/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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.
**
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** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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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 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: http://www.gnu.org/copyleft/gpl.html.
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** $QT_END_LICENSE$
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****************************************************************************/

#include "qwinrtcursor.h"

#include <wrl.h>
#include <windows.ui.core.h>
#include <windows.foundation.h>
using namespace Microsoft::WRL::Wrappers;
using namespace ABI::Windows::UI::Core;
using namespace ABI::Windows::Foundation;

QT_BEGIN_NAMESPACE

QWinRTCursor::QWinRTCursor(ICoreWindow *window) : m_window(window), m_cursorFactory(nullptr)
{
#ifndef Q_OS_WINPHONE
    GetActivationFactory(HString::MakeReference(RuntimeClass_Windows_UI_Core_CoreCursor).Get(), &m_cursorFactory);
#endif
}

QWinRTCursor::~QWinRTCursor()
{
    if (m_cursorFactory)
        m_cursorFactory->Release();
}

#ifndef QT_NO_CURSOR
void QWinRTCursor::changeCursor(QCursor *windowCursor, QWindow *)
{
#ifndef Q_OS_WINPHONE
    if (!m_cursorFactory)
        return;

    CoreCursorType type;
    switch (windowCursor ? windowCursor->shape() : Qt::ArrowCursor) {
    case Qt::BlankCursor:
        m_window->put_PointerCursor(nullptr);
        return;
    default:
    case Qt::OpenHandCursor:
    case Qt::ClosedHandCursor:
    case Qt::DragCopyCursor:
    case Qt::DragMoveCursor:
    case Qt::DragLinkCursor:
        // (unavailable)
    case Qt::ArrowCursor:
        type = CoreCursorType_Arrow;
        break;
    case Qt::UpArrowCursor:
        type = CoreCursorType_UpArrow;
        break;
    case Qt::CrossCursor:
        type = CoreCursorType_Cross;
        break;
    case Qt::WaitCursor:
    case Qt::BusyCursor:
        type = CoreCursorType_Wait;
        break;
    case Qt::IBeamCursor:
        type = CoreCursorType_IBeam;
        break;
    case Qt::SizeVerCursor:
    case Qt::SplitVCursor:
        type = CoreCursorType_SizeNorthSouth;
        break;
    case Qt::SizeHorCursor:
    case Qt::SplitHCursor:
        type = CoreCursorType_SizeWestEast;
        break;
    case Qt::SizeBDiagCursor:
        type = CoreCursorType_SizeNortheastSouthwest;
        break;
    case Qt::SizeFDiagCursor:
        type = CoreCursorType_SizeNorthwestSoutheast;
        break;
    case Qt::SizeAllCursor:
        type = CoreCursorType_SizeAll;
        break;
    case Qt::PointingHandCursor:
        type = CoreCursorType_Hand;
        break;
    case Qt::ForbiddenCursor:
        type = CoreCursorType_UniversalNo;
        break;
    case Qt::WhatsThisCursor:
        type = CoreCursorType_Help;
        break;
    case Qt::BitmapCursor:
    case Qt::CustomCursor:
        // TODO: figure out if arbitrary bitmaps can be made into resource IDs
        // For now, we don't get enough info from QCursor to set a custom cursor
        type = CoreCursorType_Custom;
        break;
    }

    ICoreCursor *cursor;
    if (SUCCEEDED(m_cursorFactory->CreateCursor(type, 0, &cursor)))
        m_window->put_PointerCursor(cursor);
#else // Q_OS_WINPHONE
    Q_UNUSED(windowCursor)
#endif // Q_OS_WINPHONE
}
#endif // QT_NO_CURSOR

QPoint QWinRTCursor::pos() const
{
#ifdef Q_OS_WINPHONE
    return QPlatformCursor::pos();
#else
    Point point;
    m_window->get_PointerPosition(&point);
    return QPoint(point.X, point.Y);
#endif
}

QT_END_NAMESPACE