1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
using System;
using System.Collections;
namespace Stetic
{
public class Component: MarshalByRefObject, IObjectFrontend
{
protected string name;
protected ComponentType type;
protected string typeName;
protected object backend;
protected Application app;
public event EventHandler Changed;
internal Component (Application app, object backend, string name, ComponentType type)
{
this.app = app;
this.backend = backend;
this.name = name;
this.type = type;
}
public virtual void Dispose ()
{
System.Runtime.Remoting.RemotingServices.Disconnect (this);
if (app != null)
app.DisposeComponent (this);
}
public SignalCollection GetSignals ()
{
if (backend is ObjectWrapper)
return ((ObjectWrapper)backend).Signals;
else
return new SignalCollection ();
}
public void RemoveSignal (Signal signal)
{
if (backend is ObjectWrapper && app != null)
app.Backend.RemoveWidgetSignal ((ObjectWrapper) backend, signal);
}
public virtual Component[] GetChildren ()
{
return new Component [0];
}
void IObjectFrontend.NotifyChanged ()
{
OnChanged ();
}
protected virtual void OnChanged ()
{
if (Changed != null)
Changed (this, EventArgs.Empty);
}
public virtual string Name {
get { return name; }
set { name = value; }
}
public virtual ComponentType Type {
get {
return type;
}
}
public virtual bool GeneratePublic {
get { return true; }
set {}
}
internal object Backend {
get { return backend; }
}
internal static MarshalByRefObject GetSafeReference (MarshalByRefObject ob)
{
// Make sure we don't leak the wrapper type to the frontend process
if (ob is Wrapper.Window) {
System.Runtime.Remoting.RemotingServices.Marshal (ob, null, typeof(Wrapper.Window));
} else if (ob is Wrapper.Container) {
System.Runtime.Remoting.RemotingServices.Marshal (ob, null, typeof(Wrapper.Container));
} else if (ob is Wrapper.Widget) {
System.Runtime.Remoting.RemotingServices.Marshal (ob, null, typeof(Wrapper.Widget));
} else if (ob is ObjectWrapper) {
System.Runtime.Remoting.RemotingServices.Marshal (ob, null, typeof(ObjectWrapper));
}
return ob;
}
public override string ToString ()
{
return base.ToString() + " " + backend;
}
public ObjectBindInfo[] GetObjectBindInfo ()
{
ObjectWrapper ww = backend as ObjectWrapper;
if (ww != null)
return app.Backend.GetBoundComponents (ww);
else
return new ObjectBindInfo [0];
}
}
}
|
