// Constructor
public AppSystem(IForegroundWindowHook fgHook, IWindowUpdateHook winHook, IMouseHook msHook)
{
_state = new InitialState();
_stateContext = new AppStateContext
{
PathModeLocksToHandle = false,
ForegroundHook = fgHook,
WindowHook = winHook,
MouseHook = msHook,
SetCurrentState = (next) => SetCurrentState(next),
SendLockStateChange = () => LockStateChanged.Invoke(this, new Events.LockStateChangedEventArgs {
IsLocked = IsLocked
}),
SendPathChange = (path) => PathChanged.Invoke(this, new Events.PathChangedEventArgs {
Path = path
}),
SendTitleChange = (title) => TitleChanged.Invoke(this, new Events.TitleChangedEventArgs {
Title = title
}),
SendDimensionsChange = (dimensions) => DimensionsChanged.Invoke(this, new Events.DimensionsChangedEventArgs {
Dimensions = dimensions
}),
SendForegroundChange = (inForeground) => ForegroundChanged.Invoke(this, new Events.ForegroundStateChangedEventArgs {
InForeground = inForeground
})
};
fgHook.ForegroundWindowChanged += ForegroundHook_ForegroundWindowChanged;
winHook.WindowClosed += WindowHook_WindowClosed;
winHook.DimensionsChanged += WindowHook_DimensionsChanged;
winHook.TitleChanged += WindowHook_TitleChanged;
}
public static void CheckForegroundWindow(object sender, ElapsedEventArgs e)
{
WindowManager.IsFocused = IsActive();
if (IsActive() != _isActive)
{
ForegroundChanged?.Invoke();
}
_isActive = IsActive();
}
private static void CheckForegroundWindow(object sender, ElapsedEventArgs e)
{
if (IsForeground == IsActive)
{
return;
}
IsForeground = IsActive;
ForegroundChanged?.Invoke();
}
void WinEventCallback(IntPtr hWinEventHook, WinAPI.WinEvent eventType, IntPtr hWnd,
int idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
{
switch (eventType)
{
case WinAPI.WinEvent.SystemForeground:
ForegroundChanged?.Invoke(this, new WinEventArgs(hWnd));
break;
}
}
public WindowMonitor()
{
_foregroundWindowChanged = (hook, type, hwnd, idObject, child, thread, time) =>
{
// ignore any event not pertaining directly to the window
if (idObject != User32.NativeMethods.OBJID_WINDOW)
{
return;
}
// Ignore if this is a bogus hwnd (shouldn't happen)
if (hwnd == IntPtr.Zero)
{
return;
}
var(processId, windowText, windowClass) = ProcessWindowInformation(hwnd);
//Couldn't find the processId of the window
if (processId == 0)
{
return;
}
Task.Factory.StartNew(() =>
{
try
{
var process = Process.GetProcessById((int)processId);
var processName = process.MainModule?.FileName ?? "N/A";
ForegroundChanged?.Invoke(this, new Event(processId, processName, windowText, windowClass, hwnd));
}
catch (Exception e)
{
Log.Warning(e, "Couldn't get info about foreground process");
}
});
};
ComThread.Invoke(() =>
{
User32.NativeMethods.SetWinEventHook(User32.NativeMethods.EVENT_SYSTEM_MINIMIZEEND,
User32.NativeMethods.EVENT_SYSTEM_MINIMIZEEND,
IntPtr.Zero, _foregroundWindowChanged,
0,
0,
User32.NativeMethods.WINEVENT_OUTOFCONTEXT);
User32.NativeMethods.SetWinEventHook(User32.NativeMethods.EVENT_SYSTEM_FOREGROUND,
User32.NativeMethods.EVENT_SYSTEM_FOREGROUND,
IntPtr.Zero, _foregroundWindowChanged,
0,
0,
User32.NativeMethods.WINEVENT_OUTOFCONTEXT);
});
}
private void OnForegroundChange(object o, ProcessArgs e)
{
ForegroundChanged?.Invoke(o, e);
}