1// Copyright (c) 2013 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 CHROME_BROWSER_EXTENSIONS_GLOBAL_SHORTCUT_LISTENER_CHROMEOS_H_
6#define CHROME_BROWSER_EXTENSIONS_GLOBAL_SHORTCUT_LISTENER_CHROMEOS_H_
7
8#include "chrome/browser/extensions/global_shortcut_listener.h"
9
10#include "ui/base/accelerators/accelerator.h"
11
12namespace extensions {
13
14// ChromeOS-specific implementation of the GlobalShortcutListener class that
15// listens for global shortcuts. Handles basic keyboard intercepting and
16// forwards its output to the base class for processing.
17class GlobalShortcutListenerChromeOS : public GlobalShortcutListener,
18                                       ui::AcceleratorTarget {
19 public:
20  GlobalShortcutListenerChromeOS();
21  virtual ~GlobalShortcutListenerChromeOS();
22
23 private:
24  // GlobalShortcutListener implementation.
25  virtual void StartListening() OVERRIDE;
26  virtual void StopListening() OVERRIDE;
27  virtual bool RegisterAcceleratorImpl(
28      const ui::Accelerator& accelerator) OVERRIDE;
29  virtual void UnregisterAcceleratorImpl(
30      const ui::Accelerator& accelerator) OVERRIDE;
31
32  // ui::AcceleratorTarget implementation.
33  virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
34  virtual bool CanHandleAccelerators() const OVERRIDE;
35
36  // Whether this object is listening for global shortcuts.
37  bool is_listening_;
38
39  DISALLOW_COPY_AND_ASSIGN(GlobalShortcutListenerChromeOS);
40};
41
42}  // namespace extensions
43
44#endif  // CHROME_BROWSER_EXTENSIONS_GLOBAL_SHORTCUT_LISTENER_CHROMEOS_H_
45