src/apps/mediaplayer/ControllerObserver.h

   1 /*
   2  * Copyright 2007-2009, Haiku. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Stephan Aßmus <superstippi@gmx.de>
   7  */
   8 #ifndef CONTROLLER_OBSERVER_H
   9 #define CONTROLLER_OBSERVER_H
  10
  11
  12 #include "AbstractLOAdapter.h"
  13 #include "Controller.h"
  14
  15
  16 enum {
  17         MSG_CONTROLLER_FILE_FINISHED                    = 'cnff',
  18         MSG_CONTROLLER_FILE_CHANGED                             = 'cnfc',
  19
  20         MSG_CONTROLLER_VIDEO_TRACK_CHANGED              = 'cnvt',
  21         MSG_CONTROLLER_AUDIO_TRACK_CHANGED              = 'cnat',
  22         MSG_CONTROLLER_SUB_TITLE_TRACK_CHANGED  = 'cnst',
  23
  24         MSG_CONTROLLER_VIDEO_STATS_CHANGED              = 'cnvs',
  25         MSG_CONTROLLER_AUDIO_STATS_CHANGED              = 'cnas',
  26
  27         MSG_CONTROLLER_PLAYBACK_STATE_CHANGED   = 'cnps',
  28         MSG_CONTROLLER_POSITION_CHANGED                 = 'cnpc',
  29         MSG_CONTROLLER_SEEK_HANDLED                             = 'cnsh',
  30         MSG_CONTROLLER_VOLUME_CHANGED                   = 'cnvc',
  31         MSG_CONTROLLER_MUTED_CHANGED                    = 'cnmc'
  32 };
  33
  34 enum {
  35         OBSERVE_FILE_CHANGES                                    = 0x0001,
  36         OBSERVE_TRACK_CHANGES                                   = 0x0002,
  37         OBSERVE_STAT_CHANGES                                    = 0x0004,
  38         OBSERVE_PLAYBACK_STATE_CHANGES                  = 0x0008,
  39         OBSERVE_POSITION_CHANGES                                = 0x0010,
  40         OBSERVE_VOLUME_CHANGES                                  = 0x0020,
  41
  42         OBSERVE_ALL_CHANGES                                             = 0xffff
  43 };
  44
  45
  46 class ControllerObserver
  47         : public Controller::Listener, public AbstractLOAdapter {
  48 public:
  49                                                 ControllerObserver(BHandler* target,
  50                                                         uint32 observeFlags = OBSERVE_ALL_CHANGES);
  51         virtual                         ~ControllerObserver();
  52
  53         // Controller::Listener interface
  54         virtual void            FileFinished();
  55         virtual void            FileChanged(PlaylistItem* item, status_t result);
  56
  57         virtual void            VideoTrackChanged(int32 index);
  58         virtual void            AudioTrackChanged(int32 index);
  59         virtual void            SubTitleTrackChanged(int32 index);
  60
  61         virtual void            VideoStatsChanged();
  62         virtual void            AudioStatsChanged();
  63
  64         virtual void            PlaybackStateChanged(uint32 state);
  65         virtual void            PositionChanged(float position);
  66         virtual void            SeekHandled(int64 seekFrame);
  67         virtual void            VolumeChanged(float volume);
  68         virtual void            MutedChanged(bool muted);
  69
  70 private:
  71                         uint32          fObserveFlags;
  72 };
  73
  74 #endif // CONTROLLER_OBSERVER_H