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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 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 | 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 #include "chrome/browser/prefs/pref_notifier_impl.h" | 5 #include "chrome/browser/prefs/pref_notifier_impl.h" |
6 | 6 |
7 #include "base/stl_util.h" | 7 #include "base/stl_util.h" |
8 #include "chrome/browser/prefs/pref_service.h" | 8 #include "chrome/browser/prefs/pref_service.h" |
9 #include "chrome/common/chrome_notification_types.h" | 9 #include "chrome/common/chrome_notification_types.h" |
10 #include "content/public/browser/notification_observer.h" | 10 #include "content/public/browser/notification_observer.h" |
11 #include "content/common/notification_service.h" | 11 #include "content/public/browser/notification_service.h" |
12 | 12 |
13 PrefNotifierImpl::PrefNotifierImpl(PrefService* service) | 13 PrefNotifierImpl::PrefNotifierImpl(PrefService* service) |
14 : pref_service_(service) { | 14 : pref_service_(service) { |
15 } | 15 } |
16 | 16 |
17 PrefNotifierImpl::~PrefNotifierImpl() { | 17 PrefNotifierImpl::~PrefNotifierImpl() { |
18 DCHECK(CalledOnValidThread()); | 18 DCHECK(CalledOnValidThread()); |
19 | 19 |
20 // Verify that there are no pref observers when we shut down. | 20 // Verify that there are no pref observers when we shut down. |
21 for (PrefObserverMap::iterator it = pref_observers_.begin(); | 21 for (PrefObserverMap::iterator it = pref_observers_.begin(); |
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71 observer_list->RemoveObserver(obs); | 71 observer_list->RemoveObserver(obs); |
72 } | 72 } |
73 | 73 |
74 void PrefNotifierImpl::OnPreferenceChanged(const std::string& path) { | 74 void PrefNotifierImpl::OnPreferenceChanged(const std::string& path) { |
75 FireObservers(path); | 75 FireObservers(path); |
76 } | 76 } |
77 | 77 |
78 void PrefNotifierImpl::OnInitializationCompleted(bool succeeded) { | 78 void PrefNotifierImpl::OnInitializationCompleted(bool succeeded) { |
79 DCHECK(CalledOnValidThread()); | 79 DCHECK(CalledOnValidThread()); |
80 | 80 |
81 NotificationService::current()->Notify( | 81 content::NotificationService::current()->Notify( |
82 chrome::NOTIFICATION_PREF_INITIALIZATION_COMPLETED, | 82 chrome::NOTIFICATION_PREF_INITIALIZATION_COMPLETED, |
83 content::Source<PrefService>(pref_service_), | 83 content::Source<PrefService>(pref_service_), |
84 content::Details<bool>(&succeeded)); | 84 content::Details<bool>(&succeeded)); |
85 } | 85 } |
86 | 86 |
87 void PrefNotifierImpl::FireObservers(const std::string& path) { | 87 void PrefNotifierImpl::FireObservers(const std::string& path) { |
88 DCHECK(CalledOnValidThread()); | 88 DCHECK(CalledOnValidThread()); |
89 | 89 |
90 // Only send notifications for registered preferences. | 90 // Only send notifications for registered preferences. |
91 if (!pref_service_->FindPreference(path.c_str())) | 91 if (!pref_service_->FindPreference(path.c_str())) |
92 return; | 92 return; |
93 | 93 |
94 const PrefObserverMap::iterator observer_iterator = | 94 const PrefObserverMap::iterator observer_iterator = |
95 pref_observers_.find(path); | 95 pref_observers_.find(path); |
96 if (observer_iterator == pref_observers_.end()) | 96 if (observer_iterator == pref_observers_.end()) |
97 return; | 97 return; |
98 | 98 |
99 NotificationObserverList::Iterator it(*(observer_iterator->second)); | 99 NotificationObserverList::Iterator it(*(observer_iterator->second)); |
100 content::NotificationObserver* observer; | 100 content::NotificationObserver* observer; |
101 while ((observer = it.GetNext()) != NULL) { | 101 while ((observer = it.GetNext()) != NULL) { |
102 observer->Observe(chrome::NOTIFICATION_PREF_CHANGED, | 102 observer->Observe(chrome::NOTIFICATION_PREF_CHANGED, |
103 content::Source<PrefService>(pref_service_), | 103 content::Source<PrefService>(pref_service_), |
104 content::Details<const std::string>(&path)); | 104 content::Details<const std::string>(&path)); |
105 } | 105 } |
106 } | 106 } |
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