blob: fc9200383cccbd69c4f52abddff4ffd16c20e260 [file] [log] [blame]
/*
* Copyright (C) 2021 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "AccessibilityObjectAtspi.h"
#if ENABLE(ACCESSIBILITY) && USE(ATSPI)
#include "AccessibilityAtspi.h"
#include <gio/gio.h>
#include <wtf/URL.h>
#include <wtf/unicode/CharacterNames.h>
namespace WebCore {
GDBusInterfaceVTable AccessibilityObjectAtspi::s_hyperlinkFunctions = {
// method_call
[](GDBusConnection*, const gchar*, const gchar*, const gchar*, const gchar* methodName, GVariant* parameters, GDBusMethodInvocation* invocation, gpointer userData) {
auto atspiObject = Ref { *static_cast<AccessibilityObjectAtspi*>(userData) };
atspiObject->updateBackingStore();
if (!g_strcmp0(methodName, "GetObject")) {
int index;
g_variant_get(parameters, "(i)", &index);
g_dbus_method_invocation_return_value(invocation, g_variant_new("(@(so))", !index ? atspiObject->reference() : AccessibilityAtspi::singleton().nullReference()));
} else if (!g_strcmp0(methodName, "GetURI")) {
int index;
g_variant_get(parameters, "(i)", &index);
g_dbus_method_invocation_return_value(invocation, g_variant_new("(s)", !index ? atspiObject->url().string().utf8().data() : ""));
} else if (!g_strcmp0(methodName, "IsValid"))
g_dbus_method_invocation_return_value(invocation, g_variant_new("(b)", atspiObject->m_coreObject ? TRUE : FALSE));
},
// get_property
[](GDBusConnection*, const gchar*, const gchar*, const gchar*, const gchar* propertyName, GError** error, gpointer userData) -> GVariant* {
auto atspiObject = Ref { *static_cast<AccessibilityObjectAtspi*>(userData) };
atspiObject->updateBackingStore();
if (!g_strcmp0(propertyName, "NAnchors"))
return g_variant_new_int32(1);
if (!g_strcmp0(propertyName, "StartIndex"))
return g_variant_new_int32(atspiObject->offsetInParent());
if (!g_strcmp0(propertyName, "EndIndex"))
return g_variant_new_int32(atspiObject->offsetInParent() + 1);
g_set_error(error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Unknown property '%s'", propertyName);
return nullptr;
},
// set_property,
nullptr,
// padding
nullptr
};
URL AccessibilityObjectAtspi::url() const
{
return m_coreObject ? m_coreObject->url() : URL();
}
unsigned AccessibilityObjectAtspi::offsetInParent() const
{
if (!m_coreObject)
return 0;
auto* parent = m_coreObject->parentObjectUnignored();
if (!parent || !parent->wrapper())
return 0;
int index = -1;
const auto& children = parent->children();
for (const auto& child : children) {
if (child->accessibilityIsIgnored())
continue;
auto* wrapper = child->wrapper();
if (!wrapper || !wrapper->interfaces().contains(Interface::Hyperlink))
continue;
index++;
if (wrapper == this)
break;
}
if (index == -1)
return 0;
return parent->wrapper()->characterOffset(objectReplacementCharacter, index).value_or(0);
}
} // namespace WebCore
#endif // ENABLE(ACCESSIBILITY) && USE(ATSPI)