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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SVX_SHAPEPROPERTYNOTIFIER_HXX
#define INCLUDED_SVX_SHAPEPROPERTYNOTIFIER_HXX
#include <svx/svxdllapi.h>
#include <svx/shapeproperty.hxx>
#include <rtl/ustring.hxx>
#include <memory>
namespace com::sun::star::beans { class XPropertyChangeListener; }
namespace com::sun::star::uno { class Any; }
namespace com::sun::star::uno { template <typename > class Reference; }
namespace osl { class Mutex; }
namespace cppu
{
class OWeakObject;
}
namespace svx
{
//= IPropertyValueProvider
/** a provider for a property value
*/
class SVX_DLLPUBLIC IPropertyValueProvider
{
public:
/** returns the name of the property which this provider is responsible for
*/
virtual OUString getPropertyName() const = 0;
/** returns the current value of the property which the provider is responsible for
*/
virtual void getCurrentValue( css::uno::Any& _out_rValue ) const = 0;
virtual ~IPropertyValueProvider();
};
//= PropertyValueProvider
/** default implementation of an IPropertyValueProvider
This default implementation queries the object which it is constructed with for the XPropertySet interface,
and calls the getPropertyValue method.
*/
class SVX_DLLPUBLIC PropertyValueProvider :public IPropertyValueProvider
{
public:
PropertyValueProvider( ::cppu::OWeakObject& _rContext, const sal_Char* _pAsciiPropertyName )
:m_rContext( _rContext )
,m_sPropertyName( OUString::createFromAscii( _pAsciiPropertyName ) )
{
}
virtual OUString getPropertyName() const override;
virtual void getCurrentValue( css::uno::Any& _out_rValue ) const override;
protected:
::cppu::OWeakObject& getContext() const { return m_rContext; }
PropertyValueProvider(const PropertyValueProvider&) = delete;
PropertyValueProvider& operator=(const PropertyValueProvider&) = delete;
private:
::cppu::OWeakObject& m_rContext;
const OUString m_sPropertyName;
};
//= PropertyChangeNotifier
struct PropertyChangeNotifier_Data;
/** helper class for notifying XPropertyChangeListeners
The class is intended to be held as member of the class which does the property change broadcasting.
*/
class SVX_DLLPUBLIC PropertyChangeNotifier
{
public:
/** constructs a notifier instance
@param _rOwner
the owner instance of the notifier. Will be used as css.lang.EventObject.Source when
notifying events.
*/
PropertyChangeNotifier( ::cppu::OWeakObject& _rOwner, ::osl::Mutex& _rMutex );
~PropertyChangeNotifier();
// listener maintenance
void addPropertyChangeListener( const OUString& _rPropertyName, const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxListener );
void removePropertyChangeListener( const OUString& _rPropertyName, const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxListener );
/** registers an IPropertyValueProvider
*/
void registerProvider( const ShapeProperty _eProperty, const std::shared_ptr<IPropertyValueProvider>& _rProvider );
/** notifies changes in the given property to all registered listeners
If no property value provider for the given property ID is registered, this is worth an assertion in a
non-product build, and otherwise ignored.
*/
void notifyPropertyChange( const ShapeProperty _eProperty ) const;
/** is called to dispose the instance
*/
void disposing();
private:
PropertyChangeNotifier(const PropertyChangeNotifier&) = delete;
PropertyChangeNotifier& operator=(const PropertyChangeNotifier&) = delete;
std::unique_ptr< PropertyChangeNotifier_Data > m_xData;
};
}
#endif // INCLUDED_SVX_SHAPEPROPERTYNOTIFIER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
