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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_SESSIONS_CORE_SERIALIZED_USER_AGENT_OVERRIDE_H_
#define COMPONENTS_SESSIONS_CORE_SERIALIZED_USER_AGENT_OVERRIDE_H_
#include <optional>
#include <string>
#include "components/sessions/core/sessions_export.h"
namespace sessions {
// SerializedUserAgentOverride is used to record custom values of user-agent
// and possibly user agent client hints for session and tab restore.
//
// See also blink::UserAgentOverride which this is a dependency-breaking
// representation for.
struct SESSIONS_EXPORT SerializedUserAgentOverride {
SerializedUserAgentOverride();
SerializedUserAgentOverride(const SerializedUserAgentOverride& other);
SerializedUserAgentOverride(SerializedUserAgentOverride&& other);
SerializedUserAgentOverride& operator=(
const SerializedUserAgentOverride& other);
SerializedUserAgentOverride& operator=(SerializedUserAgentOverride&& other);
~SerializedUserAgentOverride();
static SerializedUserAgentOverride UserAgentOnly(const std::string& ua) {
// Helper which sets only UA, no client hints.
SerializedUserAgentOverride result;
result.ua_string_override = ua;
return result;
}
size_t EstimateMemoryUsage() const;
// Override of User-Agent string. Empty means no override. If non-empty, this
// string is used as the user agent whenever the tab's NavigationEntries need
// it overridden.
std::string ua_string_override;
// Override of user-agent client hints. Format is user dependent; content/
// encodes it via blink::UserAgentMetadata::Marshal(). Should be nullopt
// if |ua_string_override| is empty.
std::optional<std::string> opaque_ua_metadata_override;
};
} // namespace sessions
#endif // COMPONENTS_SESSIONS_CORE_SERIALIZED_USER_AGENT_OVERRIDE_H_
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