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media / audio / win / audio_session_event_listener_win.cc [blame]

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "media/audio/win/audio_session_event_listener_win.h"

#include "base/logging.h"

namespace media {

AudioSessionEventListener::AudioSessionEventListener(
    base::OnceClosure device_change_cb)
    : device_change_cb_(std::move(device_change_cb)) {
  DCHECK(device_change_cb_);
}

AudioSessionEventListener::~AudioSessionEventListener() = default;

HRESULT AudioSessionEventListener::OnChannelVolumeChanged(
    DWORD channel_count,
    float new_channel_volume_array[],
    DWORD changed_channel,
    LPCGUID event_context) {
  return S_OK;
}

IFACEMETHODIMP
AudioSessionEventListener::OnDisplayNameChanged(LPCWSTR new_display_name,
                                                LPCGUID event_context) {
  return S_OK;
}

HRESULT AudioSessionEventListener::OnGroupingParamChanged(
    LPCGUID new_grouping_param,
    LPCGUID event_context) {
  return S_OK;
}

HRESULT AudioSessionEventListener::OnIconPathChanged(LPCWSTR new_icon_path,
                                                     LPCGUID event_context) {
  return S_OK;
}

HRESULT AudioSessionEventListener::OnSessionDisconnected(
    AudioSessionDisconnectReason disconnect_reason) {
  DVLOG(1) << __func__ << ": " << disconnect_reason;
  if (device_change_cb_)
    std::move(device_change_cb_).Run();
  return S_OK;
}

HRESULT AudioSessionEventListener::OnSimpleVolumeChanged(
    float new_volume,
    BOOL new_mute,
    LPCGUID event_context) {
  return S_OK;
}

HRESULT AudioSessionEventListener::OnStateChanged(AudioSessionState new_state) {
  return S_OK;
}

}  // namespace media