Download *DownloadManagerImpl::getDownloadByContactId(int contactId)
{
QMutexLocker locker(&m_mutexLocker);
for (int i = 0; i < m_downloadQueue.count(); i++) {
Download *download = m_downloadQueue.at(i);
if (download == 0)
continue;
Contact *contact = download->getContact();
if (contact == 0)
continue;
if (contact->getId() == contactId)
return download;
}
foreach(Download *download, m_downloadingList) {
if (download == 0)
continue;
Contact *contact = download->getContact();
if (contact == 0)
continue;
if (contact->getId() == contactId)
return download;
}
return 0;
}
bool DownloadManagerImpl::removeDownloadByContactId(int contactId)
{
QMutexLocker locker(&m_mutexLocker);
for (int i = 0; i < m_downloadQueue.count(); i++) {
Download *download = m_downloadQueue.at(i);
if (download == 0)
continue;
Contact *contact = download->getContact();
if (contact == 0)
continue;
if (contact->getId() == contactId) {
m_downloadQueue.removeAt(i);
// Free memory
download->stop();
download->deleteLater();
return true;
}
}
for (int i = 0; i < m_downloadingList.count(); i++) {
Download *download = m_downloadingList.at(i);
if (download == 0)
continue;
Contact *contact = download->getContact();
if (contact == 0)
continue;
if (contact->getId() == contactId) {
m_downloadingList.removeAt(i);
// Free memory
download->stop();
download->deleteLater();
return true;
}
}
return false;
}
bool DownloadManagerImpl::isDownloadExistingInQueue(int contactId)
{
for (int i = 0; i < m_downloadQueue.count(); i++) {
Download *download = m_downloadQueue.at(i);
if (download == 0)
continue;
Contact *contact = download->getContact();
if (contact == 0)
continue;
if (contact->getId() == contactId)
return true;
}
return false;
}
void DownloadManagerImpl::checkDownloadQueue()
{
m_mutexLocker.lock();
int queueCount = m_downloadQueue.count();
int downloadingCount = m_downloadingList.count();
m_mutexLocker.unlock();
while (downloadingCount < MAX_CONCURRENT_DOWNLOAD_THREADS) {
if (queueCount == 0)
return;
m_mutexLocker.lock();
Download *download = m_downloadQueue.dequeue();
// Add the download to the downloading list
m_downloadingList.append(download);
// Recalculate params
queueCount = m_downloadQueue.count();
downloadingCount = m_downloadingList.count();
m_mutexLocker.unlock();
DownloadManager::DownloadStatus downloadStatus = DownloadManager::Downloading;
// Update status
download->setDownloadStatus(downloadStatus);
m_downloadDAO->updateDownload(download);
// Connect signals
connectDownloadSignals(download);
// Start the download
download->start();
// Emit download status change signal
emit downloadStatusChanged(download->getContact()->getId(), download->getId(), (int)downloadStatus);
}
}
