static IntPtr tapEventCallback(IntPtr proxy, CGEventType type, IntPtr evtHandle, IntPtr info)
{
using (new NSAutoreleasePool()) {
var evt = new CGEvent(evtHandle);
if (!SPMediaKeyTap.Shared.ShouldInterceptMediaKeyEvents)
{
return(evtHandle);
}
switch (type)
{
//kCGEventTapDisabledByTimeout
case (CGEventType)kCGEventTapDisabledByTimeout:
CGEvent.TapEnable(SPMediaKeyTap.Shared.eventPort);
return(evtHandle);
case (CGEventType)kCGEventTapDisabledByUser:
return(evtHandle);
}
NSEvent nsEvent = null;
try{
nsEvent = NSEvent.EventWithCGEvent(evtHandle);
}
catch (Exception ex) {
return(evtHandle);
}
if (nsEvent.Subtype != SPSystemDefinedEventMediaKeys)
{
return(evtHandle);
}
long keyCode = ((nsEvent.Data1 & 0xFFFF0000) >> 16);
var keyFlags = (nsEvent.Data1 & 0x0000FFFF);
var keyState = (((keyFlags & 0xFF00) >> 8)) == 0xA;
if (keyCode == 10 && keyFlags == 6972)
{
switch (nsEvent.Data2)
{
case 786608: // Play / Pause on OS < 10.10 Yosemite
case 786637: // Play / Pause on OS >= 10.10 Yosemite
Console.WriteLine(@"Play/Pause bluetooth keypress detected...sending corresponding media key event");
SPMediaKeyTap.Shared.RecievedEvent(MediaKey.Play);
break;
case 786611: // Next
Console.WriteLine(@"Next bluetooth keypress detected...sending corresponding media key event");
SPMediaKeyTap.Shared.RecievedEvent(MediaKey.Next);
break;
case 786612: // Previous
Console.WriteLine(@"Previous bluetooth keypress detected...sending corresponding media key event");
SPMediaKeyTap.Shared.RecievedEvent(MediaKey.Previous);
break;
case 786613: // Fast-forward
Console.WriteLine(@"Fast-forward bluetooth keypress detected...sending corresponding media key event");
SPMediaKeyTap.Shared.RecievedEvent(MediaKey.Fast);
break;
case 786614: // Rewind
Console.WriteLine(@"Rewind bluetooth keypress detected...sending corresponding media key event");
SPMediaKeyTap.Shared.RecievedEvent(MediaKey.Rewind);
break;
default:
// TODO make this popup a message in the UI (with a link to submit the issue and a "don't show this message again" checkbox)
LogManager.Shared.Log($"Unknown bluetooth key received: keyCode:{keyCode} keyFlags:{keyFlags} keyState:{keyState} {nsEvent.Data2}");
return(evtHandle);
}
}
else
{
if (keyCode != NX_KEYTYPE_PLAY && keyCode != NX_KEYTYPE_FAST && keyCode != NX_KEYTYPE_REWIND && keyCode != NX_KEYTYPE_PREVIOUS && keyCode != NX_KEYTYPE_NEXT)
{
return(evtHandle);
}
//These always come in pairs
if (lastKeyCode != keyCode)
{
SPMediaKeyTap.Shared.BeginInvokeOnMainThread(() => {
SPMediaKeyTap.Shared.RecievedEvent((MediaKey)keyCode);
});
lastKeyCode = keyCode;
}
else
{
lastKeyCode = 0;
}
}
evt.Dispose();
return(IntPtr.Zero);
}
}