/****************************************************************************
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** This file is part of the plugins of the Qt Toolkit.
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** Public License version 3.0 as published by the Free Software Foundation
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** file. Please review the following information to ensure the GNU General
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****************************************************************************/

#include "qkmsintegration.h"
#include "qkmsdevice.h"
#include "qkmsscreen.h"
#include "qkmswindow.h"
#include "qkmsbackingstore.h"
#include "qkmscontext.h"
#include "qkmsnativeinterface.h"
#include "qkmsudevlistener.h"
#include "qkmsudevdrmhandler.h"

#include <QtPlatformSupport/private/qgenericunixeventdispatcher_p.h>
#include <QtPlatformSupport/private/qgenericunixfontdatabase_p.h>
#include <QtGui/private/qguiapplication_p.h>
#include <QtGui/QOpenGLContext>
#include <QtGui/QScreen>

QT_BEGIN_NAMESPACE

QKmsIntegration::QKmsIntegration()
    : QPlatformIntegration(),
      m_fontDatabase(new QGenericUnixFontDatabase()),
      m_eventDispatcher(createUnixEventDispatcher()),
      m_nativeInterface(new QKmsNativeInterface),
      m_udevListener(new QKmsUdevListener)
{
    QGuiApplicationPrivate::instance()->setEventDispatcher(m_eventDispatcher);
    setenv("EGL_PLATFORM", "drm",1);
    m_drmHandler = new QKmsUdevDRMHandler(this);
    m_udevListener->addHandler(m_drmHandler);
}

QKmsIntegration::~QKmsIntegration()
{
    foreach (QKmsDevice *device, m_devices) {
        delete device;
    }
    foreach (QPlatformScreen *screen, m_screens) {
        delete screen;
    }
    delete m_fontDatabase;
    delete m_udevListener;
}

QObject *QKmsIntegration::createDevice(const char *path)
{
    QKmsDevice *device = new QKmsDevice(path, this);
    m_devices.append(device);
    return device;
}

bool QKmsIntegration::hasCapability(QPlatformIntegration::Capability cap) const
{
    switch (cap) {
    case ThreadedPixmaps: return true;
    case OpenGL: return true;
    case ThreadedOpenGL: return true;
    case BufferQueueingOpenGL: return true;
    default: return QPlatformIntegration::hasCapability(cap);
    }
}

QPlatformOpenGLContext *QKmsIntegration::createPlatformOpenGLContext(QOpenGLContext *context) const
{
    QKmsScreen *screen = static_cast<QKmsScreen *>(context->screen()->handle());
    return new QKmsContext(context, screen->device());
}

QPlatformWindow *QKmsIntegration::createPlatformWindow(QWindow *window) const
{
    return new QKmsWindow(window);
}

QPlatformBackingStore *QKmsIntegration::createPlatformBackingStore(QWindow *window) const
{
    return new QKmsBackingStore(window);
}

QPlatformFontDatabase *QKmsIntegration::fontDatabase() const
{
    return m_fontDatabase;
}

void QKmsIntegration::addScreen(QKmsScreen *screen)
{
    m_screens.append(screen);
    screenAdded(screen);
}

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

QPlatformNativeInterface *QKmsIntegration::nativeInterface() const
{
    return m_nativeInterface;
}

QT_END_NAMESPACE