cef/libcef/browser/file_dialog_runner.h

// Copyright (c) 2012 The Chromium Embedded Framework Authors.
// Portions copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CEF_LIBCEF_BROWSER_FILE_DIALOG_RUNNER_H_
#define CEF_LIBCEF_BROWSER_FILE_DIALOG_RUNNER_H_
#pragma once

#include <vector>

#include "base/callback.h"
#include "base/files/file_path.h"
#include "third_party/blink/public/mojom/choosers/file_chooser.mojom.h"

class AlloyBrowserHostImpl;

class CefFileDialogRunner {
 public:
  CefFileDialogRunner(const CefFileDialogRunner&) = delete;
  CefFileDialogRunner& operator=(const CefFileDialogRunner&) = delete;

  // Extend blink::mojom::FileChooserParams with some options unique to CEF.
  struct FileChooserParams : public blink::mojom::FileChooserParams {
    // 0-based index of the selected value in |accept_types|.
    int selected_accept_filter = 0;

    // True if the Save dialog should prompt before overwriting files.
    bool overwriteprompt = true;

    // True if read-only files should be hidden.
    bool hidereadonly = true;
  };

  // The argument vector will be empty if the dialog was canceled.
  using RunFileChooserCallback =
      base::OnceCallback<void(int, const std::vector<base::FilePath>&)>;

  // Display the file chooser dialog. Execute |callback| on completion.
  virtual void Run(AlloyBrowserHostImpl* browser,
                   const FileChooserParams& params,
                   RunFileChooserCallback callback) = 0;

 protected:
  // Allow deletion via std::unique_ptr only.
  friend std::default_delete<CefFileDialogRunner>;

  CefFileDialogRunner() = default;
  virtual ~CefFileDialogRunner() = default;
};

#endif  // CEF_LIBCEF_BROWSER_FILE_DIALOG_RUNNER_H_