blob: 45e6f7899bd78a1fdf3a8ea5cdef9ef40c74c9f2 [file] [log] [blame]
* 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.
#include <string>
#include "absl/strings/string_view.h"
#include "rtc_base/system/rtc_export.h"
namespace webrtc {
// An interface that provides the means to access field trials.
// Note that there are 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 {
virtual ~FieldTrialsView() = default;
// Returns the configured value for `key` or an empty string if the field
// trial isn't configured.
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( Remove once all migrated to
// api/field_trials_view.h
typedef FieldTrialsView WebRtcKeyValueConfig;
} // namespace webrtc