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Code Issues Releases Wiki Activity

WIP: Refractor C++-side. Loader should be working again

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This commit is contained in:
Chris Josten 2021-03-25 17:32:00 +01:00
parent 2360b261f7
commit 9643482ae1
840 changed files with 100813 additions and 23560 deletions
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31
core/include/JellyfinQt/viewmodel/loader.h
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@ -61,10 +61,13 @@ public:
Q_PROPERTY(Status status READ status NOTIFY statusChanged STORED false)
Q_PROPERTY(QString errorString READ errorString NOTIFY errorStringChanged STORED false)
Q_PROPERTY(bool autoReload MEMBER m_autoReload NOTIFY autoReloadChanged)
Q_PROPERTY(QObject *data READ data NOTIFY dataChanged STORED false)
Status status() const { return m_status; }
QString errorString() const { return m_errorString; }
virtual QObject *data() const { return nullptr; }
void setApiClient(ApiClient *newApiClient);
void setExtraFields(const QStringList &extraFields);
signals:
@ -72,7 +75,7 @@ signals:
void apiClientChanged(ApiClient *newApiClient);
void errorStringChanged(QString newErrorString);
void autoReloadChanged(bool newAutoReload);
void viewModelChanged();
void dataChanged();
/**
* @brief Convenience signal for status == RemoteData.Ready.
@ -139,19 +142,19 @@ template <class T, class R, class P>
class Loader : public LoaderBase {
using RFutureWatcher = QFutureWatcher<std::optional<R>>;
public:
Loader(QObject *parent = nullptr)
: LoaderBase(parent),
m_futureWatcher(new RFutureWatcher) {
m_dataViewModel = new T(this);
connect(m_futureWatcher, &RFutureWatcher::finished, this, &Loader<T, R, P>::updateData());
}
Loader(ApiClient *apiClient, QObject *parent = nullptr)
Loader(Support::Loader<R, P> loaderImpl, QObject *parent = nullptr)
: Loader(nullptr, loaderImpl, parent) {}
Loader(ApiClient *apiClient, Support::Loader<R, P> loaderImpl, QObject *parent = nullptr)
: LoaderBase(apiClient, parent),
m_loader(loaderImpl),
m_futureWatcher(new QFutureWatcher<std::optional<R>>) {
m_dataViewModel = new T(this);
connect(m_futureWatcher, &RFutureWatcher::finished, this, &Loader<T, R, P>::updateData);
}
T *dataViewModel() const { return m_dataViewModel; }
QObject *data() const { return m_dataViewModel; }
void reload() override {
setStatus(Loading);
@ -186,14 +189,16 @@ private:
* @brief Updates the data when finished.
*/
void updateData() {
std::optional<R> newData = m_futureWatcher->result();
if (newData.has_value()) {
if (newData.sameAs(*m_dataViewModel->data())) {
std::optional<R> newDataOpt = m_futureWatcher->result();
if (newDataOpt.has_value()) {
R newData = newDataOpt.value();
if (m_dataViewModel->data()->sameAs(newData)) {
// Replace the data the model holds
m_dataViewModel->data()->replaceData(*newData);
m_dataViewModel->data()->replaceData(newData);
} else {
// Replace the model
m_dataViewModel->setData(QSharedPointer<T>::create(*newData, m_apiClient));
using PointerType = typename decltype(m_dataViewModel->data())::Type;
m_dataViewModel = new T(QSharedPointer<PointerType>::create(newData), this);
}
setStatus(Ready);
emitDataChanged();