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// Copyright 2020 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 "third_party/blink/renderer/platform/context_lifecycle_observer.h"
#include "third_party/blink/renderer/platform/context_lifecycle_notifier.h"
namespace blink {
void ContextLifecycleObserver::ObserverListWillBeCleared() {
notifier_ = nullptr;
}
void ContextLifecycleObserver::SetContextLifecycleNotifier(
ContextLifecycleNotifier* notifier) {
if (notifier == notifier_)
return;
if (notifier_)
notifier_->RemoveContextLifecycleObserver(this);
notifier_ = notifier;
if (notifier_)
notifier_->AddContextLifecycleObserver(this);
}
void ContextLifecycleObserver::Trace(Visitor* visitor) {
visitor->Trace(notifier_);
}
} // namespace blink
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