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      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/basictypes.h"
      9 #include "ui/views/controls/webview/webview_export.h"
     10 
     11 namespace content {
     12 struct NativeWebKeyboardEvent;
     13 }
     14 
     15 namespace views {
     16 class FocusManager;
     17 
     18 // This class handles unhandled keyboard messages coming back from the renderer
     19 // process.
     20 class WEBVIEW_EXPORT UnhandledKeyboardEventHandler {
     21  public:
     22   UnhandledKeyboardEventHandler();
     23   ~UnhandledKeyboardEventHandler();
     24 
     25   void HandleKeyboardEvent(const content::NativeWebKeyboardEvent& event,
     26                            FocusManager* focus_manager);
     27 
     28  private:
     29   // Whether to ignore the next Char keyboard event.
     30   // If a RawKeyDown event was handled as a shortcut key, then we're done
     31   // handling it and should eat any Char event that the translate phase may
     32   // have produced from it. (Handling this event may cause undesirable effects,
     33   // such as a beep if DefWindowProc() has no default handling for the given
     34   // Char.)
     35   bool ignore_next_char_event_;
     36 
     37   DISALLOW_COPY_AND_ASSIGN(UnhandledKeyboardEventHandler);
     38 };
     39 
     40 }  // namespace views
     41 
     42 #endif  // UI_VIEWS_CONTROLS_WEBVIEW_UNHANDLED_KEYBOARD_EVENT_HANDLER_H_
     43