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// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
using System;
using System.IO;
using System.Data;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.Windows.Forms;
using WixToolset.Dtf.WindowsInstaller;
namespace WixToolset.Dtf.Tools.Inventory
{
/// <summary>
/// Provides inventory data about features of products installed on the system.
/// </summary>
public class FeaturesInventory : IInventoryDataProvider
{
private static object syncRoot = new object();
public FeaturesInventory()
{
}
public string Description
{
get { return "Features of installed products"; }
}
public string[] GetNodes(InventoryDataLoadStatusCallback statusCallback)
{
statusCallback(0, @"Products\...\Features");
ArrayList nodes = new ArrayList();
foreach (ProductInstallation product in ProductInstallation.AllProducts)
{
nodes.Add(String.Format(@"Products\{0}\Features", MsiUtils.GetProductName(product.ProductCode)));
}
statusCallback(nodes.Count, String.Empty);
return (string[]) nodes.ToArray(typeof(string));
}
public bool IsNodeSearchable(string searchRoot, string searchNode)
{
return true;
}
public DataView GetData(string nodePath)
{
string[] path = nodePath.Split('\\');
if(path.Length == 3 && path[0] == "Products" && path[2] == "Features")
{
return GetProductFeaturesData(MsiUtils.GetProductCode(path[1]));
}
return null;
}
public DataView GetProductFeaturesData(string productCode)
{
DataTable table = new DataTable("ProductFeatures");
table.Locale = CultureInfo.InvariantCulture;
table.Columns.Add("ProductFeaturesFeatureTitle", typeof(string));
table.Columns.Add("ProductFeaturesFeatureName", typeof(string));
table.Columns.Add("ProductFeaturesInstallState", typeof(string));
try
{
IntPtr hWnd = IntPtr.Zero;
Installer.SetInternalUI(InstallUIOptions.Silent, ref hWnd);
lock(syncRoot) // Only one Installer session can be active at a time
{
using(Session session = Installer.OpenProduct(productCode))
{
session.DoAction("CostInitialize");
session.DoAction("FileCost");
session.DoAction("CostFinalize");
IList<string> featuresAndTitles = session.Database.ExecuteStringQuery(
"SELECT `Title`, `Feature` FROM `Feature`");
for(int i = 0; i < featuresAndTitles.Count; i += 2)
{
InstallState featureState = session.Features[featuresAndTitles[i + 1]].CurrentState;
table.Rows.Add(new object[] { featuresAndTitles[i], featuresAndTitles[i+1],
(featureState == InstallState.Advertised ? "Advertised" : featureState.ToString()) });
}
}
}
return new DataView(table, "", "ProductFeaturesFeatureTitle ASC", DataViewRowState.CurrentRows);
}
catch(InstallerException) { }
catch(IOException) { }
return null;
}
public string GetLink(string nodePath, DataRow row)
{
string[] path = nodePath.Split('\\');
if(path.Length == 3 && path[0] == "Products" && path[2] == "Features")
{
return String.Format(@"Products\{0}\Features\{1}", path[1], row["ProductFeaturesFeatureName"]);
}
return null;
}
}
}
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