1 #pragma warning disable CS1591
3 using System.Runtime.InteropServices;
4 using System.Collections.Generic;
6 using System.ComponentModel;
8 /// <summary>Efl observer interface</summary>
9 [IObserverNativeInherit]
10 public interface IObserver :
11 Efl.Eo.IWrapper, IDisposable
13 /// <summary>Update observer according to the changes of observable object.</summary>
14 /// <param name="obs">An observable object</param>
15 /// <param name="key">A key to classify observer groups</param>
16 /// <param name="data">Required data to update the observer, usually passed by observable object</param>
17 /// <returns></returns>
18 void Update( Efl.Object obs, System.String key, System.IntPtr data);
20 /// <summary>Efl observer interface</summary>
21 sealed public class IObserverConcrete :
26 ///<summary>Pointer to the native class description.</summary>
27 public System.IntPtr NativeClass {
29 if (((object)this).GetType() == typeof (IObserverConcrete))
30 return Efl.IObserverNativeInherit.GetEflClassStatic();
32 return Efl.Eo.ClassRegister.klassFromType[((object)this).GetType()];
35 private System.IntPtr handle;
36 ///<summary>Pointer to the native instance.</summary>
37 public System.IntPtr NativeHandle {
38 get { return handle; }
40 [System.Runtime.InteropServices.DllImport(efl.Libs.Efl)] internal static extern System.IntPtr
41 efl_observer_interface_get();
42 ///<summary>Internal usage: Constructs an instance from a native pointer. This is used when interacting with C code and should not be used directly.</summary>
43 private IObserverConcrete(System.IntPtr raw)
46 RegisterEventProxies();
48 ///<summary>Destructor.</summary>
53 ///<summary>Releases the underlying native instance.</summary>
54 void Dispose(bool disposing)
56 if (handle != System.IntPtr.Zero) {
57 Efl.Eo.Globals.efl_unref(handle);
58 handle = System.IntPtr.Zero;
61 ///<summary>Releases the underlying native instance.</summary>
65 GC.SuppressFinalize(this);
67 ///<summary>Verifies if the given object is equal to this one.</summary>
68 public override bool Equals(object obj)
70 var other = obj as Efl.Object;
73 return this.NativeHandle == other.NativeHandle;
75 ///<summary>Gets the hash code for this object based on the native pointer it points to.</summary>
76 public override int GetHashCode()
78 return this.NativeHandle.ToInt32();
80 ///<summary>Turns the native pointer into a string representation.</summary>
81 public override String ToString()
83 return $"{this.GetType().Name}@[{this.NativeHandle.ToInt32():x}]";
85 ///<summary>Register the Eo event wrappers making the bridge to C# events. Internal usage only.</summary>
86 void RegisterEventProxies()
89 /// <summary>Update observer according to the changes of observable object.</summary>
90 /// <param name="obs">An observable object</param>
91 /// <param name="key">A key to classify observer groups</param>
92 /// <param name="data">Required data to update the observer, usually passed by observable object</param>
93 /// <returns></returns>
94 public void Update( Efl.Object obs, System.String key, System.IntPtr data) {
95 Efl.IObserverNativeInherit.efl_observer_update_ptr.Value.Delegate(this.NativeHandle, obs, key, data);
96 Eina.Error.RaiseIfUnhandledException();
98 private static IntPtr GetEflClassStatic()
100 return Efl.IObserverConcrete.efl_observer_interface_get();
103 public class IObserverNativeInherit : Efl.Eo.NativeClass{
104 public static Efl.Eo.NativeModule _Module = new Efl.Eo.NativeModule(efl.Libs.Efl);
105 public override System.Collections.Generic.List<Efl_Op_Description> GetEoOps(System.Type type)
107 var descs = new System.Collections.Generic.List<Efl_Op_Description>();
108 var methods = Efl.Eo.Globals.GetUserMethods(type);
109 if (efl_observer_update_static_delegate == null)
110 efl_observer_update_static_delegate = new efl_observer_update_delegate(update);
111 if (methods.FirstOrDefault(m => m.Name == "Update") != null)
112 descs.Add(new Efl_Op_Description() {api_func = Efl.Eo.FunctionInterop.LoadFunctionPointer(_Module.Module, "efl_observer_update"), func = Marshal.GetFunctionPointerForDelegate(efl_observer_update_static_delegate)});
115 public override IntPtr GetEflClass()
117 return Efl.IObserverConcrete.efl_observer_interface_get();
119 public static IntPtr GetEflClassStatic()
121 return Efl.IObserverConcrete.efl_observer_interface_get();
125 private delegate void efl_observer_update_delegate(System.IntPtr obj, System.IntPtr pd, [MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef=typeof(Efl.Eo.MarshalTest<Efl.Object, Efl.Eo.NonOwnTag>))] Efl.Object obs, [MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef=typeof(Efl.Eo.StringKeepOwnershipMarshaler))] System.String key, System.IntPtr data);
128 public delegate void efl_observer_update_api_delegate(System.IntPtr obj, [MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef=typeof(Efl.Eo.MarshalTest<Efl.Object, Efl.Eo.NonOwnTag>))] Efl.Object obs, [MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef=typeof(Efl.Eo.StringKeepOwnershipMarshaler))] System.String key, System.IntPtr data);
129 public static Efl.Eo.FunctionWrapper<efl_observer_update_api_delegate> efl_observer_update_ptr = new Efl.Eo.FunctionWrapper<efl_observer_update_api_delegate>(_Module, "efl_observer_update");
130 private static void update(System.IntPtr obj, System.IntPtr pd, Efl.Object obs, System.String key, System.IntPtr data)
132 Eina.Log.Debug("function efl_observer_update was called");
133 Efl.Eo.IWrapper wrapper = Efl.Eo.Globals.PrivateDataGet(pd);
134 if(wrapper != null) {
137 ((IObserver)wrapper).Update( obs, key, data);
138 } catch (Exception e) {
139 Eina.Log.Warning($"Callback error: {e.ToString()}");
140 Eina.Error.Set(Eina.Error.UNHANDLED_EXCEPTION);
143 efl_observer_update_ptr.Value.Delegate(Efl.Eo.Globals.efl_super(obj, Efl.Eo.Globals.efl_class_get(obj)), obs, key, data);
146 private static efl_observer_update_delegate efl_observer_update_static_delegate;