/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "downloadmanagerwidget.h"

#include "browser.h"
#include "browserwindow.h"
#include "downloadwidget.h"

#include <QFileDialog>
#include <QDir>
#include <QWebEngineDownloadItem>

DownloadManagerWidget::DownloadManagerWidget(QWidget *parent)
    : QWidget(parent)
    , m_numDownloads(0)
{
    setupUi(this);
}

void DownloadManagerWidget::downloadRequested(QWebEngineDownloadItem *download)
{
    Q_ASSERT(download && download->state() == QWebEngineDownloadItem::DownloadRequested);

#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
    QString path = QFileDialog::getSaveFileName(this, tr("Save as"), QDir(download->downloadDirectory()).filePath(download->downloadFileName()));
#else
    QString path = QFileDialog::getSaveFileName(this, tr("Save as"), download->path());
#endif
    if (path.isEmpty())
        return;

#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
    download->setDownloadDirectory(QFileInfo(path).path());
    download->setDownloadFileName(QFileInfo(path).fileName());
#else
    download->setPath(path);
#endif
    download->accept();
    add(new DownloadWidget(download));

    show();
}

void DownloadManagerWidget::add(DownloadWidget *downloadWidget)
{
    connect(downloadWidget, &DownloadWidget::removeClicked, this, &DownloadManagerWidget::remove);
    m_itemsLayout->insertWidget(0, downloadWidget, 0, Qt::AlignTop);
    if (m_numDownloads++ == 0)
        m_zeroItemsLabel->hide();
}

void DownloadManagerWidget::remove(DownloadWidget *downloadWidget)
{
    m_itemsLayout->removeWidget(downloadWidget);
    downloadWidget->deleteLater();
    if (--m_numDownloads == 0)
        m_zeroItemsLabel->show();
}