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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <vcl/window.hxx>
21 : #include <vcl/svapp.hxx>
22 : #include <unotools/accessiblestatesethelper.hxx>
23 : #include <com/sun/star/accessibility/AccessibleStateType.hpp>
24 : #include <com/sun/star/accessibility/AccessibleRole.hpp>
25 : #include <comphelper/servicehelper.hxx>
26 : #include <cppuhelper/supportsservice.hxx>
27 : #include "accpage.hxx"
28 :
29 : #include "access.hrc"
30 : #include <pagefrm.hxx>
31 :
32 : using namespace ::com::sun::star;
33 : using namespace ::com::sun::star::accessibility;
34 :
35 : using uno::Reference;
36 : using uno::RuntimeException;
37 : using uno::Sequence;
38 :
39 : const sal_Char sServiceName[] = "com.sun.star.text.AccessiblePageView";
40 : const sal_Char sImplementationName[] = "com.sun.star.comp.Writer.SwAccessiblePageView";
41 :
42 0 : bool SwAccessiblePage::IsSelected()
43 : {
44 0 : return GetMap()->IsPageSelected( static_cast < const SwPageFrm * >( GetFrm() ) );
45 : }
46 :
47 0 : void SwAccessiblePage::GetStates(
48 : ::utl::AccessibleStateSetHelper& rStateSet )
49 : {
50 0 : SwAccessibleContext::GetStates( rStateSet );
51 :
52 : // FOCUSABLE
53 0 : rStateSet.AddState( AccessibleStateType::FOCUSABLE );
54 :
55 : // FOCUSED
56 0 : if( IsSelected() )
57 : {
58 : OSL_ENSURE( bIsSelected, "bSelected out of sync" );
59 0 : ::rtl::Reference < SwAccessibleContext > xThis( this );
60 0 : GetMap()->SetCursorContext( xThis );
61 :
62 0 : vcl::Window *pWin = GetWindow();
63 0 : if( pWin && pWin->HasFocus() )
64 0 : rStateSet.AddState( AccessibleStateType::FOCUSED );
65 : }
66 0 : }
67 :
68 0 : void SwAccessiblePage::_InvalidateCursorPos()
69 : {
70 0 : bool bNewSelected = IsSelected();
71 : bool bOldSelected;
72 :
73 : {
74 0 : osl::MutexGuard aGuard( aMutex );
75 0 : bOldSelected = bIsSelected;
76 0 : bIsSelected = bNewSelected;
77 : }
78 :
79 0 : if( bNewSelected )
80 : {
81 : // remember that object as the one that has the caret. This is
82 : // necessary to notify that object if the cursor leaves it.
83 0 : ::rtl::Reference < SwAccessibleContext > xThis( this );
84 0 : GetMap()->SetCursorContext( xThis );
85 : }
86 :
87 0 : if( bOldSelected != bNewSelected )
88 : {
89 0 : vcl::Window *pWin = GetWindow();
90 0 : if( pWin && pWin->HasFocus() )
91 0 : FireStateChangedEvent( AccessibleStateType::FOCUSED, bNewSelected );
92 : }
93 0 : }
94 :
95 0 : void SwAccessiblePage::_InvalidateFocus()
96 : {
97 0 : vcl::Window *pWin = GetWindow();
98 0 : if( pWin )
99 : {
100 : bool bSelected;
101 :
102 : {
103 0 : osl::MutexGuard aGuard( aMutex );
104 0 : bSelected = bIsSelected;
105 : }
106 : OSL_ENSURE( bSelected, "focus object should be selected" );
107 :
108 : FireStateChangedEvent( AccessibleStateType::FOCUSED,
109 0 : pWin->HasFocus() && bSelected );
110 : }
111 0 : }
112 :
113 0 : SwAccessiblePage::SwAccessiblePage( SwAccessibleMap* pInitMap,
114 : const SwFrm* pFrame )
115 : : SwAccessibleContext( pInitMap, AccessibleRole::PANEL, pFrame )
116 0 : , bIsSelected( false )
117 : {
118 : OSL_ENSURE( pFrame != NULL, "need frame" );
119 : OSL_ENSURE( pInitMap != NULL, "need map" );
120 : OSL_ENSURE( pFrame->IsPageFrm(), "need page frame" );
121 :
122 0 : SolarMutexGuard aGuard;
123 :
124 : OUString sPage = OUString::number(
125 0 : static_cast<const SwPageFrm*>( GetFrm() )->GetPhyPageNum() );
126 0 : SetName( GetResource( STR_ACCESS_PAGE_NAME, &sPage ) );
127 0 : }
128 :
129 0 : SwAccessiblePage::~SwAccessiblePage()
130 : {
131 0 : }
132 :
133 0 : bool SwAccessiblePage::HasCursor()
134 : {
135 0 : osl::MutexGuard aGuard( aMutex );
136 0 : return bIsSelected;
137 : }
138 :
139 0 : OUString SwAccessiblePage::getImplementationName( )
140 : throw( RuntimeException, std::exception )
141 : {
142 0 : return OUString(sImplementationName);
143 : }
144 :
145 0 : sal_Bool SwAccessiblePage::supportsService( const OUString& rServiceName)
146 : throw( RuntimeException, std::exception )
147 : {
148 0 : return cppu::supportsService(this, rServiceName);
149 : }
150 :
151 0 : Sequence<OUString> SwAccessiblePage::getSupportedServiceNames( )
152 : throw( RuntimeException, std::exception )
153 : {
154 0 : Sequence< OUString > aRet(2);
155 0 : OUString* pArray = aRet.getArray();
156 0 : pArray[0] = OUString( sServiceName );
157 0 : pArray[1] = OUString( sAccessibleServiceName );
158 0 : return aRet;
159 : }
160 :
161 0 : Sequence< sal_Int8 > SAL_CALL SwAccessiblePage::getImplementationId()
162 : throw(RuntimeException, std::exception)
163 : {
164 0 : return css::uno::Sequence<sal_Int8>();
165 : }
166 :
167 0 : OUString SwAccessiblePage::getAccessibleDescription( )
168 : throw( RuntimeException, std::exception )
169 : {
170 0 : CHECK_FOR_DEFUNC( ::com::sun::star::accessibility::XAccessibleContext );
171 :
172 0 : OUString sArg( GetFormattedPageNumber() );
173 0 : return GetResource( STR_ACCESS_PAGE_DESC, &sArg );
174 270 : }
175 :
176 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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