LCOV - code coverage report
Current view: top level - vcl/unx/gtk/a11y - atkwindow.cxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 4 120 3.3 %
Date: 2015-06-13 12:38:46 Functions: 1 11 9.1 %
Legend: Lines: hit not hit

          Line data    Source code
       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 <unx/gtk/gtkframe.hxx>
      21             : #include <vcl/svapp.hxx>
      22             : #include <vcl/window.hxx>
      23             : #include "vcl/popupmenuwindow.hxx"
      24             : 
      25             : #include "atkwindow.hxx"
      26             : #include "atkwrapper.hxx"
      27             : #include "atkregistry.hxx"
      28             : 
      29             : #include <com/sun/star/accessibility/AccessibleRole.hpp>
      30             : 
      31             : using namespace ::com::sun::star::accessibility;
      32             : using namespace ::com::sun::star::uno;
      33             : 
      34             : extern "C" {
      35             : 
      36             : static void (* window_real_initialize) (AtkObject *obj, gpointer data) = NULL;
      37             : static void (* window_real_finalize) (GObject *obj) = NULL;
      38             : 
      39             : static void
      40           0 : init_from_window( AtkObject *accessible, vcl::Window *pWindow )
      41             : {
      42             :     static AtkRole aDefaultRole = ATK_ROLE_INVALID;
      43             : 
      44             :     // Special role for sub-menu and combo-box popups that are exposed directly
      45             :     // by their parents already.
      46           0 :     if( aDefaultRole == ATK_ROLE_INVALID )
      47             :     {
      48             :         SAL_WNODEPRECATED_DECLARATIONS_PUSH
      49           0 :         aDefaultRole = atk_role_register( "redundant object" );
      50             :         SAL_WNODEPRECATED_DECLARATIONS_POP
      51             :     }
      52             : 
      53           0 :     AtkRole role = aDefaultRole;
      54             : 
      55             :     // Determine the appropriate role for the GtkWindow
      56           0 :     switch( pWindow->GetAccessibleRole() )
      57             :     {
      58             :         case AccessibleRole::ALERT:
      59           0 :             role = ATK_ROLE_ALERT;
      60           0 :             break;
      61             : 
      62             :         case AccessibleRole::DIALOG:
      63           0 :             role = ATK_ROLE_DIALOG;
      64           0 :             break;
      65             : 
      66             :         case AccessibleRole::FRAME:
      67           0 :             role = ATK_ROLE_FRAME;
      68           0 :             break;
      69             : 
      70             :         /* Ignore window objects for sub-menus, combo- and list boxes,
      71             :          *  which are exposed as children of their parents.
      72             :          */
      73             :         case AccessibleRole::WINDOW:
      74             :         {
      75           0 :             sal_uInt16 type = WINDOW_WINDOW;
      76           0 :             bool parentIsMenuFloatingWindow = false;
      77             : 
      78           0 :             vcl::Window *pParent = pWindow->GetParent();
      79           0 :             if( pParent ) {
      80           0 :                 type = pParent->GetType();
      81           0 :                 parentIsMenuFloatingWindow = pParent->IsMenuFloatingWindow();
      82             :             }
      83             : 
      84           0 :             if( (WINDOW_LISTBOX != type) && (WINDOW_COMBOBOX != type) &&
      85           0 :                 (WINDOW_MENUBARWINDOW != type) && ! parentIsMenuFloatingWindow )
      86             :             {
      87           0 :                 role = ATK_ROLE_WINDOW;
      88             :             }
      89             :         }
      90           0 :         break;
      91             : 
      92             :         default:
      93             :         {
      94           0 :             vcl::Window *pChild = pWindow->GetWindow(GetWindowType::FirstChild);
      95           0 :             if( pChild )
      96             :             {
      97           0 :                 if( WINDOW_HELPTEXTWINDOW == pChild->GetType() )
      98             :                 {
      99           0 :                     role = ATK_ROLE_TOOL_TIP;
     100           0 :                     pChild->SetAccessibleRole( AccessibleRole::LABEL );
     101           0 :                     accessible->name = g_strdup( OUStringToOString( pChild->GetText(), RTL_TEXTENCODING_UTF8 ).getStr() );
     102             :                 }
     103           0 :                 else if ( pWindow->GetType() == WINDOW_BORDERWINDOW && pChild->GetType() == WINDOW_FLOATINGWINDOW )
     104             :                 {
     105           0 :                     PopupMenuFloatingWindow* p = dynamic_cast<PopupMenuFloatingWindow*>(pChild);
     106           0 :                     if (p && p->IsPopupMenu() && p->GetMenuStackLevel() == 0)
     107             :                     {
     108             :                         // This is a top-level menu popup.  Register it.
     109           0 :                         role = ATK_ROLE_POPUP_MENU;
     110           0 :                         pChild->SetAccessibleRole( AccessibleRole::POPUP_MENU );
     111           0 :                         accessible->name = g_strdup( OUStringToOString( pChild->GetText(), RTL_TEXTENCODING_UTF8 ).getStr() );
     112             :                     }
     113             :                 }
     114             :             }
     115           0 :             break;
     116             :         }
     117             :     }
     118             : 
     119           0 :     accessible->role = role;
     120           0 : }
     121             : 
     122             : /*****************************************************************************/
     123             : 
     124             : static gint
     125           0 : ooo_window_wrapper_clear_focus(gpointer)
     126             : {
     127           0 :     SolarMutexGuard aGuard;
     128             :     SAL_WNODEPRECATED_DECLARATIONS_PUSH
     129           0 :     atk_focus_tracker_notify( NULL );
     130             :     SAL_WNODEPRECATED_DECLARATIONS_POP
     131           0 :     return FALSE;
     132             : }
     133             : 
     134             : /*****************************************************************************/
     135             : 
     136             : static gboolean
     137           0 : ooo_window_wrapper_real_focus_gtk (GtkWidget *, GdkEventFocus *)
     138             : {
     139           0 :     g_idle_add( ooo_window_wrapper_clear_focus, NULL );
     140           0 :     return FALSE;
     141             : }
     142             : 
     143           0 : static gboolean ooo_tooltip_map( GtkWidget* pToolTip, gpointer )
     144             : {
     145           0 :     AtkObject* pAccessible = gtk_widget_get_accessible( pToolTip );
     146           0 :     if( pAccessible )
     147           0 :         atk_object_notify_state_change( pAccessible, ATK_STATE_SHOWING, TRUE );
     148           0 :     return FALSE;
     149             : }
     150             : 
     151           0 : static gboolean ooo_tooltip_unmap( GtkWidget* pToolTip, gpointer )
     152             : {
     153           0 :     AtkObject* pAccessible = gtk_widget_get_accessible( pToolTip );
     154           0 :     if( pAccessible )
     155           0 :         atk_object_notify_state_change( pAccessible, ATK_STATE_SHOWING, FALSE );
     156           0 :     return FALSE;
     157             : }
     158             : 
     159             : /*****************************************************************************/
     160             : 
     161             : static bool
     162           0 : isChildPopupMenu(vcl::Window* pWindow)
     163             : {
     164           0 :     vcl::Window* pChild = pWindow->GetAccessibleChildWindow(0);
     165           0 :     if (!pChild)
     166           0 :         return false;
     167             : 
     168           0 :     if (WINDOW_FLOATINGWINDOW != pChild->GetType())
     169           0 :         return false;
     170             : 
     171           0 :     PopupMenuFloatingWindow* p = dynamic_cast<PopupMenuFloatingWindow*>(pChild);
     172           0 :     if (!p)
     173           0 :         return false;
     174             : 
     175           0 :     return p->IsPopupMenu();
     176             : }
     177             : 
     178             : static void
     179           0 : ooo_window_wrapper_real_initialize(AtkObject *obj, gpointer data)
     180             : {
     181           0 :     window_real_initialize(obj, data);
     182             : 
     183           0 :     GtkSalFrame *pFrame = GtkSalFrame::getFromWindow( GTK_WINDOW( data ) );
     184           0 :     if( pFrame )
     185             :     {
     186           0 :         vcl::Window *pWindow = pFrame->GetWindow();
     187           0 :         if( pWindow )
     188             :         {
     189           0 :             init_from_window( obj, pWindow );
     190             : 
     191           0 :             Reference< XAccessible > xAccessible( pWindow->GetAccessible(true) );
     192             : 
     193             :             /* We need the wrapper object for the top-level XAccessible to be
     194             :              * in the wrapper registry when atk traverses the hierarchy up on
     195             :              * focus events
     196             :              */
     197           0 :             if( WINDOW_BORDERWINDOW == pWindow->GetType() )
     198             :             {
     199           0 :                 if ( isChildPopupMenu(pWindow) )
     200             :                 {
     201           0 :                     AtkObject *child = atk_object_wrapper_new( xAccessible, obj );
     202           0 :                     ooo_wrapper_registry_add( xAccessible, child );
     203             :                 }
     204             :                 else
     205             :                 {
     206           0 :                     ooo_wrapper_registry_add( xAccessible, obj );
     207           0 :                     g_object_set_data( G_OBJECT(obj), "ooo:atk-wrapper-key", xAccessible.get() );
     208             :                 }
     209             :             }
     210             :             else
     211             :             {
     212           0 :                 AtkObject *child = atk_object_wrapper_new( xAccessible, obj );
     213           0 :                 child->role = ATK_ROLE_FILLER;
     214           0 :                 if( (ATK_ROLE_DIALOG == obj->role) || (ATK_ROLE_ALERT == obj->role) )
     215           0 :                     child->role = ATK_ROLE_OPTION_PANE;
     216           0 :                 ooo_wrapper_registry_add( xAccessible, child );
     217           0 :             }
     218             :         }
     219             :     }
     220             : 
     221           0 :     g_signal_connect_after( GTK_WIDGET( data ), "focus-out-event",
     222             :                             G_CALLBACK (ooo_window_wrapper_real_focus_gtk),
     223           0 :                             NULL);
     224             : 
     225           0 :     if( obj->role == ATK_ROLE_TOOL_TIP )
     226             :     {
     227           0 :         g_signal_connect_after( GTK_WIDGET( data ), "map-event",
     228             :                                 G_CALLBACK (ooo_tooltip_map),
     229           0 :                                 NULL);
     230           0 :         g_signal_connect_after( GTK_WIDGET( data ), "unmap-event",
     231             :                                 G_CALLBACK (ooo_tooltip_unmap),
     232           0 :                                 NULL);
     233             :     }
     234           0 : }
     235             : 
     236             : /*****************************************************************************/
     237             : 
     238             : static void
     239           0 : ooo_window_wrapper_real_finalize (GObject *obj)
     240             : {
     241           0 :     ooo_wrapper_registry_remove( static_cast<XAccessible *>(g_object_get_data( obj, "ooo:atk-wrapper-key" )));
     242           0 :     window_real_finalize( obj );
     243           0 : }
     244             : 
     245             : /*****************************************************************************/
     246             : 
     247             : static void
     248           0 : ooo_window_wrapper_class_init (AtkObjectClass *klass, gpointer)
     249             : {
     250             :     AtkObjectClass *atk_class;
     251             :     GObjectClass *gobject_class;
     252             :     gpointer data;
     253             : 
     254             :     /*
     255             :      * Patch the gobject vtable of GailWindow to refer to our instance of
     256             :      * "initialize".
     257             :      */
     258             : 
     259           0 :     data = g_type_class_peek_parent( klass );
     260           0 :     atk_class = ATK_OBJECT_CLASS (data);
     261             : 
     262           0 :     window_real_initialize = atk_class->initialize;
     263           0 :     atk_class->initialize = ooo_window_wrapper_real_initialize;
     264             : 
     265           0 :     gobject_class = G_OBJECT_CLASS (data);
     266             : 
     267           0 :     window_real_finalize = gobject_class->finalize;
     268           0 :     gobject_class->finalize = ooo_window_wrapper_real_finalize;
     269           0 : }
     270             : 
     271             : } // extern "C"
     272             : 
     273             : /*****************************************************************************/
     274             : 
     275             : GType
     276           0 : ooo_window_wrapper_get_type()
     277             : {
     278             :     static GType type = 0;
     279             : 
     280           0 :     if (!type)
     281             :     {
     282           0 :         GType parent_type = g_type_from_name( "GailWindow" );
     283             : 
     284           0 :         if( ! parent_type )
     285             :         {
     286             :             SAL_INFO("vcl.a11y", "Unknown type: GailWindow");
     287           0 :             parent_type = ATK_TYPE_OBJECT;
     288             :         }
     289             : 
     290             :         GTypeQuery type_query;
     291           0 :         g_type_query( parent_type, &type_query );
     292             : 
     293             :         static const GTypeInfo typeInfo =
     294             :         {
     295             :             static_cast<guint16>(type_query.class_size),
     296             :             nullptr,
     297             :             nullptr,
     298             :             reinterpret_cast<GClassInitFunc>(ooo_window_wrapper_class_init),
     299             :             nullptr,
     300             :             NULL,
     301             :             static_cast<guint16>(type_query.instance_size),
     302             :             0,
     303             :             nullptr,
     304             :             NULL
     305           0 :         } ;
     306             : 
     307           0 :         type = g_type_register_static (parent_type, "OOoWindowAtkObject", &typeInfo, (GTypeFlags)0) ;
     308             :     }
     309             : 
     310           0 :     return type;
     311             : }
     312             : 
     313           1 : void restore_gail_window_vtable()
     314             : {
     315             :     AtkObjectClass *atk_class;
     316             :     gpointer data;
     317             : 
     318           1 :     GType type = g_type_from_name( "GailWindow" );
     319             : 
     320           1 :     if( type == G_TYPE_INVALID )
     321           2 :         return;
     322             : 
     323           0 :     data = g_type_class_peek( type );
     324           0 :     atk_class = ATK_OBJECT_CLASS (data);
     325             : 
     326           0 :     atk_class->initialize = window_real_initialize;
     327             : }
     328             : 
     329             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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