chromium/content/browser/media/session/audio_focus_delegate_default.cc

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/memory/raw_ptr.h"
#include "content/browser/media/session/audio_focus_delegate.h"

#include "base/functional/bind.h"
#include "base/unguessable_token.h"
#include "build/build_config.h"
#include "content/browser/media/session/media_session_impl.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/media_session_service.h"
#include "media/base/media_switches.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "services/media_session/public/cpp/features.h"
#include "services/media_session/public/mojom/audio_focus.mojom.h"

namespace content {

AudioFocusType;

namespace {

const char kAudioFocusSourceName[] = …;

base::UnguessableToken GetAudioFocusGroupId(MediaSessionImpl* session) { … }

// AudioFocusDelegateDefault is the default implementation of
// AudioFocusDelegate which only handles audio focus between WebContents.
class AudioFocusDelegateDefault : public AudioFocusDelegate { … };

}  // anonymous namespace

AudioFocusDelegateDefault::AudioFocusDelegateDefault(
    MediaSessionImpl* media_session)
    : … { … }

AudioFocusDelegateDefault::~AudioFocusDelegateDefault() = default;

AudioFocusDelegate::AudioFocusResult
AudioFocusDelegateDefault::RequestAudioFocus(AudioFocusType audio_focus_type) { … }

void AudioFocusDelegateDefault::AbandonAudioFocus() { … }

std::optional<media_session::mojom::AudioFocusType>
AudioFocusDelegateDefault::GetCurrentFocusType() const { … }

void AudioFocusDelegateDefault::MediaSessionInfoChanged(
    const media_session::mojom::MediaSessionInfoPtr& session_info) { … }

void AudioFocusDelegateDefault::ReleaseRequestId() { … }

void AudioFocusDelegateDefault::FinishAudioFocusRequest(AudioFocusType type,
                                                        bool success) { … }

void AudioFocusDelegateDefault::EnsureServiceConnection() { … }

// static
std::unique_ptr<AudioFocusDelegate> AudioFocusDelegate::Create(
    MediaSessionImpl* media_session) { … }

}  // namespace content