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/*
* 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 "AccessibilityAtspiEnums.h"
#include "AccessibilityObject.h"
#include <gio/gio.h>
namespace WebCore {
GDBusInterfaceVTable AccessibilityObjectAtspi::s_imageFunctions = {
// 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, "GetImageExtents")) {
uint32_t coordinateType;
g_variant_get(parameters, "(u)", &coordinateType);
auto rect = atspiObject->elementRect(coordinateType);
g_dbus_method_invocation_return_value(invocation, g_variant_new("((iiii))", rect.x(), rect.y(), rect.width(), rect.height()));
} else if (!g_strcmp0(methodName, "GetImagePosition")) {
uint32_t coordinateType;
g_variant_get(parameters, "(u)", &coordinateType);
auto rect = atspiObject->elementRect(coordinateType);
g_dbus_method_invocation_return_value(invocation, g_variant_new("(ii)", rect.x(), rect.y()));
} else if (!g_strcmp0(methodName, "GetImageSize")) {
auto rect = atspiObject->elementRect(Atspi::CoordinateType::ParentCoordinates);
g_dbus_method_invocation_return_value(invocation, g_variant_new("(ii)", rect.width(), rect.height()));
}
},
// 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, "ImageDescription"))
return g_variant_new_string(atspiObject->imageDescription().utf8().data());
if (!g_strcmp0(propertyName, "ImageLocale"))
return g_variant_new_string(atspiObject->locale().utf8().data());
g_set_error(error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Unknown property '%s'", propertyName);
return nullptr;
},
// set_property,
nullptr,
// padding
nullptr
};
String AccessibilityObjectAtspi::imageDescription() const
{
if (!m_coreObject)
return { };
Vector<AccessibilityText> textOrder;
m_coreObject->accessibilityText(textOrder);
bool visibleTextAvailable = false;
for (const AccessibilityText& text : textOrder) {
if (text.textSource == AccessibilityTextSource::Alternative)
return text.text;
switch (text.textSource) {
case AccessibilityTextSource::Visible:
case AccessibilityTextSource::Children:
case AccessibilityTextSource::LabelByElement:
visibleTextAvailable = true;
default:
break;
}
if (text.textSource == AccessibilityTextSource::TitleTag && !visibleTextAvailable)
return text.text;
}
return { };
}
} // namespace WebCore
#endif // ENABLE(ACCESSIBILITY) && USE(ATSPI)