Add overlay and block app list during install/uninstall (#3385)

* Implement app installation progress overlay and refactor progress bar handling

* Add overlay background color settings and ensure minimum progress bar value

* Add busy overlay functionality and progress bar updates for installation process

* Refactor busy overlay implementation to dynamically adjust size based on app area dimensions

functions/private/Hide-WPFInstallAppBusy.ps1

@@ -0,0 +1,12 @@
+function Hide-WPFInstallAppBusy {
+    <#
+    .SYNOPSIS
+        Hides the busy overlay in the install app area of the WPF form.
+        This is used to indicate that an install or uninstall has finished.
+    #>
+    $sync.form.Dispatcher.Invoke([action]{
+        $sync.InstallAppAreaOverlay.Visibility = [Windows.Visibility]::Collapsed
+        $sync.InstallAppAreaBorder.IsEnabled = $true
+        $sync.InstallAppAreaScrollViewer.Effect.Radius = 0
+    })
+}

functions/private/Initialize-InstallAppArea.ps1

@@ -5,6 +5,8 @@
                 This is used as the parent object for all category and app entries on the install tab
                 Used to as part of the Install Tab UI generation
 
+                Also creates an overlay with a progress bar and text to indicate that an install or uninstall is in progress
+
             .PARAMETER TargetElement
                 The element to which the AppArea shoud be added
 
@@ -17,6 +19,7 @@
         $Border = New-Object Windows.Controls.Border
         $Border.VerticalAlignment = "Stretch"
         $Border.SetResourceReference([Windows.Controls.Control]::StyleProperty, "BorderStyle")
+        $sync.InstallAppAreaBorder = $Border
 
         # Add a ScrollViewer, because the ItemsControl does not support scrolling by itself
         $scrollViewer = New-Object Windows.Controls.ScrollViewer
@@ -24,11 +27,19 @@
         $scrollViewer.HorizontalAlignment = 'Stretch'
         $scrollViewer.VerticalAlignment = 'Stretch'
         $scrollViewer.CanContentScroll = $true
+        $sync.InstallAppAreaScrollViewer = $scrollViewer
+        $Border.Child = $scrollViewer
+
+        # Initialize the Blur Effect for the ScrollViewer, which will be used to indicate that an install/uninstall is in progress
+        $blurEffect = New-Object Windows.Media.Effects.BlurEffect
+        $blurEffect.Radius = 0
+        $scrollViewer.Effect = $blurEffect
 
         ## Create the ItemsControl, which will be the parent of all the app entries
         $itemsControl = New-Object Windows.Controls.ItemsControl
         $itemsControl.HorizontalAlignment = 'Stretch'
         $itemsControl.VerticalAlignment = 'Stretch'
+        $scrollViewer.Content = $itemsControl
 
         # Enable virtualization for the ItemsControl to improve performance (It's hard to test if this is actually working, so if you know what you're doing, please check this)
         $itemsPanelTemplate = New-Object Windows.Controls.ItemsPanelTemplate
@@ -38,8 +49,64 @@
         $itemsControl.SetValue([Windows.Controls.VirtualizingStackPanel]::IsVirtualizingProperty, $true)
         $itemsControl.SetValue([Windows.Controls.VirtualizingStackPanel]::VirtualizationModeProperty, [Windows.Controls.VirtualizationMode]::Recycling)
 
-        $scrollViewer.Content = $itemsControl
-        $Border.Child = $scrollViewer
-        $null = $targetGrid.Children.Add($Border)
+        # Add the Border containing the App Area to the target Grid
+        $targetGrid.Children.Add($Border) | Out-Null
+
+        $overlay = New-Object Windows.Controls.Border
+        $overlay.CornerRadius = New-Object Windows.CornerRadius(10)
+        $overlay.SetResourceReference([Windows.Controls.Control]::BackgroundProperty, "AppInstallOverlayBackgroundColor")
+        $overlay.Visibility = [Windows.Visibility]::Collapsed
+
+        # Also add the overlay to the target Grid on top of the App Area
+        $targetGrid.Children.Add($overlay) | Out-Null
+        $sync.InstallAppAreaOverlay = $overlay
+
+        $overlayText = New-Object Windows.Controls.TextBlock
+        $overlayText.Text = "Installing apps..."
+        $overlayText.HorizontalAlignment = 'Center'
+        $overlayText.VerticalAlignment = 'Center'
+        $overlayText.SetResourceReference([Windows.Controls.TextBlock]::ForegroundProperty, "MainForegroundColor")
+        $overlayText.Background = "Transparent"
+        $overlayText.SetResourceReference([Windows.Controls.TextBlock]::FontSizeProperty, "HeaderFontSize")
+        $overlayText.SetResourceReference([Windows.Controls.TextBlock]::FontFamilyProperty, "MainFontFamily")
+        $overlayText.SetResourceReference([Windows.Controls.TextBlock]::FontWeightProperty, "MainFontWeight")
+        $overlayText.SetResourceReference([Windows.Controls.TextBlock]::MarginProperty, "MainMargin")
+        $sync.InstallAppAreaOverlayText = $overlayText
+
+        $progressbar = New-Object Windows.Controls.ProgressBar
+        $progressbar.Name = "ProgressBar"
+        $progressbar.Width = 250
+        $progressbar.Height = 50
+        $sync.ProgressBar = $progressbar
+
+        # Add a TextBlock overlay for the progress bar text
+        $progressBarTextBlock = New-Object Windows.Controls.TextBlock
+        $progressBarTextBlock.Name = "progressBarTextBlock"
+        $progressBarTextBlock.FontWeight = [Windows.FontWeights]::Bold
+        $progressBarTextBlock.FontSize = 16
+        $progressBarTextBlock.Width = $progressbar.Width
+        $progressBarTextBlock.Height = $progressbar.Height
+        $progressBarTextBlock.SetResourceReference([Windows.Controls.TextBlock]::ForegroundProperty, "ProgressBarTextColor")
+        $progressBarTextBlock.TextTrimming = "CharacterEllipsis"
+        $progressBarTextBlock.Background = "Transparent"
+        $sync.progressBarTextBlock = $progressBarTextBlock
+
+        # Create a Grid to overlay the text on the progress bar
+        $progressGrid = New-Object Windows.Controls.Grid
+        $progressGrid.Width = $progressbar.Width
+        $progressGrid.Height = $progressbar.Height
+        $progressGrid.Margin = "0,10,0,10"
+        $progressGrid.Children.Add($progressbar) | Out-Null
+        $progressGrid.Children.Add($progressBarTextBlock) | Out-Null
+
+        $overlayStackPanel = New-Object Windows.Controls.StackPanel
+        $overlayStackPanel.Orientation = "Vertical"
+        $overlayStackPanel.HorizontalAlignment = 'Center'
+        $overlayStackPanel.VerticalAlignment = 'Center'
+        $overlayStackPanel.Children.Add($overlayText) | Out-Null
+        $overlayStackPanel.Children.Add($progressGrid) | Out-Null
+
+        $overlay.Child = $overlayStackPanel
+
         return $itemsControl
     }

functions/private/Set-WinUtilProgressbar.ps1

@@ -7,24 +7,18 @@ function Set-WinUtilProgressbar{
         The Text to be overlayed onto the Progress Bar
     .PARAMETER PERCENT
         The percentage of the Progress Bar that should be filled (0-100)
-    .PARAMETER Hide
-        If provided, the Progress Bar and the label will be hidden
     #>
     param(
         [string]$Label,
         [ValidateRange(0,100)]
-        [int]$Percent,
-        $Hide
+        [int]$Percent
     )
-    if ($hide) {
-        $sync.form.Dispatcher.Invoke([action]{$sync.ProgressBarLabel.Visibility = "Collapsed"})
-        $sync.form.Dispatcher.Invoke([action]{$sync.ProgressBar.Visibility = "Collapsed"})
-    } else {
-        $sync.form.Dispatcher.Invoke([action]{$sync.ProgressBarLabel.Visibility = "Visible"})
-        $sync.form.Dispatcher.Invoke([action]{$sync.ProgressBar.Visibility = "Visible"})
+
+    $sync.form.Dispatcher.Invoke([action]{$sync.progressBarTextBlock.Text = $label})
+    $sync.form.Dispatcher.Invoke([action]{$sync.progressBarTextBlock.ToolTip = $label})
+    if ($percent -lt 5 ) {
+        $percent = 5 # Ensure the progress bar is not empty, as it looks weird
     }
-    $sync.form.Dispatcher.Invoke([action]{$sync.ProgressBarLabel.Content.Text = $label})
-    $sync.form.Dispatcher.Invoke([action]{$sync.ProgressBarLabel.Content.ToolTip = $label})
     $sync.form.Dispatcher.Invoke([action]{ $sync.ProgressBar.Value = $percent})
 
 }

functions/private/Show-WPFInstallAppBusy.ps1

@@ -0,0 +1,21 @@
+function Show-WPFInstallAppBusy {
+    <#
+    .SYNOPSIS
+        Displays a busy overlay in the install app area of the WPF form.
+        This is used to indicate that an install or uninstall is in progress.
+        Dynamically updates the size of the overlay based on the app area on each invocation.
+    .PARAMETER text
+        The text to display in the busy overlay. Defaults to "Installing apps...".
+    #>
+    param (
+        $text = "Installing apps..."
+    )
+    $sync.form.Dispatcher.Invoke([action]{
+        $sync.InstallAppAreaOverlay.Visibility = [Windows.Visibility]::Visible
+        $sync.InstallAppAreaOverlay.Width = $($sync.InstallAppAreaScrollViewer.ActualWidth * 0.4)
+        $sync.InstallAppAreaOverlay.Height = $($sync.InstallAppAreaScrollViewer.ActualWidth * 0.4)
+        $sync.InstallAppAreaOverlayText.Text = $text
+        $sync.InstallAppAreaBorder.IsEnabled = $false
+        $sync.InstallAppAreaScrollViewer.Effect.Radius = 5
+        })
+    }

functions/public/Invoke-WPFButton.ps1

@@ -15,7 +15,7 @@ function Invoke-WPFButton {
     # Use this to get the name of the button
     #[System.Windows.MessageBox]::Show("$Button","Chris Titus Tech's Windows Utility","OK","Info")
     if (-not $sync.ProcessRunning) {
-        Set-WinUtilProgressBar  -label "" -percent 0 -hide $true
+        Set-WinUtilProgressBar  -label "" -percent 0
     }
 
     Switch -Wildcard ($Button) {

functions/public/Invoke-WPFInstall.ps1

@@ -34,6 +34,8 @@ function Invoke-WPFInstall {
 
         try {
             $sync.ProcessRunning = $true
+            Show-WPFInstallAppBusy -text "Installing apps..."
+
             if($packagesWinget.Count -gt 0) {
                 Install-WinUtilWinget
                 Install-WinUtilProgramWinget -Action Install -Programs $packagesWinget
@@ -43,6 +45,7 @@ function Invoke-WPFInstall {
                 Install-WinUtilChoco
                 Install-WinUtilProgramChoco -Action Install -Programs $packagesChoco
             }
+            Hide-WPFInstallAppBusy
             Write-Host "==========================================="
             Write-Host "--      Installs have finished          ---"
             Write-Host "==========================================="

functions/public/Invoke-WPFUnInstall.ps1

@@ -41,6 +41,7 @@ function Invoke-WPFUnInstall {
 
         try {
             $sync.ProcessRunning = $true
+            Show-WPFInstallAppBusy -text "Uninstalling apps..."
 
             # Uninstall all selected programs in new window
             if($packagesWinget.Count -gt 0) {
@@ -49,7 +50,7 @@ function Invoke-WPFUnInstall {
             if($packagesChoco.Count -gt 0) {
                 Install-WinUtilProgramChoco -Action Uninstall -Programs $packagesChoco
             }
-
+            Hide-WPFInstallAppBusy
             Write-Host "==========================================="
             Write-Host "--       Uninstalls have finished       ---"
             Write-Host "==========================================="