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| 1 // Copyright (c) 2011 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/chromeos/cros/screen_lock_library.h" | |
| 6 | |
| 7 #include "base/basictypes.h" | |
| 8 #include "base/compiler_specific.h" | |
| 9 #include "base/logging.h" | |
| 10 #include "base/message_loop.h" | |
| 11 #include "base/observer_list.h" | |
| 12 #include "chrome/browser/chromeos/cros/cros_library.h" | |
| 13 #include "content/public/browser/browser_thread.h" | |
| 14 #include "third_party/cros/chromeos_screen_lock.h" | |
| 15 | |
| 16 using content::BrowserThread; | |
| 17 | |
| 18 namespace chromeos { | |
| 19 | |
| 20 class ScreenLockLibraryImpl : public ScreenLockLibrary { | |
| 21 public: | |
| 22 ScreenLockLibraryImpl() : screen_lock_connection_(NULL) {} | |
| 23 | |
| 24 virtual ~ScreenLockLibraryImpl() { | |
| 25 if (screen_lock_connection_) { | |
| 26 chromeos::DisconnectScreenLock(screen_lock_connection_); | |
| 27 screen_lock_connection_ = NULL; | |
| 28 } | |
| 29 } | |
| 30 | |
| 31 // Begin ScreenLockLibrary implementation. | |
| 32 virtual void Init() OVERRIDE { | |
| 33 DCHECK(CrosLibrary::Get()->libcros_loaded()); | |
| 34 screen_lock_connection_ = | |
| 35 chromeos::MonitorScreenLock(&ScreenLockedHandler, this); | |
| 36 } | |
| 37 | |
| 38 virtual void AddObserver(Observer* observer) OVERRIDE { | |
| 39 observers_.AddObserver(observer); | |
| 40 } | |
| 41 | |
| 42 virtual void RemoveObserver(Observer* observer) OVERRIDE { | |
| 43 observers_.RemoveObserver(observer); | |
| 44 } | |
| 45 | |
| 46 virtual void NotifyScreenLockRequested() OVERRIDE { | |
| 47 chromeos::NotifyScreenLockRequested(); | |
| 48 } | |
| 49 | |
| 50 virtual void NotifyScreenLockCompleted() OVERRIDE { | |
| 51 chromeos::NotifyScreenLockCompleted(); | |
| 52 } | |
| 53 | |
| 54 virtual void NotifyScreenUnlockRequested() OVERRIDE { | |
| 55 chromeos::NotifyScreenUnlockRequested(); | |
| 56 } | |
| 57 | |
| 58 virtual void NotifyScreenUnlockCompleted() OVERRIDE { | |
| 59 chromeos::NotifyScreenUnlockCompleted(); | |
| 60 } | |
| 61 // End ScreenLockLibrary implementation. | |
| 62 | |
| 63 private: | |
| 64 static void ScreenLockedHandler(void* object, ScreenLockEvent event) { | |
| 65 ScreenLockLibraryImpl* self = static_cast<ScreenLockLibraryImpl*>(object); | |
| 66 switch (event) { | |
| 67 case chromeos::LockScreen: | |
| 68 self->LockScreen(); | |
| 69 break; | |
| 70 case chromeos::UnlockScreen: | |
| 71 self->UnlockScreen(); | |
| 72 break; | |
| 73 case chromeos::UnlockScreenFailed: | |
| 74 self->UnlockScreenFailed(); | |
| 75 break; | |
| 76 default: | |
| 77 NOTREACHED(); | |
| 78 break; | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 void LockScreen() { | |
| 83 // Called from ScreenLockedHandler, a libcros callback which should | |
| 84 // always run on UI thread. | |
| 85 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 86 FOR_EACH_OBSERVER(Observer, observers_, LockScreen(this)); | |
| 87 } | |
| 88 | |
| 89 void UnlockScreen() { | |
| 90 // Called from ScreenLockedHandler, a libcros callback which should | |
| 91 // always run on UI thread. | |
| 92 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 93 FOR_EACH_OBSERVER(Observer, observers_, UnlockScreen(this)); | |
| 94 } | |
| 95 | |
| 96 void UnlockScreenFailed() { | |
| 97 // Called from ScreenLockedHandler, a libcros callback which should | |
| 98 // always run on UI thread. | |
| 99 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 100 FOR_EACH_OBSERVER(Observer, observers_, UnlockScreenFailed(this)); | |
| 101 } | |
| 102 | |
| 103 chromeos::ScreenLockConnection screen_lock_connection_; | |
| 104 | |
| 105 ObserverList<Observer> observers_; | |
| 106 | |
| 107 DISALLOW_COPY_AND_ASSIGN(ScreenLockLibraryImpl); | |
| 108 }; | |
| 109 | |
| 110 class ScreenLockLibraryStubImpl : public ScreenLockLibrary { | |
| 111 public: | |
| 112 ScreenLockLibraryStubImpl() {} | |
| 113 virtual ~ScreenLockLibraryStubImpl() {} | |
| 114 virtual void Init() OVERRIDE {} | |
| 115 virtual void AddObserver(Observer* observer) OVERRIDE {} | |
| 116 virtual void RemoveObserver(Observer* observer) OVERRIDE {} | |
| 117 virtual void NotifyScreenLockRequested() OVERRIDE {} | |
| 118 virtual void NotifyScreenLockCompleted() OVERRIDE {} | |
| 119 virtual void NotifyScreenUnlockRequested() OVERRIDE {} | |
| 120 virtual void NotifyScreenUnlockCompleted() OVERRIDE {} | |
| 121 }; | |
| 122 | |
| 123 // static | |
| 124 ScreenLockLibrary* ScreenLockLibrary::GetImpl(bool stub) { | |
| 125 ScreenLockLibrary* impl; | |
| 126 if (stub) | |
| 127 impl = new ScreenLockLibraryStubImpl(); | |
| 128 else | |
| 129 impl = new ScreenLockLibraryImpl(); | |
| 130 impl->Init(); | |
| 131 return impl; | |
| 132 } | |
| 133 | |
| 134 } // namespace chromeos | |
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Chromium Code Reviews
Issue 8934019:
chromeos: Remove ScreenLockLibrary. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src