1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef UI_VIEWS_CONTROLS_WEBVIEW_UNHANDLED_KEYBOARD_EVENT_HANDLER_H_
6 #define UI_VIEWS_CONTROLS_WEBVIEW_UNHANDLED_KEYBOARD_EVENT_HANDLER_H_
7 
8 #include "base/macros.h"
9 #include "ui/gfx/native_widget_types.h"
10 #include "ui/views/controls/webview/webview_export.h"
11 
12 namespace content {
13 struct NativeWebKeyboardEvent;
14 }
15 
16 namespace views {
17 class FocusManager;
18 
19 // This class handles unhandled keyboard messages coming back from the renderer
20 // process.
21 class WEBVIEW_EXPORT UnhandledKeyboardEventHandler {
22  public:
23   UnhandledKeyboardEventHandler();
24   ~UnhandledKeyboardEventHandler();
25 
26   bool HandleKeyboardEvent(const content::NativeWebKeyboardEvent& event,
27                            FocusManager* focus_manager);
28 
29  private:
30   // Platform specific handling for unhandled keyboard events.
31   static bool HandleNativeKeyboardEvent(gfx::NativeEvent event,
32                                         FocusManager* focus_manager);
33 
34   // Whether to ignore the next Char keyboard event.
35   // If a RawKeyDown event was handled as a shortcut key, then we're done
36   // handling it and should eat any Char event that the translate phase may
37   // have produced from it. (Handling this event may cause undesirable effects,
38   // such as a beep if DefWindowProc() has no default handling for the given
39   // Char.)
40   bool ignore_next_char_event_ = false;
41 
42   DISALLOW_COPY_AND_ASSIGN(UnhandledKeyboardEventHandler);
43 };
44 
45 }  // namespace views
46 
47 #endif  // UI_VIEWS_CONTROLS_WEBVIEW_UNHANDLED_KEYBOARD_EVENT_HANDLER_H_
48