| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef ASH_ACCELERATORS_ACCELERATOR_DISPATCHER_H_ |
| #define ASH_ACCELERATORS_ACCELERATOR_DISPATCHER_H_ |
| |
| #include "ash/ash_export.h" |
| #include "base/message_loop.h" |
| #include "ui/aura/window.h" |
| #include "ui/aura/window_observer.h" |
| |
| namespace ash { |
| |
| // Dispatcher for handling accelerators in ash. |
| // Wraps a nested dispatcher to which control is passed if no accelerator key |
| // has been pressed. |
| // TODO(pkotwicz): Port AcceleratorDispatcher to mac. |
| // TODO(pkotwicz): Add support for a |nested_dispatcher| which sends |
| // events to a system IME. |
| class ASH_EXPORT AcceleratorDispatcher : public MessageLoop::Dispatcher, |
| public aura::WindowObserver { |
| public: |
| AcceleratorDispatcher(MessageLoop::Dispatcher* nested_dispatcher, |
| aura::Window* associated_window); |
| virtual ~AcceleratorDispatcher(); |
| |
| // MessageLoop::Dispatcher overrides: |
| virtual bool Dispatch(const base::NativeEvent& event) OVERRIDE; |
| |
| // aura::WindowObserver overrides: |
| virtual void OnWindowDestroying(aura::Window* window) OVERRIDE; |
| |
| private: |
| MessageLoop::Dispatcher* nested_dispatcher_; |
| |
| // Window associated with |nested_dispatcher_| which is used to determine |
| // whether the |nested_dispatcher_| is allowed to receive events. |
| aura::Window* associated_window_; |
| |
| DISALLOW_COPY_AND_ASSIGN(AcceleratorDispatcher); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_ACCELERATORS_ACCELERATOR_DISPATCHER_H_ |