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https://github.com/subsurface/subsurface.git
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7be962bfc2
Having subsurface-core as a directory name really messes with autocomplete and is obviously redundant. Simmilarly, qt-mobile caused an autocomplete conflict and also was inconsistent with the desktop-widget name for the directory containing the "other" UI. And while cleaning up the resulting change in the path name for include files, I decided to clean up those even more to make them consistent overall. This could have been handled in more commits, but since this requires a make clean before the build, it seemed more sensible to do it all in one. Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
113 lines
3.1 KiB
C++
113 lines
3.1 KiB
C++
#include "dive.h"
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#include "metrics.h"
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#include "divelist.h"
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#include "qthelper.h"
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#include "imagedownloader.h"
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#include <unistd.h>
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#include <QtConcurrent>
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QUrl cloudImageURL(const char *hash)
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{
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return QUrl::fromUserInput(QString("https://cloud.subsurface-divelog.org/images/").append(hash));
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}
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ImageDownloader::ImageDownloader(struct picture *pic)
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{
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picture = pic;
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}
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ImageDownloader::~ImageDownloader()
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{
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picture_free(picture);
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}
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void ImageDownloader::load(bool fromHash){
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QUrl url;
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loadFromHash = fromHash;
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if(fromHash)
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url = cloudImageURL(picture->hash);
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else
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url = QUrl::fromUserInput(QString(picture->filename));
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if (url.isValid()) {
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QEventLoop loop;
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QNetworkRequest request(url);
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connect(&manager, SIGNAL(finished(QNetworkReply *)), this, SLOT(saveImage(QNetworkReply *)));
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QNetworkReply *reply = manager.get(request);
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while (reply->isRunning()) {
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loop.processEvents();
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sleep(1);
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}
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}
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}
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void ImageDownloader::saveImage(QNetworkReply *reply)
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{
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QByteArray imageData = reply->readAll();
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QImage image = QImage();
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image.loadFromData(imageData);
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if (image.isNull()) {
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if (loadFromHash)
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load(false);
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return;
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}
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QCryptographicHash hash(QCryptographicHash::Sha1);
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hash.addData(imageData);
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QString path = QStandardPaths::standardLocations(QStandardPaths::CacheLocation).first();
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QDir dir(path);
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if (!dir.exists())
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dir.mkpath(path);
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QFile imageFile(path.append("/").append(hash.result().toHex()));
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if (imageFile.open(QIODevice::WriteOnly)) {
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QDataStream stream(&imageFile);
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stream.writeRawData(imageData.data(), imageData.length());
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imageFile.waitForBytesWritten(-1);
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imageFile.close();
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add_hash(imageFile.fileName(), hash.result());
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learnHash(picture, hash.result());
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}
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reply->manager()->deleteLater();
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reply->deleteLater();
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// This should be called to make the picture actually show.
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// Problem is DivePictureModel is not in core.
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// Nevertheless, the image shows when the dive is selected the next time.
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// DivePictureModel::instance()->updateDivePictures();
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}
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void loadPicture(struct picture *picture, bool fromHash)
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{
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ImageDownloader download(picture);
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download.load(fromHash);
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}
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SHashedImage::SHashedImage(struct picture *picture) : QImage()
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{
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QUrl url = QUrl::fromUserInput(localFilePath(QString(picture->filename)));
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if(url.isLocalFile())
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load(url.toLocalFile());
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if (isNull()) {
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// This did not load anything. Let's try to get the image from other sources
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// Let's try to load it locally via its hash
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QString filename = fileFromHash(picture->hash);
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if (filename.isNull()) {
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// That didn't produce a local filename.
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// Try the cloud server
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QtConcurrent::run(loadPicture, clone_picture(picture), true);
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} else {
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// Load locally from translated file name
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load(filename);
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if (!isNull()) {
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// Make sure the hash still matches the image file
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QtConcurrent::run(updateHash, clone_picture(picture));
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} else {
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// Interpret filename as URL
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QtConcurrent::run(loadPicture, clone_picture(picture), false);
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}
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}
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} else {
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// We loaded successfully. Now, make sure hash is up to date.
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QtConcurrent::run(hashPicture, clone_picture(picture));
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}
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}
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