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#include "camerabuttonlistener_meego.h"

#include <QtWidgets/qapplication.h>
#include <QtGui/qevent.h>
#include <QtWidgets/qwidget.h>
#include <QtCore/qdebug.h>

CameraButtonListener::CameraButtonListener(QObject *parent) :
    QObject(parent),
    m_focusPressed(false),
    m_shutterPressed(false)
{
    m_keys = new MeeGo::QmKeys(this);
    connect(m_keys, SIGNAL(keyEvent(MeeGo::QmKeys::Key, MeeGo::QmKeys::State)),
            this, SLOT(handleQmKeyEvent(MeeGo::QmKeys::Key,MeeGo::QmKeys::State)));
}

CameraButtonListener::~CameraButtonListener()
{
}

void CameraButtonListener::handleQmKeyEvent(MeeGo::QmKeys::Key key, MeeGo::QmKeys::State state)
{
    if (key == MeeGo::QmKeys::Camera) {
        QWidget *window = QApplication::focusWidget();        

        bool focusPressed = (state == MeeGo::QmKeys::KeyHalfDown) ||
                            (state == MeeGo::QmKeys::KeyDown);

        if (m_focusPressed != focusPressed) {
            m_focusPressed = focusPressed;
            if (window) {
                QApplication::postEvent(window,
                                        new QKeyEvent(focusPressed ? QEvent::KeyPress : QEvent::KeyRelease,
                                                      Qt::Key_CameraFocus,
                                                      Qt::NoModifier));
            }
        }

        bool shutterPressed = (state == MeeGo::QmKeys::KeyDown);
        if (m_shutterPressed != shutterPressed) {
            m_shutterPressed = shutterPressed;
            if (window) {
                QApplication::postEvent(window,
                                        new QKeyEvent(shutterPressed ? QEvent::KeyPress : QEvent::KeyRelease,
                                                      Qt::Key_Camera,
                                                      Qt::NoModifier));
            }
        }
    }
}