageControl Height="75" Width="75" ImageSource="{Binding Image, FallbackValue='http://d.sparklr.me/i/t1.jpg'}" Margin="12,6" HorizontalAlignment="Left" />
                                 <TextBlock Text="{Binding Name}" Style="{StaticResource PhoneTextExtraLargeStyle}" VerticalAlignment="Center" Margin="0,15,12,15" />
                             </StackPanel>

SparklrWP/Pages/SearchPage.xaml.cs

@@ -18,14 +18,13 @@ public SearchPage()
 
         private void TextBox_KeyDown(object sender, KeyEventArgs e)
         {
-            ((TextBox)sender).UpdateBinding();
-
             if (e.Key == Key.Enter)
                 doSearch();
         }
 
         private void doSearch()
         {
+            searchTextBox.UpdateBinding();
             this.Focus();
             model.Search();
         }
@@ -39,5 +38,14 @@ private void searchTextBox_ActionIconTapped(object sender, System.EventArgs e)
         {
             doSearch();
         }
+
+        private void UserStackPanel_Tap(object sender, System.Windows.Input.GestureEventArgs e)
+        {
+            FriendViewModel i = ((StackPanel)sender).DataContext as FriendViewModel;
+            if (i != null)
+            {
+                NavigationService.Navigate(new System.Uri("/Pages/Profile.xaml?userId=" + i.Id.ToString(), System.UriKind.Relative));
+            }
+        }
     }
 }

SparklrWP/SparklrWP.csproj

@@ -227,6 +227,7 @@
     <Compile Include="Utils\ListToGroupedListConverter.cs" />
     <Compile Include="Utils\MemoryDiagnosticsHelper.cs" />
     <Compile Include="Utils\ObservableCollectionWithItemNotification.cs" />
+    <Compile Include="Utils\SmartDispatcher.cs" />
     <Compile Include="Utils\StringExtensions.cs" />
     <Compile Include="Utils\Task.cs" />
     <Compile Include="ViewModels\FriendViewModel.cs" />

SparklrWP/Utils/Helpers.cs

@@ -111,14 +111,17 @@ public static Task<BitmapImage> LoadImageFromUrlAsync(string location)
         }
 
         /// <summary>
-        /// Displays a non intrusive toast notification
+        /// Displays a non intrusive toast notification. Thread safe.
         /// </summary>
         /// <param name="text">The text to display</param>
         public static void Notify(string text)
         {
-            ToastPrompt p = new ToastPrompt();
-            p.Message = text;
-            p.Show();
+            SmartDispatcher.BeginInvoke(() =>
+            {
+                ToastPrompt p = new ToastPrompt();
+                p.Message = text;
+                p.Show();
+            });
         }
 
         /// <summary>

SparklrWP/Utils/SmartDispatcher.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Windows.Threading;
+
+namespace SparklrWP.Utils
+{
+    /// <summary>
+    /// Provides access to a smart invoke method, that only dispatchs if required.
+    /// </summary>
+    public static class SmartDispatcher
+    {
+        private static Dispatcher dispatcher;
+
+        static SmartDispatcher()
+        {
+            dispatcher = System.Windows.Deployment.Current.Dispatcher;
+        }
+
+        /// <summary>
+        /// Dispatches the given action to the UI thread
+        /// </summary>
+        /// <param name="a">The action to execute</param>
+        public static void BeginInvoke(Action a)
+        {
+            if (dispatcher.CheckAccess())
+            {
+                a();
+            }
+            else
+            {
+                dispatcher.BeginInvoke(a);
+            }
+        }
+    }
+}