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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/* -*- 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 .
*/
#include <com/sun/star/accessibility/XAccessible.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp>
#include "AccFrameEventListener.hxx"
#include "AccObjectManagerAgent.hxx"
#include "unomsaaevent.hxx"
using namespace com::sun::star::uno;
using namespace com::sun::star::accessibility;
#include <vcl/window.hxx>
#include <toolkit/awt/Vclxwindow.hxx>
#ifndef _SV_SYSDATA_HXX
#if defined( WIN ) || defined( WNT ) || defined( OS2 )
typedef sal_Int32 HWND;
typedef sal_Int32 HMENU;
typedef sal_Int32 HDC;
typedef void *PVOID;
typedef PVOID HANDLE;
typedef HANDLE HFONT;
#endif
#include <vcl/sysdata.hxx>
#endif
AccFrameEventListener::AccFrameEventListener(com::sun::star::accessibility::XAccessible* pAcc, AccObjectManagerAgent* Agent)
:AccEventListener(pAcc, Agent)
{
}
AccFrameEventListener::~AccFrameEventListener()
{
}
/**
* Uno's event notifier when event is captured
* @param AccessibleEventObject the event object which contains information about event
*/
void AccFrameEventListener::notifyEvent( const ::com::sun::star::accessibility::AccessibleEventObject& aEvent )
throw (::com::sun::star::uno::RuntimeException)
{
switch (aEvent.EventId)
{
case AccessibleEventId::CHILD:
handleChildChangedEvent(aEvent.OldValue, aEvent.NewValue);
break;
case AccessibleEventId::VISIBLE_DATA_CHANGED:
handleVisibleDataChangedEvent();
break;
case AccessibleEventId::BOUNDRECT_CHANGED:
handleBoundrectChangedEvent();
break;
default:
AccEventListener::notifyEvent(aEvent);
break;
}
}
/**
* handle the VISIBLE_DATA_CHANGED event
*/
void AccFrameEventListener::handleVisibleDataChangedEvent()
{
AccEventListener::handleVisibleDataChangedEvent();
}
/**
* handle the BOUNDRECT_CHANGED event
*/
void AccFrameEventListener::handleBoundrectChangedEvent()
{
AccEventListener::handleBoundrectChangedEvent();
}
/**
* handle the CHILD event
* @param oldValue the child to be deleted
* @param newValue the child to be added
*/
void AccFrameEventListener::handleChildChangedEvent(Any oldValue, Any newValue)
{
Reference< XAccessible > xChild;
if( newValue >>= xChild)
{
//create a new child
if(xChild.is())
{
XAccessible* pAcc = xChild.get();
VCLXWindow* pvclwindow = (VCLXWindow*)pAccessible;
Window* window = pvclwindow->GetWindow();
const SystemEnvData* systemdata=window->GetSystemData();
//add this child
pAgent->InsertAccObj( pAcc,pAccessible,(HWND)systemdata->hWnd);
//add all oldValue's existing children
pAgent->InsertChildrenAccObj(pAcc);
pAgent->NotifyAccEvent(UM_EVENT_CHILD_ADDED, pAcc);
}
else
{}
}
else if (oldValue >>= xChild)
{
//delete a existing child
if(xChild.is())
{
XAccessible* pAcc = xChild.get();
pAgent->NotifyAccEvent(UM_EVENT_CHILD_REMOVED, pAcc);
//delete all oldValue's existing children
pAgent->DeleteChildrenAccObj( pAcc );
//delete this child
pAgent->DeleteAccObj( pAcc );
}
else
{}
}
}
/**
* set the new state and fire the MSAA event
* @param state new state id
* @param enable true if state is set, false if state is unset
*/
void AccFrameEventListener::setComponentState(short state, bool enable )
{
// only the following state can be fired state event.
switch (state)
{
case AccessibleStateType::ICONIFIED:
// no msaa state
break;
case AccessibleStateType::VISIBLE:
// UNO !VISIBLE == MSAA INVISIBLE
if( enable )
pAgent->IncreaseState( pAccessible, AccessibleStateType::VISIBLE );
else
pAgent->DecreaseState( pAccessible, AccessibleStateType::VISIBLE );
break;
case AccessibleStateType::ACTIVE:
// Only frames should be active
// no msaa state mapping
break;
default:
break;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
