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Implement decryption of images

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It is a bit of a hack, but it works...
This commit is contained in:
Nicolas Werner 2019-12-03 23:34:16 +01:00
parent a689118d71
commit 5bfdaff778
6 changed files with 57 additions and 9 deletions
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30
src/MxcImageProvider.h
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@ -6,14 +6,21 @@
#include <QImage>
#include <QThreadPool>
#include <mtx/common.hpp>
#include <boost/optional.hpp>
class MxcImageResponse
: public QQuickImageResponse
, public QRunnable
{
public:
MxcImageResponse(const QString &id, const QSize &requestedSize)
MxcImageResponse(const QString &id,
const QSize &requestedSize,
boost::optional<mtx::crypto::EncryptedFile> encryptionInfo)
: m_id(id)
, m_requestedSize(requestedSize)
, m_encryptionInfo(encryptionInfo)
{
setAutoDelete(false);
}
@ -29,19 +36,34 @@ public:
QString m_id, m_error;
QSize m_requestedSize;
QImage m_image;
boost::optional<mtx::crypto::EncryptedFile> m_encryptionInfo;
};
class MxcImageProvider : public QQuickAsyncImageProvider
class MxcImageProvider
: public QObject
, public QQuickAsyncImageProvider
{
public:
Q_OBJECT
public slots:
QQuickImageResponse *requestImageResponse(const QString &id,
const QSize &requestedSize) override
{
MxcImageResponse *response = new MxcImageResponse(id, requestedSize);
boost::optional<mtx::crypto::EncryptedFile> info;
auto temp = infos.find("mxc://" + id);
if (temp != infos.end())
info = *temp;
MxcImageResponse *response = new MxcImageResponse(id, requestedSize, info);
pool.start(response);
return response;
}
void addEncryptionInfo(mtx::crypto::EncryptedFile info)
{
infos.insert(QString::fromStdString(info.url), info);
}
private:
QThreadPool pool;
QHash<QString, mtx::crypto::EncryptedFile> infos;
};