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1 // Copyright 2014 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 "athena/input/public/accelerator_manager.h" | |
6 #include "athena/input/public/input_manager.h" | |
7 #include "athena/screen_lock/screen_lock_manager_base.h" | |
8 #include "base/logging.h" | |
9 #include "chrome/browser/chromeos/login/lock/screen_locker.h" | |
10 | |
11 namespace athena { | |
12 namespace { | |
13 | |
14 enum Command { | |
15 CMD_LOCK_SCREEN | |
16 }; | |
17 | |
18 const AcceleratorData accelerator_data[] = { | |
19 { TRIGGER_ON_PRESS, ui::VKEY_L, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN, | |
20 CMD_LOCK_SCREEN, AF_NONE }}; | |
21 | |
22 class ChromeScreenLockManager : public ScreenLockManagerBase, | |
23 public AcceleratorHandler, | |
24 public PowerButtonObserver { | |
25 public: | |
26 ChromeScreenLockManager() {} | |
27 | |
28 void Init(); | |
29 | |
30 protected: | |
31 ~ChromeScreenLockManager() override; | |
32 | |
33 private: | |
34 // ScreenLockManager: | |
35 void LockScreen() override; | |
36 | |
37 // AcceleratorHandler: | |
38 bool IsCommandEnabled(int command_id) const override; | |
39 bool OnAcceleratorFired(int command_id, | |
40 const ui::Accelerator& accelerator) override; | |
41 | |
42 // PowerButtonObserver: | |
43 void OnPowerButtonStateChanged(State state) override; | |
44 | |
45 DISALLOW_COPY_AND_ASSIGN(ChromeScreenLockManager); | |
46 }; | |
47 | |
48 ChromeScreenLockManager::~ChromeScreenLockManager() { | |
49 InputManager::Get()->RemovePowerButtonObserver(this); | |
50 } | |
51 | |
52 void ChromeScreenLockManager::Init() { | |
53 AcceleratorManager::Get()->RegisterAccelerators( | |
54 accelerator_data, arraysize(accelerator_data), this); | |
55 InputManager::Get()->AddPowerButtonObserver(this); | |
56 } | |
57 | |
58 void ChromeScreenLockManager::LockScreen() { | |
59 chromeos::ScreenLocker::HandleLockScreenRequest(); | |
60 } | |
61 | |
62 bool ChromeScreenLockManager::IsCommandEnabled(int command_id) const { | |
63 return true; | |
64 } | |
65 | |
66 bool ChromeScreenLockManager::OnAcceleratorFired( | |
67 int command_id, | |
68 const ui::Accelerator& accelerator) { | |
69 switch (command_id) { | |
70 case CMD_LOCK_SCREEN: | |
71 LockScreen(); | |
72 return true; | |
73 | |
74 default: | |
75 NOTREACHED(); | |
76 } | |
77 return false; | |
78 } | |
79 | |
80 void ChromeScreenLockManager::OnPowerButtonStateChanged(State state) { | |
81 if (state == PRESSED) | |
82 LockScreen(); | |
83 } | |
84 | |
85 } // namespace | |
86 | |
87 // static | |
88 ScreenLockManager* ScreenLockManager::Create() { | |
89 ChromeScreenLockManager* instance = new ChromeScreenLockManager(); | |
90 instance->Init(); | |
91 return instance; | |
92 } | |
93 | |
94 } // namespace athena | |
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