1 files changed, 121 insertions, 0 deletions
diff --git a/src/plugins/gstreamer/camerabuttonlistener_maemo.cpp b/src/plugins/gstreamer/camerabuttonlistener_maemo.cpp
new file mode 100644
index 000000000..c10156d7a
--- /dev/null
+++ b/src/plugins/gstreamer/camerabuttonlistener_maemo.cpp
@@ -0,0 +1,121 @@
+/****************************************************************************
+**
+** 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));
+        }
+    }
+}