CPF/CPF.Mac/Mac/Foundation/NSUrlProtocol.cs

using CPF.Mac.ObjCRuntime;
using System;
using System.ComponentModel;

namespace CPF.Mac.Foundation
{
	[Register("NSURLProtocol", true)]
	public abstract class NSUrlProtocol : NSObject
	{
		private NSUrlProtocolClient client;

		private static readonly IntPtr selClientHandle = Selector.GetHandle("client");

		private static readonly IntPtr selRequestHandle = Selector.GetHandle("request");

		private static readonly IntPtr selCachedResponseHandle = Selector.GetHandle("cachedResponse");

		private static readonly IntPtr selInitWithRequestCachedResponseClient_Handle = Selector.GetHandle("initWithRequest:cachedResponse:client:");

		private static readonly IntPtr selCanInitWithRequest_Handle = Selector.GetHandle("canInitWithRequest:");

		private static readonly IntPtr selCanonicalRequestForRequest_Handle = Selector.GetHandle("canonicalRequestForRequest:");

		private static readonly IntPtr selRequestIsCacheEquivalentToRequest_Handle = Selector.GetHandle("requestIsCacheEquivalent:toRequest:");

		private static readonly IntPtr selStartLoadingHandle = Selector.GetHandle("startLoading");

		private static readonly IntPtr selStopLoadingHandle = Selector.GetHandle("stopLoading");

		private static readonly IntPtr selPropertyForKeyInRequest_Handle = Selector.GetHandle("propertyForKey:inRequest:");

		private static readonly IntPtr selSetPropertyForKeyInRequest_Handle = Selector.GetHandle("setProperty:forKey:inRequest:");

		private static readonly IntPtr selRemovePropertyForKeyInRequest_Handle = Selector.GetHandle("removePropertyForKey:inRequest:");

		private static readonly IntPtr selRegisterClass_Handle = Selector.GetHandle("registerClass:");

		private static readonly IntPtr selUnregisterClass_Handle = Selector.GetHandle("unregisterClass:");

		private static readonly IntPtr class_ptr = Class.GetHandle("NSURLProtocol");

		private object __mt_WeakClient_var;

		private object __mt_Request_var;

		private object __mt_CachedResponse_var;

		public NSUrlProtocolClient Client
		{
			get
			{
				if (client == null)
				{
					client = new NSUrlProtocolClient(WeakClient.Handle);
				}
				return client;
			}
		}

		public override IntPtr ClassHandle => class_ptr;

		public virtual NSObject WeakClient
		{
			[Export("client")]
			get
			{
				return (NSObject)(__mt_WeakClient_var = ((!IsDirectBinding) ? Runtime.GetNSObject(Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, selClientHandle)) : Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend(base.Handle, selClientHandle))));
			}
		}

		public virtual NSUrlRequest Request
		{
			[Export("request")]
			get
			{
				return (NSUrlRequest)(__mt_Request_var = ((!IsDirectBinding) ? ((NSUrlRequest)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, selRequestHandle))) : ((NSUrlRequest)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend(base.Handle, selRequestHandle)))));
			}
		}

		public virtual NSCachedUrlResponse CachedResponse
		{
			[Export("cachedResponse")]
			get
			{
				return (NSCachedUrlResponse)(__mt_CachedResponse_var = ((!IsDirectBinding) ? ((NSCachedUrlResponse)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, selCachedResponseHandle))) : ((NSCachedUrlResponse)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend(base.Handle, selCachedResponseHandle)))));
			}
		}

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		[Export("init")]
		public NSUrlProtocol()
			: base(NSObjectFlag.Empty)
		{
			if (IsDirectBinding)
			{
				base.Handle = Messaging.IntPtr_objc_msgSend(base.Handle, Selector.Init);
			}
			else
			{
				base.Handle = Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, Selector.Init);
			}
		}

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		[Export("initWithCoder:")]
		public NSUrlProtocol(NSCoder coder)
			: base(NSObjectFlag.Empty)
		{
			if (IsDirectBinding)
			{
				base.Handle = Messaging.IntPtr_objc_msgSend_IntPtr(base.Handle, Selector.InitWithCoder, coder.Handle);
			}
			else
			{
				base.Handle = Messaging.IntPtr_objc_msgSendSuper_IntPtr(base.SuperHandle, Selector.InitWithCoder, coder.Handle);
			}
		}

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		public NSUrlProtocol(NSObjectFlag t)
			: base(t)
		{
		}

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		public NSUrlProtocol(IntPtr handle)
			: base(handle)
		{
		}

		[Export("initWithRequest:cachedResponse:client:")]
		public NSUrlProtocol(NSUrlRequest request, NSCachedUrlResponse cachedResponse, NSUrlProtocolClient client)
			: base(NSObjectFlag.Empty)
		{
			if (request == null)
			{
				throw new ArgumentNullException("request");
			}
			if (client == null)
			{
				throw new ArgumentNullException("client");
			}
			if (IsDirectBinding)
			{
				base.Handle = Messaging.IntPtr_objc_msgSend_IntPtr_IntPtr_IntPtr(base.Handle, selInitWithRequestCachedResponseClient_Handle, request.Handle, cachedResponse?.Handle ?? IntPtr.Zero, client.Handle);
			}
			else
			{
				base.Handle = Messaging.IntPtr_objc_msgSendSuper_IntPtr_IntPtr_IntPtr(base.SuperHandle, selInitWithRequestCachedResponseClient_Handle, request.Handle, cachedResponse?.Handle ?? IntPtr.Zero, client.Handle);
			}
		}

		[Export("canInitWithRequest:")]
		public static bool CanInitWithRequest(NSUrlRequest request)
		{
			if (request == null)
			{
				throw new ArgumentNullException("request");
			}
			return Messaging.bool_objc_msgSend_IntPtr(class_ptr, selCanInitWithRequest_Handle, request.Handle);
		}

		[Export("canonicalRequestForRequest:")]
		public static NSUrlRequest GetCanonicalRequest(NSUrlRequest forRequest)
		{
			if (forRequest == null)
			{
				throw new ArgumentNullException("forRequest");
			}
			return (NSUrlRequest)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend_IntPtr(class_ptr, selCanonicalRequestForRequest_Handle, forRequest.Handle));
		}

		[Export("requestIsCacheEquivalent:toRequest:")]
		public static bool IsRequestCacheEquivalent(NSUrlRequest first, NSUrlRequest second)
		{
			if (first == null)
			{
				throw new ArgumentNullException("first");
			}
			if (second == null)
			{
				throw new ArgumentNullException("second");
			}
			return Messaging.bool_objc_msgSend_IntPtr_IntPtr(class_ptr, selRequestIsCacheEquivalentToRequest_Handle, first.Handle, second.Handle);
		}

		[Export("startLoading")]
		public virtual void StartLoading()
		{
			if (IsDirectBinding)
			{
				Messaging.void_objc_msgSend(base.Handle, selStartLoadingHandle);
			}
			else
			{
				Messaging.void_objc_msgSendSuper(base.SuperHandle, selStartLoadingHandle);
			}
		}

		[Export("stopLoading")]
		public virtual void StopLoading()
		{
			if (IsDirectBinding)
			{
				Messaging.void_objc_msgSend(base.Handle, selStopLoadingHandle);
			}
			else
			{
				Messaging.void_objc_msgSendSuper(base.SuperHandle, selStopLoadingHandle);
			}
		}

		[Export("propertyForKey:inRequest:")]
		public static NSObject GetProperty(string key, NSUrlRequest inRequest)
		{
			if (key == null)
			{
				throw new ArgumentNullException("key");
			}
			if (inRequest == null)
			{
				throw new ArgumentNullException("inRequest");
			}
			IntPtr intPtr = NSString.CreateNative(key);
			NSObject nSObject = Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend_IntPtr_IntPtr(class_ptr, selPropertyForKeyInRequest_Handle, intPtr, inRequest.Handle));
			NSString.ReleaseNative(intPtr);
			return nSObject;
		}

		[Export("setProperty:forKey:inRequest:")]
		public static void SetProperty(NSObject value, string key, NSMutableUrlRequest inRequest)
		{
			if (key == null)
			{
				throw new ArgumentNullException("key");
			}
			if (inRequest == null)
			{
				throw new ArgumentNullException("inRequest");
			}
			IntPtr intPtr = NSString.CreateNative(key);
			Messaging.void_objc_msgSend_IntPtr_IntPtr_IntPtr(class_ptr, selSetPropertyForKeyInRequest_Handle, value?.Handle ?? IntPtr.Zero, intPtr, inRequest.Handle);
			NSString.ReleaseNative(intPtr);
		}

		[Export("removePropertyForKey:inRequest:")]
		public static void RemoveProperty(string propertyKey, NSMutableUrlRequest request)
		{
			if (propertyKey == null)
			{
				throw new ArgumentNullException("propertyKey");
			}
			if (request == null)
			{
				throw new ArgumentNullException("request");
			}
			IntPtr intPtr = NSString.CreateNative(propertyKey);
			Messaging.void_objc_msgSend_IntPtr_IntPtr(class_ptr, selRemovePropertyForKeyInRequest_Handle, intPtr, request.Handle);
			NSString.ReleaseNative(intPtr);
		}

		[Export("registerClass:")]
		public static bool RegisterClass(Class protocolClass)
		{
			if (protocolClass == null)
			{
				throw new ArgumentNullException("protocolClass");
			}
			return Messaging.bool_objc_msgSend_IntPtr(class_ptr, selRegisterClass_Handle, protocolClass.Handle);
		}

		[Export("unregisterClass:")]
		public static void UnregisterClass(Class protocolClass)
		{
			if (protocolClass == null)
			{
				throw new ArgumentNullException("protocolClass");
			}
			Messaging.void_objc_msgSend_IntPtr(class_ptr, selUnregisterClass_Handle, protocolClass.Handle);
		}

		protected override void Dispose(bool disposing)
		{
			base.Dispose(disposing);
			if (base.Handle == IntPtr.Zero)
			{
				__mt_WeakClient_var = null;
				__mt_Request_var = null;
				__mt_CachedResponse_var = null;
			}
		}
	}
}