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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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qiosfiledialog.h"
+
+#import <UIKit/UIKit.h>
+
+#include <QtCore/qstandardpaths.h>
+#include <QtGui/qwindow.h>
+
+@interface QIOSImagePickerController : UIImagePickerController <UIImagePickerControllerDelegate, UINavigationControllerDelegate> {
+ QIOSFileDialog *m_fileDialog;
+}
+@end
+
+@implementation QIOSImagePickerController
+
+- (id)initWithQIOSFileDialog:(QIOSFileDialog *)fileDialog
+{
+ self = [super init];
+ if (self) {
+ m_fileDialog = fileDialog;
+ [self setSourceType:UIImagePickerControllerSourceTypePhotoLibrary];
+ [self setDelegate:self];
+ }
+ return self;
+}
+
+- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
+{
+ Q_UNUSED(picker);
+ NSURL *url = [info objectForKey:UIImagePickerControllerReferenceURL];
+ QUrl fileUrl = QUrl::fromLocalFile(QString::fromNSString([url description]));
+ m_fileDialog->selectedFilesChanged(QList<QUrl>() << fileUrl);
+ emit m_fileDialog->accept();
+}
+
+- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
+{
+ Q_UNUSED(picker)
+ emit m_fileDialog->reject();
+}
+
+@end
+
+// --------------------------------------------------------------------------
+
+QIOSFileDialog::QIOSFileDialog()
+ : m_viewController(0)
+{
+}
+
+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:"))) {
+ m_viewController = [[QIOSImagePickerController alloc] initWithQIOSFileDialog:this];
+ UIWindow *window = parent ? reinterpret_cast<UIView *>(parent->winId()).window
+ : [UIApplication sharedApplication].keyWindow;
+ [window.rootViewController presentViewController:m_viewController animated:YES completion:nil];
+ return true;
+ }
+
+ return false;
+}
+
+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_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]);
+}