MythUIThemeCache Class Reference

#include <libmythui/mythuithemecache.h>

Inheritance diagram for MythUIThemeCache:

Collaboration diagram for MythUIThemeCache:

Public Member Functions
	MythUIThemeCache ()
	~MythUIThemeCache ()
void	UpdateImageCache ()
void	SetScreenSize (QSize Size)
void	ClearThemeCacheDir ()
QString	GetThemeCacheDir ()
MythImage *	LoadCacheImage (QString File, const QString &Label, MythPainter *Painter, ImageCacheMode cacheMode=kCacheNormal)
MythImage *	CacheImage (const QString &URL, MythImage *Image, bool NoDisk=false)
void	RemoveFromCacheByFile (const QString &File)
bool	IsImageInCache (const QString &URL)
void	IncludeInCacheSize (MythImage *Image)
void	ExcludeFromCacheSize (MythImage *Image)
MThreadPool *	GetImageThreadPool ()

Private Member Functions
QString	GetCacheDirByUrl (const QString &URL)
	Look at the url being read and decide whether the cached version should go into the theme cache or the thumbnail cache. More...
void	RemoveFromCacheByURL (const QString &URL)
MythImage *	GetImageFromCache (const QString &URL)
void	ClearOldImageCache ()
void	RemoveCacheDir (const QString &Dir)

Static Private Member Functions
static void	PruneCacheDir (const QString &Dir)
	Remove all files in the cache that haven't been accessed in a user configurable number of days. More...

Private Attributes
QMap< QString, MythImage * >	m_imageCache
QMap< QString, SystemTime >	m_cacheTrack
QRecursiveMutex	m_cacheLock
QAtomicInteger< qint64 >	m_cacheSize { 0 }
QAtomicInteger< qint64 >	m_maxCacheSize { 30LL * 1024 * 1024 }
QString	m_themecachedir
QSize	m_cacheScreenSize
MThreadPool *	m_imageThreadPool { nullptr }

Detailed Description

Definition at line 22 of file mythuithemecache.h.

Constructor & Destructor Documentation

MythUIThemeCache()

MythUIThemeCache::MythUIThemeCache

(

)

Definition at line 25 of file mythuithemecache.cpp.

~MythUIThemeCache()

MythUIThemeCache::~MythUIThemeCache

(

)

Definition at line 33 of file mythuithemecache.cpp.

Member Function Documentation

UpdateImageCache()

void MythUIThemeCache::UpdateImageCache

(

)

Definition at line 61 of file mythuithemecache.cpp.

Referenced by MythMainWindow::Init().

SetScreenSize()

void MythUIThemeCache::SetScreenSize

(

QSize

Size

)

Definition at line 51 of file mythuithemecache.cpp.

Referenced by MythUIScreenBounds::UpdateScreenSettings().

ClearThemeCacheDir()

void MythUIThemeCache::ClearThemeCacheDir

(

)

Definition at line 56 of file mythuithemecache.cpp.

Referenced by MythMainWindow::LoadQtConfig().

GetThemeCacheDir()

QString MythUIThemeCache::GetThemeCacheDir

(

)

Definition at line 225 of file mythuithemecache.cpp.

Referenced by ClearOldImageCache(), GetCacheDirByUrl(), and RemoveFromCacheByFile().

LoadCacheImage()

MythImage * MythUIThemeCache::LoadCacheImage	(	QString	File,
		const QString &	Label,
		MythPainter *	Painter,
		ImageCacheMode	cacheMode = kCacheNormal
	)

Definition at line 257 of file mythuithemecache.cpp.

Referenced by MythUIImage::Load(), and ImageLoader::LoadImage().

CacheImage()

MythImage * MythUIThemeCache::CacheImage	(	const QString &	URL,
		MythImage *	Image,
		bool	NoDisk = false
	)

Definition at line 413 of file mythuithemecache.cpp.

Referenced by LoadCacheImage(), and ImageLoader::LoadImage().

RemoveFromCacheByFile()

void MythUIThemeCache::RemoveFromCacheByFile

(

const QString &

File

)

Definition at line 508 of file mythuithemecache.cpp.

Referenced by GalleryThumbView::customEvent(), EditAlbumartDialog::removeCachedImage(), GalleryThumbView::RemoveImages(), and MetadataImageDownload::run().

IsImageInCache()

bool MythUIThemeCache::IsImageInCache

(

const QString &

URL

)

Definition at line 548 of file mythuithemecache.cpp.

IncludeInCacheSize()

void MythUIThemeCache::IncludeInCacheSize

(

MythImage *

Image

)

Definition at line 558 of file mythuithemecache.cpp.

Referenced by MythImage::DecrRef().

ExcludeFromCacheSize()

void MythUIThemeCache::ExcludeFromCacheSize

(

MythImage *

Image

)

Definition at line 564 of file mythuithemecache.cpp.

Referenced by MythImage::IncrRef().

GetImageThreadPool()

MThreadPool * MythUIThemeCache::GetImageThreadPool

(

)

Definition at line 570 of file mythuithemecache.cpp.

Referenced by MythUIImage::Load(), and MythUIImage::~MythUIImage().

GetCacheDirByUrl()

QString MythUIThemeCache::GetCacheDirByUrl ( const QString &  URL )

private

Look at the url being read and decide whether the cached version should go into the theme cache or the thumbnail cache.

Parameters

url	The resource being read.

Returns

The path name of the appropriate cache directory.

Definition at line 250 of file mythuithemecache.cpp.

Referenced by CacheImage(), LoadCacheImage(), and RemoveFromCacheByURL().

RemoveFromCacheByURL()

void MythUIThemeCache::RemoveFromCacheByURL ( const QString &  URL )

private

Definition at line 490 of file mythuithemecache.cpp.

Referenced by LoadCacheImage(), and RemoveFromCacheByFile().

GetImageFromCache()

MythImage * MythUIThemeCache::GetImageFromCache ( const QString &  URL )

private

Definition at line 390 of file mythuithemecache.cpp.

Referenced by LoadCacheImage().

ClearOldImageCache()

void MythUIThemeCache::ClearOldImageCache ( )

private

Definition at line 83 of file mythuithemecache.cpp.

Referenced by UpdateImageCache().

RemoveCacheDir()

void MythUIThemeCache::RemoveCacheDir ( const QString &  Dir )

private

Definition at line 124 of file mythuithemecache.cpp.

Referenced by ClearOldImageCache().

PruneCacheDir()

void MythUIThemeCache::PruneCacheDir ( const QString &  dirname )

staticprivate

Remove all files in the cache that haven't been accessed in a user configurable number of days.

The default number of days is seven.

Parameters

dirname

The directory to prune.

Definition at line 161 of file mythuithemecache.cpp.

Referenced by UpdateImageCache(), and ~MythUIThemeCache().

Member Data Documentation

m_imageCache

QMap<QString, MythImage *> MythUIThemeCache::m_imageCache

private

Definition at line 49 of file mythuithemecache.h.

Referenced by CacheImage(), GetImageFromCache(), IsImageInCache(), LoadCacheImage(), RemoveFromCacheByFile(), RemoveFromCacheByURL(), UpdateImageCache(), and ~MythUIThemeCache().

m_cacheTrack

QMap<QString, SystemTime> MythUIThemeCache::m_cacheTrack

private

Definition at line 50 of file mythuithemecache.h.

Referenced by CacheImage(), GetImageFromCache(), LoadCacheImage(), RemoveFromCacheByURL(), UpdateImageCache(), and ~MythUIThemeCache().

m_cacheLock

QRecursiveMutex MythUIThemeCache::m_cacheLock

private

Definition at line 51 of file mythuithemecache.h.

Referenced by CacheImage(), GetImageFromCache(), IsImageInCache(), LoadCacheImage(), RemoveFromCacheByFile(), RemoveFromCacheByURL(), and UpdateImageCache().

m_cacheSize

QAtomicInteger<qint64> MythUIThemeCache::m_cacheSize { 0 }

private

Definition at line 52 of file mythuithemecache.h.

Referenced by CacheImage(), ExcludeFromCacheSize(), IncludeInCacheSize(), and UpdateImageCache().

m_maxCacheSize

QAtomicInteger<qint64> MythUIThemeCache::m_maxCacheSize { 30LL * 1024 * 1024 }

private

Definition at line 53 of file mythuithemecache.h.

Referenced by CacheImage(), and MythUIThemeCache().

m_themecachedir

QString MythUIThemeCache::m_themecachedir

private

Definition at line 54 of file mythuithemecache.h.

Referenced by ClearOldImageCache(), and ClearThemeCacheDir().

m_cacheScreenSize

QSize MythUIThemeCache::m_cacheScreenSize

private

Definition at line 55 of file mythuithemecache.h.

Referenced by GetThemeCacheDir(), and SetScreenSize().

m_imageThreadPool

MThreadPool* MythUIThemeCache::m_imageThreadPool { nullptr }

private

Definition at line 56 of file mythuithemecache.h.

Referenced by GetImageThreadPool(), and ~MythUIThemeCache().

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

• mythtv/libs/libmythui/mythuithemecache.h
• mythtv/libs/libmythui/mythuithemecache.cpp