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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "atkwrapper.hxx"
#include <com/sun/star/accessibility/XAccessibleAction.hpp>
#include <com/sun/star/accessibility/XAccessibleKeyBinding.hpp>
#include <com/sun/star/awt/Key.hpp>
#include <com/sun/star/awt/KeyModifier.hpp>
#include <rtl/strbuf.hxx>
#include <algorithm>
#include <map>
using namespace ::com::sun::star;
// FIXME
static G_CONST_RETURN gchar *
getAsConst( const OString& rString )
{
static const int nMax = 10;
static OString aUgly[nMax];
static int nIdx = 0;
nIdx = (nIdx + 1) % nMax;
aUgly[nIdx] = rString;
return aUgly[ nIdx ].getStr();
}
static css::uno::Reference<css::accessibility::XAccessibleAction>
getAction( AtkAction *action ) throw (uno::RuntimeException)
{
AtkObjectWrapper *pWrap = ATK_OBJECT_WRAPPER( action );
if( pWrap )
{
if( !pWrap->mpAction.is() )
{
pWrap->mpAction.set(pWrap->mpContext, css::uno::UNO_QUERY);
}
return pWrap->mpAction;
}
return css::uno::Reference<css::accessibility::XAccessibleAction>();
}
extern "C" {
static gboolean
action_wrapper_do_action (AtkAction *action,
gint i)
{
try {
css::uno::Reference<css::accessibility::XAccessibleAction> pAction
= getAction( action );
if( pAction.is() )
return pAction->doAccessibleAction( i );
}
catch(const uno::Exception&) {
g_warning( "Exception in doAccessibleAction()" );
}
return FALSE;
}
static gint
action_wrapper_get_n_actions (AtkAction *action)
{
try {
css::uno::Reference<css::accessibility::XAccessibleAction> pAction
= getAction( action );
if( pAction.is() )
return pAction->getAccessibleActionCount();
}
catch(const uno::Exception&) {
g_warning( "Exception in getAccessibleActionCount()" );
}
return 0;
}
static G_CONST_RETURN gchar *
action_wrapper_get_description (AtkAction *, gint)
{
// GAIL implement this only for cells
g_warning( "Not implemented: get_description()" );
return "";
}
static G_CONST_RETURN gchar *
action_wrapper_get_localized_name (AtkAction *, gint)
{
// GAIL doesn't implement this as well
g_warning( "Not implemented: get_localized_name()" );
return "";
}
#define ACTION_NAME_PAIR( OOoName, AtkName ) \
std::pair< const OUString, const gchar * > ( OUString( OOoName ), AtkName )
static G_CONST_RETURN gchar *
action_wrapper_get_name (AtkAction *action,
gint i)
{
static std::map< OUString, const gchar * > aNameMap;
if( aNameMap.empty() )
{
aNameMap.insert( ACTION_NAME_PAIR( "click", "click" ) );
aNameMap.insert( ACTION_NAME_PAIR( "select", "click" ) );
aNameMap.insert( ACTION_NAME_PAIR( "togglePopup", "push" ) );
}
try {
css::uno::Reference<css::accessibility::XAccessibleAction> pAction
= getAction( action );
if( pAction.is() )
{
std::map< OUString, const gchar * >::iterator iter;
OUString aDesc( pAction->getAccessibleActionDescription( i ) );
iter = aNameMap.find( aDesc );
if( iter != aNameMap.end() )
return iter->second;
std::pair< const OUString, const gchar * > aNewVal( aDesc,
g_strdup( OUStringToConstGChar(aDesc) ) );
if( aNameMap.insert( aNewVal ).second )
return aNewVal.second;
}
}
catch(const uno::Exception&) {
g_warning( "Exception in getAccessibleActionDescription()" );
}
return "";
}
/*
* GNOME Expects a string in the format:
*
* <mnemonic>;<full-path>;<accelerator>
*
* The keybindings in <full-path> should be separated by ":"
*/
static inline void
appendKeyStrokes(OStringBuffer& rBuffer, const uno::Sequence< awt::KeyStroke >& rKeyStrokes)
{
for( sal_Int32 i = 0; i < rKeyStrokes.getLength(); i++ )
{
if( rKeyStrokes[i].Modifiers & awt::KeyModifier::SHIFT )
rBuffer.append("<Shift>");
if( rKeyStrokes[i].Modifiers & awt::KeyModifier::MOD1 )
rBuffer.append("<Control>");
if( rKeyStrokes[i].Modifiers & awt::KeyModifier::MOD2 )
rBuffer.append("<Alt>");
if( ( rKeyStrokes[i].KeyCode >= awt::Key::A ) && ( rKeyStrokes[i].KeyCode <= awt::Key::Z ) )
rBuffer.append( (sal_Char) ( 'a' + ( rKeyStrokes[i].KeyCode - awt::Key::A ) ) );
else
{
sal_Char c = '\0';
switch( rKeyStrokes[i].KeyCode )
{
case awt::Key::TAB: c = '\t'; break;
case awt::Key::SPACE: c = ' '; break;
case awt::Key::ADD: c = '+'; break;
case awt::Key::SUBTRACT: c = '-'; break;
case awt::Key::MULTIPLY: c = '*'; break;
case awt::Key::DIVIDE: c = '/'; break;
case awt::Key::POINT: c = '.'; break;
case awt::Key::COMMA: c = ','; break;
case awt::Key::LESS: c = '<'; break;
case awt::Key::GREATER: c = '>'; break;
case awt::Key::EQUAL: c = '='; break;
case 0:
break;
default:
g_warning( "Unmapped KeyCode: %d", rKeyStrokes[i].KeyCode );
break;
}
if( c != '\0' )
rBuffer.append( c );
else
{
// The KeyCode approach did not work, probably a non ascii character
// let's hope that there is a character given in KeyChar.
rBuffer.append( OUStringToGChar( OUString( rKeyStrokes[i].KeyChar ) ) );
}
}
}
}
static G_CONST_RETURN gchar *
action_wrapper_get_keybinding (AtkAction *action,
gint i)
{
try {
css::uno::Reference<css::accessibility::XAccessibleAction> pAction
= getAction( action );
if( pAction.is() )
{
uno::Reference< accessibility::XAccessibleKeyBinding > xBinding( pAction->getAccessibleActionKeyBinding( i ));
if( xBinding.is() )
{
OStringBuffer aRet;
sal_Int32 nmax = std::min( xBinding->getAccessibleKeyBindingCount(), (sal_Int32) 3 );
for( sal_Int32 n = 0; n < nmax; n++ )
{
appendKeyStrokes( aRet, xBinding->getAccessibleKeyBinding( n ) );
if( n < 2 )
aRet.append( (sal_Char) ';' );
}
// !! FIXME !! remember keystroke in wrapper object ?
return getAsConst( aRet.makeStringAndClear() );
}
}
}
catch(const uno::Exception&) {
g_warning( "Exception in get_keybinding()" );
}
return "";
}
static gboolean
action_wrapper_set_description (AtkAction *, gint, const gchar *)
{
return FALSE;
}
} // extern "C"
void
actionIfaceInit (AtkActionIface *iface)
{
g_return_if_fail (iface != nullptr);
iface->do_action = action_wrapper_do_action;
iface->get_n_actions = action_wrapper_get_n_actions;
iface->get_description = action_wrapper_get_description;
iface->get_keybinding = action_wrapper_get_keybinding;
iface->get_name = action_wrapper_get_name;
iface->get_localized_name = action_wrapper_get_localized_name;
iface->set_description = action_wrapper_set_description;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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