cef/include/cef_dialog_handler.h

// Copyright (c) 2012 Marshall A. Greenblatt. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//    * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//    * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//    * Neither the name of Google Inc. nor the name Chromium Embedded
// Framework nor the names of its contributors may be used to endorse
// or promote products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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//
// ---------------------------------------------------------------------------
//
// The contents of this file must follow a specific format in order to
// support the CEF translator tool. See the translator.README.txt file in the
// tools directory for more information.
//

#ifndef CEF_INCLUDE_CEF_DIALOG_HANDLER_H_
#define CEF_INCLUDE_CEF_DIALOG_HANDLER_H_
#pragma once

#include "include/cef_base.h"
#include "include/cef_browser.h"

///
// Callback interface for asynchronous continuation of file dialog requests.
///
/*--cef(source=library)--*/
class CefFileDialogCallback : public virtual CefBaseRefCounted {
 public:
  ///
  // Continue the file selection. |selected_accept_filter| should be the 0-based
  // index of the value selected from the accept filters array passed to
  // CefDialogHandler::OnFileDialog. |file_paths| should be a single value or a
  // list of values depending on the dialog mode. An empty |file_paths| value is
  // treated the same as calling Cancel().
  ///
  /*--cef(capi_name=cont,index_param=selected_accept_filter,
          optional_param=file_paths)--*/
  virtual void Continue(int selected_accept_filter,
                        const std::vector<CefString>& file_paths) =0;

  ///
  // Cancel the file selection.
  ///
  /*--cef()--*/
  virtual void Cancel() =0;
};


///
// Implement this interface to handle dialog events. The methods of this class
// will be called on the browser process UI thread.
///
/*--cef(source=client)--*/
class CefDialogHandler : public virtual CefBaseRefCounted {
 public:
  typedef cef_file_dialog_mode_t FileDialogMode;

  ///
  // Called to run a file chooser dialog. |mode| represents the type of dialog
  // to display. |title| to the title to be used for the dialog and may be empty
  // to show the default title ("Open" or "Save" depending on the mode).
  // |default_file_path| is the path with optional directory and/or file name
  // component that should be initially selected in the dialog. |accept_filters|
  // are used to restrict the selectable file types and may any combination of
  // (a) valid lower-cased MIME types (e.g. "text/*" or "image/*"),
  // (b) individual file extensions (e.g. ".txt" or ".png"), or (c) combined
  // description and file extension delimited using "|" and ";" (e.g.
  // "Image Types|.png;.gif;.jpg"). |selected_accept_filter| is the 0-based
  // index of the filter that should be selected by default. To display a custom
  // dialog return true and execute |callback| either inline or at a later time.
  // To display the default dialog return false.
  ///
  /*--cef(optional_param=title,optional_param=default_file_path,
          optional_param=accept_filters,index_param=selected_accept_filter)--*/
  virtual bool OnFileDialog(CefRefPtr<CefBrowser> browser,
                            FileDialogMode mode,
                            const CefString& title,
                            const CefString& default_file_path,
                            const std::vector<CefString>& accept_filters,
                            int selected_accept_filter,
                            CefRefPtr<CefFileDialogCallback> callback) {
    return false;
  }
};

#endif  // CEF_INCLUDE_CEF_DIALOG_HANDLER_H_