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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_FILE_SYSTEM_ACCESS_FILE_SYSTEM_CHOOSER_H_
#define CONTENT_BROWSER_FILE_SYSTEM_ACCESS_FILE_SYSTEM_CHOOSER_H_
#include <string>
#include <vector>
#include "base/files/file_path.h"
#include "base/functional/callback_helpers.h"
#include "base/sequence_checker.h"
#include "base/task/task_runner.h"
#include "base/thread_annotations.h"
#include "build/build_config.h"
#include "content/common/content_export.h"
#include "content/public/browser/file_system_access_permission_context.h"
#include "third_party/blink/public/mojom/file_system_access/file_system_access_manager.mojom.h"
#include "ui/shell_dialogs/select_file_dialog.h"
namespace content {
class WebContents;
// This is a ui::SelectFileDialog::Listener implementation that grants access to
// the selected files to a specific renderer process on success, and then calls
// a callback on a specific task runner. Furthermore the listener will delete
// itself when any of its listener methods are called.
// All of this class has to be called on the UI thread.
class CONTENT_EXPORT FileSystemChooser : public ui::SelectFileDialog::Listener {
public:
using ResultCallback =
base::OnceCallback<void(blink::mojom::FileSystemAccessErrorPtr,
std::vector<content::PathInfo>)>;
class CONTENT_EXPORT Options {
public:
Options(ui::SelectFileDialog::Type type,
blink::mojom::AcceptsTypesInfoPtr accepts_types_info,
std::u16string title,
base::FilePath default_directory,
base::FilePath suggested_name);
Options(const Options&);
~Options();
ui::SelectFileDialog::Type type() const { return type_; }
const ui::SelectFileDialog::FileTypeInfo& file_type_info() const {
return file_types_;
}
#if BUILDFLAG(IS_ANDROID)
const std::vector<std::u16string>& mime_types() const {
return mime_types_;
}
#endif
const std::u16string& title() const { return title_; }
const base::FilePath& default_path() const { return default_path_; }
int default_file_type_index() const { return default_file_type_index_; }
private:
base::FilePath ResolveSuggestedNameExtension(
base::FilePath suggested_name,
ui::SelectFileDialog::FileTypeInfo& file_types);
ui::SelectFileDialog::Type type_;
ui::SelectFileDialog::FileTypeInfo file_types_;
int default_file_type_index_ = 0;
#if BUILDFLAG(IS_ANDROID)
std::vector<std::u16string> mime_types_;
#endif
std::u16string title_;
// Combination of optional default_directory and optional suggested_name.
// Wiill end with a trailing separator if suggested_name is empty.
base::FilePath default_path_;
};
static void CreateAndShow(WebContents* web_contents,
const Options& options,
ResultCallback callback,
base::ScopedClosureRunner fullscreen_block);
// Returns whether the specified extension receives special handling by the
// Windows shell. These extensions should be sanitized before being shown in
// the "save as" file picker.
static bool IsShellIntegratedExtension(
const base::FilePath::StringType& extension);
FileSystemChooser(ui::SelectFileDialog::Type type,
ResultCallback callback,
base::ScopedClosureRunner fullscreen_block);
private:
~FileSystemChooser() override;
// ui::SelectFileDialog::Listener:
void FileSelected(const ui::SelectedFileInfo& file, int index) override;
void MultiFilesSelected(
const std::vector<ui::SelectedFileInfo>& files) override;
void FileSelectionCanceled() override;
SEQUENCE_CHECKER(sequence_checker_);
const ui::SelectFileDialog::Type type_;
ResultCallback callback_ GUARDED_BY_CONTEXT(sequence_checker_);
base::ScopedClosureRunner fullscreen_block_
GUARDED_BY_CONTEXT(sequence_checker_);
scoped_refptr<ui::SelectFileDialog> dialog_;
};
} // namespace content
#endif // CONTENT_BROWSER_FILE_SYSTEM_ACCESS_FILE_SYSTEM_CHOOSER_H_
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