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/*
* Copyright 2019 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef API_FIELD_TRIALS_VIEW_H_
#define API_FIELD_TRIALS_VIEW_H_
#include <string>
#include "absl/strings/string_view.h"
#include "rtc_base/system/rtc_export.h"
namespace webrtc {
// An interface that provides a key-value mapping for configuring internal
// details of WebRTC. Note that there's no guarantess that the meaning of a
// particular key value mapping will be preserved over time and no announcements
// will be made if they are changed. It's up to the library user to ensure that
// the behavior does not break.
class RTC_EXPORT FieldTrialsView {
public:
virtual ~FieldTrialsView() = default;
// The configured value for the given key. Defaults to an empty string.
virtual std::string Lookup(absl::string_view key) const = 0;
bool IsEnabled(absl::string_view key) const {
return Lookup(key).find("Enabled") == 0;
}
bool IsDisabled(absl::string_view key) const {
return Lookup(key).find("Disabled") == 0;
}
};
// TODO(bugs.webrtc.org/10335): Remove once all migrated to
// api/field_trials_view.h
typedef FieldTrialsView WebRtcKeyValueConfig;
} // namespace webrtc
#endif // API_FIELD_TRIALS_VIEW_H_
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