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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "base/prefs/pref_notifier_impl.h" | 5 #include "base/prefs/pref_notifier_impl.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/prefs/pref_service.h" | 8 #include "base/prefs/pref_service.h" |
9 #include "base/stl_util.h" | 9 #include "base/stl_util.h" |
10 | 10 |
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31 // Same for initialization observers. | 31 // Same for initialization observers. |
32 if (!init_observers_.empty()) | 32 if (!init_observers_.empty()) |
33 LOG(WARNING) << "Init observer found at shutdown."; | 33 LOG(WARNING) << "Init observer found at shutdown."; |
34 | 34 |
35 STLDeleteContainerPairSecondPointers(pref_observers_.begin(), | 35 STLDeleteContainerPairSecondPointers(pref_observers_.begin(), |
36 pref_observers_.end()); | 36 pref_observers_.end()); |
37 pref_observers_.clear(); | 37 pref_observers_.clear(); |
38 init_observers_.clear(); | 38 init_observers_.clear(); |
39 } | 39 } |
40 | 40 |
41 void PrefNotifierImpl::AddPrefObserver(const char* path, | 41 void PrefNotifierImpl::AddPrefObserver(const std::string& path, |
42 PrefObserver* obs) { | 42 PrefObserver* obs) { |
43 // Get the pref observer list associated with the path. | 43 // Get the pref observer list associated with the path. |
44 PrefObserverList* observer_list = NULL; | 44 PrefObserverList* observer_list = NULL; |
45 const PrefObserverMap::iterator observer_iterator = | 45 const PrefObserverMap::iterator observer_iterator = |
46 pref_observers_.find(path); | 46 pref_observers_.find(path); |
47 if (observer_iterator == pref_observers_.end()) { | 47 if (observer_iterator == pref_observers_.end()) { |
48 observer_list = new PrefObserverList; | 48 observer_list = new PrefObserverList; |
49 pref_observers_[path] = observer_list; | 49 pref_observers_[path] = observer_list; |
50 } else { | 50 } else { |
51 observer_list = observer_iterator->second; | 51 observer_list = observer_iterator->second; |
52 } | 52 } |
53 | 53 |
54 // Add the pref observer. ObserverList will DCHECK if it already is | 54 // Add the pref observer. ObserverList will DCHECK if it already is |
55 // in the list. | 55 // in the list. |
56 observer_list->AddObserver(obs); | 56 observer_list->AddObserver(obs); |
57 } | 57 } |
58 | 58 |
59 void PrefNotifierImpl::RemovePrefObserver(const char* path, | 59 void PrefNotifierImpl::RemovePrefObserver(const std::string& path, |
60 PrefObserver* obs) { | 60 PrefObserver* obs) { |
61 DCHECK(thread_checker_.CalledOnValidThread()); | 61 DCHECK(thread_checker_.CalledOnValidThread()); |
62 | 62 |
63 const PrefObserverMap::iterator observer_iterator = | 63 const PrefObserverMap::iterator observer_iterator = |
64 pref_observers_.find(path); | 64 pref_observers_.find(path); |
65 if (observer_iterator == pref_observers_.end()) { | 65 if (observer_iterator == pref_observers_.end()) { |
66 return; | 66 return; |
67 } | 67 } |
68 | 68 |
69 PrefObserverList* observer_list = observer_iterator->second; | 69 PrefObserverList* observer_list = observer_iterator->second; |
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91 it != observers.end(); | 91 it != observers.end(); |
92 ++it) { | 92 ++it) { |
93 it->Run(succeeded); | 93 it->Run(succeeded); |
94 } | 94 } |
95 } | 95 } |
96 | 96 |
97 void PrefNotifierImpl::FireObservers(const std::string& path) { | 97 void PrefNotifierImpl::FireObservers(const std::string& path) { |
98 DCHECK(thread_checker_.CalledOnValidThread()); | 98 DCHECK(thread_checker_.CalledOnValidThread()); |
99 | 99 |
100 // Only send notifications for registered preferences. | 100 // Only send notifications for registered preferences. |
101 if (!pref_service_->FindPreference(path.c_str())) | 101 if (!pref_service_->FindPreference(path)) |
102 return; | 102 return; |
103 | 103 |
104 const PrefObserverMap::iterator observer_iterator = | 104 const PrefObserverMap::iterator observer_iterator = |
105 pref_observers_.find(path); | 105 pref_observers_.find(path); |
106 if (observer_iterator == pref_observers_.end()) | 106 if (observer_iterator == pref_observers_.end()) |
107 return; | 107 return; |
108 | 108 |
109 FOR_EACH_OBSERVER(PrefObserver, | 109 FOR_EACH_OBSERVER(PrefObserver, |
110 *(observer_iterator->second), | 110 *(observer_iterator->second), |
111 OnPreferenceChanged(pref_service_, path)); | 111 OnPreferenceChanged(pref_service_, path)); |
112 } | 112 } |
113 | 113 |
114 void PrefNotifierImpl::SetPrefService(PrefService* pref_service) { | 114 void PrefNotifierImpl::SetPrefService(PrefService* pref_service) { |
115 DCHECK(pref_service_ == NULL); | 115 DCHECK(pref_service_ == NULL); |
116 pref_service_ = pref_service; | 116 pref_service_ = pref_service; |
117 } | 117 } |
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