Show notification when new version is installed

A notification message is now shown in the info-bar when a new version
of the Qt VS Tools extension is installed.

Change-Id: I798bd62e3e8ccc1c64f576edb7773c4eb1448b7a
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>

2 files changed, 47 insertions, 0 deletions

diff --git a/QtVsTools.Package/Package/InfoBarMessages.cs b/QtVsTools.Package/Package/InfoBarMessages.cs
index b1042200..b31dae9d 100644
--- a/QtVsTools.Package/Package/InfoBarMessages.cs
+++ b/QtVsTools.Package/Package/InfoBarMessages.cs
@@ -28,6 +28,7 @@
 
 using System;
 using Microsoft.VisualStudio.Imaging;
+using Microsoft.VisualStudio.Shell;
 
 namespace QtVsTools
 {
@@ -60,5 +61,33 @@ namespace QtVsTools
                 }
             }
         );
+
+        static IMessage _NotifyInstall = null;
+        public static IMessage NotifyInstall => _NotifyInstall ?? (
+            _NotifyInstall = new Message
+            {
+                Icon = KnownMonikers.StatusWarning,
+                Text = new TextSpan[]
+                {
+                    new TextSpan { Bold = true, Text = "Qt Visual Studio Tools" },
+                    new TextSpacer(2),
+                    "\u2014", // Em dash
+                    new TextSpacer(2),
+                    $"Version {Version.USER_VERSION} was installed."
+                },
+                Hyperlinks = new Hyperlink[]
+                {
+                    new Hyperlink
+                    {
+                        Text = "Release Notes",
+                        CloseInfoBar = false,
+                        OnClicked= () => {
+                            VsShellUtilities.OpenSystemBrowser(
+                                "https://code.qt.io/cgit/qt-labs/vstools.git/tree/Changelog");
+                        }
+                    }
+                }
+            }
+        );
     }
 }
diff --git a/QtVsTools.Package/QtVsToolsPackage.cs b/QtVsTools.Package/QtVsToolsPackage.cs
index 5fec3978..4270edcd 100644
--- a/QtVsTools.Package/QtVsToolsPackage.cs
+++ b/QtVsTools.Package/QtVsToolsPackage.cs
@@ -326,10 +326,28 @@ namespace QtVsTools
                 eventHandler.SolutionEvents_Opened();
         }
 
+        bool TestVersionInstalled()
+        {
+            bool newVersion = false;
+            string versionFile = Path.Combine(PkgInstallPath, "lastversion.txt");
+            if (File.Exists(versionFile)) {
+                string lastVersion = File.ReadAllText(versionFile);
+                newVersion = (lastVersion!= Version.PRODUCT_VERSION);
+            } else {
+                newVersion = true;
+            }
+            if (newVersion)
+                File.WriteAllText(versionFile, Version.PRODUCT_VERSION);
+            return newVersion;
+        }
+
         public void VsMainWindowActivated()
         {
             if (QtVersionManager.The().GetVersions()?.Length == 0)
                 InfoBarMessages.NoQtVersion.Show();
+            if (TestVersionInstalled()) {
+                InfoBarMessages.NotifyInstall.Show();
+            }
         }
 
         protected override int QueryClose(out bool canClose)