private string CreateSchemeHandler(IntPtr configuration)
{
string host = null;
if (string.IsNullOrWhiteSpace(config.ExternalHost))
{
const string scheme = "spidereye";
host = UriTools.GetRandomResourceUrl(scheme);
IntPtr handlerClass = ObjC.AllocateClassPair(ObjC.GetClass("NSObject"), "SchemeHandler" + count, IntPtr.Zero);
ObjC.AddProtocol(handlerClass, ObjC.GetProtocol("WKURLSchemeHandler"));
ObjC.AddMethod(
handlerClass,
ObjC.RegisterName("webView:startURLSchemeTask:"),
uriSchemeStartDelegate,
"v@:@@");
ObjC.AddMethod(
handlerClass,
ObjC.RegisterName("webView:stopURLSchemeTask:"),
uriSchemeStopDelegate,
"v@:@@");
ObjC.RegisterClassPair(handlerClass);
IntPtr handler = ObjC.Call(handlerClass, "new");
ObjC.Call(configuration, "setURLSchemeHandler:forURLScheme:", handler, NSString.Create(scheme));
}
return(host);
}
private IntPtr CreateCallbackClass()
{
IntPtr callbackClass = ObjC.AllocateClassPair(ObjC.GetClass("NSObject"), "CallbackClass" + count, IntPtr.Zero);
ObjC.AddProtocol(callbackClass, ObjC.GetProtocol("WKNavigationDelegate"));
ObjC.AddProtocol(callbackClass, ObjC.GetProtocol("WKScriptMessageHandler"));
ObjC.AddMethod(
callbackClass,
ObjC.RegisterName("webView:didFinishNavigation:"),
loadDelegate,
"v@:@@");
ObjC.AddMethod(
callbackClass,
ObjC.RegisterName("webView:didFailNavigation:withError:"),
loadFailedDelegate,
"v@:@@@");
ObjC.AddMethod(
callbackClass,
ObjC.RegisterName("observeValueForKeyPath:ofObject:change:context:"),
observedValueChangedDelegate,
"v@:@@@@");
ObjC.AddMethod(
callbackClass,
ObjC.RegisterName("userContentController:didReceiveScriptMessage:"),
scriptDelegate,
"v@:@@");
ObjC.RegisterClassPair(callbackClass);
return(ObjC.Call(callbackClass, "new"));
}
private void SetCallbackClass()
{
string name = "MenuCallbackObject" + Interlocked.Increment(ref classCount);
IntPtr callbackClass = ObjC.AllocateClassPair(ObjC.GetClass("NSObject"), name, IntPtr.Zero);
ObjC.AddMethod(
callbackClass,
ObjC.RegisterName("menuCallback:"),
menuDelegate,
"v@:@");
ObjC.RegisterClassPair(callbackClass);
ObjC.Call(Handle, "setTarget:", ObjC.Call(callbackClass, "new"));
}
public void AddMethod <T>(string name, string signature, T callback)
where T : Delegate
{
if (registered)
{
throw new InvalidOperationException("Native class is already declared and registered");
}
// keep reference to callback or it will get garbage collected
callbacks.Add(callback);
ObjC.AddMethod(
Handle,
ObjC.RegisterName(name),
callback,
signature);
}
private static IMenu appMenu; // needed to prevent garbage collection
static Application()
{
OS = GetOS();
CheckOs(OperatingSystem.MacOS);
Factory = new CocoaUiFactory();
// need to keep the delegates around or they will get garbage collected
ShouldTerminateDelegateRef = ShouldTerminateCallback;
AppFinishedLaunchingDelegateRef = AppFinishedLaunching;
AppHandle = GetApp();
ObjC.Call(AppHandle, "setActivationPolicy:", IntPtr.Zero);
IntPtr appDelegateClass = ObjC.AllocateClassPair(ObjC.GetClass("NSObject"), "AppDelegate", IntPtr.Zero);
ObjC.AddProtocol(appDelegateClass, ObjC.GetProtocol("NSApplicationDelegate"));
ObjC.AddMethod(
appDelegateClass,
ObjC.RegisterName("applicationShouldTerminateAfterLastWindowClosed:"),
ShouldTerminateDelegateRef,
"c@:@");
ObjC.AddMethod(
appDelegateClass,
ObjC.RegisterName("applicationDidFinishLaunching:"),
AppFinishedLaunchingDelegateRef,
"v@:@");
ObjC.RegisterClassPair(appDelegateClass);
IntPtr appDelegate = ObjC.Call(appDelegateClass, "new");
ObjC.Call(AppHandle, "setDelegate:", appDelegate);
CreateDefaultAppMenu();
}
private void SetWindowDelegate(IntPtr window)
{
IntPtr windowDelegateClass = ObjC.AllocateClassPair(ObjC.GetClass("NSObject"), "WindowDelegate" + count, IntPtr.Zero);
ObjC.AddProtocol(windowDelegateClass, ObjC.GetProtocol("NSWindowDelegate"));
ObjC.AddMethod(
windowDelegateClass,
ObjC.RegisterName("windowShouldClose:"),
windowShouldCloseDelegate,
"c@:@");
ObjC.AddMethod(
windowDelegateClass,
ObjC.RegisterName("windowWillClose:"),
windowWillCloseDelegate,
"v@:@");
ObjC.RegisterClassPair(windowDelegateClass);
IntPtr windowDelegate = ObjC.Call(windowDelegateClass, "new");
ObjC.Call(window, "setDelegate:", windowDelegate);
}