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

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Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
lincube
2026-05-28 11:03:49 +08:00
parent b219f109ec
commit a26b6faace
19 changed files with 2530 additions and 801 deletions
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162
LanMountainDesktop.Launcher/Startup/ExistingHostProbe.cs Normal file
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using LanMountainDesktop.Launcher.Views;
using LanMountainDesktop.Shared.Contracts.Launcher;
using LanMountainDesktop.Shared.IPC;
using LanMountainDesktop.Shared.IPC.Abstractions.Services;
namespace LanMountainDesktop.Launcher.Startup;
internal static class ExistingHostProbe
{
public static MultiInstanceLaunchBehavior LoadMultiInstanceLaunchBehavior(DataLocationResolver dataLocationResolver)
{
try
{
var settingsPath = HostAppSettingsOobeMerger.GetSettingsFilePath(dataLocationResolver.ResolveDataRoot());
return HostAppSettingsOobeMerger.LoadMultiInstanceLaunchBehavior(settingsPath);
}
catch (Exception ex)
{
Logger.Warn($"Failed to load multi-instance launch behavior. Falling back to default. {ex.Message}");
return MultiInstanceLaunchBehavior.NotifyAndOpenDesktop;
}
}
public static async Task<PublicShellStatus?> TryGetExistingHostStatusAsync(
LanMountainDesktopIpcClient ipcClient,
TimeSpan timeout)
{
try
{
var connected = ipcClient.IsConnected ||
await PublicIpcConnection.TryConnectAsync(ipcClient, timeout).ConfigureAwait(false);
if (!connected)
{
return null;
}
var shellProxy = ipcClient.CreateProxy<IPublicShellControlService>();
return await shellProxy.GetShellStatusAsync().ConfigureAwait(false);
}
catch (Exception ex)
{
Logger.Info($"Existing host status probe did not complete: {ex.Message}");
return null;
}
}
public static async Task<ExistingHostBehaviorResult> ApplyExistingHostBehaviorAsync(
LanMountainDesktopIpcClient ipcClient,
MultiInstanceLaunchBehavior behavior,
PublicShellStatus status)
{
try
{
var shellProxy = ipcClient.CreateProxy<IPublicShellControlService>();
return behavior switch
{
MultiInstanceLaunchBehavior.OpenDesktopSilently => await ActivateExistingHostForBehaviorAsync(
shellProxy,
showLauncherNotice: false,
successCode: "existing_host_activated",
successMessage: "Launcher activated the existing desktop instance.",
failureCode: "existing_host_activation_failed").ConfigureAwait(false),
MultiInstanceLaunchBehavior.NotifyAndOpenDesktop => await ActivateExistingHostForBehaviorAsync(
shellProxy,
showLauncherNotice: true,
successCode: "existing_host_activated_with_notice",
successMessage: "Launcher activated the existing desktop instance and showed the repeated-launch notice.",
failureCode: "existing_host_activation_failed").ConfigureAwait(false),
MultiInstanceLaunchBehavior.PromptOnly => await ShowPromptOnlyExistingHostAsync(
shellProxy,
status).ConfigureAwait(false),
MultiInstanceLaunchBehavior.RestartApp => await RestartExistingHostAsync(shellProxy).ConfigureAwait(false),
_ => await ActivateExistingHostForBehaviorAsync(
shellProxy,
showLauncherNotice: true,
successCode: "existing_host_activated_with_notice",
successMessage: "Launcher activated the existing desktop instance and showed the repeated-launch notice.",
failureCode: "existing_host_activation_failed").ConfigureAwait(false)
};
}
catch (Exception ex)
{
Logger.Warn($"Failed to apply multi-instance behavior '{behavior}': {ex.Message}");
return new ExistingHostBehaviorResult(
false,
"multi_instance_behavior_failed",
$"Failed to apply multi-instance behavior '{behavior}': {ex.Message}",
null);
}
}
private static async Task<ExistingHostBehaviorResult> ActivateExistingHostForBehaviorAsync(
IPublicShellControlService shellProxy,
bool showLauncherNotice,
string successCode,
string successMessage,
string failureCode)
{
var activation = await shellProxy.ActivateMainWindowWithStatusAsync().ConfigureAwait(false);
var success = activation.Accepted || HostActivationPolicy.IsRecoverableActivationFailure(activation);
if (showLauncherNotice && success)
{
var promptResult = await LaunchUiPresenter.ShowMultiInstancePromptAsync(activation.Status).ConfigureAwait(false);
if (promptResult == MultiInstancePromptResult.OpenDesktop)
{
activation = await shellProxy.ActivateMainWindowWithStatusAsync().ConfigureAwait(false);
}
}
return new ExistingHostBehaviorResult(
success,
activation.Accepted ? successCode : success ? "existing_host_startup_pending" : failureCode,
activation.Accepted ? successMessage : activation.Message,
activation);
}
private static async Task<ExistingHostBehaviorResult> RestartExistingHostAsync(
IPublicShellControlService shellProxy)
{
var accepted = await shellProxy.RestartAsync().ConfigureAwait(false);
return new ExistingHostBehaviorResult(
accepted,
accepted ? "existing_host_restart_requested" : "existing_host_restart_failed",
accepted
? "Launcher requested the existing desktop instance to restart."
: "Launcher could not request restart from the existing desktop instance.",
null);
}
private static async Task<ExistingHostBehaviorResult> ShowPromptOnlyExistingHostAsync(
IPublicShellControlService shellProxy,
PublicShellStatus status)
{
var promptResult = await LaunchUiPresenter.ShowMultiInstancePromptAsync(status).ConfigureAwait(false);
if (promptResult == MultiInstancePromptResult.OpenDesktop)
{
return await ActivateExistingHostForBehaviorAsync(
shellProxy,
showLauncherNotice: false,
successCode: "existing_host_activated_from_prompt",
successMessage: "Launcher activated the existing desktop instance from the prompt.",
failureCode: "existing_host_activation_failed").ConfigureAwait(false);
}
return new ExistingHostBehaviorResult(
true,
"existing_host_prompt_only",
"Launcher showed the repeated-launch prompt and did not open the desktop automatically.",
null);
}
}
internal sealed record ExistingHostBehaviorResult(
bool Success,
string Code,
string Message,
PublicShellActivationResult? ActivationResult);