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lastfm: use sink argument and fix possible usage of m_service after delete

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This commit is contained in:
Andrzej Rybczak
2015-05-23 19:33:20 +02:00
parent 746527f1ea
commit 52ff94d9c8
2 changed files with 9 additions and 11 deletions
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2
src/actions.cpp
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@@ -2231,7 +2231,7 @@ void ShowArtistInfo::run()
if (!artist.empty()) if (!artist.empty())
{ {
myLastfm->queueJob(LastFm::ArtistInfo(artist, Config.lastfm_preferred_language)); myLastfm->queueJob(new LastFm::ArtistInfo(artist, Config.lastfm_preferred_language));
myLastfm->switchTo(); myLastfm->switchTo();
} }
# endif // HAVE_CURL_CURL_H # endif // HAVE_CURL_CURL_H

18
src/lastfm.h
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@@ -51,24 +51,22 @@ struct Lastfm: Screen<NC::Scrollpad>, Tabbable
virtual bool isMergable() OVERRIDE { return true; } virtual bool isMergable() OVERRIDE { return true; }
template <typename ServiceT> template <typename ServiceT>
void queueJob(ServiceT &&service) void queueJob(ServiceT *service)
{ {
typedef typename std::remove_reference<ServiceT>::type ServiceNoRef; auto old_service = dynamic_cast<ServiceT *>(m_service.get());
auto old_service = dynamic_cast<ServiceNoRef *>(m_service.get());
// if the same service and arguments were used, leave old info // if the same service and arguments were used, leave old info
if (old_service != nullptr && *old_service == service) if (old_service != nullptr && *old_service == *service)
return; return;
m_service = std::make_shared<ServiceNoRef>(std::forward<ServiceT>(service)); m_service = std::shared_ptr<ServiceT>(service);
m_worker = boost::async(boost::launch::async, std::bind(&LastFm::Service::fetch, m_service.get())); m_worker = boost::async(boost::launch::async, std::bind(&LastFm::Service::fetch, m_service));
w.clear(); w.clear();
w << "Fetching information..."; w << "Fetching information...";
w.flush(); w.flush();
m_title = ToWString(m_service->name()); m_title = ToWString(m_service->name());
} }
private: private:
void getResult(); void getResult();