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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWebEngine module 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 "file_picker_controller.h"
#include "type_conversion.h"
#if defined(OS_WIN)
#include "base/files/file_path.h"
#endif
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/browser/file_select_listener.h"
#include <QDir>
#include <QFileInfo>
#include <QMimeDatabase>
#include <QStringList>
#include <QVariant>
namespace QtWebEngineCore {
FilePickerController::FilePickerController(FileChooserMode mode, std::unique_ptr<content::FileSelectListener> listener, const QString &defaultFileName, const QStringList &acceptedMimeTypes, QObject *parent)
: QObject(parent)
, m_defaultFileName(defaultFileName)
, m_acceptedMimeTypes(acceptedMimeTypes)
, m_listener(std::move(listener))
, m_mode(mode)
{
}
FilePickerController::~FilePickerController() = default;
void FilePickerController::accepted(const QStringList &files)
{
QStringList stringList;
stringList.reserve(files.count());
for (const QString &urlString : files) {
// We accept strings on both absolute-path and file-URL form:
if (QDir::isAbsolutePath(urlString)) {
QString absolutePath = QDir::fromNativeSeparators(urlString);
#if defined(OS_WIN)
if (absolutePath.at(0).isLetter() && absolutePath.at(1) == QLatin1Char(':') && !base::FilePath::IsSeparator(absolutePath.at(2).toLatin1()))
qWarning("Ignoring invalid item in FilePickerController::accepted(QStringList): %s", qPrintable(urlString));
else
#endif
stringList.append(absolutePath);
} else {
QUrl url(urlString, QUrl::StrictMode);
if (url.isLocalFile() && QDir::isAbsolutePath(url.toLocalFile())) {
QString absolutePath = url.toLocalFile();
#if defined(OS_WIN)
if (absolutePath.at(0).isLetter() && absolutePath.at(1) == QLatin1Char(':') && !base::FilePath::IsSeparator(absolutePath.at(2).toLatin1()))
qWarning("Ignoring invalid item in FilePickerController::accepted(QStringList): %s", qPrintable(urlString));
else
#endif
stringList.append(absolutePath);
} else
qWarning("Ignoring invalid item in FilePickerController::accepted(QStringList): %s", qPrintable(urlString));
}
}
FilePickerController::filesSelectedInChooser(stringList);
}
void FilePickerController::accepted(const QVariant &files)
{
if (!files.canConvert(QVariant::StringList))
qWarning("An unhandled type '%s' was provided in FilePickerController::accepted(QVariant)", files.typeName());
accepted(files.toStringList());
}
void FilePickerController::rejected()
{
FilePickerController::filesSelectedInChooser(QStringList());
}
static QStringList listRecursively(const QDir &dir)
{
QStringList ret;
const QFileInfoList infoList(dir.entryInfoList(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot | QDir::Hidden));
for (const QFileInfo &fileInfo : infoList) {
if (fileInfo.isDir()) {
ret.append(fileInfo.absolutePath() + QStringLiteral("/.")); // Match chromium's behavior. See chrome/browser/file_select_helper.cc
ret.append(listRecursively(QDir(fileInfo.absoluteFilePath())));
} else
ret.append(fileInfo.absoluteFilePath());
}
return ret;
}
ASSERT_ENUMS_MATCH(FilePickerController::Open, blink::mojom::FileChooserParams_Mode::kOpen)
ASSERT_ENUMS_MATCH(FilePickerController::OpenMultiple, blink::mojom::FileChooserParams_Mode::kOpenMultiple)
ASSERT_ENUMS_MATCH(FilePickerController::UploadFolder, blink::mojom::FileChooserParams_Mode::kUploadFolder)
ASSERT_ENUMS_MATCH(FilePickerController::Save, blink::mojom::FileChooserParams_Mode::kSave)
void FilePickerController::filesSelectedInChooser(const QStringList &filesList)
{
QStringList files(filesList);
if (this->m_mode == UploadFolder && !filesList.isEmpty()
&& QFileInfo(filesList.first()).isDir()) // Enumerate the directory
files = listRecursively(QDir(filesList.first()));
std::vector<blink::mojom::FileChooserFileInfoPtr> chooser_files;
for (const auto &file : qAsConst(files)) {
chooser_files.push_back(blink::mojom::FileChooserFileInfo::NewNativeFile(
blink::mojom::NativeFileInfo::New(toFilePath(file), base::string16())));
}
if (files.isEmpty())
m_listener->FileSelectionCanceled();
else
m_listener->FileSelected(std::move(chooser_files),
/* FIXME? */ base::FilePath(),
static_cast<blink::mojom::FileChooserParams::Mode>(this->m_mode));
}
QStringList FilePickerController::acceptedMimeTypes() const
{
return m_acceptedMimeTypes;
}
FilePickerController::FileChooserMode FilePickerController::mode() const
{
return m_mode;
}
QString FilePickerController::defaultFileName() const
{
return m_defaultFileName;
}
QStringList FilePickerController::nameFilters(const QStringList &acceptedMimeTypes)
{
QStringList nameFilters;
QStringList acceptedGlobs;
QMimeDatabase mimeDatabase;
for (QString type : acceptedMimeTypes) {
if (type.startsWith(".")) {
// A single suffix
// Filename.type doesn't have to exist and mimeTypeForFile() supports
// custom suffixes as valid (but unknown) MIME types.
const QMimeType &mimeType = mimeDatabase.mimeTypeForFile("filename" + type);
if (mimeType.isValid()) {
QString glob = "*" + type;
acceptedGlobs.append(glob);
nameFilters.append(mimeType.comment() + " (" + glob + ")");
}
} else if (type.contains("/") && !type.endsWith("*")) {
// All suffixes for a given MIME type
const QMimeType &mimeType = mimeDatabase.mimeTypeForName(type);
if (mimeType.isValid() && !mimeType.globPatterns().isEmpty()) {
QString globs = mimeType.globPatterns().join(" ");
acceptedGlobs.append(globs);
nameFilters.append(mimeType.comment() + " (" + globs + ")");
}
} else if (type.endsWith("/*")) {
// All MIME types for audio/*, image/* or video/*
// as separate filters as Chrome does
static const QList<QMimeType> &allMimeTypes = mimeDatabase.allMimeTypes();
type = type.remove("/*");
for (const QMimeType &m : allMimeTypes) {
if (m.name().startsWith(type) && !m.globPatterns().isEmpty()) {
QString globs = m.globPatterns().join(" ");
acceptedGlobs.append(globs);
nameFilters.append(m.comment() + " (" + globs + ")");
}
}
} else {
NOTREACHED();
}
}
nameFilters.prepend(QObject::tr("Accepted types") + " (" + acceptedGlobs.join(" ") + ")");
return nameFilters;
}
} // namespace
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