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-rw-r--r--src/DownloadManager.cpp154
1 files changed, 0 insertions, 154 deletions
diff --git a/src/DownloadManager.cpp b/src/DownloadManager.cpp
deleted file mode 100644
index 5c2b123..0000000
--- a/src/DownloadManager.cpp
+++ /dev/null
@@ -1,154 +0,0 @@
-#include "DownloadManager.h"
-//#include <QDir>
-#include <QFileInfo>
-
-int DownloadManager::downloaded = 0;
-// ----------------------------------------------------------------------------------------
-DownloadManager::DownloadManager()
-{
- qnam = new QNetworkAccessManager();
- dip = false;
- // the whole QDir thing is questionable..
- downloadDir = QDir(downloadPath);
- // Check if downloadPath exists, if not create it.
- if (!downloadDir.exists()){
- if (debug) qDebug() << "Download directory: " << downloadDir.path() << "doesn't exist.";
- QDir::current().mkdir(downloadPath);
- if (downloadDir.exists() && debug)
- qDebug() << "Created download directory: " << downloadDir.path();
- }
- else if (debug) qDebug() << "Download directory: " << downloadDir.path() << "exists.";
-}
-// ----------------------------------------------------------------------------------------
-void DownloadManager::downloadFile(QString& filename){
- if (debug) qDebug() << "DM received signal for: " << filename;
- QUrl fileUrl;
- fileUrl = baseURL.resolved(QUrl(filename));
- this->processDownloadRequest(fileUrl);
-}
-// ----------------------------------------------------------------------------------------
-void DownloadManager::downloadFile(QUrl& fileUrl){
- if (debug) qDebug() << "Received downloadFile signal for:" << fileUrl;
- this->processDownloadRequest(fileUrl);
-}
-// ----------------------------------------------------------------------------------------
-void DownloadManager::processDownloadRequest(QUrl& url)
-{
- // Test on empty URL in case such a call happens, which should not
- // happen given how javascriptInterface::startDownload(..) is implemented.
- if (url.isEmpty()){
- if (debug) qDebug() << "No URL specified for download.";
- return;
- }
- // If download in progress, enqueue file and return.
- if (dip)
- {
- if (debug) qDebug() << "Download in progress! Enqueueing:" << url.toString()
- << "(" << dlQ.size() << "in queue)";
- dlQ.enqueue(url);
- return;
- }
- // No running downloads: enqueue and start next download.
- dlQ.enqueue(url);
- if (debug) qDebug() << "Enqueueing:" << url.toString() << endl;
- startNextDownload();
-}
-// ----------------------------------------------------------------------------------------
-void DownloadManager::startNextDownload()
-{
- if (dlQ.isEmpty())
- {
- emit downloadQueueEmpty();
- if (debug) qDebug() << "Download manager ready. (1)";
- return;
- }
- if (debug) qDebug() << "Starting next download: " << dlQ.head().toString()
- << "(" << dlQ.size() << "in queue.)";
- // Dequeue next URL to download.
- QUrl url = dlQ.dequeue();
-
- // Get filename from URL.
- QString tmp = url.path();
- tmp.remove(0, tmp.lastIndexOf(QChar('/')) + 1);
- if (debug) qDebug() << "Extracted " << tmp << "from " << url.toString();
- // TODO: check for if relative path, if so prepend binPath
- outfile.setFileName(downloadPath + "/" + tmp);
- if (debug) qDebug() << "Trying to save to: " << downloadPath + "/" + tmp;
- if (outfile.exists()){
- if (debug) qDebug() << "File already exists. Skipping: " << url.toString();
- startNextDownload();
- return;
- }
- // If error upon opening, skip this file.
- if (!outfile.open(QIODevice::WriteOnly))
- {
- if (debug) qDebug() << "Couldn't open file! Skipping: " << url.toString();
- startNextDownload();
- return;
- }
- // Start the request for this URL.
- if (debug) qDebug() << "Saving " << url.toString() << "to " << outfile.fileName();
- QNetworkRequest request(url);
- currentDownload = qnam->get(request);
- // TODO: Error handling not working properly...
- if (currentDownload->error() != QNetworkReply::NoError)
- {
- if (debug) qDebug() << "Network reply error, skipping download...";
- return;
- }
- dip = true;
- currentProgress = 0;
- QObject::connect(currentDownload, SIGNAL(readyRead()), this, SLOT(downloadReady()));
- QObject::connect(currentDownload, SIGNAL(downloadProgress(qint64, qint64)),
- this, SLOT(downloadProgress(qint64, qint64)));
- QObject::connect(currentDownload, SIGNAL(finished()), this, SLOT(downloadFinished()));
-}
-// ----------------------------------------------------------------------------------------
-// Private slots
-// ----------------------------------------------------------------------------------------
-// This slot listens to readyRead() emmited when data is available for reading.
-void DownloadManager::downloadReady()
-{
- // readyRead() fired, so save the readable data.
- outfile.write(currentDownload->readAll());
-}
-// ----------------------------------------------------------------------------------------
-// This triggers sends the update progress back to the site.
-void DownloadManager::downloadProgress(qint64 bytesIn, qint64 bytesTotal)
-{
-
- if (debug) qDebug() << "Download progress of " << currentDownload->url().toString()
- << ": " << bytesIn << "/" << bytesTotal;
-
- int tmp = ((bytesIn * 100) / bytesTotal);
- if (tmp > currentProgress){
- currentProgress = tmp;
- emit updateProgress(currentDownload->url().toString(), tmp);
- }
- // Progress difference < 1%
- return;
-}
-// ----------------------------------------------------------------------------------------
-// This slot listens to the finished() which is emmited
-// when all the data from the reply has been read.
-void DownloadManager::downloadFinished()
-{
- // Second check if the download actually is finished just to be sure.
- if (currentDownload->isFinished())
- if (debug) qDebug() << "Download of " << currentDownload->url().toString()
- << "finished." << endl;
- // Close output file.
- outfile.close();
- currentDownload->deleteLater();
- downloaded++;
- dip = false;
- // If queue is empty, we are done.
- if (dlQ.isEmpty()){
- emit downloadQueueEmpty();
- if (debug) qDebug() << "Download manager ready. (2)";
- return;
- }
- // Queue not empty: initialise next download.
- startNextDownload();
-}
-