Chromium Code Reviews| Index: ui/base/accelerators/accelerator_history.h |
| diff --git a/ui/base/accelerators/accelerator_history.h b/ui/base/accelerators/accelerator_history.h |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..3f29afef743b68eb201fdff12eee5d41ead2786d |
| --- /dev/null |
| +++ b/ui/base/accelerators/accelerator_history.h |
| @@ -0,0 +1,42 @@ |
| +// Copyright 2014 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 UI_BASE_ACCELERATORS_ACCELERATOR_HISTORY_H_ |
| +#define UI_BASE_ACCELERATORS_ACCELERATOR_HISTORY_H_ |
| + |
| +#include "base/memory/singleton.h" |
| +#include "ui/base/accelerators/accelerator.h" |
| +#include "ui/base/ui_base_export.h" |
| +#include "ui/events/event.h" |
| +#include "ui/events/event_handler.h" |
| + |
| +namespace ui { |
| + |
| +// Keeps track of the system-wide current and the most recent previous |
| +// key accelerators. |
| +class UI_BASE_EXPORT AcceleratorHistory { |
| + public: |
| + AcceleratorHistory(); |
| + ~AcceleratorHistory(); |
| + |
| + // Returns the most recent recorded accelerator. |
| + const Accelerator& GetCurrentAccelerator() const; |
| + |
| + // Returns the most recent previously recorded accelerator that is different |
| + // than the current. |
| + const Accelerator& GetPreviousAccelerator() const; |
|
sky
2014/11/18 22:11:48
inline these and name to match the fields, eg prev
afakhry
2014/11/18 23:08:40
Done.
|
| + |
| + // Stores the given |accelerator| only if it's different than the currently |
| + // stored one. |
| + void StoreCurrentAccelerator(const Accelerator& accelerator); |
| + |
| + private: |
| + |
|
sky
2014/11/18 22:11:48
nit: no newline here.
afakhry
2014/11/18 23:08:40
Done.
|
| + Accelerator current_accelerator_; |
| + Accelerator previous_accelerator_; |
| +}; |
|
sky
2014/11/18 22:11:48
DISALLOW...
afakhry
2014/11/18 23:08:40
Done.
|
| + |
| +}; // namespace ui |
| + |
| +#endif // UI_BASE_ACCELERATORS_ACCELERATOR_HISTORY_H_ |