juce_MidiMessageSequence.h

/*
  ==============================================================================
 
   This file is part of the JUCE library.
   Copyright (c) 2022 - Raw Material Software Limited
 
   JUCE is an open source library subject to commercial or open-source
   licensing.
 
   The code included in this file is provided under the terms of the ISC license
   http://www.isc.org/downloads/software-support-policy/isc-license. Permission
   To use, copy, modify, and/or distribute this software for any purpose with or
   without fee is hereby granted provided that the above copyright notice and
   this permission notice appear in all copies.
 
   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.
 
  ==============================================================================
*/
 
namespace juce
{
 
//==============================================================================
class JUCE_API  MidiMessageSequence
{
public:
    //==============================================================================
    MidiMessageSequence();

    MidiMessageSequence (const MidiMessageSequence&);

    MidiMessageSequence& operator= (const MidiMessageSequence&);

    MidiMessageSequence (MidiMessageSequence&&) noexcept;

    MidiMessageSequence& operator= (MidiMessageSequence&&) noexcept;
 
    //==============================================================================
    class MidiEventHolder
    {
    public:
        //==============================================================================
        MidiMessage message;

        MidiEventHolder* noteOffObject = nullptr;
 
    private:
        //==============================================================================
        friend class MidiMessageSequence;
        MidiEventHolder (const MidiMessage&);
        MidiEventHolder (MidiMessage&&);
        JUCE_LEAK_DETECTOR (MidiEventHolder)
    };
 
    //==============================================================================
    void clear();

    int getNumEvents() const noexcept;

    MidiEventHolder* getEventPointer (int index) const noexcept;

    MidiEventHolder** begin() noexcept;

    MidiEventHolder* const* begin() const noexcept;

    MidiEventHolder** end() noexcept;

    MidiEventHolder* const* end() const noexcept;

    double getTimeOfMatchingKeyUp (int index) const noexcept;

    int getIndexOfMatchingKeyUp (int index) const noexcept;

    int getIndexOf (const MidiEventHolder* event) const noexcept;

    int getNextIndexAtTime (double timeStamp) const noexcept;
 
    //==============================================================================
    double getStartTime() const noexcept;

    double getEndTime() const noexcept;

    double getEventTime (int index) const noexcept;
 
    //==============================================================================
    MidiEventHolder* addEvent (const MidiMessage& newMessage, double timeAdjustment = 0);

    MidiEventHolder* addEvent (MidiMessage&& newMessage, double timeAdjustment = 0);

    void deleteEvent (int index, bool deleteMatchingNoteUp);

    void addSequence (const MidiMessageSequence& other,
                      double timeAdjustmentDelta,
                      double firstAllowableDestTime,
                      double endOfAllowableDestTimes);

    void addSequence (const MidiMessageSequence& other,
                      double timeAdjustmentDelta);
 
    //==============================================================================
    void updateMatchedPairs() noexcept;

    void sort() noexcept;
 
    //==============================================================================
    void extractMidiChannelMessages (int channelNumberToExtract,
                                     MidiMessageSequence& destSequence,
                                     bool alsoIncludeMetaEvents) const;

    void extractSysExMessages (MidiMessageSequence& destSequence) const;

    void deleteMidiChannelMessages (int channelNumberToRemove);

    void deleteSysExMessages();

    void addTimeToMessages (double deltaTime) noexcept;
 
    //==============================================================================
    void createControllerUpdatesForTime (int channelNumber, double time,
                                         Array<MidiMessage>& resultMessages);
 
    //==============================================================================
    void swapWith (MidiMessageSequence&) noexcept;
 
private:
    //==============================================================================
    friend class MidiFile;
    OwnedArray<MidiEventHolder> list;
 
    MidiEventHolder* addEvent (MidiEventHolder*, double);
 
    JUCE_LEAK_DETECTOR (MidiMessageSequence)
};
 
} // namespace juce