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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 "extensions/browser/extension_pref_store.h"
6 
7 #include "base/values.h"
8 #include "extensions/browser/extension_pref_value_map.h"
9 
ExtensionPrefStore(ExtensionPrefValueMap * extension_pref_value_map,bool incognito_pref_store)10 ExtensionPrefStore::ExtensionPrefStore(
11     ExtensionPrefValueMap* extension_pref_value_map,
12     bool incognito_pref_store)
13     : extension_pref_value_map_(extension_pref_value_map),
14       incognito_pref_store_(incognito_pref_store) {
15   extension_pref_value_map_->AddObserver(this);
16 }
17 
OnInitializationCompleted()18 void ExtensionPrefStore::OnInitializationCompleted() {
19   NotifyInitializationCompleted();
20 }
21 
OnPrefValueChanged(const std::string & key)22 void ExtensionPrefStore::OnPrefValueChanged(const std::string& key) {
23   CHECK(extension_pref_value_map_);
24   const base::Value *winner =
25       extension_pref_value_map_->GetEffectivePrefValue(key,
26                                                        incognito_pref_store_,
27                                                        NULL);
28   if (winner)
29     SetValue(key, winner->DeepCopy());
30   else
31     RemoveValue(key);
32 }
33 
OnExtensionPrefValueMapDestruction()34 void ExtensionPrefStore::OnExtensionPrefValueMapDestruction() {
35   CHECK(extension_pref_value_map_);
36   extension_pref_value_map_->RemoveObserver(this);
37   extension_pref_value_map_ = NULL;
38 }
39 
~ExtensionPrefStore()40 ExtensionPrefStore::~ExtensionPrefStore() {
41   if (extension_pref_value_map_)
42     extension_pref_value_map_->RemoveObserver(this);
43 }
44