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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/browsing_data/core/counters/sync_tracker.h"
#include "components/browsing_data/core/counters/browsing_data_counter.h"
#include "components/sync/service/sync_service.h"
namespace browsing_data {
SyncTracker::SyncTracker(BrowsingDataCounter* counter,
syncer::SyncService* sync_service)
: counter_(counter), sync_service_(sync_service), sync_enabled_() {
DCHECK(counter_);
}
SyncTracker::~SyncTracker() {
if (sync_service_)
sync_service_->RemoveObserver(this);
}
void SyncTracker::OnInitialized(SyncPredicate predicate) {
DCHECK(!predicate.is_null());
predicate_ = predicate;
if (sync_service_)
sync_service_->AddObserver(this);
sync_enabled_ = predicate_.Run(sync_service_.get());
}
bool SyncTracker::IsSyncActive() {
return sync_enabled_;
}
void SyncTracker::OnStateChanged(syncer::SyncService* sync) {
bool sync_enabled_new = predicate_.Run(sync_service_.get());
if (sync_enabled_ != sync_enabled_new) {
sync_enabled_ = sync_enabled_new;
counter_->Restart();
}
}
void SyncTracker::OnSyncShutdown(syncer::SyncService* sync) {
DCHECK_EQ(sync_service_, sync);
sync_service_->RemoveObserver(this);
sync_service_ = nullptr;
sync_enabled_ = false;
}
} // namespace browsing_data
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