ui/views/controls/webview/unhandled_keyboard_event_handler.h

   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_