1 // Copyright (c) 2012 Marshall A. Greenblatt. All rights reserved. 2 // 3 // Redistribution and use in source and binary forms, with or without 4 // modification, are permitted provided that the following conditions are 5 // met: 6 // 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 12 // distribution. 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. 17 // 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. 29 // 30 // --------------------------------------------------------------------------- 31 // 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. 35 // 36 37 #ifndef CEF_INCLUDE_CEF_FOCUS_HANDLER_H_ 38 #define CEF_INCLUDE_CEF_FOCUS_HANDLER_H_ 39 #pragma once 40 41 #include "include/cef_base.h" 42 #include "include/cef_browser.h" 43 #include "include/cef_dom.h" 44 #include "include/cef_frame.h" 45 46 /// 47 // Implement this interface to handle events related to focus. The methods of 48 // this class will be called on the UI thread. 49 /// 50 /*--cef(source=client)--*/ 51 class CefFocusHandler : public virtual CefBaseRefCounted { 52 public: 53 typedef cef_focus_source_t FocusSource; 54 55 /// 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. 60 /// 61 /*--cef()--*/ OnTakeFocus(CefRefPtr<CefBrowser> browser,bool next)62 virtual void OnTakeFocus(CefRefPtr<CefBrowser> browser, bool next) {} 63 64 /// 65 // Called when the browser component is requesting focus. |source| indicates 66 // where the focus request is originating from. Return false to allow the 67 // focus to be set or true to cancel setting the focus. 68 /// 69 /*--cef()--*/ OnSetFocus(CefRefPtr<CefBrowser> browser,FocusSource source)70 virtual bool OnSetFocus(CefRefPtr<CefBrowser> browser, FocusSource source) { 71 return false; 72 } 73 74 /// 75 // Called when the browser component has received focus. 76 /// 77 /*--cef()--*/ OnGotFocus(CefRefPtr<CefBrowser> browser)78 virtual void OnGotFocus(CefRefPtr<CefBrowser> browser) {} 79 }; 80 81 #endif // CEF_INCLUDE_CEF_FOCUS_HANDLER_H_ 82