services/media_session/public/cpp/features.cc

// Copyright 2019 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 "services/media_session/public/cpp/features.h"

#include "build/build_config.h"

namespace media_session {
namespace features {

// Enables the Media Session service including audio focus tracking. This allows
// clients to consume the Media Session Mojo APIs but should not have any
// changes to behavior. It is enabled by default on all platforms except Android.
const base::Feature kMediaSessionService {
  "MediaSessionService",
#if !defined(OS_ANDROID)
      base::FEATURE_ENABLED_BY_DEFAULT
#else
      base::FEATURE_DISABLED_BY_DEFAULT
#endif
};

// Enables Audio Focus enforcement which means that only one media session can
// have audio focus at any one time.
const base::Feature kAudioFocusEnforcement {
  "AudioFocusEnforcement",
#if defined(OS_CHROMEOS)
      base::FEATURE_ENABLED_BY_DEFAULT
#else
      base::FEATURE_DISABLED_BY_DEFAULT
#endif
};

// Enables Audio Focus grouping which means that multiple media sessions can
// share audio focus at the same time provided that they have the same group id.
const base::Feature kAudioFocusSessionGrouping {
  "AudioFocusSessionGrouping",
#if defined(OS_CHROMEOS)
      base::FEATURE_ENABLED_BY_DEFAULT
#else
      base::FEATURE_DISABLED_BY_DEFAULT
#endif
};

}  // namespace features
}  // namespace media_session