/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** 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
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "resourcebuilder_p.h"
#include "ui4_p.h"
#include <QtCore/QVariant>
#include <QtCore/QFileInfo>
#include <QtCore/QDir>
#include <QtCore/QDebug>
#include <QtGui/QPixmap>
#include <QtGui/QIcon>

QT_BEGIN_NAMESPACE

#ifdef QFORMINTERNAL_NAMESPACE
namespace QFormInternal {
#endif

enum { themeDebug = 0 };

QResourceBuilder::QResourceBuilder()
{

}

QResourceBuilder::~QResourceBuilder()
{

}

int QResourceBuilder::iconStateFlags(const DomResourceIcon *dpi)
{
    int rc = 0;
    if (dpi->hasElementNormalOff())
        rc |= NormalOff;
    if (dpi->hasElementNormalOn())
        rc |= NormalOn;
    if (dpi->hasElementDisabledOff())
        rc |= DisabledOff;
    if (dpi->hasElementDisabledOn())
        rc |= DisabledOn;
    if (dpi->hasElementActiveOff())
        rc |= ActiveOff;
    if (dpi->hasElementActiveOn())
        rc |= ActiveOn;
    if (dpi->hasElementSelectedOff())
        rc |= SelectedOff;
    if (dpi->hasElementSelectedOn())
        rc |= SelectedOn;
    return rc;
}

QVariant QResourceBuilder::loadResource(const QDir &workingDirectory, const DomProperty *property) const
{
    switch (property->kind()) {
        case DomProperty::Pixmap: {
            const DomResourcePixmap *dpx = property->elementPixmap();
            QPixmap pixmap(QFileInfo(workingDirectory, dpx->text()).absoluteFilePath());
            return QVariant::fromValue(pixmap);
        }
        case DomProperty::IconSet: {
            const DomResourceIcon *dpi = property->elementIconSet();
            if (!dpi->attributeTheme().isEmpty()) {
                const QString theme = dpi->attributeTheme();
                const bool known = QIcon::hasThemeIcon(theme);
                if (themeDebug)
                    qDebug("Theme %s known %d", qPrintable(theme), known);
                if (known)
                    return qVariantFromValue(QIcon::fromTheme(dpi->attributeTheme()));
            } // non-empty theme
            if (const int flags = iconStateFlags(dpi)) { // new, post 4.4 format
                QIcon icon;
                if (flags & NormalOff)
                    icon.addFile(QFileInfo(workingDirectory, dpi->elementNormalOff()->text()).absoluteFilePath(), QSize(), QIcon::Normal, QIcon::Off);
                if (flags & NormalOn)
                    icon.addFile(QFileInfo(workingDirectory, dpi->elementNormalOn()->text()).absoluteFilePath(), QSize(), QIcon::Normal, QIcon::On);
                if (flags & DisabledOff)
                    icon.addFile(QFileInfo(workingDirectory, dpi->elementDisabledOff()->text()).absoluteFilePath(), QSize(), QIcon::Disabled, QIcon::Off);
                if (flags & DisabledOn)
                    icon.addFile(QFileInfo(workingDirectory, dpi->elementDisabledOn()->text()).absoluteFilePath(), QSize(), QIcon::Disabled, QIcon::On);
                if (flags & ActiveOff)
                    icon.addFile(QFileInfo(workingDirectory, dpi->elementActiveOff()->text()).absoluteFilePath(), QSize(), QIcon::Active, QIcon::Off);
                if (flags & ActiveOn)
                    icon.addFile(QFileInfo(workingDirectory, dpi->elementActiveOn()->text()).absoluteFilePath(), QSize(), QIcon::Active, QIcon::On);
                if (flags & SelectedOff)
                    icon.addFile(QFileInfo(workingDirectory, dpi->elementSelectedOff()->text()).absoluteFilePath(), QSize(), QIcon::Selected, QIcon::Off);
                if (flags & SelectedOn)
                    icon.addFile(QFileInfo(workingDirectory, dpi->elementSelectedOn()->text()).absoluteFilePath(), QSize(), QIcon::Selected, QIcon::On);
                return QVariant::fromValue(icon);
            } else { // 4.3 legacy
                const QIcon icon(QFileInfo(workingDirectory, dpi->text()).absoluteFilePath());
                return QVariant::fromValue(icon);
            }
        }
            break;
        default:
            break;
    }
    return QVariant();
}

QVariant QResourceBuilder::toNativeValue(const QVariant &value) const
{
    return value;
}

DomProperty *QResourceBuilder::saveResource(const QDir &workingDirectory, const QVariant &value) const
{
    Q_UNUSED(workingDirectory)
    Q_UNUSED(value)
    return 0;
}

bool QResourceBuilder::isResourceProperty(const DomProperty *p) const
{
    switch (p->kind()) {
        case DomProperty::Pixmap:
        case DomProperty::IconSet:
            return true;
        default:
            break;
    }
    return false;
}

bool QResourceBuilder::isResourceType(const QVariant &value) const
{
    switch (value.type()) {
        case QVariant::Pixmap:
        case QVariant::Icon:
            return true;
        default:
            break;
    }
    return false;
}

#ifdef QFORMINTERNAL_NAMESPACE
} // namespace QFormInternal
#endif

QT_END_NAMESPACE
