xref: /aoo42x/main/vcl/unx/gtk/a11y/atkhypertext.cxx (revision 9f62ea84)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_vcl.hxx"
26 
27 #include "atkwrapper.hxx"
28 
29 #include <com/sun/star/accessibility/XAccessibleHypertext.hpp>
30 
31 #include <stdio.h>
32 
33 using namespace ::com::sun::star;
34 
35 
36 // ---------------------- AtkHyperlink ----------------------
37 
38 typedef struct {
39     AtkHyperlink atk_hyper_link;
40 
41     uno::Reference< accessibility::XAccessibleHyperlink > xLink;
42 } HyperLink;
43 
44 static uno::Reference< accessibility::XAccessibleHyperlink >
getHyperlink(AtkHyperlink * pHyperlink)45     getHyperlink( AtkHyperlink *pHyperlink )
46 {
47     HyperLink *pLink = (HyperLink *) pHyperlink;
48     return pLink->xLink;
49 }
50 
51 static GObjectClass *hyper_parent_class = NULL;
52 
53 extern "C" {
54 
55 static void
hyper_link_finalize(GObject * obj)56 hyper_link_finalize (GObject *obj)
57 {
58     HyperLink *hl = (HyperLink *) obj;
59     hl->xLink.clear();
60     hyper_parent_class->finalize (obj);
61 }
62 
63 static gchar *
hyper_link_get_uri(AtkHyperlink * pLink,gint i)64 hyper_link_get_uri( AtkHyperlink *pLink,
65                     gint          i )
66 {
67     try {
68         uno::Any aAny = getHyperlink( pLink )->getAccessibleActionObject( i );
69         rtl::OUString aUri = aAny.get< rtl::OUString > ();
70         return OUStringToGChar(aUri);
71     }
72     catch(const uno::Exception& e) {
73         g_warning( "Exception in hyper_link_get_uri" );
74     }
75     return NULL;
76 }
77 
78 static AtkObject *
hyper_link_get_object(AtkHyperlink * pLink,gint i)79 hyper_link_get_object( AtkHyperlink *pLink,
80                        gint          i)
81 {
82     try {
83         uno::Any aAny = getHyperlink( pLink )->getAccessibleActionObject( i );
84         uno::Reference< accessibility::XAccessible > xObj( aAny, uno::UNO_QUERY_THROW );
85         return atk_object_wrapper_ref( xObj );
86     }
87     catch(const uno::Exception& e) {
88         g_warning( "Exception in hyper_link_get_object" );
89     }
90     return NULL;
91 }
92 static gint
hyper_link_get_end_index(AtkHyperlink * pLink)93 hyper_link_get_end_index( AtkHyperlink *pLink )
94 {
95     try {
96         return getHyperlink( pLink )->getEndIndex();
97     }
98     catch(const uno::Exception& e) {
99     }
100     return -1;
101 }
102 static gint
hyper_link_get_start_index(AtkHyperlink * pLink)103 hyper_link_get_start_index( AtkHyperlink *pLink )
104 {
105     try {
106         return getHyperlink( pLink )->getStartIndex();
107     }
108     catch(const uno::Exception& e) {
109     }
110     return -1;
111 }
112 static gboolean
hyper_link_is_valid(AtkHyperlink * pLink)113 hyper_link_is_valid( AtkHyperlink *pLink )
114 {
115     try {
116         return getHyperlink( pLink )->isValid();
117     }
118     catch(const uno::Exception& e) {
119     }
120     return FALSE;
121 }
122 static gint
hyper_link_get_n_anchors(AtkHyperlink * pLink)123 hyper_link_get_n_anchors( AtkHyperlink *pLink )
124 {
125     try {
126         return getHyperlink( pLink )->getAccessibleActionCount();
127     }
128     catch(const uno::Exception& e) {
129     }
130     return 0;
131 }
132 
133 static guint
hyper_link_link_state(AtkHyperlink *)134 hyper_link_link_state( AtkHyperlink * )
135 {
136     g_warning( "FIXME: hyper_link_link_state unimplemented" );
137     return 0;
138 }
139 static gboolean
hyper_link_is_selected_link(AtkHyperlink *)140 hyper_link_is_selected_link( AtkHyperlink * )
141 {
142     g_warning( "FIXME: hyper_link_is_selected_link unimplemented" );
143     return FALSE;
144 }
145 
146 static void
hyper_link_class_init(AtkHyperlinkClass * klass)147 hyper_link_class_init (AtkHyperlinkClass *klass)
148 {
149     GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
150 
151     gobject_class->finalize = hyper_link_finalize;
152 
153     hyper_parent_class = (GObjectClass *)g_type_class_peek_parent (klass);
154 
155     klass->get_uri = hyper_link_get_uri;
156     klass->get_object = hyper_link_get_object;
157     klass->get_end_index = hyper_link_get_end_index;
158     klass->get_start_index = hyper_link_get_start_index;
159     klass->is_valid = hyper_link_is_valid;
160     klass->get_n_anchors = hyper_link_get_n_anchors;
161     klass->link_state = hyper_link_link_state;
162     klass->is_selected_link = hyper_link_is_selected_link;
163 }
164 
165 static GType
hyper_link_get_type(void)166 hyper_link_get_type (void)
167 {
168     static GType type = 0;
169 
170     if (!type) {
171         static const GTypeInfo tinfo = {
172             sizeof (AtkHyperlinkClass),
173             NULL,               /* base init */
174             NULL,               /* base finalize */
175             (GClassInitFunc) hyper_link_class_init,
176             NULL,               /* class finalize */
177             NULL,               /* class data */
178             sizeof (HyperLink), /* instance size */
179             0,                  /* nb preallocs */
180             NULL,               /* instance init */
181             NULL                /* value table */
182         };
183 
184         static const GInterfaceInfo atk_action_info = {
185             (GInterfaceInitFunc) actionIfaceInit,
186             (GInterfaceFinalizeFunc) NULL,
187             NULL
188         };
189 
190         type = g_type_register_static (ATK_TYPE_HYPERLINK,
191                                        "OOoAtkObjHyperLink", &tinfo,
192                                        (GTypeFlags)0);
193         g_type_add_interface_static (type, ATK_TYPE_ACTION,
194                                      &atk_action_info);
195     }
196 
197     return type;
198 }
199 
200 // ---------------------- AtkHyperText ----------------------
201 
202 static accessibility::XAccessibleHypertext*
getHypertext(AtkHypertext * pHypertext)203     getHypertext( AtkHypertext *pHypertext ) throw (uno::RuntimeException)
204 {
205     AtkObjectWrapper *pWrap = ATK_OBJECT_WRAPPER( pHypertext );
206     if( pWrap )
207     {
208         if( !pWrap->mpHypertext && pWrap->mpContext )
209         {
210             uno::Any any = pWrap->mpContext->queryInterface( accessibility::XAccessibleHypertext::static_type(NULL) );
211             pWrap->mpHypertext = reinterpret_cast< accessibility::XAccessibleHypertext * > (any.pReserved);
212             pWrap->mpHypertext->acquire();
213         }
214 
215         return pWrap->mpHypertext;
216     }
217 
218     return NULL;
219 }
220 
221 
222 static AtkHyperlink *
hypertext_get_link(AtkHypertext * hypertext,gint link_index)223 hypertext_get_link( AtkHypertext *hypertext,
224                     gint          link_index)
225 {
226     try {
227         accessibility::XAccessibleHypertext* pHypertext = getHypertext( hypertext );
228         if( pHypertext )
229         {
230             HyperLink *pLink = (HyperLink *)g_object_new( hyper_link_get_type(), NULL );
231             pLink->xLink = pHypertext->getHyperLink( link_index );
232             if( !pLink->xLink.is() ) {
233                 g_object_unref( G_OBJECT( pLink ) );
234                 pLink = NULL;
235             }
236             return ATK_HYPERLINK( pLink );
237         }
238     }
239     catch(const uno::Exception& e) {
240         g_warning( "Exception in getHyperLink()" );
241     }
242 
243     return NULL;
244 }
245 
246 static gint
hypertext_get_n_links(AtkHypertext * hypertext)247 hypertext_get_n_links( AtkHypertext *hypertext )
248 {
249     try {
250         accessibility::XAccessibleHypertext* pHypertext = getHypertext( hypertext );
251         if( pHypertext )
252             return pHypertext->getHyperLinkCount();
253     }
254     catch(const uno::Exception& e) {
255         g_warning( "Exception in getHyperLinkCount()" );
256     }
257 
258     return 0;
259 }
260 
261 static gint
hypertext_get_link_index(AtkHypertext * hypertext,gint index)262 hypertext_get_link_index( AtkHypertext *hypertext,
263                           gint          index)
264 {
265     try {
266         accessibility::XAccessibleHypertext* pHypertext = getHypertext( hypertext );
267         if( pHypertext )
268             return pHypertext->getHyperLinkIndex( index );
269     }
270     catch(const uno::Exception& e) {
271         g_warning( "Exception in getHyperLinkIndex()" );
272     }
273 
274     return 0;
275 }
276 
277 } // extern "C"
278 
279 void
hypertextIfaceInit(AtkHypertextIface * iface)280 hypertextIfaceInit (AtkHypertextIface *iface)
281 {
282   g_return_if_fail (iface != NULL);
283 
284   iface->get_link = hypertext_get_link;
285   iface->get_n_links = hypertext_get_n_links;
286   iface->get_link_index = hypertext_get_link_index;
287 }
288