_project_rate_8h_source.html

/*!********************************************************************


Audacity: A Digital Audio Editor


@file ProjectRate.h

@brief an object holding per-project preferred sample rate


Paul Licameli split from ProjectSettings.h


**********************************************************************/


#ifndef __AUDACITY_PROJECT_RATE__

#define __AUDACITY_PROJECT_RATE__


class AudacityProject;


#include "ClientData.h"

#include "Observer.h"


class PROJECT_RATE_API ProjectRate final

   : public ClientData::Base

   , public Observer::Publisher<double>

{

public:

   static ProjectRate &Get( AudacityProject &project );

   static const ProjectRate &Get( const AudacityProject &project );


   explicit ProjectRate(AudacityProject &project);

   ProjectRate( const ProjectRate & ) = delete;

   ProjectRate &operator=( const ProjectRate & ) = delete;


   void SetRate(double rate);

   double GetRate() const;


private:

   double mRate;

};


#endif


ClientData.h
Utility ClientData::Site to register hooks into a host class that attach client data.

Observer.h

project
const auto project
Definition: TestWaveTrackMaker.cpp:18

AudacityProject
The top-level handle to an Audacity project. It serves as a source of events that other objects can b...
Definition: Project.h:90

Observer::Publisher
An object that sends messages to an open-ended list of subscribed callbacks.
Definition: Observer.h:108

ProjectRate
Holds project sample rate.
Definition: ProjectRate.h:24

ProjectRate::operator=
ProjectRate & operator=(const ProjectRate &)=delete

ProjectRate::ProjectRate
ProjectRate(const ProjectRate &)=delete

ProjectRate::mRate
double mRate
Definition: ProjectRate.h:37

BasicUI::Get
Services * Get()
Fetch the global instance, or nullptr if none is yet installed.
Definition: BasicUI.cpp:202

anonymous_namespace{TimeTrack.cpp}::GetRate
double GetRate(const Track &track)
Definition: TimeTrack.cpp:182

ClientData::Base
A convenient default parameter for class template Site.
Definition: ClientData.h:29