gecko-dev/dom/bluetooth/bluedroid/BluetoothAvrcpManager.h

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_bluetooth_bluedroid_BluetoothAvrcpManager_h
#define mozilla_dom_bluetooth_bluedroid_BluetoothAvrcpManager_h

#include "BluetoothCommon.h"
#include "BluetoothInterface.h"
#include "BluetoothProfileController.h"
#include "BluetoothProfileManagerBase.h"

BEGIN_BLUETOOTH_NAMESPACE
class BluetoothAvrcpManager : public BluetoothProfileManagerBase
                            , public BluetoothAvrcpNotificationHandler
{
public:
  BT_DECL_PROFILE_MGR_BASE
  virtual void GetName(nsACString& aName)
  {
    aName.AssignLiteral("AVRCP");
  }

  enum SinkState {
    SINK_UNKNOWN,
    SINK_DISCONNECTED,
    SINK_CONNECTING,
    SINK_CONNECTED,
    SINK_PLAYING,
  };

  static BluetoothAvrcpManager* Get();
  static void InitAvrcpInterface(BluetoothProfileResultHandler* aRes);
  static void DeinitAvrcpInterface(BluetoothProfileResultHandler* aRes);

  void SetConnected(bool aConnected);
  void UpdateMetaData(const nsAString& aTitle,
                      const nsAString& aArtist,
                      const nsAString& aAlbum,
                      uint64_t aMediaNumber,
                      uint64_t aTotalMediaCount,
                      uint32_t aDuration);
  void UpdatePlayStatus(uint32_t aDuration,
                        uint32_t aPosition,
                        ControlPlayStatus aPlayStatus);
  void UpdateRegisterNotification(BluetoothAvrcpEvent aEvent, uint32_t aParam);
  void GetAlbum(nsAString& aAlbum);
  uint32_t GetDuration();
  ControlPlayStatus GetPlayStatus();
  uint32_t GetPosition();
  uint64_t GetMediaNumber();
  uint64_t GetTotalMediaNumber();
  void GetTitle(nsAString& aTitle);
  void GetArtist(nsAString& aArtist);
  void HandleBackendError();

protected:
  virtual ~BluetoothAvrcpManager();

private:
  class CleanupAvrcpResultHandler;
  class CleanupAvrcpResultHandlerRunnable;
  class ConnectRunnable;
  class DisconnectRunnable;
  class InitAvrcpResultHandler;
  class OnErrorProfileResultHandlerRunnable;

  BluetoothAvrcpManager();

  void HandleShutdown();
  void NotifyConnectionStatusChanged();

  void GetPlayStatusNotification() override;

  void ListPlayerAppAttrNotification() override;

  void ListPlayerAppValuesNotification(
    BluetoothAvrcpPlayerAttribute aAttrId) override;

  void GetPlayerAppValueNotification(
    uint8_t aNumAttrs,
    const BluetoothAvrcpPlayerAttribute* aAttrs) override;

  void GetPlayerAppAttrsTextNotification(
    uint8_t aNumAttrs,
    const BluetoothAvrcpPlayerAttribute* aAttrs) override;

  void GetPlayerAppValuesTextNotification(
    uint8_t aAttrId, uint8_t aNumVals, const uint8_t* aValues) override;

  void SetPlayerAppValueNotification(
    const BluetoothAvrcpPlayerSettings& aSettings) override;

  void GetElementAttrNotification(
    uint8_t aNumAttrs,
    const BluetoothAvrcpMediaAttribute* aAttrs) override;

  void RegisterNotificationNotification(
    BluetoothAvrcpEvent aEvent, uint32_t aParam) override;

  void RemoteFeatureNotification(
    const nsAString& aBdAddr, unsigned long aFeatures) override;

  void VolumeChangeNotification(uint8_t aVolume, uint8_t aCType) override;

  void PassthroughCmdNotification(int aId, int aKeyState) override;

  nsString mDeviceAddress;
  nsRefPtr<BluetoothProfileController> mController;

  bool mAvrcpConnected;
  nsString mAlbum;
  nsString mArtist;
  nsString mTitle;
  uint32_t mDuration;
  uint64_t mMediaNumber;
  uint64_t mTotalMediaCount;
  uint32_t mPosition;
  /*
   * mPlaybackInterval specifies the time interval (in seconds) at which
   * the change in playback position will be notified. If the song is being
   * forwarded / rewound, a notification will be received whenever the playback
   * position will change by this value.
   */
  uint32_t mPlaybackInterval;
  ControlPlayStatus mPlayStatus;
  /*
   * Notification types: 1. INTERIM 2. CHANGED
   * 1. The initial response to this Notify command shall be an INTERIM
   * response with current status.
   * 2. The following response shall be a CHANGED response with the updated
   * status.
   * mPlayStatusChangedNotifType, mTrackChangedNotifType,
   * mPlayPosChangedNotifType represents current RegisterNotification
   * notification type.
   */
  BluetoothAvrcpNotification mPlayStatusChangedNotifyType;
  BluetoothAvrcpNotification mTrackChangedNotifyType;
  BluetoothAvrcpNotification mPlayPosChangedNotifyType;
  BluetoothAvrcpNotification mAppSettingsChangedNotifyType;
};

END_BLUETOOTH_NAMESPACE

#endif // mozilla_dom_bluetooth_bluedroid_BluetoothAvrcpManager_h