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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_member.h" | 5 #include "base/prefs/pref_member.h" |
6 | 6 |
7 #include "base/callback.h" | 7 #include "base/callback.h" |
8 #include "base/callback_helpers.h" | 8 #include "base/callback_helpers.h" |
9 #include "base/location.h" | 9 #include "base/location.h" |
10 #include "base/message_loop/message_loop_proxy.h" | 10 #include "base/message_loop/message_loop_proxy.h" |
11 #include "base/prefs/pref_service.h" | 11 #include "base/prefs/pref_service.h" |
12 #include "base/value_conversions.h" | 12 #include "base/value_conversions.h" |
13 | 13 |
14 using base::MessageLoopProxy; | 14 using base::MessageLoopProxy; |
15 using base::SingleThreadTaskRunner; | 15 using base::SingleThreadTaskRunner; |
16 | 16 |
17 namespace subtle { | 17 namespace subtle { |
18 | 18 |
19 PrefMemberBase::PrefMemberBase() | 19 PrefMemberBase::PrefMemberBase() |
20 : prefs_(NULL), | 20 : prefs_(NULL), |
21 setting_value_(false) { | 21 setting_value_(false) { |
22 } | 22 } |
23 | 23 |
24 PrefMemberBase::~PrefMemberBase() { | 24 PrefMemberBase::~PrefMemberBase() { |
25 Destroy(); | 25 Destroy(); |
26 } | 26 } |
27 | 27 |
28 void PrefMemberBase::Init(const char* pref_name, | 28 void PrefMemberBase::Init(const std::string& pref_name, |
29 PrefService* prefs, | 29 PrefService* prefs, |
30 const NamedChangeCallback& observer) { | 30 const NamedChangeCallback& observer) { |
31 observer_ = observer; | 31 observer_ = observer; |
32 Init(pref_name, prefs); | 32 Init(pref_name, prefs); |
33 } | 33 } |
34 | 34 |
35 void PrefMemberBase::Init(const char* pref_name, | 35 void PrefMemberBase::Init(const std::string& pref_name, PrefService* prefs) { |
36 PrefService* prefs) { | |
37 DCHECK(pref_name); | |
38 DCHECK(prefs); | 36 DCHECK(prefs); |
39 DCHECK(pref_name_.empty()); // Check that Init is only called once. | 37 DCHECK(pref_name_.empty()); // Check that Init is only called once. |
40 prefs_ = prefs; | 38 prefs_ = prefs; |
41 pref_name_ = pref_name; | 39 pref_name_ = pref_name; |
42 // Check that the preference is registered. | 40 // Check that the preference is registered. |
43 DCHECK(prefs_->FindPreference(pref_name_.c_str())) | 41 DCHECK(prefs_->FindPreference(pref_name_.c_str())) |
gab
2014/12/01 21:13:01
Once again, another example, picked at random whil
Georges Khalil
2014/12/02 17:57:00
Done.
| |
44 << pref_name << " not registered."; | 42 << pref_name << " not registered."; |
45 | 43 |
46 // Add ourselves as a pref observer so we can keep our local value in sync. | 44 // Add ourselves as a pref observer so we can keep our local value in sync. |
47 prefs_->AddPrefObserver(pref_name, this); | 45 prefs_->AddPrefObserver(pref_name, this); |
48 } | 46 } |
49 | 47 |
50 void PrefMemberBase::Destroy() { | 48 void PrefMemberBase::Destroy() { |
51 if (prefs_ && !pref_name_.empty()) { | 49 if (prefs_ && !pref_name_.empty()) { |
52 prefs_->RemovePrefObserver(pref_name_.c_str(), this); | 50 prefs_->RemovePrefObserver(pref_name_.c_str(), this); |
53 prefs_ = NULL; | 51 prefs_ = NULL; |
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219 base::ListValue list_value; | 217 base::ListValue list_value; |
220 list_value.AppendStrings(value); | 218 list_value.AppendStrings(value); |
221 prefs()->Set(pref_name().c_str(), list_value); | 219 prefs()->Set(pref_name().c_str(), list_value); |
222 } | 220 } |
223 | 221 |
224 template <> | 222 template <> |
225 bool PrefMember<std::vector<std::string> >::Internal::UpdateValueInternal( | 223 bool PrefMember<std::vector<std::string> >::Internal::UpdateValueInternal( |
226 const base::Value& value) const { | 224 const base::Value& value) const { |
227 return subtle::PrefMemberVectorStringUpdate(value, &value_); | 225 return subtle::PrefMemberVectorStringUpdate(value, &value_); |
228 } | 226 } |
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