/**
* App::onImageLoaded(QString url, bool success, QString response)
*
* Handle the result of a loading image request.
*
* Basing on the result, we will update UI accordingly.
*
* --url, the url of the previous url
* --success, the flag to indicate if the request was successful.
* --response, this will carry some error information if the operation was not successful.
*
*/
void App::onImageLoaded(QString url, bool success, QString response)
{
//get the LoadImage object
LoadImage* img = qobject_cast<LoadImage*>(sender());
if (!img)
{
return;
}
connect(this, SIGNAL(finishUpdateImage()), img, SIGNAL(finishThread()));
qDebug() << "Download complete: " << url;
//find the url to photo index mapping
QMap<QString, int>::iterator it = m_imageMap.find(url);
if (it != m_imageMap.end())
{
//stop indicator
ActivityIndicator* activityId = m_root->findChild<ActivityIndicator*>(QString("image%1Indicator").arg(it.value()));
if (activityId)
{
activityId->stop();
activityId->setVisible(false);
}
if (success)
{
//show the image
ImageView* imageView = m_root->findChild<ImageView*>(QString("image%1").arg(it.value()));
if (imageView)
{
QImage qm = img->getImage().rgbSwapped().scaled(768, 500, Qt::KeepAspectRatioByExpanding); //resize image to fit container
bb::cascades::PixelBufferData pb = bb::cascades::PixelBufferData(PixelBufferData::RGBX, qm.width(), qm.height(), qm.width(), qm.bits());
bb::cascades::Image image(pb);
imageView->setImage(image);
imageView->setVisible(true);
}
}
else
{
//show the label with the error from the retrieval
Label* imageLabel = m_root->findChild<Label*>(QString("image%1Label").arg(it.value()));
if (imageLabel)
{
imageLabel->setText(response);
imageLabel->setVisible(true);
}
}
m_imageMap.erase(it);
}
emit finishUpdateImage();
// no need to explicitly delete img, it has been destroyed when receiving the "finishThread" signal
}
