cef/include/cef_keyboard_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_KEYBOARD_HANDLER_H_
#define CEF_INCLUDE_CEF_KEYBOARD_HANDLER_H_
#pragma once

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

///
// Implement this interface to handle events related to keyboard input. The
// methods of this class will be called on the UI thread.
///
/*--cef(source=client)--*/
class CefKeyboardHandler : public virtual CefBase {
 public:
  ///
  // Called before a keyboard event is sent to the renderer. |event| contains
  // information about the keyboard event. |os_event| is the operating system
  // event message, if any. Return true if the event was handled or false
  // otherwise. If the event will be handled in OnKeyEvent() as a keyboard
  // shortcut set |is_keyboard_shortcut| to true and return false.
  ///
  /*--cef()--*/
  virtual bool OnPreKeyEvent(CefRefPtr<CefBrowser> browser,
                             const CefKeyEvent& event,
                             CefEventHandle os_event,
                             bool* is_keyboard_shortcut) { return false; }

  ///
  // Called after the renderer and JavaScript in the page has had a chance to
  // handle the event. |event| contains information about the keyboard event.
  // |os_event| is the operating system event message, if any. Return true if
  // the keyboard event was handled or false otherwise.
  ///
  /*--cef()--*/
  virtual bool OnKeyEvent(CefRefPtr<CefBrowser> browser,
                          const CefKeyEvent& event,
                          CefEventHandle os_event) { return false; }
};

#endif  // CEF_INCLUDE_CEF_KEYBOARD_HANDLER_H_