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// Copyright 2013 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 "components/web_resource/eula_accepted_notifier.h"
#include "base/bind.h"
#include "base/logging.h"
#include "base/prefs/pref_service.h"
#include "components/web_resource/web_resource_pref_names.h"
namespace web_resource {
EulaAcceptedNotifier::EulaAcceptedNotifier(PrefService* local_state)
: local_state_(local_state), observer_(nullptr) {
}
EulaAcceptedNotifier::~EulaAcceptedNotifier() {
}
void EulaAcceptedNotifier::Init(Observer* observer) {
DCHECK(!observer_ && observer);
observer_ = observer;
}
bool EulaAcceptedNotifier::IsEulaAccepted() {
if (local_state_->GetBoolean(prefs::kEulaAccepted))
return true;
// Register for the notification, if this is the first time.
if (registrar_.IsEmpty()) {
registrar_.Init(local_state_);
registrar_.Add(prefs::kEulaAccepted,
base::Bind(&EulaAcceptedNotifier::OnPrefChanged,
base::Unretained(this)));
}
return false;
}
// static
EulaAcceptedNotifier* EulaAcceptedNotifier::Create(PrefService* local_state) {
// First run EULA only exists on ChromeOS, Android and iOS. On ChromeOS, it is
// only shown in official builds.
#if (defined(OS_CHROMEOS) && defined(GOOGLE_CHROME_BUILD)) || \
defined(OS_ANDROID) || defined(OS_IOS)
// Tests that use higher-level classes that use EulaAcceptNotifier may not
// have local state or may not register this pref. Return null to indicate not
// needing to check the EULA.
if (!local_state || !local_state->FindPreference(prefs::kEulaAccepted))
return nullptr;
return new EulaAcceptedNotifier(local_state);
#else
return nullptr;
#endif
}
void EulaAcceptedNotifier::NotifyObserver() {
observer_->OnEulaAccepted();
}
void EulaAcceptedNotifier::OnPrefChanged() {
DCHECK(!registrar_.IsEmpty());
registrar_.RemoveAll();
DCHECK(local_state_->GetBoolean(prefs::kEulaAccepted));
observer_->OnEulaAccepted();
}
} // namespace web_resource
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