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/* This file is part of the KDE project
* Copyright (C) 2010 Sebastian Sauer <sebsauer@kdab.com>
*
* 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 "kaccessiblebridge.h"
#include "kaccessibleinterface.h"
#include <QAccessibleInterface>
#include <QWidget>
#include <QFile>
#include <QDBusConnection>
#include <QDBusConnectionInterface>
#include <QDBusInterface>
#include <QDBusPendingCall>
#include <QDBusArgument>
#include <QDBusMetaType>
#include <kdebug.h>
Q_EXPORT_PLUGIN(BridgePlugin)
class Bridge::Private
{
public:
BridgePlugin *m_plugin;
const QString m_key;
QAccessibleInterface *m_root;
QList<QObject*> m_popupMenus;
QRect m_lastFocusRect;
QString m_lastFocusName;
Private(BridgePlugin *plugin, const QString& key)
: m_plugin(plugin)
, m_key(key)
, m_root(0)
, m_lastFocusRect(QRect(0,0,0,0))
, m_app(0)
{
}
~Private()
{
delete m_app;
}
QDBusInterface* app()
{
Q_ASSERT(m_root);
if(!m_app) {
m_app = new QDBusInterface(QLatin1String("org.kde.kaccessibleapp"), QLatin1String("/Adaptor"));
if(m_app->isValid()) {
kDebug() << "Connected with the org.kde.kaccessibleapp dbus-service";
KAccessibleInterface dbusIface;
dbusIface.set(m_root, 0);
m_app->asyncCall(QLatin1String("setRootObject"), qVariantFromValue(dbusIface));
}
}
if(m_app->lastError().isValid()) {
kDebug() << "DBus error:" << m_app->lastError().name() << m_app->lastError().message();
delete m_app; m_app = 0;
} else if(!m_app->isValid()) {
kDebug() << "Failed to connect with the org.kde.kaccessibleapp dbus-service";
delete m_app; m_app = 0;
}
return m_app;
}
private:
QDBusInterface *m_app;
};
Bridge::Bridge(BridgePlugin *plugin, const QString& key)
: QObject(plugin)
, QAccessibleBridge()
, d(new Private(plugin, key))
{
}
Bridge::~Bridge()
{
delete d;
}
void Bridge::notifyAccessibilityUpdate(int reason, QAccessibleInterface *interface, int child)
{
if(reason == QAccessible::ObjectShow || reason == QAccessible::ObjectHide) {
return;
}
if(!d->m_root) {
return;
}
QObject *obj = interface->object();
if(!obj) {
return;
}
QDBusInterface* app = d->app();
if(!app) {
return;
}
const QString name = interface->text(QAccessible::Name, child);
const QString description = interface->text(QAccessible::Description, child);
KAccessibleInterface dbusIface;
dbusIface.set(interface, child);
QAccessibleInterface *childInterface = 0;
//if(child > 0) interface->navigate(QAccessible::Child, child, &childInterface);
switch(reason) {
case QAccessible::PopupMenuStart: {
d->m_popupMenus.append(obj);
} break;
case QAccessible::PopupMenuEnd: {
const int index = d->m_popupMenus.lastIndexOf(obj);
if(index >= 0) d->m_popupMenus.removeAt(index);
} break;
case QAccessible::Alert: {
//kDebug() << reasonToString(reason) << "object=" << (obj ? QString("%1 (%2)").arg(obj->objectName()).arg(obj->metaObject()->className()) : "NULL") << "name=" << name;
app->asyncCall(QLatin1String( "setAlert" ), qVariantFromValue(dbusIface));
} break;
case QAccessible::DialogStart: {
kDebug() << reasonToString(reason) << QLatin1String( "object=" ) << (obj ? QString(QLatin1String( "%1 (%2)" )).arg(obj->objectName()).arg(QLatin1String( obj->metaObject()->className() )) : QLatin1String( "NULL" )) << QLatin1String( "name=" ) << name;
//app->asyncCall("sayText", name);
} break;
case QAccessible::DialogEnd: {
kDebug() << reasonToString(reason) << QLatin1String( "object=" ) << (obj ? QString(QLatin1String( "%1 (%2)" )).arg(obj->objectName()).arg(QLatin1String( obj->metaObject()->className() )) : QLatin1String( "NULL" )) << QLatin1String( "name=" ) << name;
//app->asyncCall("sayText", name);
} break;
case QAccessible::NameChanged: {
kDebug() << reasonToString(reason) << QLatin1String( "object=" ) << (obj ? QString(QLatin1String( "%1 (%2)" )).arg(obj->objectName()).arg(QLatin1String( obj->metaObject()->className() )) : QLatin1String( "NULL" )) << QLatin1String( "name=" ) << name;
//app->asyncCall("sayText", name);
} break;
case QAccessible::ValueChanged: {
QString value = interface->text(QAccessible::Value, child);
kDebug() << reasonToString(reason) << QLatin1String( "object=" ) << (obj ? QString(QLatin1String( "%1 (%2)" )).arg(obj->objectName() ).arg(QLatin1String( obj->metaObject()->className() )) : QLatin1String( "NULL" )) << QLatin1String( "name=" ) << name << QLatin1String( "value=" ) << value;
app->asyncCall(QLatin1String( "setValueChanged" ), qVariantFromValue(dbusIface));
} break;
case QAccessible::StateChanged: {
kDebug() << reasonToString(reason) << QLatin1String( "object=" ) << (obj ? QString(QLatin1String( "%1 (%2)" ) ).arg(obj->objectName()).arg(QLatin1String( obj->metaObject()->className() )) : QLatin1String( "NULL" )) << QLatin1String( "name=" )<< name << QLatin1String( "state=" ) << stateToString(dbusIface.state);
} break;
case QAccessible::Focus: {
// abort if the focus would interrupt a popupmenu
if(!d->m_popupMenus.isEmpty()) {
bool ok = false;
QObject* lastPopupMenu = d->m_popupMenus.last();
for(QObject* o = obj; o; o = o->parent())
if(o == lastPopupMenu) { ok = true; break; }
if(!ok)
return;
}
// don't emit the focus changed signal if the focus didn't really changed since last time
if(dbusIface.rect == d->m_lastFocusRect && dbusIface.name == d->m_lastFocusName)
return;
d->m_lastFocusRect = dbusIface.rect;
d->m_lastFocusName = dbusIface.name;
// here we could add hacks to special case applications/widgets :)
//
// QWidget *w = childInterface ? dynamic_cast<QWidget*>(childobj) : 0;
// if(!w) w = dynamic_cast<QWidget*>(obj);
// if(w) r = QRect(w->mapToGlobal(QPoint(w->x(), w->y())), w->size());
kDebug() << reasonToString(reason) << QLatin1String( "object=" ) << (obj ? QString(QLatin1String( "%1 (%2)" )).arg(obj->objectName()).arg(QLatin1String( obj->metaObject()->className() )) : QLatin1String( "NULL" )) << QLatin1String( "name=" ) << name << QLatin1String( "rect=" ) << dbusIface.rect;
app->asyncCall(QLatin1String( "setFocusChanged" ), qVariantFromValue(dbusIface));
} break;
default:
kDebug() << reasonToString(reason) << QLatin1String( "object=" ) << (obj ? QString(QLatin1String( "%1 (%2)" )).arg(obj->objectName()).arg(QLatin1String( obj->metaObject()->className() )) : QLatin1String( "NULL" )) << QLatin1String( "name=" ) << name;
break;
}
delete childInterface;
//delete d->m_app; d->m_app = 0;
}
void Bridge::focusChanged(int px, int py, int rx, int ry, int rwidth, int rheight)
{
kDebug()<<"KAccessibleBridge: focusChanged px=" << px << "py=" << py << "rx=" << rx << "ry=" << ry << "rwidth=" << rwidth << "rheight=" << rheight;
}
void Bridge::setRootObject(QAccessibleInterface *interface)
{
d->m_root = interface;
kDebug()<<QLatin1String( "KAccessibleBridge: setRootObject object=" ) << (interface->object() ? QString(QLatin1String( "%1 (%2)" )).arg(interface->object()->objectName()).arg(QLatin1String( interface->object()->metaObject()->className() )) : QLatin1String( "NULL" ));
if( ! QDBusConnection::sessionBus().isConnected()) {
kWarning()<<"KAccessibleBridge: Failed to connect to session bus";
d->m_root = 0;
return;
}
if( ! QDBusConnection::sessionBus().interface()->isServiceRegistered(QLatin1String( "org.kde.kaccessibleapp" ))) {
kDebug()<<"KAccessibleBridge: Starting kaccessibleapp dbus service";
QDBusConnection::sessionBus().interface()->startService(QLatin1String( "org.kde.kaccessibleapp" ));
if( ! QDBusConnection::sessionBus().interface()->isServiceRegistered(QLatin1String( "org.kde.kaccessibleapp" ))) {
kWarning()<<"KAccessibleBridge: Failed to start kaccessibleapp dbus service";
d->m_root = 0;
return;
}
//for testing;
//QDBusConnection::sessionBus().connect("org.kde.kaccessibleapp", "/Adaptor", "org.kde.kaccessibleapp.Adaptor", "focusChanged", this, SLOT(focusChanged(int,int,int,int,int,int)));
}
}
BridgePlugin::BridgePlugin(QObject *parent)
: QAccessibleBridgePlugin(parent)
{
qDBusRegisterMetaType<KAccessibleInterface>();
}
BridgePlugin::~BridgePlugin()
{
}
QAccessibleBridge* BridgePlugin::create(const QString &key)
{
return new Bridge(this, key);
}
QStringList BridgePlugin::keys() const
{
return QStringList() << QLatin1String( "KAccessibleBridge" );
}
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