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/**********************************************************************
Audacity: A Digital Audio Editor
ExportProgressUI.cpp
Vitaly Sverchinsky
**********************************************************************/
#include "ExportProgressUI.h"
#include "Export.h"
#include "ExportPlugin.h"
#include "Internat.h"
#include "BasicUI.h"
#include "FileException.h"
namespace
{
class DialogExportProgressDelegate : public ExportProcessorDelegate
{
std::atomic<bool> mCancelled {false};
std::atomic<bool> mStopped {false};
std::atomic<double> mProgress {};
TranslatableString mStatus;
std::unique_ptr<BasicUI::ProgressDialog> mProgressDialog;
public:
bool IsCancelled() const override
{
return mCancelled;
}
bool IsStopped() const override
{
return mStopped;
}
void SetStatusString(const TranslatableString& str) override
{
mStatus = str;
}
void OnProgress(double progress) override
{
mProgress = progress;
}
void UpdateUI()
{
constexpr long long ProgressSteps = 1000ul;
if(!mProgressDialog)
mProgressDialog = BasicUI::MakeProgress(XO("Export"), mStatus);
else
mProgressDialog->SetMessage(mStatus);
const auto result = mProgressDialog->Poll(mProgress * ProgressSteps, ProgressSteps);
if(result == BasicUI::ProgressResult::Cancelled)
{
if(!mStopped)
mCancelled = true;
}
else if(result == BasicUI::ProgressResult::Stopped)
{
if(!mCancelled)
mStopped = true;
}
}
};
}
ExportResult ExportProgressUI::Show(ExportTask exportTask)
{
assert(exportTask.valid());
auto f = exportTask.get_future();
DialogExportProgressDelegate delegate;
std::thread(std::move(exportTask), std::ref(delegate)).detach();
auto result = ExportResult::Error;
while(f.wait_for(std::chrono::milliseconds(50)) != std::future_status::ready)
delegate.UpdateUI();
ExceptionWrappedCall([&] { result = f.get(); });
if(result == ExportResult::Error)
{
BasicUI::ShowErrorDialog(
{}, XO("Export error"),
XO("Export completed with error."), {},
BasicUI::ErrorDialogOptions { BasicUI::ErrorDialogType::ModalError });
}
return result;
}
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