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34 
35 #pragma once
36 
37 #include <musikcore/library/QueryBase.h>
38 #include <musikcore/audio/PlaybackService.h>
39 
40 #include "TrackListQueryBase.h"
41 
42 namespace musik { namespace core { namespace library { namespace query {
43 
44     class NowPlayingTrackListQuery : public TrackListQueryBase {
45         public:
46             static const std::string kQueryName;
47 
48             DELETE_CLASS_DEFAULTS(NowPlayingTrackListQuery)
49 
50             NowPlayingTrackListQuery(
51                 musik::core::ILibraryPtr library,
52                 musik::core::audio::PlaybackService& playback);
53 
54             /* IQuery */
Name()55             std::string Name() override { return kQueryName; }
56 
57             /* TrackListQueryBase */
58             Result GetResult() noexcept override;
59             Headers GetHeaders() noexcept override;
60             size_t GetQueryHash() noexcept override;
GetDurations()61             Durations GetDurations() noexcept override {
62                 return std::make_shared<std::map<size_t, size_t>>();
63             }
64 
65         protected:
66             /* QueryBase */
67             bool OnRun(musik::core::db::Connection &db) override;
68 
69         private:
70             musik::core::ILibraryPtr library;
71             musik::core::audio::PlaybackService& playback;
72             Result result;
73             Headers headers;
74             size_t hash;
75     };
76 
77 } } } }
78