ash/accelerators/nested_dispatcher_controller.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 ASH_ACCELERATORS_NESTED_DISPATCHER_CONTROLLER_H_
   6 #define ASH_ACCELERATORS_NESTED_DISPATCHER_CONTROLLER_H_
   7
   8 #include "ash/ash_export.h"
   9 #include "base/message_loop.h"
  10 #include "ui/aura/client/dispatcher_client.h"
  11 #include "ui/aura/window.h"
  12
  13 namespace ash {
  14
  15 // Creates a dispatcher which wraps another dispatcher.
  16 // The outer dispatcher runs first and performs ash specific handling.
  17 // If it does not consume the event it forwards the event to the nested
  18 // dispatcher.
  19 class ASH_EXPORT NestedDispatcherController
  20     : public aura::client::DispatcherClient {
  21  public:
  22   NestedDispatcherController();
  23   virtual ~NestedDispatcherController();
  24
  25   virtual void RunWithDispatcher(base::MessageLoop::Dispatcher* dispatcher,
  26                                  aura::Window* associated_window,
  27                                  bool nestable_tasks_allowed) OVERRIDE;
  28
  29  private:
  30   DISALLOW_COPY_AND_ASSIGN(NestedDispatcherController);
  31 };
  32
  33 }  // namespace ash
  34
  35 #endif  // ASH_ACCELERATORS_NESTED_DISPATCHER_CONTROLLER_H_