/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the plugins of the Qt Toolkit.
**
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** GNU Lesser General Public License Usage
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
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**
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** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
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** $QT_END_LICENSE$
**
****************************************************************************/

#include "qdirectfbintegration.h"
#include "qdirectfbbackingstore.h"
#include "qdirectfbblitter.h"
#include "qdirectfbconvenience.h"
#include "qdirectfbcursor.h"
#include "qdirectfbwindow.h"

#include <QtPlatformSupport/private/qgenericunixfontdatabase_p.h>
#include <QtPlatformSupport/private/qgenericunixeventdispatcher_p.h>

#include <QtGui/private/qpixmap_blitter_p.h>
#include <QtGui/private/qpixmap_raster_p.h>
#include <QtGui/private/qguiapplication_p.h>
#include <QtGui/qplatformpixmap_qpa.h>
#include <QtCore/QCoreApplication>
#include <QtCore/QThread>
#include <QtCore/QAbstractEventDispatcher>

QT_BEGIN_NAMESPACE

QDirectFbScreen::QDirectFbScreen(int display)
    : QPlatformScreen()
    , m_layer(QDirectFbConvenience::dfbDisplayLayer(display))
{
    m_layer->SetCooperativeLevel(m_layer.data(), DLSCL_SHARED);

    DFBDisplayLayerConfig config;
    m_layer->GetConfiguration(m_layer.data(), &config);

    m_format = QDirectFbConvenience::imageFormatFromSurfaceFormat(config.pixelformat, config.surface_caps);
    m_geometry = QRect(0,0,config.width,config.height);
    const int dpi = 72;
    const qreal inch = 25.4;
    m_depth = QDirectFbConvenience::colorDepthForSurface(config.pixelformat);
    m_physicalSize = QSizeF(config.width, config.height) * inch / dpi;

    m_cursor.reset(new QDirectFBCursor(this));
}

QDirectFbIntegration::QDirectFbIntegration()
    : m_fontDb(new QGenericUnixFontDatabase())
    , m_eventDispatcher(createUnixEventDispatcher())
{
    QGuiApplicationPrivate::instance()->setEventDispatcher(m_eventDispatcher);

    const QStringList args = QCoreApplication::arguments();
    int argc = args.size();
    char **argv = new char*[argc];

    for (int i = 0; i < argc; ++i)
        argv[i] = qstrdup(args.at(i).toLocal8Bit().constData());

    DFBResult result = DirectFBInit(&argc, &argv);
    if (result != DFB_OK) {
        DirectFBError("QDirectFBScreen: error initializing DirectFB",
                      result);
    }

    for (int i = 0; i < argc; ++i)
        delete[] argv[i];
    delete[] argv;

    // This must happen after DirectFBInit.
    m_dfb.reset(QDirectFbConvenience::dfbInterface());

    m_primaryScreen.reset(new QDirectFbScreen(0));
    screenAdded(m_primaryScreen.data());

    m_input.reset(new QDirectFbInput());
    m_input->start();
}

QDirectFbIntegration::~QDirectFbIntegration()
{
    m_input->stopInputEventLoop();
    m_input->wait();
}

QPlatformPixmap *QDirectFbIntegration::createPlatformPixmap(QPlatformPixmap::PixelType type) const
{
    if (type == QPlatformPixmap::BitmapType)
        return new QRasterPlatformPixmap(type);
    else
        return new QDirectFbBlitterPlatformPixmap;
}

QPlatformWindow *QDirectFbIntegration::createPlatformWindow(QWindow *window) const
{
    return new QDirectFbWindow(window,m_input.data());
}

QAbstractEventDispatcher *QDirectFbIntegration::guiThreadEventDispatcher() const
{
    return m_eventDispatcher;
}

QPlatformBackingStore *QDirectFbIntegration::createPlatformBackingStore(QWindow *window) const
{
    return new QDirectFbBackingStore(window);
}

QPlatformFontDatabase *QDirectFbIntegration::fontDatabase() const
{
    return m_fontDb.data();
}

QT_END_NAMESPACE