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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 #include "chrome/browser/extensions/global_shortcut_listener.h" | |
6 #include "chrome/browser/profiles/profile.h" | |
7 #include "ui/base/accelerators/accelerator.h" | |
8 | |
9 namespace extensions { | |
10 | |
11 GlobalShortcutListener::GlobalShortcutListener() { | |
12 } | |
13 | |
14 GlobalShortcutListener::~GlobalShortcutListener() { | |
15 STLDeleteContainerPairSecondPointers(accelerator_map_.begin(), | |
16 accelerator_map_.end()); | |
17 } | |
18 | |
19 void GlobalShortcutListener::RegisterAccelerator( | |
20 const ui::Accelerator& accelerator, Observer* observer) { | |
21 AcceleratorMap::const_iterator it = accelerator_map_.find(accelerator); | |
22 if (it == accelerator_map_.end()) { | |
23 Observers* observers = new Observers; | |
24 observers->AddObserver(observer); | |
25 accelerator_map_[accelerator] = observers; | |
26 } else { | |
27 // Make sure we don't register the same accelerator twice. | |
28 DCHECK(!accelerator_map_[accelerator]->HasObserver(observer)); | |
29 accelerator_map_[accelerator]->AddObserver(observer); | |
30 } | |
zhchbin
2013/09/20 07:49:23
On linux I need to know which accelerator is regis
Finnur
2013/09/20 13:01:12
I'm not sure I understand this comment. You have b
zhchbin
2013/09/21 02:07:50
I mean to said that this function should add some
Finnur
2013/09/21 12:23:50
I see. I'll take a look on Monday.
On 2013/09/21
| |
31 } | |
32 | |
33 void GlobalShortcutListener::UnregisterAccelerator( | |
34 const ui::Accelerator& accelerator, Observer* observer) { | |
35 AcceleratorMap::const_iterator it = accelerator_map_.find(accelerator); | |
36 // Make sure we're unregistering something that has been registered. | |
37 DCHECK(it != accelerator_map_.end()); | |
38 DCHECK(it->second->HasObserver(observer)); | |
39 it->second->RemoveObserver(observer); | |
40 if (!it->second->might_have_observers()) | |
41 accelerator_map_.erase(it); | |
42 } | |
43 | |
44 bool GlobalShortcutListener::NotifyKeyPressed( | |
45 const ui::Accelerator& accelerator) { | |
46 AcceleratorMap::const_iterator it = accelerator_map_.find(accelerator); | |
47 if (it == accelerator_map_.end()) | |
48 return false; // No-one is listening to this key. | |
49 // The observer list should not be empty. | |
50 DCHECK(it->second->might_have_observers()); | |
51 | |
52 FOR_EACH_OBSERVER(Observer, *(it->second), OnKeyPressed(accelerator)); | |
53 return true; | |
54 } | |
55 | |
56 } // namespace extensions | |
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