1 // Copyright (c) 2012 Marshall A. Greenblatt. All rights reserved.
3 // Redistribution and use in source and binary forms, with or without
4 // modification, are permitted provided that the following conditions are
7 // * Redistributions of source code must retain the above copyright
8 // notice, this list of conditions and the following disclaimer.
9 // * Redistributions in binary form must reproduce the above
10 // copyright notice, this list of conditions and the following disclaimer
11 // in the documentation and/or other materials provided with the
13 // * Neither the name of Google Inc. nor the name Chromium Embedded
14 // Framework nor the names of its contributors may be used to endorse
15 // or promote products derived from this software without specific prior
16 // written permission.
18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 // ---------------------------------------------------------------------------
32 // The contents of this file must follow a specific format in order to
33 // support the CEF translator tool. See the translator.README.txt file in the
34 // tools directory for more information.
37 #ifndef CEF_INCLUDE_CEF_FOCUS_HANDLER_H_
38 #define CEF_INCLUDE_CEF_FOCUS_HANDLER_H_
41 #include "include/cef_base.h"
42 #include "include/cef_browser.h"
43 #include "include/cef_dom.h"
44 #include "include/cef_frame.h"
47 // Implement this interface to handle events related to focus. The methods of
48 // this class will be called on the UI thread.
50 /*--cef(source=client)--*/
51 class CefFocusHandler : public virtual CefBaseRefCounted {
53 typedef cef_focus_source_t FocusSource;
56 // Called when the browser component is about to loose focus. For instance, if
57 // focus was on the last HTML element and the user pressed the TAB key. |next|
58 // will be true if the browser is giving focus to the next component and false
59 // if the browser is giving focus to the previous component.
62 virtual void OnTakeFocus(CefRefPtr<CefBrowser> browser,
66 // Called when the browser component is requesting focus. |source| indicates
67 // where the focus request is originating from. Return false to allow the
68 // focus to be set or true to cancel setting the focus.
71 virtual bool OnSetFocus(CefRefPtr<CefBrowser> browser,
72 FocusSource source) { return false; }
75 // Called when the browser component has received focus.
78 virtual void OnGotFocus(CefRefPtr<CefBrowser> browser) {}
81 #endif // CEF_INCLUDE_CEF_FOCUS_HANDLER_H_