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glib: move some GLib.Object private methods to ClassInitializer class
Refactoring: moving these methods from GLib.Object to ClassInitializer brings some benefits: * We can mark OverrideHandlers as private instead of internal. * We reduce the number of parameters to zero by making them use fields. * We can make the god GLib.Object class a bit smaller. * We can make the ClassInitializer.Idx counter private instead of internal.
This commit is contained in:
Andres G. Aragoneses
parent
9ff7ec8b2c
commit
cb4c7d95ea
208
glib/Object.cs
208
glib/Object.cs
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@ -139,38 +139,6 @@ namespace GLib {
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return GetObject (o, false);
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}
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private static void ConnectDefaultHandlers (GType gtype, System.Type t)
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{
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foreach (MethodInfo minfo in t.GetMethods(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.DeclaredOnly)) {
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MethodInfo baseinfo = minfo.GetBaseDefinition ();
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if (baseinfo == minfo)
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continue;
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foreach (object attr in baseinfo.GetCustomAttributes (typeof (DefaultSignalHandlerAttribute), false)) {
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DefaultSignalHandlerAttribute sigattr = attr as DefaultSignalHandlerAttribute;
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MethodInfo connector = sigattr.Type.GetMethod (sigattr.ConnectionMethod, BindingFlags.Static | BindingFlags.NonPublic, null, new Type[] { typeof (GType) }, new ParameterModifier [0]);
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object[] parms = new object [1];
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parms [0] = gtype;
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connector.Invoke (null, parms);
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break;
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}
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}
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}
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private static void InvokeTypeInitializers (GType gtype, System.Type t)
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{
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object[] parms = {gtype, t};
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BindingFlags flags = BindingFlags.Static | BindingFlags.NonPublic;
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foreach (TypeInitializerAttribute tia in t.GetCustomAttributes (typeof (TypeInitializerAttribute), true)) {
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MethodInfo m = tia.Type.GetMethod (tia.MethodName, flags);
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if (m != null)
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m.Invoke (null, parms);
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}
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}
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// Key: The Type for the set of properties
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// Value->SubKey: The pointer to the ParamSpec of the property
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// Value->SubValue: The corresponding PropertyInfo object
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@ -218,17 +186,16 @@ namespace GLib {
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internal class ClassInitializer {
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internal uint Idx { get; set; }
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internal Type Type { get; private set; }
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internal bool HandlersOverriden { get; private set; }
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uint idx = 1;
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bool is_first_subclass;
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private GType gtype;
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private List<GInterfaceAdapter> adapters = new List<GInterfaceAdapter> ();
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internal ClassInitializer (Type type)
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{
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Idx = 1;
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Type = type;
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gtype = GType.RegisterGObjectType (this);
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is_first_subclass = gtype.GetBaseType () == gtype.GetThresholdType ();
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@ -239,10 +206,10 @@ namespace GLib {
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AddGInterfaces ();
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gtype.EnsureClass (); //calls class_init
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AddProperties (gtype, Type, is_first_subclass, this);
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ConnectDefaultHandlers (gtype, Type);
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InvokeTypeInitializers (gtype, Type);
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AddInterfaceProperties (gtype, Type);
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AddProperties ();
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ConnectDefaultHandlers ();
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InvokeTypeInitializers ();
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AddInterfaceProperties ();
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return gtype;
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}
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@ -295,11 +262,11 @@ namespace GLib {
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void OverrideProperty (IntPtr declaring_class, string name)
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{
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Object.OverrideProperty (declaring_class, Idx++, name);
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Idx++;
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Object.OverrideProperty (declaring_class, idx++, name);
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idx++;
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}
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internal void OverrideHandlers (bool ctor, bool properties)
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private void OverrideHandlers (bool ctor, bool properties)
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{
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OverrideHandlers (gtype.GetClassPtr (), ctor, properties);
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}
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@ -320,6 +287,102 @@ namespace GLib {
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Marshal.StructureToPtr (gobject_class, gobject_class_handle, false);
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HandlersOverriden = true;
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}
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void AddProperties ()
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{
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if (is_first_subclass) {
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IntPtr declaring_class = gtype.GetClassPtr ();
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ParamSpec pspec = new ParamSpec ("gtk-sharp-managed-instance", "", "", GType.Pointer, ParamFlags.Writable | ParamFlags.ConstructOnly);
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g_object_class_install_property (declaring_class, idx, pspec.Handle);
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idx++;
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}
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foreach (PropertyInfo pinfo in Type.GetProperties (BindingFlags.Instance | BindingFlags.Public | BindingFlags.DeclaredOnly)) {
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foreach (object attr in pinfo.GetCustomAttributes (typeof (PropertyAttribute), false)) {
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if (pinfo.GetIndexParameters ().Length > 0)
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throw new InvalidOperationException(String.Format("GLib.RegisterPropertyAttribute cannot be applied to property {0} of type {1} because the property expects one or more indexed parameters",
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pinfo.Name, Type.FullName));
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OverrideHandlers (false, true);
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PropertyAttribute property_attr = attr as PropertyAttribute;
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try {
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IntPtr param_spec = RegisterProperty (gtype, property_attr.Name, property_attr.Nickname, property_attr.Blurb, idx, (GType) pinfo.PropertyType, pinfo.CanRead, pinfo.CanWrite);
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Type type = (Type)gtype;
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Dictionary<IntPtr, PropertyInfo> gtype_properties;
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if (!Properties.TryGetValue (type, out gtype_properties)) {
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gtype_properties = new Dictionary<IntPtr, PropertyInfo> ();
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Properties [type] = gtype_properties;
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}
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gtype_properties.Add (param_spec, pinfo);
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idx++;
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} catch (ArgumentException) {
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throw new InvalidOperationException (String.Format ("GLib.PropertyAttribute cannot be applied to property {0} of type {1} because the return type of the property is not supported",
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pinfo.Name, Type.FullName));
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}
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}
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}
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}
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void AddInterfaceProperties ()
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{
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foreach (Type iface in Type.GetInterfaces ()) {
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if (!iface.IsDefined (typeof (GInterfaceAttribute), true))
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continue;
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GInterfaceAttribute attr = iface.GetCustomAttributes (typeof (GInterfaceAttribute), false) [0] as GInterfaceAttribute;
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GInterfaceAdapter adapter = Activator.CreateInstance (attr.AdapterType, null) as GInterfaceAdapter;
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foreach (PropertyInfo p in iface.GetProperties ()) {
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PropertyAttribute[] attrs = p.GetCustomAttributes (typeof (PropertyAttribute), true) as PropertyAttribute [];
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if (attrs.Length == 0)
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continue;
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PropertyAttribute property_attr = attrs [0];
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PropertyInfo declared_prop = Type.GetProperty (p.Name, BindingFlags.Public | BindingFlags.Instance);
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if (declared_prop == null)
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continue;
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IntPtr param_spec = FindInterfaceProperty (adapter.GType, property_attr.Name);
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Dictionary<IntPtr, PropertyInfo> props;
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if (!Properties.TryGetValue (Type, out props)) {
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props = new Dictionary<IntPtr, PropertyInfo> ();
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Properties [Type] = props;
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}
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props [param_spec] = declared_prop;
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}
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}
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}
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void ConnectDefaultHandlers ()
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{
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foreach (MethodInfo minfo in Type.GetMethods(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.DeclaredOnly)) {
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MethodInfo baseinfo = minfo.GetBaseDefinition ();
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if (baseinfo == minfo)
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continue;
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foreach (object attr in baseinfo.GetCustomAttributes (typeof (DefaultSignalHandlerAttribute), false)) {
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DefaultSignalHandlerAttribute sigattr = attr as DefaultSignalHandlerAttribute;
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MethodInfo connector = sigattr.Type.GetMethod (sigattr.ConnectionMethod, BindingFlags.Static | BindingFlags.NonPublic, null, new Type[] { typeof (GType) }, new ParameterModifier [0]);
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object[] parms = new object [1];
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parms [0] = gtype;
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connector.Invoke (null, parms);
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break;
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}
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}
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}
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void InvokeTypeInitializers ()
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{
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object[] parms = {gtype, Type};
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BindingFlags flags = BindingFlags.Static | BindingFlags.NonPublic;
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foreach (TypeInitializerAttribute tia in Type.GetCustomAttributes (typeof (TypeInitializerAttribute), true)) {
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MethodInfo m = tia.Type.GetMethod (tia.MethodName, flags);
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if (m != null)
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m.Invoke (null, parms);
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}
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}
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}
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[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
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@ -415,40 +478,6 @@ namespace GLib {
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return pspec.Handle;
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}
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static void AddProperties (GType gtype, System.Type t, bool register_instance_prop, ClassInitializer gobject_class_initializer)
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{
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if (register_instance_prop) {
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IntPtr declaring_class = gtype.GetClassPtr ();
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ParamSpec pspec = new ParamSpec ("gtk-sharp-managed-instance", "", "", GType.Pointer, ParamFlags.Writable | ParamFlags.ConstructOnly);
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g_object_class_install_property (declaring_class, gobject_class_initializer.Idx, pspec.Handle);
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gobject_class_initializer.Idx++;
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}
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foreach (PropertyInfo pinfo in t.GetProperties (BindingFlags.Instance | BindingFlags.Public | BindingFlags.DeclaredOnly)) {
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foreach (object attr in pinfo.GetCustomAttributes (typeof (PropertyAttribute), false)) {
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if(pinfo.GetIndexParameters().Length > 0)
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throw(new InvalidOperationException(String.Format("GLib.RegisterPropertyAttribute cannot be applied to property {0} of type {1} because the property expects one or more indexed parameters", pinfo.Name, t.FullName)));
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gobject_class_initializer.OverrideHandlers (false, true);
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PropertyAttribute property_attr = attr as PropertyAttribute;
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try {
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IntPtr param_spec = RegisterProperty (gtype, property_attr.Name, property_attr.Nickname, property_attr.Blurb, gobject_class_initializer.Idx, (GType) pinfo.PropertyType, pinfo.CanRead, pinfo.CanWrite);
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Type type = (Type)gtype;
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Dictionary<IntPtr, PropertyInfo> gtype_properties;
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if (!Properties.TryGetValue (type, out gtype_properties)) {
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gtype_properties = new Dictionary<IntPtr, PropertyInfo> ();
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Properties [type] = gtype_properties;
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}
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gtype_properties.Add (param_spec, pinfo);
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gobject_class_initializer.Idx++;
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} catch (ArgumentException) {
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throw new InvalidOperationException (String.Format ("GLib.PropertyAttribute cannot be applied to property {0} of type {1} because the return type of the property is not supported", pinfo.Name, t.FullName));
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}
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}
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}
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}
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[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
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delegate void GetPropertyDelegate (IntPtr GObject, uint property_id, ref GLib.Value value, IntPtr pspec);
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@ -518,35 +547,6 @@ namespace GLib {
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[DllImport ("libgobject-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern void g_type_add_interface_static (IntPtr gtype, IntPtr iface_type, ref GInterfaceInfo info);
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static void AddInterfaceProperties (GType gtype, Type t)
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{
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foreach (Type iface in t.GetInterfaces ()) {
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if (!iface.IsDefined (typeof (GInterfaceAttribute), true))
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continue;
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GInterfaceAttribute attr = iface.GetCustomAttributes (typeof (GInterfaceAttribute), false) [0] as GInterfaceAttribute;
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GInterfaceAdapter adapter = Activator.CreateInstance (attr.AdapterType, null) as GInterfaceAdapter;
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foreach (PropertyInfo p in iface.GetProperties ()) {
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PropertyAttribute[] attrs = p.GetCustomAttributes (typeof (PropertyAttribute), true) as PropertyAttribute [];
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if (attrs.Length == 0)
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continue;
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PropertyAttribute property_attr = attrs [0];
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PropertyInfo declared_prop = t.GetProperty (p.Name, BindingFlags.Public | BindingFlags.Instance);
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if (declared_prop == null)
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continue;
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IntPtr param_spec = FindInterfaceProperty (adapter.GType, property_attr.Name);
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Dictionary<IntPtr, PropertyInfo> props;
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if (!Properties.TryGetValue (t, out props)) {
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props = new Dictionary<IntPtr, PropertyInfo> ();
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Properties [t] = props;
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}
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props [param_spec] = declared_prop;
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}
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}
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}
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protected internal static GType RegisterGType (System.Type t)
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{
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//this is a deprecated way of tracking a property counter,
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