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/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   void HandleKeyboardEvent(const content::NativeWebKeyboardEvent& event,
  27                            FocusManager* focus_manager);
  28
  29  private:
  30   // Platform specific handling for unhandled keyboard events.
  31   static void 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_;
  41
  42   DISALLOW_COPY_AND_ASSIGN(UnhandledKeyboardEventHandler);
  43 };
  44
  45 }  // namespace views
  46
  47 #endif  // UI_VIEWS_CONTROLS_WEBVIEW_UNHANDLED_KEYBOARD_EVENT_HANDLER_H_