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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "camerabuttonlistener_maemo.h"
#include <QtDBus/qdbusconnection.h>
#include <QtDBus/qdbusinterface.h>
#include <QtGui/qapplication.h>
#include <QtGui/qevent.h>
#include <QtGui/qwidget.h>
CameraButtonListener::CameraButtonListener(QObject *parent) :
QObject(parent),
m_focusPressed(false),
m_shutterPressed(false)
{
QDBusConnection::systemBus().connect(
QString(),
"/org/freedesktop/Hal/devices/platform_cam_launch",
"org.freedesktop.Hal.Device",
"PropertyModified",
this,
SLOT(updateShuterButtonState()));
QDBusConnection::systemBus().connect(
QString(),
"/org/freedesktop/Hal/devices/platform_cam_focus",
"org.freedesktop.Hal.Device",
"PropertyModified",
this,
SLOT(updateFocusButtonState()));
}
CameraButtonListener::~CameraButtonListener()
{
}
void CameraButtonListener::updateFocusButtonState()
{
QDBusInterface propertyInterface("org.freedesktop.Hal",
"/org/freedesktop/Hal/devices/platform_cam_focus",
"org.freedesktop.Hal.Device",
QDBusConnection::systemBus());
bool pressed = propertyInterface.call("GetProperty", "button.state.value").arguments().at(0).toBool();
if (m_focusPressed != pressed) {
m_focusPressed = pressed;
QWidget *window = QApplication::focusWidget();
if (window) {
QApplication::postEvent(window,
new QKeyEvent(pressed ? QEvent::KeyPress : QEvent::KeyRelease,
0x01100021, //Qt::Key_CameraFocus since Qt 4.7.0
Qt::NoModifier));
}
}
}
void CameraButtonListener::updateShuterButtonState()
{
QDBusInterface propertyInterface("org.freedesktop.Hal",
"/org/freedesktop/Hal/devices/platform_cam_launch",
"org.freedesktop.Hal.Device",
QDBusConnection::systemBus());
bool pressed = propertyInterface.call("GetProperty", "button.state.value").arguments().at(0).toBool();
if (m_shutterPressed != pressed) {
m_shutterPressed = pressed;
QWidget *window = QApplication::focusWidget();
if (window) {
QApplication::postEvent(window,
new QKeyEvent(pressed ? QEvent::KeyPress : QEvent::KeyRelease,
0x01100020, //Qt::Key_Camera since Qt 4.7.0
Qt::NoModifier));
}
}
}
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