void ThumbnailGenerator::run()
{
LOG("");
while (!testCancel()) {
QString pixPath;
int pixelSize;
{
QMutexLocker lock(&mMutex);
// empty mPixPath means nothing to do
LOG("Waiting for mPixPath");
if (mPixPath.isNull()) {
LOG("mPixPath.isNull");
mCond.wait(&mMutex);
}
}
if (testCancel()) {
return;
}
{
QMutexLocker lock(&mMutex);
pixPath = mPixPath;
pixelSize = ThumbnailGroup::pixelSize(mThumbnailGroup);
}
Q_ASSERT(!pixPath.isNull());
LOG("Loading" << pixPath);
ThumbnailContext context;
bool ok = context.load(pixPath, pixelSize);
{
QMutexLocker lock(&mMutex);
if (ok) {
mImage = context.mImage;
mOriginalWidth = context.mOriginalWidth;
mOriginalHeight = context.mOriginalHeight;
if (context.mNeedCaching) {
cacheThumbnail();
}
} else {
kWarning() << "Could not generate thumbnail for file" << mOriginalUri;
}
mPixPath.clear(); // done, ready for next
}
if (testCancel()) {
return;
}
{
QSize size(mOriginalWidth, mOriginalHeight);
LOG("emitting done signal, size=" << size);
QMutexLocker lock(&mMutex);
done(mImage, size);
LOG("Done");
}
}
LOG("Ending thread");
}
void ThumbnailThread::run()
{
LOG("");
while (!testCancel()) {
{
QMutexLocker lock(&mMutex);
// empty mPixPath means nothing to do
LOG("Waiting for mPixPath");
if (mPixPath.isNull()) {
LOG("mPixPath.isNull");
mCond.wait(&mMutex);
}
}
if (testCancel()) {
return;
}
{
QMutexLocker lock(&mMutex);
Q_ASSERT(!mPixPath.isNull());
LOG("Loading" << mPixPath);
bool needCaching;
bool ok = loadThumbnail(&needCaching);
if (ok && needCaching) {
cacheThumbnail();
}
mPixPath.clear(); // done, ready for next
}
if (testCancel()) {
return;
}
{
QSize size(mOriginalWidth, mOriginalHeight);
LOG("emitting done signal, size=" << size);
QMutexLocker lock(&mMutex);
done(mImage, size);
LOG("Done");
}
}
LOG("Ending thread");
}