ui/views/controls/menu/menu_event_dispatcher.h

   1 // Copyright 2014 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_MENU_MENU_EVENT_DISPATCHER_H_
   6 #define UI_VIEWS_CONTROLS_MENU_MENU_EVENT_DISPATCHER_H_
   7
   8 #include "base/macros.h"
   9 #include "ui/events/platform/platform_event_dispatcher.h"
  10
  11 namespace views {
  12
  13 class MenuController;
  14
  15 namespace internal {
  16
  17 // A message-pump dispatcher object used to dispatch events from the nested
  18 // message-loop initiated by the MenuController.
  19 class MenuEventDispatcher : public ui::PlatformEventDispatcher {
  20  public:
  21   explicit MenuEventDispatcher(MenuController* menu_controller);
  22   ~MenuEventDispatcher() override;
  23
  24  private:
  25   // ui::PlatformEventDispatcher:
  26   bool CanDispatchEvent(const ui::PlatformEvent& event) override;
  27   uint32_t DispatchEvent(const ui::PlatformEvent& event) override;
  28
  29   MenuController* menu_controller_;
  30
  31   DISALLOW_COPY_AND_ASSIGN(MenuEventDispatcher);
  32 };
  33
  34 }  // namespace internal
  35 }  // namespace views
  36
  37 #endif  // UI_VIEWS_CONTROLS_MENU_MENU_EVENT_DISPATCHER_H_