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Unified Diff: base/prefs/pref_change_registrar.cc

Issue 1648403002: Move base/prefs to components/prefs (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 11 months ago
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Index: base/prefs/pref_change_registrar.cc
diff --git a/base/prefs/pref_change_registrar.cc b/base/prefs/pref_change_registrar.cc
deleted file mode 100644
index 13193484ff449c348be51f94d35474968ae7efe7..0000000000000000000000000000000000000000
--- a/base/prefs/pref_change_registrar.cc
+++ /dev/null
@@ -1,94 +0,0 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/prefs/pref_change_registrar.h"
-
-#include "base/bind.h"
-#include "base/logging.h"
-#include "base/prefs/pref_service.h"
-
-PrefChangeRegistrar::PrefChangeRegistrar() : service_(NULL) {}
-
-PrefChangeRegistrar::~PrefChangeRegistrar() {
- // If you see an invalid memory access in this destructor, this
- // PrefChangeRegistrar might be subscribed to an OffTheRecordProfileImpl that
- // has been destroyed. This should not happen any more but be warned.
- // Feel free to contact battre@chromium.org in case this happens.
- RemoveAll();
-}
-
-void PrefChangeRegistrar::Init(PrefService* service) {
- DCHECK(IsEmpty() || service_ == service);
- service_ = service;
-}
-
-void PrefChangeRegistrar::Add(const std::string& path,
- const base::Closure& obs) {
- Add(path, base::Bind(&PrefChangeRegistrar::InvokeUnnamedCallback, obs));
-}
-
-void PrefChangeRegistrar::Add(const std::string& path,
- const NamedChangeCallback& obs) {
- if (!service_) {
- NOTREACHED();
- return;
- }
- DCHECK(!IsObserved(path)) << "Already had this pref registered.";
-
- service_->AddPrefObserver(path, this);
- observers_[path] = obs;
-}
-
-void PrefChangeRegistrar::Remove(const std::string& path) {
- DCHECK(IsObserved(path));
-
- observers_.erase(path);
- service_->RemovePrefObserver(path, this);
-}
-
-void PrefChangeRegistrar::RemoveAll() {
- for (ObserverMap::const_iterator it = observers_.begin();
- it != observers_.end(); ++it) {
- service_->RemovePrefObserver(it->first, this);
- }
-
- observers_.clear();
-}
-
-bool PrefChangeRegistrar::IsEmpty() const {
- return observers_.empty();
-}
-
-bool PrefChangeRegistrar::IsObserved(const std::string& pref) {
- return observers_.find(pref) != observers_.end();
-}
-
-bool PrefChangeRegistrar::IsManaged() {
- for (ObserverMap::const_iterator it = observers_.begin();
- it != observers_.end(); ++it) {
- const PrefService::Preference* pref = service_->FindPreference(it->first);
- if (pref && pref->IsManaged())
- return true;
- }
- return false;
-}
-
-void PrefChangeRegistrar::OnPreferenceChanged(PrefService* service,
- const std::string& pref) {
- if (IsObserved(pref))
- observers_[pref].Run(pref);
-}
-
-void PrefChangeRegistrar::InvokeUnnamedCallback(const base::Closure& callback,
- const std::string& pref_name) {
- callback.Run();
-}
-
-PrefService* PrefChangeRegistrar::prefs() {
- return service_;
-}
-
-const PrefService* PrefChangeRegistrar::prefs() const {
- return service_;
-}
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