Update StartPage

Author: golf1052

Signal-Windows/Assets/logo-idea-2.png

@@ -103,6 +103,7 @@
     <Content Include="Assets\LargeTile.scale-200.png" />
     <Content Include="Assets\LargeTile.scale-400.png" />
     <Content Include="Assets\LICENSE.TXT" />
+    <Content Include="Assets\logo-idea-2.png" />
     <Content Include="Assets\SmallTile.scale-100.png" />
     <Content Include="Assets\SmallTile.scale-125.png" />
     <Content Include="Assets\SmallTile.scale-150.png" />

Signal-Windows/Signal-Windows.csproj

@@ -23,19 +23,12 @@
         </ResourceDictionary>
     </Page.Resources>
 
-    <Grid Padding="20" Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
-        <Grid.RowDefinitions>
-            <RowDefinition Height="Auto" />
-            <RowDefinition Height="Auto" />
-            <RowDefinition Height="Auto" />
-        </Grid.RowDefinitions>
-        <StackPanel Grid.Row="0" Margin="20">
-            <Button HorizontalAlignment="Center" Foreground="#2190EA" Background="White" Click="Button_Click">Register a new Signal account</Button>
-            <TextBlock HorizontalAlignment="Center" Foreground="White"  TextWrapping="WrapWholeWords"  Margin="0 15 0 0">Registering a new Signal account will terminate any previously registered accounts associated with your phone number, and unlink all slave devices.</TextBlock>
-        </StackPanel>
-        <StackPanel Grid.Row="1" Margin="20">
-            <Button HorizontalAlignment="Center" Foreground="#2190EA" Background="White" Click="Button_Click_1">Link to an existing Signal account</Button>
-            <TextBlock HorizontalAlignment="Center" Foreground="White"  TextWrapping="WrapWholeWords"  Margin="0 15 0 0">Link this device to an existing Signal master device. We will keep all contacts, groups and messages in sync.</TextBlock>
+    <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
+        <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
+            <Image Source="ms-appx:///Assets/logo-idea-2.png" Width="256"/>
+            <TextBlock Text="Welcome to Signal for Windows" Foreground="White" FontSize="46" FontWeight="Light" HorizontalAlignment="Center" Margin="0,50,0,0"/>
+            <Button x:Name="RegisterButton" HorizontalAlignment="Center" Foreground="#2190EA" Background="White" Content="Register a new Signal account" Margin="0,50,0,0" Click="RegisterButton_Click"/>
+            <Button x:Name="LinkButton" HorizontalAlignment="Center" Foreground="#2190EA" Background="White" Content="Link to an existing Signal account" Margin="0,20,0,0" Click="LinkButton_Click"/>
         </StackPanel>
     </Grid>
 </Page>

Signal-Windows/Views/StartPage.xaml

@@ -1,6 +1,10 @@
+using System;
 using Signal_Windows.ViewModels;
+using Windows.UI.Popups;
+using Windows.UI.ViewManagement;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Media;
 using Windows.UI.Xaml.Navigation;
 
 // Die Elementvorlage "Leere Seite" wird unter https://go.microsoft.com/fwlink/?LinkId=234238 dokumentiert.
@@ -12,6 +16,8 @@ namespace Signal_Windows.Views
     /// </summary>
     public sealed partial class StartPage : Page
     {
+        private const string ContinueId = "continue";
+
         public StartPage()
         {
             this.InitializeComponent();
@@ -29,14 +35,31 @@ protected override void OnNavigatedTo(NavigationEventArgs e)
         {
             base.OnNavigatedTo(e);
             Utils.DisableBackButton();
+            var view = ApplicationView.GetForCurrentView();
+            view.TitleBar.BackgroundColor = Utils.Default.Color;
+            view.TitleBar.ButtonBackgroundColor = Utils.Default.Color;
+        }
+
+        private async void RegisterButton_Click(object sender, RoutedEventArgs e)
+        {
+            var registerDialog = new MessageDialog("Registering a new Signal account will terminate any previously " +
+                "registered accounts associated with your phone number and unlink all slave devices.");
+            registerDialog.Commands.Add(new UICommand("Continue", new UICommandInvokedHandler(RegisterDialogHandler), ContinueId));
+            registerDialog.Commands.Add(new UICommand("Cancel"));
+            registerDialog.DefaultCommandIndex = 1;
+            registerDialog.CancelCommandIndex = 1;
+            await registerDialog.ShowAsync();
         }
 
-        private void Button_Click(object sender, RoutedEventArgs e)
+        private void RegisterDialogHandler(IUICommand command)
         {
-            Frame.Navigate(typeof(RegisterPage));
+            if ((string)command.Id == ContinueId)
+            {
+                Frame.Navigate(typeof(RegisterPage));
+            }
         }
 
-        private void Button_Click_1(object sender, RoutedEventArgs e)
+        private void LinkButton_Click(object sender, RoutedEventArgs e)
         {
             Frame.Navigate(typeof(LinkPage));
         }