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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef ASH_ACCELERATORS_ACCELERATOR_DISPATCHER_H_ | 5 #ifndef ASH_ACCELERATORS_ACCELERATOR_DISPATCHER_H_ |
6 #define ASH_ACCELERATORS_ACCELERATOR_DISPATCHER_H_ | 6 #define ASH_ACCELERATORS_ACCELERATOR_DISPATCHER_H_ |
7 | 7 |
8 #include "ash/ash_export.h" | 8 #include "ash/ash_export.h" |
9 #include "base/message_loop/message_pump_dispatcher.h" | 9 #include "base/message_loop/message_pump_dispatcher.h" |
10 #include "ui/aura/window.h" | 10 #include "ui/aura/window.h" |
11 #include "ui/aura/window_observer.h" | 11 #include "ui/aura/window_observer.h" |
12 | 12 |
13 namespace ash { | 13 namespace ash { |
14 | 14 |
15 // Dispatcher for handling accelerators from menu. | 15 // Dispatcher for handling accelerators from menu. |
16 // | 16 // |
17 // Wraps a nested dispatcher to which control is passed if no accelerator key | 17 // Wraps a nested dispatcher to which control is passed if no accelerator key |
18 // has been pressed. | 18 // has been pressed. If the nested dispatcher is NULL, then the control is |
19 // TODO(pkotwicz): Port AcceleratorDispatcher to mac. | 19 // passed back to the default dispatcher. |
20 // TODO(pkotwicz): Add support for a |nested_dispatcher| which sends | 20 // TODO(pkotwicz): Add support for a |nested_dispatcher| which sends |
21 // events to a system IME. | 21 // events to a system IME. |
22 class ASH_EXPORT AcceleratorDispatcher : public base::MessagePumpDispatcher, | 22 class ASH_EXPORT AcceleratorDispatcher : public base::MessagePumpDispatcher, |
23 public aura::WindowObserver { | 23 public aura::WindowObserver { |
24 public: | 24 public: |
25 AcceleratorDispatcher(base::MessagePumpDispatcher* nested_dispatcher, | 25 AcceleratorDispatcher(base::MessagePumpDispatcher* nested_dispatcher, |
26 aura::Window* associated_window); | 26 aura::Window* associated_window); |
27 virtual ~AcceleratorDispatcher(); | 27 virtual ~AcceleratorDispatcher(); |
28 | 28 |
29 // MessagePumpDispatcher overrides: | 29 // MessagePumpDispatcher overrides: |
30 virtual uint32_t Dispatch(const base::NativeEvent& event) OVERRIDE; | 30 virtual uint32_t Dispatch(const base::NativeEvent& event) OVERRIDE; |
31 | 31 |
32 // aura::WindowObserver overrides: | 32 // aura::WindowObserver overrides: |
33 virtual void OnWindowDestroying(aura::Window* window) OVERRIDE; | 33 virtual void OnWindowDestroying(aura::Window* window) OVERRIDE; |
34 | 34 |
35 private: | 35 private: |
36 base::MessagePumpDispatcher* nested_dispatcher_; | 36 base::MessagePumpDispatcher* nested_dispatcher_; |
37 | 37 |
38 // Window associated with |nested_dispatcher_| which is used to determine | 38 // Window associated with |nested_dispatcher_| which is used to determine |
39 // whether the |nested_dispatcher_| is allowed to receive events. | 39 // whether the |nested_dispatcher_| is allowed to receive events. |
40 aura::Window* associated_window_; | 40 aura::Window* associated_window_; |
41 | 41 |
42 DISALLOW_COPY_AND_ASSIGN(AcceleratorDispatcher); | 42 DISALLOW_COPY_AND_ASSIGN(AcceleratorDispatcher); |
43 }; | 43 }; |
44 | 44 |
45 } // namespace ash | 45 } // namespace ash |
46 | 46 |
47 #endif // ASH_ACCELERATORS_ACCELERATOR_DISPATCHER_H_ | 47 #endif // ASH_ACCELERATORS_ACCELERATOR_DISPATCHER_H_ |
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