Private/Show-Splash.ps1
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function Show-Splash { <# .SYNOPSIS Displays a small splash window with an indeterminate progress bar. .DESCRIPTION The splash runs in its own STA runspace so its UI keeps animating while the caller's thread is busy building the main window or loading data. Returns an object exposing: .Update($message) - update the status line (thread-safe) .Close() - dismiss the splash and dispose the runspace #> [CmdletBinding()] param( [string]$InitialMessage = 'Loading...', [string]$Title = 'PS365.Clidsys', [string]$Subtitle = '', [string]$Version = '', [string]$LogoPath = '' ) Add-Type -AssemblyName PresentationFramework $sync = [hashtable]::Synchronized(@{ Window = $null Status = $null Ready = $false Closed = $false }) $runspace = [runspacefactory]::CreateRunspace() $runspace.ApartmentState = 'STA' $runspace.ThreadOptions = 'ReuseThread' $runspace.Open() $runspace.SessionStateProxy.SetVariable('sync', $sync) $runspace.SessionStateProxy.SetVariable('initialMessage', $InitialMessage) $runspace.SessionStateProxy.SetVariable('titleText', $Title) $runspace.SessionStateProxy.SetVariable('subtitleText', $Subtitle) $runspace.SessionStateProxy.SetVariable('versionText', $Version) $runspace.SessionStateProxy.SetVariable('logoPath', $LogoPath) $ps = [powershell]::Create() $ps.Runspace = $runspace [void]$ps.AddScript({ Add-Type -AssemblyName PresentationFramework $xaml = @' <Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" WindowStyle="None" AllowsTransparency="True" Background="Transparent" WindowStartupLocation="CenterScreen" Width="460" Height="230" ShowInTaskbar="False" Topmost="True" SizeToContent="Manual" Opacity="0"> <Window.Triggers> <EventTrigger RoutedEvent="Window.Loaded"> <BeginStoryboard> <Storyboard> <DoubleAnimation Storyboard.TargetProperty="Opacity" From="0" To="1" Duration="0:0:0.18"/> </Storyboard> </BeginStoryboard> </EventTrigger> </Window.Triggers> <Border Background="#0078D4" CornerRadius="8" Padding="24"> <Border.Effect> <DropShadowEffect BlurRadius="20" ShadowDepth="2" Opacity="0.35" Color="Black"/> </Border.Effect> <Grid> <Grid.RowDefinitions> <RowDefinition Height="Auto"/> <RowDefinition Height="*"/> <RowDefinition Height="Auto"/> <RowDefinition Height="Auto"/> <RowDefinition Height="Auto"/> </Grid.RowDefinitions> <Grid Grid.Row="0"> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto"/> <ColumnDefinition Width="*"/> <ColumnDefinition Width="Auto"/> </Grid.ColumnDefinitions> <Image x:Name="LogoImage" Grid.Column="0" Width="40" Height="40" Margin="0,0,12,0" VerticalAlignment="Top"/> <StackPanel Grid.Column="1" VerticalAlignment="Top"> <TextBlock x:Name="TitleText" Foreground="White" FontFamily="Segoe UI" FontSize="20" FontWeight="SemiBold"/> <TextBlock x:Name="SubtitleText" Foreground="#DEECF9" FontFamily="Segoe UI" FontSize="12" Margin="0,2,0,0"/> </StackPanel> <TextBlock x:Name="VersionText" Grid.Column="2" Foreground="White" Opacity="0.65" FontFamily="Consolas" FontSize="11" VerticalAlignment="Top"/> </Grid> <TextBlock x:Name="StatusText" Grid.Row="2" Foreground="White" FontFamily="Segoe UI" FontSize="12" Margin="0,0,0,8" TextWrapping="Wrap"/> <ProgressBar Grid.Row="3" IsIndeterminate="True" Height="6" Foreground="White" Background="#106EBE" BorderThickness="0"/> <TextBlock Grid.Row="4" Text="by Clidsys - Bastien Perez" Foreground="White" Opacity="0.65" FontFamily="Segoe UI" FontSize="10" HorizontalAlignment="Right" Margin="0,8,0,0"/> </Grid> </Border> </Window> '@ $reader = [System.Xml.XmlReader]::Create([System.IO.StringReader]::new($xaml)) $window = [System.Windows.Markup.XamlReader]::Load($reader) $window.FindName('TitleText').Text = $titleText $subtitleBlock = $window.FindName('SubtitleText') if ([string]::IsNullOrWhiteSpace($subtitleText)) { $subtitleBlock.Visibility = 'Collapsed' } else { $subtitleBlock.Text = $subtitleText } $window.FindName('VersionText').Text = $versionText $status = $window.FindName('StatusText') $status.Text = $initialMessage $logoLoaded = $false if (-not [string]::IsNullOrWhiteSpace($logoPath) -and (Test-Path -LiteralPath $logoPath)) { try { $bmp = [System.Windows.Media.Imaging.BitmapImage]::new() $bmp.BeginInit() $bmp.UriSource = [Uri]$logoPath $bmp.CacheOption = [System.Windows.Media.Imaging.BitmapCacheOption]::OnLoad $bmp.EndInit() $bmp.Freeze() $window.FindName('LogoImage').Source = $bmp $logoLoaded = $true } catch { Write-Verbose "Splash logo PNG load failed ($logoPath): $($_.Exception.Message)" } } if (-not $logoLoaded) { try { $sz = 40 [double]$cx = $sz / 2.0; [double]$cy = $sz / 2.0 [double]$hubR = $sz * 0.16; [double]$spokeR = $sz * 0.10 [double]$stroke = [Math]::Max(1.2, $sz * 0.05) $dv = [System.Windows.Media.DrawingVisual]::new() $ctx = $dv.RenderOpen() $whiteBrush = [System.Windows.Media.SolidColorBrush]::new( [System.Windows.Media.Colors]::White) $pen = [System.Windows.Media.Pen]::new($whiteBrush, $stroke) $spokes = @( , @([double]($sz * 0.18), [double]($sz * 0.22)) , @([double]($sz * 0.82), [double]($sz * 0.22)) , @([double]($sz * 0.50), [double]($sz * 0.82)) ) foreach ($p in $spokes) { $ctx.DrawLine($pen, [System.Windows.Point]::new($cx, $cy), [System.Windows.Point]::new($p[0], $p[1])) } $ctx.DrawEllipse($whiteBrush, $null, [System.Windows.Point]::new($cx, $cy), $hubR, $hubR) foreach ($p in $spokes) { $ctx.DrawEllipse($whiteBrush, $null, [System.Windows.Point]::new($p[0], $p[1]), $spokeR, $spokeR) } $ctx.Close() $rtb = [System.Windows.Media.Imaging.RenderTargetBitmap]::new( $sz, $sz, 96, 96, [System.Windows.Media.PixelFormats]::Pbgra32) $rtb.Render($dv) $rtb.Freeze() $window.FindName('LogoImage').Source = [System.Windows.Media.Imaging.BitmapFrame]::Create($rtb) } catch { Write-Verbose "Splash logo render failed: $($_.Exception.Message)" } } $sync.Window = $window $sync.Status = $status $sync.Ready = $true [void]$window.ShowDialog() $sync.Closed = $true }) $async = $ps.BeginInvoke() $sw = [System.Diagnostics.Stopwatch]::StartNew() while (-not $sync.Ready -and $sw.ElapsedMilliseconds -lt 3000) { Start-Sleep -Milliseconds 25 } $handle = [pscustomobject]@{ _Sync = $sync _Powershell = $ps _Async = $async _Runspace = $runspace } $handle | Add-Member -MemberType ScriptMethod -Name Update -Value { param([string]$Message) if (-not $this._Sync.Status -or $this._Sync.Closed) { return } $status = $this._Sync.Status $msg = $Message try { $status.Dispatcher.Invoke([action] { $status.Text = $msg }) } catch { } } $handle | Add-Member -MemberType ScriptMethod -Name Close -Value { if ($this._Sync.Closed) { return } if ($this._Sync.Window) { try { $win = $this._Sync.Window $win.Dispatcher.Invoke([action] { $win.Close() }) } catch { } } try { [void]$this._Powershell.EndInvoke($this._Async) } catch { } try { $this._Powershell.Dispose() } catch { } try { $this._Runspace.Close(); $this._Runspace.Dispose() } catch { } } return $handle } |