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content / public / browser / tracing_delegate.h [blame]
// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_PUBLIC_BROWSER_TRACING_DELEGATE_H_
#define CONTENT_PUBLIC_BROWSER_TRACING_DELEGATE_H_
#include <optional>
#include "base/functional/callback.h"
#include "base/values.h"
#include "content/common/content_export.h"
namespace content {
// This can be implemented by the embedder to provide functionality for the
// about://tracing WebUI.
class CONTENT_EXPORT TracingDelegate {
public:
virtual ~TracingDelegate() = default;
// Notifies that background tracing became active and a tracing session
// started. Returns true if the tracing session is allowed to begin.
virtual bool OnBackgroundTracingActive(bool requires_anonymized_data);
// Notifies that a tracing session stopped and background tracing became idle
// again. Returns true if the tracing session is allowed finalize.
virtual bool OnBackgroundTracingIdle(bool requires_anonymized_data);
// Specifies whether traces that aren't uploaded should still be saved.
virtual bool ShouldSaveUnuploadedTrace() const;
};
} // namespace content
#endif // CONTENT_PUBLIC_BROWSER_TRACING_DELEGATE_H_