CMusicLibraryQueue Class Reference

Queue for music library jobs. More...

#include <MusicLibraryQueue.h>

Inheritance diagram for CMusicLibraryQueue:

Public Member Functions
	~CMusicLibraryQueue () override
void	ExportLibrary (const CLibExportSettings &settings, bool showDialog=false)
	Enqueue a music library export job.
void	ImportLibrary (const std::string &xmlFile, bool showDialog=false)
	Enqueue a music library import job.
void	ScanLibrary (const std::string &strDirectory, int flags=0, bool showProgress=true)
	Enqueue a music library update job, scanning tags embedded in music files and optionally scraping additional data.
void	StartAlbumScan (const std::string &strDirectory, bool refresh=false)
	Enqueue an album scraping job fetching additional album data.
void	StartArtistScan (const std::string &strDirectory, bool refresh=false)
	Enqueue an artist scraping job fetching additional artist data.
bool	IsScanningLibrary () const
	Check if a library scan or cleaning is in progress.
void	StopLibraryScanning ()
	Stop and dequeue all scanning jobs.
void	CleanLibrary (bool showDialog=false)
	Enqueue an asynchronous library cleaning job.
void	AddJob (CMusicLibraryJob *job)
	Adds the given job to the queue.
void	CancelJob (CMusicLibraryJob *job)
	Cancels the given job and removes it from the queue.
void	CancelAllJobs ()
	Cancels all running and queued jobs.
bool	IsRunning () const
	Whether any jobs are running or not.

Static Public Member Functions
static CMusicLibraryQueue &	GetInstance ()
	Gets the singleton instance of the music library queue.

Protected Member Functions
void	OnJobComplete (unsigned int jobID, bool success, CJob *job) override
	The callback used when a job completes.
void	Refresh ()
	Notifies all to refresh the current listings.
Protected Member Functions inherited from CJobQueue
bool	QueueEmpty () const
	Returns if we still have jobs waiting to be processed NOTE: This function does not take into account the jobs that are currently processing.
	CJobQueue (bool lifo=false, unsigned int jobsAtOnce=1, CJob::PRIORITY priority=CJob::PRIORITY_LOW)
	CJobQueue constructor.
	~CJobQueue () override
	CJobQueue destructor Cancels any in-process jobs, and destroys the job queue.
bool	AddJob (CJob *job)
	Add a job to the queue On completion of the job, destruction of the job queue or in case the job could not be added successfully, the CJob object will be destroyed.
template<typename F >
void	Submit (F &&f)
	Add a function f to this job queue.
void	CancelJob (const CJob *job)
	Cancel a job in the queue Cancels a job in the queue. Any job currently being processed may complete after this call has completed, but OnJobComplete will not be performed. If the job is only queued then it will be removed from the queue and deleted.
void	CancelJobs ()
	Cancel all jobs in the queue Removes all jobs from the queue. Any job currently being processed may complete after this call has completed, but OnJobComplete will not be performed.
bool	IsProcessing () const
	Check whether the queue is processing a job.
void	OnJobAbort (unsigned int jobID, CJob *job) override
	The callback used when a job will be aborted.
Protected Member Functions inherited from IJobCallback
virtual	~IJobCallback ()=default
	Destructor for job call back objects.
virtual void	OnJobProgress (unsigned int jobID, unsigned int progress, unsigned int total, const CJob *job)
	An optional callback function that a job may call while processing.

Detailed Description

Queue for music library jobs.

The queue can only process a single job at any time and every job will be executed at the lowest priority.

Constructor & Destructor Documentation

~CMusicLibraryQueue()

CMusicLibraryQueue::~CMusicLibraryQueue ( )

override

Member Function Documentation

AddJob()

void CMusicLibraryQueue::AddJob

(

CMusicLibraryJob *

job

)

Adds the given job to the queue.

Parameters

[in]

job

Music library job to be queued.

CancelAllJobs()

void CMusicLibraryQueue::CancelAllJobs

(

)

Cancels all running and queued jobs.

CancelJob()

void CMusicLibraryQueue::CancelJob

(

CMusicLibraryJob *

job

)

Cancels the given job and removes it from the queue.

Parameters

[in]

job

Music library job to be canceled and removed from the queue.

CleanLibrary()

void CMusicLibraryQueue::CleanLibrary

(

bool

showDialog = false

)

Enqueue an asynchronous library cleaning job.

Parameters

[in]

showDialog

Show a model progress dialog while cleaning. Default is false.

ExportLibrary()

void CMusicLibraryQueue::ExportLibrary	(	const CLibExportSettings &	settings,
		bool	showDialog = false )

Enqueue a music library export job.

Parameters

[in]	settings	Library export settings
[in]	showDialog	Show a progress dialog while (asynchronously) exporting, otherwise export in synchronous

GetInstance()

CMusicLibraryQueue & CMusicLibraryQueue::GetInstance ( )

static

Gets the singleton instance of the music library queue.

ImportLibrary()

void CMusicLibraryQueue::ImportLibrary	(	const std::string &	xmlFile,
		bool	showDialog = false )

Enqueue a music library import job.

Parameters

[in]	xmlFile	xml file to import
[in]	showDialog	Show a progress dialog while (asynchronously) exporting, otherwise export in synchronous

IsRunning()

bool CMusicLibraryQueue::IsRunning

(

)

const

Whether any jobs are running or not.

IsScanningLibrary()

bool CMusicLibraryQueue::IsScanningLibrary

(

)

const

Check if a library scan or cleaning is in progress.

Returns

True if a scan or clean is in progress, false otherwise

OnJobComplete()

void CMusicLibraryQueue::OnJobComplete ( unsigned int jobID, bool success, CJob * job )

overrideprotectedvirtual

The callback used when a job completes.

CJobQueue implementation will cleanup the internal processing queue and then queue the next job at the job manager, if any.

Parameters

jobID	the unique id of the job (as retrieved from CJobManager::AddJob)
success	the result from the DoWork call
job	the job that has been processed.

See also

CJobManager, IJobCallback and CJob

Reimplemented from CJobQueue.

Refresh()

void CMusicLibraryQueue::Refresh ( )

protected

Notifies all to refresh the current listings.

ScanLibrary()

void CMusicLibraryQueue::ScanLibrary	(	const std::string &	strDirectory,
		int	flags = 0,
		bool	showProgress = true )

Enqueue a music library update job, scanning tags embedded in music files and optionally scraping additional data.

Parameters

[in]	strDirectory	Directory to scan or "" (empty string) for a global scan.
[in]	flags	Flags for controlling the scanning process. See xbmc/music/infoscanner/MusicInfoScanner.h for possible values.
[in]	showProgress	Whether or not to show a progress dialog. Defaults to true

StartAlbumScan()

void CMusicLibraryQueue::StartAlbumScan	(	const std::string &	strDirectory,
		bool	refresh = false )

Enqueue an album scraping job fetching additional album data.

Parameters

[in]	strDirectory	Virtual path that identifies which albums to process or "" (empty string) for all albums
[in]	refresh	Whether or not to refresh data for albums that have previously been scraped

StartArtistScan()

void CMusicLibraryQueue::StartArtistScan	(	const std::string &	strDirectory,
		bool	refresh = false )

Enqueue an artist scraping job fetching additional artist data.

Parameters

[in]	strDirectory	Virtual path that identifies which artists to process or "" (empty string) for all artists
[in]	refresh	Whether or not to refresh data for artists that have previously been scraped

StopLibraryScanning()

void CMusicLibraryQueue::StopLibraryScanning

(

)

Stop and dequeue all scanning jobs.

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The documentation for this class was generated from the following files:

• MusicLibraryQueue.h
• MusicLibraryQueue.cpp