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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 "accpage.hxx"
27 :
28 : #include "access.hrc"
29 : #include <pagefrm.hxx>
30 :
31 : using namespace ::com::sun::star;
32 : using namespace ::com::sun::star::accessibility;
33 :
34 : using uno::Reference;
35 : using uno::RuntimeException;
36 : using uno::Sequence;
37 : using ::rtl::OUString;
38 :
39 :
40 : const sal_Char sServiceName[] = "com.sun.star.text.AccessiblePageView";
41 : const sal_Char sImplementationName[] = "com.sun.star.comp.Writer.SwAccessiblePageView";
42 :
43 0 : sal_Bool SwAccessiblePage::IsSelected()
44 : {
45 0 : return GetMap()->IsPageSelected( static_cast < const SwPageFrm * >( GetFrm() ) );
46 : }
47 :
48 0 : void SwAccessiblePage::GetStates(
49 : ::utl::AccessibleStateSetHelper& rStateSet )
50 : {
51 0 : SwAccessibleContext::GetStates( rStateSet );
52 :
53 : // FOCUSABLE
54 0 : rStateSet.AddState( AccessibleStateType::FOCUSABLE );
55 :
56 : // FOCUSED
57 0 : if( IsSelected() )
58 : {
59 : OSL_ENSURE( bIsSelected, "bSelected out of sync" );
60 0 : ::rtl::Reference < SwAccessibleContext > xThis( this );
61 0 : GetMap()->SetCursorContext( xThis );
62 :
63 0 : Window *pWin = GetWindow();
64 0 : if( pWin && pWin->HasFocus() )
65 0 : rStateSet.AddState( AccessibleStateType::FOCUSED );
66 : }
67 0 : }
68 :
69 0 : void SwAccessiblePage::_InvalidateCursorPos()
70 : {
71 0 : sal_Bool bNewSelected = IsSelected();
72 : sal_Bool bOldSelected;
73 :
74 : {
75 0 : osl::MutexGuard aGuard( aMutex );
76 0 : bOldSelected = bIsSelected;
77 0 : bIsSelected = bNewSelected;
78 : }
79 :
80 0 : if( bNewSelected )
81 : {
82 : // remember that object as the one that has the caret. This is
83 : // neccessary to notify that object if the cursor leaves it.
84 0 : ::rtl::Reference < SwAccessibleContext > xThis( this );
85 0 : GetMap()->SetCursorContext( xThis );
86 : }
87 :
88 0 : if( bOldSelected != bNewSelected )
89 : {
90 0 : Window *pWin = GetWindow();
91 0 : if( pWin && pWin->HasFocus() )
92 0 : FireStateChangedEvent( AccessibleStateType::FOCUSED, bNewSelected );
93 : }
94 0 : }
95 :
96 0 : void SwAccessiblePage::_InvalidateFocus()
97 : {
98 0 : Window *pWin = GetWindow();
99 0 : if( pWin )
100 : {
101 : sal_Bool bSelected;
102 :
103 : {
104 0 : osl::MutexGuard aGuard( aMutex );
105 0 : bSelected = bIsSelected;
106 : }
107 : OSL_ENSURE( bSelected, "focus object should be selected" );
108 :
109 : FireStateChangedEvent( AccessibleStateType::FOCUSED,
110 0 : pWin->HasFocus() && bSelected );
111 : }
112 0 : }
113 :
114 0 : SwAccessiblePage::SwAccessiblePage( SwAccessibleMap* pInitMap,
115 : const SwFrm* pFrame )
116 : : SwAccessibleContext( pInitMap, AccessibleRole::PANEL, pFrame )
117 0 : , bIsSelected( sal_False )
118 : {
119 : OSL_ENSURE( pFrame != NULL, "need frame" );
120 : OSL_ENSURE( pInitMap != NULL, "need map" );
121 : OSL_ENSURE( pFrame->IsPageFrm(), "need page frame" );
122 :
123 0 : SolarMutexGuard aGuard;
124 :
125 : OUString sPage = OUString::valueOf(
126 : static_cast<sal_Int32>(
127 0 : static_cast<const SwPageFrm*>( GetFrm() )->GetPhyPageNum() ) );
128 0 : SetName( GetResource( STR_ACCESS_PAGE_NAME, &sPage ) );
129 0 : }
130 :
131 0 : SwAccessiblePage::~SwAccessiblePage()
132 : {
133 0 : }
134 :
135 0 : sal_Bool SwAccessiblePage::HasCursor()
136 : {
137 0 : osl::MutexGuard aGuard( aMutex );
138 0 : return bIsSelected;
139 : }
140 :
141 0 : OUString SwAccessiblePage::getImplementationName( )
142 : throw( RuntimeException )
143 : {
144 0 : return OUString(RTL_CONSTASCII_USTRINGPARAM(sImplementationName));
145 : }
146 :
147 0 : sal_Bool SwAccessiblePage::supportsService( const OUString& rServiceName)
148 : throw( RuntimeException )
149 : {
150 0 : return rServiceName.equalsAsciiL( sServiceName, sizeof(sServiceName)-1 ) ||
151 : rServiceName.equalsAsciiL( sAccessibleServiceName,
152 0 : sizeof(sAccessibleServiceName)-1 );
153 : }
154 :
155 0 : Sequence<OUString> SwAccessiblePage::getSupportedServiceNames( )
156 : throw( RuntimeException )
157 : {
158 0 : Sequence< OUString > aRet(2);
159 0 : OUString* pArray = aRet.getArray();
160 0 : pArray[0] = OUString( RTL_CONSTASCII_USTRINGPARAM(sServiceName) );
161 0 : pArray[1] = OUString( RTL_CONSTASCII_USTRINGPARAM(sAccessibleServiceName) );
162 0 : return aRet;
163 : }
164 :
165 : namespace
166 : {
167 : class theSwAccessiblePageImplementationId : public rtl::Static< UnoTunnelIdInit, theSwAccessiblePageImplementationId > {};
168 : }
169 :
170 0 : Sequence< sal_Int8 > SAL_CALL SwAccessiblePage::getImplementationId()
171 : throw(RuntimeException)
172 : {
173 0 : return theSwAccessiblePageImplementationId::get().getSeq();
174 : }
175 :
176 0 : OUString SwAccessiblePage::getAccessibleDescription( )
177 : throw( RuntimeException )
178 : {
179 0 : CHECK_FOR_DEFUNC( ::com::sun::star::accessibility::XAccessibleContext );
180 :
181 0 : OUString sArg( GetFormattedPageNumber() );
182 0 : return GetResource( STR_ACCESS_PAGE_DESC, &sArg );
183 : }
184 :
185 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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