refactor(launcher): replace LauncherFlowCoordinator with LaunchPipeline and slim App shell

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-22 00:54:26 +08:00 · 2026-05-28 11:03:49 +08:00
parent b219f109ec
commit a26b6faace
19 changed files with 2530 additions and 801 deletions
--- a/LanMountainDesktop.Launcher/Startup/Phases/ExistingHostProbePhase.cs
+++ b/LanMountainDesktop.Launcher/Startup/Phases/ExistingHostProbePhase.cs
@@ -0,0 +1,71 @@
+using LanMountainDesktop.Shared.Contracts.Launcher;
+
+namespace LanMountainDesktop.Launcher.Startup;
+
+internal sealed class ExistingHostProbePhase : ILaunchPhase
+{
+    public string Name => nameof(ExistingHostProbePhase);
+
+    public async Task<LaunchPhaseResult> ExecuteAsync(LaunchContext context, CancellationToken cancellationToken = default)
+    {
+        if (!HostActivationPolicy.ShouldProbeExistingHostBeforeLaunch(context.CommandContext))
+        {
+            return new LaunchPhaseResult(LaunchPhaseStatus.Continue);
+        }
+
+        var multiInstanceBehavior = ExistingHostProbe.LoadMultiInstanceLaunchBehavior(context.DataLocationResolver);
+        var existingShellStatus = await ExistingHostProbe.TryGetExistingHostStatusAsync(
+            context.IpcClient,
+            StartupTimeoutPolicy.ExistingHostProbeTimeout).ConfigureAwait(false);
+
+        if (!HostActivationPolicy.IsExistingHostReadyForLauncherDecision(existingShellStatus))
+        {
+            return new LaunchPhaseResult(LaunchPhaseStatus.Continue);
+        }
+
+        context.IpcConnected = true;
+        context.ShellStatus = existingShellStatus;
+        var decisionResult = await ExistingHostProbe.ApplyExistingHostBehaviorAsync(
+            context.IpcClient,
+            multiInstanceBehavior,
+            existingShellStatus!).ConfigureAwait(false);
+        context.ShellStatus = decisionResult.ActivationResult?.Status ?? existingShellStatus;
+        var recoverableActivationFailure = decisionResult.ActivationResult is not null &&
+                                           HostActivationPolicy.IsRecoverableActivationFailure(decisionResult.ActivationResult);
+        context.LastStage = decisionResult.Success || recoverableActivationFailure
+            ? StartupStage.ActivationRedirected
+            : StartupStage.ActivationFailed;
+        context.LastStageMessage = decisionResult.Message;
+        if (decisionResult.Success || recoverableActivationFailure)
+        {
+            context.StartupAttemptRegistry.MarkOwnedSucceeded(context.LastStage, context.LastStageMessage);
+        }
+        else
+        {
+            context.StartupAttemptRegistry.MarkOwnedFailed(context.LastStage, context.LastStageMessage);
+        }
+
+        context.PublishCoordinatorStatus(true, true, decisionResult.Success);
+        context.WindowsClosingByOrchestrator = true;
+        await LaunchUiPresenter.CloseWindowsAsync(context.SplashWindow, context.LoadingDetailsWindow).ConfigureAwait(false);
+        return new LaunchPhaseResult(
+            LaunchPhaseStatus.Completed,
+            LaunchResultBuilder.Build(
+                decisionResult.Success,
+                "launch",
+                decisionResult.Code,
+                decisionResult.Message,
+                LaunchResultBuilder.MergeDetails(
+                    context.LauncherContextDetails,
+                    new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
+                    {
+                        ["publicIpcConnected"] = "true",
+                        ["multiInstanceBehavior"] = multiInstanceBehavior.ToString(),
+                        ["existingHostPid"] = context.ShellStatus?.ProcessId.ToString() ?? string.Empty,
+                        ["existingShellState"] = context.ShellStatus?.ShellState ?? string.Empty,
+                        ["existingTrayState"] = context.ShellStatus?.Tray.State ?? string.Empty,
+                        ["existingTaskbarUsable"] = context.ShellStatus?.Taskbar.IsUsable.ToString() ?? string.Empty,
+                        ["activationAccepted"] = decisionResult.ActivationResult?.Accepted.ToString() ?? string.Empty
+                    })));
+    }
+}