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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 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 | 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 CHROME_BROWSER_EXTENSIONS_GLOBAL_SHORTCUT_LISTENER_MAC_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_GLOBAL_SHORTCUT_LISTENER_MAC_H_ |
6 #define CHROME_BROWSER_EXTENSIONS_GLOBAL_SHORTCUT_LISTENER_MAC_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_GLOBAL_SHORTCUT_LISTENER_MAC_H_ |
7 | 7 |
| 8 #include "chrome/browser/extensions/global_shortcut_listener.h" |
| 9 |
| 10 #include <Carbon/Carbon.h> |
| 11 #include <map> |
| 12 |
8 #include "base/lazy_instance.h" | 13 #include "base/lazy_instance.h" |
9 #include "chrome/browser/extensions/global_shortcut_listener.h" | 14 #include "base/mac/scoped_nsobject.h" |
| 15 |
| 16 @class GlobalShortcutListenerTap; |
10 | 17 |
11 namespace extensions { | 18 namespace extensions { |
12 | 19 |
13 // Mac-specific implementation of the GlobalShortcutListener class that | 20 // Mac-specific implementation of the GlobalShortcutListener class that |
14 // listens for global shortcuts. Handles basic keyboard intercepting and | 21 // listens for global shortcuts. Handles basic keyboard intercepting and |
15 // forwards its output to the base class for processing. | 22 // forwards its output to the base class for processing. |
16 // TODO(finnur/smus): Implement this class. | 23 // |
| 24 // Uses an event tap for intercepting media keys (PlayPause, NextTrack, |
| 25 // PreviousTrack). Also uses the Carbon RegisterEventHotKey API for binding to |
| 26 // non-media key global keyboard shortcuts (eg. Command-Shift-1). |
17 class GlobalShortcutListenerMac : public GlobalShortcutListener { | 27 class GlobalShortcutListenerMac : public GlobalShortcutListener { |
18 public: | 28 public: |
19 virtual ~GlobalShortcutListenerMac(); | 29 virtual ~GlobalShortcutListenerMac(); |
20 | 30 |
21 virtual void StartListening() OVERRIDE; | 31 virtual void StartListening() OVERRIDE; |
22 virtual void StopListening() OVERRIDE; | 32 virtual void StopListening() OVERRIDE; |
23 | 33 |
| 34 // Keyboard event callbacks. |
| 35 bool OnKeyEvent(EventHotKeyID hotKeyID); |
| 36 bool OnMediaKeyEvent(ui::KeyboardCode keyCode); |
| 37 |
24 private: | 38 private: |
25 friend struct base::DefaultLazyInstanceTraits<GlobalShortcutListenerMac>; | 39 friend struct base::DefaultLazyInstanceTraits<GlobalShortcutListenerMac>; |
26 | 40 |
27 GlobalShortcutListenerMac(); | 41 GlobalShortcutListenerMac(); |
28 | 42 |
29 // Register an |accelerator| with the particular |observer|. | 43 // Register an |accelerator| with the particular |observer|. |
30 virtual void RegisterAccelerator( | 44 virtual void RegisterAccelerator( |
31 const ui::Accelerator& accelerator, | 45 const ui::Accelerator& accelerator, |
32 GlobalShortcutListener::Observer* observer) OVERRIDE; | 46 GlobalShortcutListener::Observer* observer) OVERRIDE; |
33 // Unregister an |accelerator| with the particular |observer|. | 47 // Unregister an |accelerator| with the particular |observer|. |
34 virtual void UnregisterAccelerator( | 48 virtual void UnregisterAccelerator( |
35 const ui::Accelerator& accelerator, | 49 const ui::Accelerator& accelerator, |
36 GlobalShortcutListener::Observer* observer) OVERRIDE; | 50 GlobalShortcutListener::Observer* observer) OVERRIDE; |
37 | 51 |
| 52 // Mac-specific function for registering a hotkey. |
| 53 void RegisterHotKey(const ui::Accelerator& accelerator); |
| 54 void UnregisterHotKey(const ui::Accelerator& accelerator); |
| 55 |
| 56 // Determine if a key is a media key or not. |
| 57 // TODO(smus): Use the one in CommandService. |
| 58 bool IsMediaKey(const ui::Accelerator& accelerator); |
| 59 |
| 60 // Whether or not any media keys are currently registered. |
| 61 bool AreMediaKeysRegistered(); |
| 62 |
38 // Whether this object is listening for global shortcuts. | 63 // Whether this object is listening for global shortcuts. |
39 bool is_listening_; | 64 bool is_listening_; |
40 | 65 |
| 66 // A counter representing the current hotkey identifier. |
| 67 int hotkey_id_ = 0; |
| 68 |
| 69 // A map of all hotkeys (media keys and shortcuts) mapping to their |
| 70 // corresponding hotkey IDs. For quickly finding if an accelerator is |
| 71 // registered. |
| 72 typedef std::map<ui::Accelerator, int> HotKeyIdMap; |
| 73 HotKeyIdMap hotkey_ids_; |
| 74 |
| 75 // The inverse map for quickly looking up accelerators by hotkey id. |
| 76 typedef std::map<int, ui::Accelerator> IdHotKeyMap; |
| 77 IdHotKeyMap id_hotkeys_; |
| 78 |
| 79 // Keyboard shortcut IDs to hotkeys map for unregistration. |
| 80 typedef std::map<int, EventHotKeyRef> IdHotKeyRefMap; |
| 81 IdHotKeyRefMap id_hotkey_refs_; |
| 82 |
| 83 // Global shortcut listener tap used for intercepting mac media keys. |
| 84 base::scoped_nsobject<GlobalShortcutListenerTap> tap_; |
| 85 |
41 DISALLOW_COPY_AND_ASSIGN(GlobalShortcutListenerMac); | 86 DISALLOW_COPY_AND_ASSIGN(GlobalShortcutListenerMac); |
42 }; | 87 }; |
43 | 88 |
44 } // namespace extensions | 89 } // namespace extensions |
45 | 90 |
46 #endif // CHROME_BROWSER_EXTENSIONS_GLOBAL_SHORTCUT_LISTENER_MAC_H_ | 91 #endif // CHROME_BROWSER_EXTENSIONS_GLOBAL_SHORTCUT_LISTENER_MAC_H_ |
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