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 <sal/config.h>
21
22 #include <string_view>
23
24 #include "atkwrapper.hxx"
25
26 #include <com/sun/star/accessibility/XAccessibleImage.hpp>
27
28 using namespace ::com::sun::star;
29
30 // FIXME
31 static const gchar *
getAsConst(std::u16string_view rString)32 getAsConst( std::u16string_view rString )
33 {
34 static const int nMax = 10;
35 static OString aUgly[nMax];
36 static int nIdx = 0;
37 nIdx = (nIdx + 1) % nMax;
38 aUgly[nIdx] = OUStringToOString( rString, RTL_TEXTENCODING_UTF8 );
39 return aUgly[ nIdx ].getStr();
40 }
41
42 /// @throws uno::RuntimeException
43 static css::uno::Reference<css::accessibility::XAccessibleImage>
getImage(AtkImage * pImage)44 getImage( AtkImage *pImage )
45 {
46 AtkObjectWrapper *pWrap = ATK_OBJECT_WRAPPER( pImage );
47 if( pWrap )
48 {
49 if( !pWrap->mpImage.is() )
50 {
51 pWrap->mpImage.set(pWrap->mpContext, css::uno::UNO_QUERY);
52 }
53
54 return pWrap->mpImage;
55 }
56
57 return css::uno::Reference<css::accessibility::XAccessibleImage>();
58 }
59
60 extern "C" {
61
62 static const gchar *
image_get_image_description(AtkImage * image)63 image_get_image_description( AtkImage *image )
64 {
65 try {
66 css::uno::Reference<css::accessibility::XAccessibleImage> pImage
67 = getImage( image );
68 if( pImage.is() )
69 return getAsConst( pImage->getAccessibleImageDescription() );
70 }
71 catch(const uno::Exception&) {
72 g_warning( "Exception in getAccessibleImageDescription()" );
73 }
74
75 return nullptr;
76 }
77
78 static void
image_get_image_position(AtkImage * image,gint * x,gint * y,AtkCoordType coord_type)79 image_get_image_position( AtkImage *image,
80 gint *x,
81 gint *y,
82 AtkCoordType coord_type )
83 {
84 *x = *y = -1;
85 if( ATK_IS_COMPONENT( image ) )
86 {
87 SAL_WNODEPRECATED_DECLARATIONS_PUSH
88 atk_component_get_position( ATK_COMPONENT( image ), x, y, coord_type );
89 SAL_WNODEPRECATED_DECLARATIONS_POP
90 }
91 else
92 g_warning( "FIXME: no image position information" );
93 }
94
95 static void
image_get_image_size(AtkImage * image,gint * width,gint * height)96 image_get_image_size( AtkImage *image,
97 gint *width,
98 gint *height )
99 {
100 *width = *height = -1;
101 try {
102 css::uno::Reference<css::accessibility::XAccessibleImage> pImage
103 = getImage( image );
104 if( pImage.is() )
105 {
106 *width = pImage->getAccessibleImageWidth();
107 *height = pImage->getAccessibleImageHeight();
108 }
109 }
110 catch(const uno::Exception&) {
111 g_warning( "Exception in getAccessibleImageHeight() or Width" );
112 }
113 }
114
115 static gboolean
image_set_image_description(AtkImage *,const gchar *)116 image_set_image_description( AtkImage *, const gchar * )
117 {
118 g_warning ("FIXME: no set image description");
119 return FALSE;
120 }
121
122 } // extern "C"
123
124 void
imageIfaceInit(AtkImageIface * iface)125 imageIfaceInit (AtkImageIface *iface)
126 {
127 g_return_if_fail (iface != nullptr);
128
129 iface->set_image_description = image_set_image_description;
130 iface->get_image_description = image_get_image_description;
131 iface->get_image_position = image_get_image_position;
132 iface->get_image_size = image_get_image_size;
133 }
134
135 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
136