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29af70274d
The stored delegate list would store delegates indefinitely, causing a memory leak. It is now the responsibility of each class to maintain references to any callback functions it defines.
101 lines
3.6 KiB
C#
101 lines
3.6 KiB
C#
#region License
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//
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// Class.cs
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//
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// Author:
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// Olle Håkansson <ollhak@gmail.com>
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//
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// Copyright (c) 2014 Olle Håkansson
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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#endregion
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using System.Runtime.InteropServices;
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using System;
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using System.Collections.Generic;
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namespace OpenTK.Platform.MacOS
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{
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static class Class
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{
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public static readonly IntPtr NSAutoreleasePool = Get("NSAutoreleasePool");
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public static readonly IntPtr NSDictionary = Get("NSDictionary");
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public static readonly IntPtr NSNumber = Get("NSNumber");
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public static readonly IntPtr NSUserDefaults = Get("NSUserDefaults");
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[DllImport (Cocoa.LibObjC)]
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extern static IntPtr class_getName(IntPtr handle);
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[DllImport (Cocoa.LibObjC)]
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extern static bool class_addMethod(IntPtr classHandle, IntPtr selector, IntPtr method, string types);
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[DllImport (Cocoa.LibObjC)]
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extern static IntPtr objc_getClass(string name);
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[DllImport (Cocoa.LibObjC)]
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extern static IntPtr objc_allocateClassPair(IntPtr parentClass, string name, int extraBytes);
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[DllImport (Cocoa.LibObjC)]
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extern static void objc_registerClassPair(IntPtr classToRegister);
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[DllImport (Cocoa.LibObjC)]
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extern static void objc_disposeClassPair(IntPtr cls);
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public static IntPtr Get(string name)
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{
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var id = objc_getClass(name);
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if (id == IntPtr.Zero)
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{
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throw new ArgumentException("Unknown class: " + name);
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}
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return id;
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}
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public static IntPtr AllocateClass(string className, string parentClass)
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{
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return objc_allocateClassPair(Get(parentClass), className, 0);
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}
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public static void RegisterClass(IntPtr handle)
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{
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objc_registerClassPair(handle);
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}
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public static void DisposeClass(IntPtr handle)
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{
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objc_disposeClassPair(handle);
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}
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public static void RegisterMethod(IntPtr handle, Delegate d, string selector, string typeString)
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{
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// TypeString info:
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// https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/ObjCRuntimeGuide/Articles/ocrtTypeEncodings.html
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IntPtr p = Marshal.GetFunctionPointerForDelegate(d);
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bool r = class_addMethod(handle, Selector.Get(selector), p, typeString);
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if (!r)
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{
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throw new ArgumentException("Could not register method " + d + " in class + " + class_getName(handle));
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}
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}
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}
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}
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