// Copyright (c) 2014 The Chromium Embedded Framework Authors. All rights

// reserved. Use of this source code is governed by a BSD-style license that

// can be found in the LICENSE file.

package tests.detailed.handler;

import org.cef.browser.CefBrowser;

import org.cef.handler.CefKeyboardHandlerAdapter;

public class KeyboardHandler extends CefKeyboardHandlerAdapter {

@Override

public boolean onKeyEvent(CefBrowser browser, CefKeyEvent event) {

if (!event.focus_on_editable_field && event.windows_key_code == 0x20) {

// Special handling for the space character when an input element does not

// have focus. Handling the event in OnPreKeyEvent() keeps the event from

// being processed in the renderer. If we instead handled the event in the

// OnKeyEvent() method the space key would cause the window to scroll in

// addition to showing the alert box.

if (event.type == CefKeyEvent.EventType.KEYEVENT_RAWKEYDOWN) {

browser.executeJavaScript("alert('You pressed the space bar!');", "", 0);

}

return true;

} else if (event.type == CefKeyEvent.EventType.KEYEVENT_RAWKEYDOWN && event.is_system_key) {

// CMD+[key] is not working on a Mac.

// This switch statement delegates the common keyboard shortcuts to the browser

switch (event.unmodified_character) {

case 'a':

browser.getFocusedFrame().selectAll();

break;

case 'c':

browser.getFocusedFrame().copy();

break;

case 'v':

browser.getFocusedFrame().paste();

break;

case 'x':

browser.getFocusedFrame().cut();

break;

case 'z':

browser.getFocusedFrame().undo();

break;

case 'Z':

browser.getFocusedFrame().redo();

break;

default:

return false;

}

return true;

}

return false;

}

}