iiiypuk/cantata
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Download covers not in cache

Browse Source
This commit is contained in:
craig
2012-03-06 19:02:37 +00:00
committed by craig
parent ce1d4ede56
commit 0522c4dee9
2 changed files with 39 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
gui/covers.cpp
View File

@@ -284,25 +284,53 @@ Covers::Covers()
{
}
static inline QString cacheKey(const QString &artist, const QString &album, int size)
{
return artist+QLatin1String(" - ")+album+QChar(':')+QString::number(size);
}
static QSet<int> cacheSizes;
QPixmap * Covers::get(const Song &song, int size, bool isSingleTracks, bool isLocal)
{
if (song.isUnknown()) {
return 0;
}
QString key=song.albumArtist()+QLatin1String(" - ")+song.album+QChar(':')+QString::number(size);
QString key=cacheKey(song.albumArtist(), song.album, size);
QPixmap *pix(cache.object(key));
if (!pix) {
Covers::Image img=getImage(song, isSingleTracks, isLocal);
cacheSizes.insert(size);
if (!img.img.isNull()) {
pix=new QPixmap(QPixmap::fromImage(img.img.scaled(size, size, Qt::KeepAspectRatio, Qt::SmoothTransformation)));
cache.insert(key, pix, pix->width()*pix->height()*(pix->depth()/8));
} else {
// Attempt to download cover...
download(song, isLocal);
// Create a dummy pixmap so that we dont keep on stating files that do not exist!
pix=new QPixmap(1, 1);
cache.insert(key, pix, 4);
}
}
return pix;
return pix && pix->width()>1 ? pix : 0;
}
// If we have downloaded a cover, we can remove the dumym entry - so that the next time get() is called,
// it can read the saved file!
void Covers::clearDummyCache(const QString &artist, const QString &album)
{
foreach (int s, cacheSizes) {
QString key=cacheKey(artist, album, s);
QPixmap *pix(cache.object(key));
if (pix && pix->width()<2) {
cache.remove(key);
}
}
}
Covers::Image Covers::getImage(const Song &song, bool isSingleTracks, bool isLocal)
@@ -366,6 +394,11 @@ void Covers::get(const Song &song, bool isSingleTracks, bool isLocal)
emit cover(song.albumArtist(), song.album, img.img, img.fileName);
return;
}
download(song, isLocal);
}
void Covers::download(const Song &song, bool isLocal)
{
if (jobs.end()!=findJob(song)) {
return;
}
@@ -491,6 +524,7 @@ QString Covers::saveImg(const Job &job, const QImage &img, const QByteArray &raw
if (!job.dir.isEmpty()) {
savedName=save(mimeType, extension, job.dir+constFileName, img, raw);
if (!savedName.isEmpty()) {
clearDummyCache(job.artist, job.album);
return savedName;
}
}
@@ -500,6 +534,7 @@ QString Covers::saveImg(const Job &job, const QImage &img, const QByteArray &raw
if (!dir.isEmpty()) {
savedName=save(mimeType, extension, dir+encodeName(job.album), img, raw);
if (!savedName.isEmpty()) {
clearDummyCache(job.artist, job.album);
return savedName;
}
}