cef/include/cef_keyboard_handler.h

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// Copyright (c) 2011 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
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// ---------------------------------------------------------------------------
//
// 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_KEYBOARD_HANDLER_H
#define _CEF_KEYBOARD_HANDLER_H
#include "cef_base.h"
class CefBrowser;
///
// 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:
typedef cef_handler_keyevent_type_t KeyEventType;
///
// Called when the browser component receives a keyboard event. This method
// is called both before the event is passed to the renderer and after
// JavaScript in the page has had a chance to handle the event. |type| is the
// type of keyboard event, |code| is the windows scan-code for the event,
// |modifiers| is a set of bit- flags describing any pressed modifier keys and
// |isSystemKey| is true if Windows considers this a 'system key' message (see
// http://msdn.microsoft.com/en-us/library/ms646286(VS.85).aspx). If
// |isAfterJavaScript| is true then JavaScript in the page has had a chance
// to handle the event and has chosen not to. Only RAWKEYDOWN, KEYDOWN and
// CHAR events will be sent with |isAfterJavaScript| set to true. Return
// true if the keyboard event was handled or false to allow continued handling
// of the event by the renderer.
///
/*--cef()--*/
virtual bool OnKeyEvent(CefRefPtr<CefBrowser> browser,
KeyEventType type,
int code,
int modifiers,
bool isSystemKey,
bool isAfterJavaScript) { return false; }
};
#endif // _CEF_KEYBOARD_HANDLER_H