1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CHROME_BROWSER_CHROME_SELECT_FILE_DIALOG_FACTORY_WIN_H_
6#define CHROME_BROWSER_CHROME_SELECT_FILE_DIALOG_FACTORY_WIN_H_
7
8#include "base/compiler_specific.h"
9#include "base/macros.h"
10#include "base/memory/ref_counted.h"
11#include "ui/shell_dialogs/select_file_dialog_factory.h"
12
13namespace base {
14class SequencedTaskRunner;
15}  // namespace base
16
17// Implements a Select File dialog that delegates to a Metro file picker on
18// Metro and to a utility process otherwise. The utility process is used in
19// order to isolate the Chrome browser process from potential instability
20// caused by Shell extension modules loaded by GetOpenFileName.
21class ChromeSelectFileDialogFactory : public ui::SelectFileDialogFactory {
22 public:
23  // Uses |blocking_task_runner| to perform IPC with the utility process.
24  explicit ChromeSelectFileDialogFactory(
25      const scoped_refptr<base::SequencedTaskRunner>& blocking_task_runner);
26  virtual ~ChromeSelectFileDialogFactory();
27
28  // ui::SelectFileDialogFactory implementation
29  virtual ui::SelectFileDialog* Create(ui::SelectFileDialog::Listener* listener,
30                                       ui::SelectFilePolicy* policy) OVERRIDE;
31
32 private:
33  scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
34
35  DISALLOW_COPY_AND_ASSIGN(ChromeSelectFileDialogFactory);
36};
37
38#endif  // CHROME_BROWSER_CHROME_SELECT_FILE_DIALOG_FACTORY_WIN_H_
39