/****************************************************************************
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
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** This file is part of the config.tests of the Qt Toolkit.
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** 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
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** file. Please review the following information to ensure the GNU General
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****************************************************************************/

#include "qwaylandintegration.h"

#include "qwaylanddisplay.h"
#include "qwaylandshmbackingstore.h"
#include "qwaylandshmwindow.h"
#include "qwaylandnativeinterface.h"
#include "qwaylandclipboard.h"
#include "qwaylanddnd.h"

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

#include <QtGui/private/qguiapplication_p.h>

#include <QtGui/QWindowSystemInterface>
#include <QtGui/QPlatformCursor>
#include <QtGui/QSurfaceFormat>
#include <QtGui/QOpenGLContext>

#include <private/qplatforminputcontextfactory_qpa_p.h>
#include <qplatformaccessibility_qpa.h>
#include <qplatforminputcontext_qpa.h>

#ifdef QT_WAYLAND_GL_SUPPORT
#include "gl_integration/qwaylandglintegration.h"
#endif

#ifdef QT_WAYLAND_WINDOWMANAGER_SUPPORT
#include "windowmanager_integration/qwaylandwindowmanagerintegration.h"
#endif

QWaylandIntegration::QWaylandIntegration()
    : mFontDb(new QGenericUnixFontDatabase())
    , mEventDispatcher(createUnixEventDispatcher())
    , mNativeInterface(new QWaylandNativeInterface)
    , mAccessibility(new QPlatformAccessibility())
{
    QGuiApplicationPrivate::instance()->setEventDispatcher(mEventDispatcher);
    mDisplay = new QWaylandDisplay();
    mClipboard = new QWaylandClipboard(mDisplay);
    mDrag = new QWaylandDrag(mDisplay);

    foreach (QPlatformScreen *screen, mDisplay->screens())
        screenAdded(screen);

    mInputContext = QPlatformInputContextFactory::create();
}

QPlatformNativeInterface * QWaylandIntegration::nativeInterface() const
{
    return mNativeInterface;
}

bool QWaylandIntegration::hasCapability(QPlatformIntegration::Capability cap) const
{
    switch (cap) {
    case ThreadedPixmaps: return true;
    case OpenGL:
#ifdef QT_WAYLAND_GL_SUPPORT
        return true;
#else
        return false;
#endif
    case ThreadedOpenGL:
        return hasCapability(OpenGL);
    default: return QPlatformIntegration::hasCapability(cap);
    }
}

QPlatformWindow *QWaylandIntegration::createPlatformWindow(QWindow *window) const
{
#ifdef QT_WAYLAND_GL_SUPPORT
    if (window->surfaceType() == QWindow::OpenGLSurface)
        return mDisplay->eglIntegration()->createEglWindow(window);
#endif
    return new QWaylandShmWindow(window);
}

QPlatformOpenGLContext *QWaylandIntegration::createPlatformOpenGLContext(QOpenGLContext *context) const
{
#ifdef QT_WAYLAND_GL_SUPPORT
    return mDisplay->eglIntegration()->createPlatformOpenGLContext(context->format(), context->shareHandle());
#else
    Q_UNUSED(glFormat);
    Q_UNUSED(share);
    return 0;
#endif
}

QPlatformBackingStore *QWaylandIntegration::createPlatformBackingStore(QWindow *window) const
{
    return new QWaylandShmBackingStore(window);
}

QAbstractEventDispatcher *QWaylandIntegration::guiThreadEventDispatcher() const
{
    return mEventDispatcher;
}

QPlatformFontDatabase *QWaylandIntegration::fontDatabase() const
{
    return mFontDb;
}

QPlatformClipboard *QWaylandIntegration::clipboard() const
{
    return mClipboard;
}

QPlatformDrag *QWaylandIntegration::drag() const
{
    return mDrag;
}

QPlatformInputContext *QWaylandIntegration::inputContext() const
{
    return mInputContext;
}

QVariant QWaylandIntegration::styleHint(StyleHint hint) const
{
#ifdef QT_WAYLAND_WINDOWMANAGER_SUPPORT
    if (hint == ShowIsFullScreen && mDisplay->windowManagerIntegration())
        return mDisplay->windowManagerIntegration()->showIsFullScreen();
#endif
    return QPlatformIntegration::styleHint(hint);
}

QPlatformAccessibility *QWaylandIntegration::accessibility() const
{
    return mAccessibility;
}