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Unified Diff: components/prefs/pref_notifier_impl.cc

Issue 1645073005: Revert of 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: components/prefs/pref_notifier_impl.cc
diff --git a/components/prefs/pref_notifier_impl.cc b/components/prefs/pref_notifier_impl.cc
deleted file mode 100644
index 7ae5fe679f80e3e54e6cef34a1141c16419431af..0000000000000000000000000000000000000000
--- a/components/prefs/pref_notifier_impl.cc
+++ /dev/null
@@ -1,117 +0,0 @@
-// Copyright (c) 2012 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_notifier_impl.h"
-
-#include "base/logging.h"
-#include "base/prefs/pref_service.h"
-#include "base/stl_util.h"
-
-PrefNotifierImpl::PrefNotifierImpl()
- : pref_service_(NULL) {
-}
-
-PrefNotifierImpl::PrefNotifierImpl(PrefService* service)
- : pref_service_(service) {
-}
-
-PrefNotifierImpl::~PrefNotifierImpl() {
- DCHECK(thread_checker_.CalledOnValidThread());
-
- // Verify that there are no pref observers when we shut down.
- for (PrefObserverMap::iterator it = pref_observers_.begin();
- it != pref_observers_.end(); ++it) {
- PrefObserverList::Iterator obs_iterator(it->second);
- if (obs_iterator.GetNext()) {
- LOG(WARNING) << "pref observer found at shutdown " << it->first;
- }
- }
-
- // Same for initialization observers.
- if (!init_observers_.empty())
- LOG(WARNING) << "Init observer found at shutdown.";
-
- STLDeleteContainerPairSecondPointers(pref_observers_.begin(),
- pref_observers_.end());
- pref_observers_.clear();
- init_observers_.clear();
-}
-
-void PrefNotifierImpl::AddPrefObserver(const std::string& path,
- PrefObserver* obs) {
- // Get the pref observer list associated with the path.
- PrefObserverList* observer_list = NULL;
- const PrefObserverMap::iterator observer_iterator =
- pref_observers_.find(path);
- if (observer_iterator == pref_observers_.end()) {
- observer_list = new PrefObserverList;
- pref_observers_[path] = observer_list;
- } else {
- observer_list = observer_iterator->second;
- }
-
- // Add the pref observer. ObserverList will DCHECK if it already is
- // in the list.
- observer_list->AddObserver(obs);
-}
-
-void PrefNotifierImpl::RemovePrefObserver(const std::string& path,
- PrefObserver* obs) {
- DCHECK(thread_checker_.CalledOnValidThread());
-
- const PrefObserverMap::iterator observer_iterator =
- pref_observers_.find(path);
- if (observer_iterator == pref_observers_.end()) {
- return;
- }
-
- PrefObserverList* observer_list = observer_iterator->second;
- observer_list->RemoveObserver(obs);
-}
-
-void PrefNotifierImpl::AddInitObserver(base::Callback<void(bool)> obs) {
- init_observers_.push_back(obs);
-}
-
-void PrefNotifierImpl::OnPreferenceChanged(const std::string& path) {
- FireObservers(path);
-}
-
-void PrefNotifierImpl::OnInitializationCompleted(bool succeeded) {
- DCHECK(thread_checker_.CalledOnValidThread());
-
- // We must make a copy of init_observers_ and clear it before we run
- // observers, or we can end up in this method re-entrantly before
- // clearing the observers list.
- PrefInitObserverList observers(init_observers_);
- init_observers_.clear();
-
- for (PrefInitObserverList::iterator it = observers.begin();
- it != observers.end();
- ++it) {
- it->Run(succeeded);
- }
-}
-
-void PrefNotifierImpl::FireObservers(const std::string& path) {
- DCHECK(thread_checker_.CalledOnValidThread());
-
- // Only send notifications for registered preferences.
- if (!pref_service_->FindPreference(path))
- return;
-
- const PrefObserverMap::iterator observer_iterator =
- pref_observers_.find(path);
- if (observer_iterator == pref_observers_.end())
- return;
-
- FOR_EACH_OBSERVER(PrefObserver,
- *(observer_iterator->second),
- OnPreferenceChanged(pref_service_, path));
-}
-
-void PrefNotifierImpl::SetPrefService(PrefService* pref_service) {
- DCHECK(pref_service_ == NULL);
- pref_service_ = pref_service;
-}
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