moon/src/contentcontrol.cpp at master · tonst79/moon · GitHub

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
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * contentcontrol.cpp:
 *
 * Contact:
 *   Moonlight List (moonlight-list@lists.ximian.com)
 *
 * Copyright 2007-2009 Novell, Inc. (http://www.novell.com)
 *
 * See the LICENSE file included with the distribution for details.
 *
 */

#include <config.h>

#include "application.h"
#include "contentcontrol.h"
#include "managedtypeinfo.h"

namespace Moonlight {

ContentControl::ContentControl ()
{
	SetContentSetsParent (true);
	SetObjectType (Type::CONTENTCONTROL);

	ManagedTypeInfo type_info (GetObjectType ());
	SetDefaultStyleKey (&type_info);
}

ContentControl::~ContentControl ()
{
}

UIElement *
ContentControl::GetDefaultTemplate ()
{
	Value *content = GetValue (ContentControl::ContentProperty);
	if (!content || content->GetIsNull ())
		return NULL;

	if (content->Is (GetDeployment (), Type::UIELEMENT))
		return content->AsUIElement ();

	return Control::GetDefaultTemplate ();
}

void
ContentControl::OnPropertyChanged (PropertyChangedEventArgs *args, MoonError *error)
{
	if (args->GetProperty ()->GetOwnerType () != Type::CONTENTCONTROL) {
		Control::OnPropertyChanged (args, error);
		return;
	}

	if (args->GetId () == ContentControl::ContentProperty) {
		if (args->GetOldValue() && args->GetOldValue()->Is(GetDeployment (), Type::FRAMEWORKELEMENT)) {
			if (GetContentSetsParent ()) {
				args->GetOldValue()->AsFrameworkElement()->SetLogicalParent (NULL, error);
				if (error->number)
					return;
			}
		}
		if (args->GetNewValue() && args->GetNewValue()->Is(GetDeployment (), Type::FRAMEWORKELEMENT)) {
			if (GetContentSetsParent ()) {
				args->GetNewValue()->AsFrameworkElement()->SetLogicalParent (this, error);
				if (error->number)
					return;
			}
		}

		if (HasHandlers (ContentControl::ContentControlChangedEvent))
			Emit (ContentControl::ContentControlChangedEvent, new ContentControlChangedEventArgs (args->GetOldValue(), args->GetNewValue()));
		InvalidateMeasure ();
	}

	NotifyListenersOfPropertyChange (args, error);
}

ContentControlChangedEventArgs::ContentControlChangedEventArgs (Value *old_content, Value *new_content)
{
	SetObjectType (Type::CONTENTCONTROLCHANGEDEVENTARGS);

	this->old_content = old_content;
	this->new_content = new_content;
}

Value *
ContentControlChangedEventArgs::GetOldContent ()
{
	return old_content;
}

Value*
ContentControlChangedEventArgs::GetNewContent ()
{
	return new_content;
}

};