private void OnObjectCreate(IntPtr hWinEventHook, uint eventType, IntPtr hWnd,
int idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
{
int pid;
GetWindowThreadProcessId(hWnd, out pid); // return value is thread id i.e. not useful here
if (Process.GetProcessById(pid).ProcessName == "spotify")
{
_objectCreateHook.Stop();
_objectCreateHook = null;
HookSpotify();
}
}
private void HookSpotify()
{
try
{
_spotify = Process.GetProcessesByName("spotify")[0];
}
catch (IndexOutOfRangeException)
{
// spotify isn't running; hook ObjectCreate and wait for it to launch
_objectCreateHook = new WinEventHook(OnObjectCreate, WinEventHook.EventConstant.EVENT_OBJECT_CREATE);
return;
}
// in case Mutify has been launched while Spotify is playing something
if (_currentTitle != null)
{
VolumeControl.SetApplicationMute(_spotify.Id, _blacklist.Contains(_currentTitle));
MuteAdButton.IsEnabled = true;
}
_spotify.EnableRaisingEvents = true; // register a handler
_spotify.Exited += SpotifyExited; // for spotify's exit
// hook changes to Spotify's main window title so titles can be checked against the blacklist
_windowNameHook = new WinEventHook(OnWindowNameChange, WinEventHook.EventConstant.EVENT_OBJECT_NAMECHANGE, _spotify.Id);
}
private void UnhookSpotify()
{
if (_windowNameHook != null)
{
_windowNameHook.Stop();
_windowNameHook = null;
}
}