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This commit is contained in:
Carl Schwan
2020-11-02 16:11:24 +01:00
parent 9a2b7c0c83
commit bea870ad75
35 changed files with 5053 additions and 6370 deletions
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189
src/matriximageprovider.cpp
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@@ -14,113 +14,108 @@
using Quotient::BaseJob;
ThumbnailResponse::ThumbnailResponse(Quotient::Connection* c,
QString id,
const QSize& size)
: c(c),
mediaId(std::move(id)),
requestedSize(size),
localFile(QStringLiteral("%1/image_provider/%2-%3x%4.png")
.arg(QStandardPaths::writableLocation(
QStandardPaths::CacheLocation),
mediaId,
QString::number(requestedSize.width()),
QString::number(requestedSize.height()))),
errorStr("Image request hasn't started") {
if (requestedSize.isEmpty()) {
errorStr.clear();
emit finished();
return;
}
if (mediaId.count('/') != 1) {
errorStr =
tr("Media id '%1' doesn't follow server/mediaId pattern").arg(mediaId);
emit finished();
return;
}
QImage cachedImage;
if (cachedImage.load(localFile)) {
image = cachedImage;
errorStr.clear();
emit finished();
return;
}
if (!c) {
qWarning() << "Current connection is null";
return;
}
// Execute a request on the main thread asynchronously
moveToThread(c->thread());
QMetaObject::invokeMethod(this, &ThumbnailResponse::startRequest,
Qt::QueuedConnection);
}
void ThumbnailResponse::startRequest() {
// Runs in the main thread, not QML thread
Q_ASSERT(QThread::currentThread() == c->thread());
job = c->getThumbnail(mediaId, requestedSize);
// Connect to any possible outcome including abandonment
// to make sure the QML thread is not left stuck forever.
connect(job, &BaseJob::finished, this, &ThumbnailResponse::prepareResult);
}
void ThumbnailResponse::prepareResult() {
Q_ASSERT(QThread::currentThread() == job->thread());
Q_ASSERT(job->error() != BaseJob::Pending);
{
QWriteLocker _(&lock);
if (job->error() == BaseJob::Success) {
image = job->thumbnail();
QString localPath = QFileInfo(localFile).absolutePath();
QDir dir;
if (!dir.exists(localPath))
dir.mkpath(localPath);
image.save(localFile);
errorStr.clear();
} else if (job->error() == BaseJob::Abandoned) {
errorStr = tr("Image request has been cancelled");
qDebug() << "ThumbnailResponse: cancelled for" << mediaId;
} else {
errorStr = job->errorString();
qWarning() << "ThumbnailResponse: no valid image for" << mediaId << "-"
<< errorStr;
ThumbnailResponse::ThumbnailResponse(Quotient::Connection *c, QString id, const QSize &size)
: c(c)
, mediaId(std::move(id))
, requestedSize(size)
, localFile(QStringLiteral("%1/image_provider/%2-%3x%4.png").arg(QStandardPaths::writableLocation(QStandardPaths::CacheLocation), mediaId, QString::number(requestedSize.width()), QString::number(requestedSize.height())))
, errorStr("Image request hasn't started")
{
if (requestedSize.isEmpty()) {
errorStr.clear();
emit finished();
return;
}
job = nullptr;
}
emit finished();
if (mediaId.count('/') != 1) {
errorStr = tr("Media id '%1' doesn't follow server/mediaId pattern").arg(mediaId);
emit finished();
return;
}
QImage cachedImage;
if (cachedImage.load(localFile)) {
image = cachedImage;
errorStr.clear();
emit finished();
return;
}
if (!c) {
qWarning() << "Current connection is null";
return;
}
// Execute a request on the main thread asynchronously
moveToThread(c->thread());
QMetaObject::invokeMethod(this, &ThumbnailResponse::startRequest, Qt::QueuedConnection);
}
void ThumbnailResponse::doCancel() {
// Runs in the main thread, not QML thread
if (job) {
void ThumbnailResponse::startRequest()
{
// Runs in the main thread, not QML thread
Q_ASSERT(QThread::currentThread() == c->thread());
job = c->getThumbnail(mediaId, requestedSize);
// Connect to any possible outcome including abandonment
// to make sure the QML thread is not left stuck forever.
connect(job, &BaseJob::finished, this, &ThumbnailResponse::prepareResult);
}
void ThumbnailResponse::prepareResult()
{
Q_ASSERT(QThread::currentThread() == job->thread());
job->abandon();
}
Q_ASSERT(job->error() != BaseJob::Pending);
{
QWriteLocker _(&lock);
if (job->error() == BaseJob::Success) {
image = job->thumbnail();
QString localPath = QFileInfo(localFile).absolutePath();
QDir dir;
if (!dir.exists(localPath))
dir.mkpath(localPath);
image.save(localFile);
errorStr.clear();
} else if (job->error() == BaseJob::Abandoned) {
errorStr = tr("Image request has been cancelled");
qDebug() << "ThumbnailResponse: cancelled for" << mediaId;
} else {
errorStr = job->errorString();
qWarning() << "ThumbnailResponse: no valid image for" << mediaId << "-" << errorStr;
}
job = nullptr;
}
emit finished();
}
QQuickTextureFactory* ThumbnailResponse::textureFactory() const {
QReadLocker _(&lock);
return QQuickTextureFactory::textureFactoryForImage(image);
void ThumbnailResponse::doCancel()
{
// Runs in the main thread, not QML thread
if (job) {
Q_ASSERT(QThread::currentThread() == job->thread());
job->abandon();
}
}
QString ThumbnailResponse::errorString() const {
QReadLocker _(&lock);
return errorStr;
QQuickTextureFactory *ThumbnailResponse::textureFactory() const
{
QReadLocker _(&lock);
return QQuickTextureFactory::textureFactoryForImage(image);
}
void ThumbnailResponse::cancel() {
QMetaObject::invokeMethod(this, &ThumbnailResponse::doCancel,
Qt::QueuedConnection);
QString ThumbnailResponse::errorString() const
{
QReadLocker _(&lock);
return errorStr;
}
QQuickImageResponse* MatrixImageProvider::requestImageResponse(
const QString& id,
const QSize& requestedSize) {
return new ThumbnailResponse(m_connection.loadRelaxed(), id, requestedSize);
void ThumbnailResponse::cancel()
{
QMetaObject::invokeMethod(this, &ThumbnailResponse::doCancel, Qt::QueuedConnection);
}
QQuickImageResponse *MatrixImageProvider::requestImageResponse(const QString &id, const QSize &requestedSize)
{
return new ThumbnailResponse(m_connection.loadRelaxed(), id, requestedSize);
}