1 ////////////////////////////////////////////////////////////////////////////// 2 // 3 // Copyright (c) 2004-2021 musikcube team 4 // 5 // All rights reserved. 6 // 7 // Redistribution and use in source and binary forms, with or without 8 // modification, are permitted provided that the following conditions are met: 9 // 10 // * Redistributions of source code must retain the above copyright notice, 11 // this list of conditions and the following disclaimer. 12 // 13 // * Redistributions in binary form must reproduce the above copyright 14 // notice, this list of conditions and the following disclaimer in the 15 // documentation and/or other materials provided with the distribution. 16 // 17 // * Neither the name of the author nor the names of other contributors may 18 // be used to endorse or promote products derived from this software 19 // without specific prior written permission. 20 // 21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 22 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 25 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 // POSSIBILITY OF SUCH DAMAGE. 32 // 33 ////////////////////////////////////////////////////////////////////////////// 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