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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#import <UIKit/UIKit.h>
#include <QtCore/qstandardpaths.h>
#include <QtGui/qwindow.h>
#include <QDebug>
#include "qiosfiledialog.h"
#include "qiosintegration.h"
#include "qiosoptionalplugininterface.h"
QIOSFileDialog::QIOSFileDialog()
: m_viewController(Q_NULLPTR)
{
}
QIOSFileDialog::~QIOSFileDialog()
{
[m_viewController release];
}
void QIOSFileDialog::exec()
{
m_eventLoop.exec(QEventLoop::DialogExec);
}
bool QIOSFileDialog::show(Qt::WindowFlags windowFlags, Qt::WindowModality windowModality, QWindow *parent)
{
Q_UNUSED(windowFlags);
Q_UNUSED(windowModality);
bool acceptOpen = options()->acceptMode() == QFileDialogOptions::AcceptOpen;
QString directory = options()->initialDirectory().toLocalFile();
if (acceptOpen && directory.startsWith(QLatin1String("assets-library:")))
return showImagePickerDialog(parent);
return false;
}
bool QIOSFileDialog::showImagePickerDialog(QWindow *parent)
{
if (!m_viewController) {
QFactoryLoader *plugins = QIOSIntegration::instance()->optionalPlugins();
for (int i = 0; i < plugins->metaData().size(); ++i) {
QIosOptionalPluginInterface *plugin = qobject_cast<QIosOptionalPluginInterface *>(plugins->instance(i));
m_viewController = [plugin->createImagePickerController(this) retain];
if (m_viewController)
break;
}
}
if (!m_viewController) {
qWarning() << "QIOSFileDialog: Could not resolve Qt plugin that gives access to photos on iOS";
return false;
}
UIWindow *window = parent ? reinterpret_cast<UIView *>(parent->winId()).window
: [UIApplication sharedApplication].keyWindow;
[window.rootViewController presentViewController:m_viewController animated:YES completion:nil];
return true;
}
void QIOSFileDialog::hide()
{
// QFileDialog will remember the last directory set, and open subsequent dialogs in the same
// directory for convenience. This works for normal file dialogs, but not when using native
// pickers. Those can only be used for picking specific types, without support for normal file
// system navigation. To avoid showing a native picker by accident, we change directory back
// before we return. More could have been done to preserve the "last directory" logic here, but
// navigating the file system on iOS is not recommended in the first place, so we keep it simple.
emit directoryEntered(QUrl::fromLocalFile(QDir::currentPath()));
[m_viewController dismissViewControllerAnimated:YES completion:nil];
[m_viewController release];
m_viewController = Q_NULLPTR;
m_eventLoop.exit();
}
QList<QUrl> QIOSFileDialog::selectedFiles() const
{
return m_selection;
}
void QIOSFileDialog::selectedFilesChanged(QList<QUrl> selection)
{
m_selection = selection;
emit filesSelected(m_selection);
if (m_selection.count() == 1)
emit fileSelected(m_selection[0]);
}
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