internal GameStateWatcher(string gameInstallFolder, string gameOptionsFolder, string journalFolder, INativeMethods nativeMethods)
{
var gif = new GameInstallFolder(gameInstallFolder);
var gof = new GameOptionsFolder(gameOptionsFolder);
var jf = new JournalFolder(journalFolder);
_journalWatcher = new JournalWatcher(jf);
_journalWatcher.Started += JournalWatcher_Started;
_journalWatcher.EntryAdded += JournalWatcher_EntryAdded;
_statusWatcher = new StatusWatcher(jf);
_statusWatcher.Changed += StatusWatcher_Changed;
_bindingsWatcher = new BindingsWatcher(gif, gof);
_bindingsWatcher.Changed += BindingsWatcher_Changed;
_graphicsConfig = new GraphicsConfigWatcher(gif, gof);
_graphicsConfig.Changed += GraphicsConfig_Changed;
_modifierKeysWatcher = new ModifierKeysWatcher(nativeMethods);
_modifierKeysWatcher.Changed += ModifierKeysWatcher_Changed;
_gameProcessWatcher = new GameProcessWatcher(gif, nativeMethods);
_gameProcessWatcher.Changed += GameProcessWatcher_Changed;
_gameState = new GameState();
}
public void WatchesForGameProcessChanges()
{
var nm = new NativeMethodsMock()
{
Processes =
{
[0] = "System",
[1000] = "Process 1000",
[2000] = _gif.MainExecutable.FullName,
},
};
using var gpw = new GameProcessWatcher(_gif, nm);
var evs = new EventCollector <GameProcessState>(h => gpw.Changed += h, h => gpw.Changed -= h, nameof(WatchesForGameProcessChanges));
var pss = evs.Wait(3, () =>
{
InvokeTimerElapsed(gpw);
nm.ForegroundWindow = new IntPtr(2000);
InvokeTimerElapsed(gpw);
nm.ForegroundWindow = new IntPtr(1000);
InvokeTimerElapsed(gpw);
});
Assert.Equal(GameProcessState.NotRunning, pss[0]);
Assert.Equal(GameProcessState.InForeground, pss[1]);
Assert.Equal(GameProcessState.InBackground, pss[2]);
}
private static void InvokeTimerElapsed(GameProcessWatcher instance)
{
// HACK: Hopefully will no longer be needed when .NET 5.0 arrives (https://github.com/dotnet/runtime/issues/31204)
var e = (ElapsedEventArgs)_ciElapsedEventArgs.Invoke(new object[] { DateTime.Now.ToFileTime() });
_miTimerElapsed.Invoke(instance, new object[] { instance, e });
}
public void DoesNotThrowWhenDisposingTwice()
{
var pw = new GameProcessWatcher(_gif, new NativeMethodsMock());
#pragma warning disable IDISP016, IDISP017
pw.Dispose();
pw.Dispose();
#pragma warning restore IDISP016, IDISP017
}
public void StartAndStopAreNotReentrant()
{
using var gpw = new GameProcessWatcher(_gif, new NativeMethodsMock());
bool IsRunning() => gpw.GetPrivateField <bool>("_running");
Assert.False(IsRunning());
gpw.Start();
Assert.True(IsRunning());
gpw.Start();
Assert.True(IsRunning());
gpw.Stop();
Assert.False(IsRunning());
gpw.Stop();
Assert.False(IsRunning());
}
public void OnChangedIsNotReentrant()
{
var nm = new NativeMethodsMock()
{
Processes =
{
[0] = "System",
[1000] = "Process 1000",
[2000] = _gif.MainExecutable.FullName,
},
};
using var gpw = new GameProcessWatcher(_gif, nm);
var nOnChangedCalls = 0;
using var mre = new ManualResetEventSlim();
gpw.Changed += (sender, e) =>
{
Interlocked.Increment(ref nOnChangedCalls);
mre.Wait();
};
void TimerElapsed(int pid)
{
nm.ForegroundWindow = new IntPtr(pid);
InvokeTimerElapsed(gpw);
mre.Set();
}
Task.WaitAll(new[]
{
Task.Run(() => TimerElapsed(1000)),
Task.Run(() => TimerElapsed(2000)),
});
Assert.Equal(1, nOnChangedCalls);
}
