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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#import <UIKit/UIKit.h>
#include <QtCore/qstandardpaths.h>
#include <QtGui/qwindow.h>
#include <QDebug>
#include <QtCore/private/qcore_mac_p.h>
#include "qiosfiledialog.h"
#include "qiosintegration.h"
#include "qiosoptionalplugininterface.h"
#include "qiosdocumentpickercontroller.h"
using namespace Qt::StringLiterals;
QIOSFileDialog::QIOSFileDialog()
: m_viewController(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) {
if (directory.startsWith("assets-library:"_L1))
return showImagePickerDialog(parent);
else
return showNativeDocumentPickerDialog(parent);
}
return false;
}
bool QIOSFileDialog::showImagePickerDialog(QWindow *parent)
{
if (!m_viewController) {
QFactoryLoader *plugins = QIOSIntegration::instance()->optionalPlugins();
qsizetype size = QList<QPluginParsedMetaData>(plugins->metaData()).size();
for (qsizetype i = 0; i < 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
: qt_apple_sharedApplication().keyWindow;
[window.rootViewController presentViewController:m_viewController animated:YES completion:nil];
return true;
}
bool QIOSFileDialog::showNativeDocumentPickerDialog(QWindow *parent)
{
#ifndef Q_OS_TVOS
if (options()->fileMode() == QFileDialogOptions::Directory ||
options()->fileMode() == QFileDialogOptions::DirectoryOnly)
return false;
m_viewController = [[QIOSDocumentPickerController alloc] initWithQIOSFileDialog:this];
UIWindow *window = parent ? reinterpret_cast<UIView *>(parent->winId()).window
: qt_apple_sharedApplication().keyWindow;
[window.rootViewController presentViewController:m_viewController animated:YES completion:nil];
return true;
#else
return false;
#endif
}
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 = nullptr;
m_eventLoop.exit();
}
QList<QUrl> QIOSFileDialog::selectedFiles() const
{
return m_selection;
}
void QIOSFileDialog::selectedFilesChanged(const QList<QUrl> &selection)
{
m_selection = selection;
emit filesSelected(m_selection);
if (m_selection.count() == 1)
emit fileSelected(m_selection[0]);
}
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